id int64 0 190k | prompt stringlengths 21 13.4M | docstring stringlengths 1 12k ⌀ |
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11,279 | import collections
import datetime
import enum
import itertools
import math
import os
import re
import unicodedata
from dataclasses import dataclass
from typing import Callable, Dict, Generator, List, Optional, Text, Tuple, Union
import numpy as np
from ...tokenization_utils import PreTrainedTokenizer, _is_control, _is_punctuation, _is_whitespace
from ...tokenization_utils_base import (
ENCODE_KWARGS_DOCSTRING,
BatchEncoding,
EncodedInput,
PreTokenizedInput,
TextInput,
)
from ...utils import ExplicitEnum, PaddingStrategy, TensorType, add_end_docstrings, is_pandas_available, logging
class Relation(enum.Enum):
HEADER_TO_CELL = 1 # Connects header to cell.
CELL_TO_HEADER = 2 # Connects cell to header.
QUERY_TO_HEADER = 3 # Connects query to headers.
QUERY_TO_CELL = 4 # Connects query to cells.
ROW_TO_CELL = 5 # Connects row to cells.
CELL_TO_ROW = 6 # Connects cells to row.
EQ = 7 # Annotation value is same as cell value
LT = 8 # Annotation value is less than cell value
GT = 9 # Annotation value is greater than cell value
The provided code snippet includes necessary dependencies for implementing the `get_numeric_relation` function. Write a Python function `def get_numeric_relation(value, other_value, sort_key_fn)` to solve the following problem:
Compares two values and returns their relation or None.
Here is the function:
def get_numeric_relation(value, other_value, sort_key_fn):
"""Compares two values and returns their relation or None."""
value = sort_key_fn(value)
other_value = sort_key_fn(other_value)
if value == other_value:
return Relation.EQ
if value < other_value:
return Relation.LT
if value > other_value:
return Relation.GT
return None | Compares two values and returns their relation or None. |
11,280 | import collections
import datetime
import enum
import itertools
import math
import os
import re
import unicodedata
from dataclasses import dataclass
from typing import Callable, Dict, Generator, List, Optional, Text, Tuple, Union
import numpy as np
from ...tokenization_utils import PreTrainedTokenizer, _is_control, _is_punctuation, _is_whitespace
from ...tokenization_utils_base import (
ENCODE_KWARGS_DOCSTRING,
BatchEncoding,
EncodedInput,
PreTokenizedInput,
TextInput,
)
from ...utils import ExplicitEnum, PaddingStrategy, TensorType, add_end_docstrings, is_pandas_available, logging
class Question:
original_text: Text # The original raw question string.
text: Text # The question string after normalization.
numeric_spans: Optional[List[NumericValueSpan]] = None
def normalize_for_match(text):
return " ".join(text.lower().split())
def parse_text(text):
"""
Extracts longest number and date spans.
Args:
text: text to annotate
Returns:
List of longest numeric value spans.
"""
span_dict = collections.defaultdict(list)
for match in _NUMBER_PATTERN.finditer(text):
span_text = text[match.start() : match.end()]
number = _parse_number(span_text)
if number is not None:
span_dict[match.span()].append(_get_numeric_value_from_float(number))
for begin_index, end_index in get_all_spans(text, max_ngram_length=1):
if (begin_index, end_index) in span_dict:
continue
span_text = text[begin_index:end_index]
number = _parse_number(span_text)
if number is not None:
span_dict[begin_index, end_index].append(_get_numeric_value_from_float(number))
for number, word in enumerate(_NUMBER_WORDS):
if span_text == word:
span_dict[begin_index, end_index].append(_get_numeric_value_from_float(float(number)))
break
for number, word in enumerate(_ORDINAL_WORDS):
if span_text == word:
span_dict[begin_index, end_index].append(_get_numeric_value_from_float(float(number)))
break
for begin_index, end_index in get_all_spans(text, max_ngram_length=_MAX_DATE_NGRAM_SIZE):
span_text = text[begin_index:end_index]
date = _parse_date(span_text)
if date is not None:
span_dict[begin_index, end_index].append(date)
spans = sorted(span_dict.items(), key=lambda span_value: _get_span_length_key(span_value[0]), reverse=True)
selected_spans = []
for span, value in spans:
for selected_span, _ in selected_spans:
if selected_span[0] <= span[0] and span[1] <= selected_span[1]:
break
else:
selected_spans.append((span, value))
selected_spans.sort(key=lambda span_value: span_value[0][0])
numeric_value_spans = []
for span, values in selected_spans:
numeric_value_spans.append(NumericValueSpan(begin_index=span[0], end_index=span[1], values=values))
return numeric_value_spans
The provided code snippet includes necessary dependencies for implementing the `add_numeric_values_to_question` function. Write a Python function `def add_numeric_values_to_question(question)` to solve the following problem:
Adds numeric value spans to a question.
Here is the function:
def add_numeric_values_to_question(question):
"""Adds numeric value spans to a question."""
original_text = question
question = normalize_for_match(question)
numeric_spans = parse_text(question)
return Question(original_text=original_text, text=question, numeric_spans=numeric_spans) | Adds numeric value spans to a question. |
11,281 | import collections
import datetime
import enum
import itertools
import math
import os
import re
import unicodedata
from dataclasses import dataclass
from typing import Callable, Dict, Generator, List, Optional, Text, Tuple, Union
import numpy as np
from ...tokenization_utils import PreTrainedTokenizer, _is_control, _is_punctuation, _is_whitespace
from ...tokenization_utils_base import (
ENCODE_KWARGS_DOCSTRING,
BatchEncoding,
EncodedInput,
PreTokenizedInput,
TextInput,
)
from ...utils import ExplicitEnum, PaddingStrategy, TensorType, add_end_docstrings, is_pandas_available, logging
class Cell:
text: Text
numeric_value: Optional[NumericValue] = None
def _consolidate_numeric_values(row_index_to_values, min_consolidation_fraction, debug_info):
"""
Finds the most common numeric values in a column and returns them
Args:
row_index_to_values:
For each row index all the values in that cell.
min_consolidation_fraction:
Fraction of cells that need to have consolidated value.
debug_info:
Additional information only used for logging
Returns:
For each row index the first value that matches the most common value. Rows that don't have a matching value
are dropped. Empty list if values can't be consolidated.
"""
type_counts = collections.Counter()
for numeric_values in row_index_to_values.values():
type_counts.update(_get_all_types(numeric_values))
if not type_counts:
return {}
max_count = max(type_counts.values())
if max_count < len(row_index_to_values) * min_consolidation_fraction:
# logging.log_every_n(logging.INFO, f'Can\'t consolidate types: {debug_info} {row_index_to_values} {max_count}', 100)
return {}
valid_types = set()
for value_type, count in type_counts.items():
if count == max_count:
valid_types.add(value_type)
if len(valid_types) > 1:
assert DATE_TYPE in valid_types
max_type = DATE_TYPE
else:
max_type = next(iter(valid_types))
new_row_index_to_value = {}
for index, values in row_index_to_values.items():
# Extract the first matching value.
for value in values:
if _get_value_type(value) == max_type:
new_row_index_to_value[index] = value
break
return new_row_index_to_value
def _get_column_values(table, col_index):
"""
Parses text in column and returns a dict mapping row_index to values. This is the _get_column_values function from
number_annotation_utils.py of the original implementation
Args:
table: Pandas dataframe
col_index: integer, indicating the index of the column to get the numeric values of
"""
index_to_values = {}
for row_index, row in table.iterrows():
text = normalize_for_match(row[col_index].text)
index_to_values[row_index] = list(_get_numeric_values(text))
return index_to_values
def filter_invalid_unicode_from_table(table):
"""
Removes invalid unicode from table. Checks whether a table cell text contains an invalid unicode encoding. If yes,
reset the table cell text to an empty str and log a warning for each invalid cell
Args:
table: table to clean.
"""
# to do: add table id support
if not hasattr(table, "table_id"):
table.table_id = 0
for row_index, row in table.iterrows():
for col_index, cell in enumerate(row):
cell, is_invalid = filter_invalid_unicode(cell)
if is_invalid:
logging.warning(
f"Scrub an invalid table body @ table_id: {table.table_id}, row_index: {row_index}, "
f"col_index: {col_index}",
)
for col_index, column in enumerate(table.columns):
column, is_invalid = filter_invalid_unicode(column)
if is_invalid:
logging.warning(f"Scrub an invalid table header @ table_id: {table.table_id}, col_index: {col_index}")
The provided code snippet includes necessary dependencies for implementing the `add_numeric_table_values` function. Write a Python function `def add_numeric_table_values(table, min_consolidation_fraction=0.7, debug_info=None)` to solve the following problem:
Parses text in table column-wise and adds the consolidated values. Consolidation refers to finding values with a common types (date or number) Args: table: Table to annotate. min_consolidation_fraction: Fraction of cells in a column that need to have consolidated value. debug_info: Additional information used for logging.
Here is the function:
def add_numeric_table_values(table, min_consolidation_fraction=0.7, debug_info=None):
"""
Parses text in table column-wise and adds the consolidated values. Consolidation refers to finding values with a
common types (date or number)
Args:
table:
Table to annotate.
min_consolidation_fraction:
Fraction of cells in a column that need to have consolidated value.
debug_info:
Additional information used for logging.
"""
table = table.copy()
# First, filter table on invalid unicode
filter_invalid_unicode_from_table(table)
# Second, replace cell values by Cell objects
for row_index, row in table.iterrows():
for col_index, cell in enumerate(row):
table.iloc[row_index, col_index] = Cell(text=cell)
# Third, add numeric_value attributes to these Cell objects
for col_index, column in enumerate(table.columns):
column_values = _consolidate_numeric_values(
_get_column_values(table, col_index),
min_consolidation_fraction=min_consolidation_fraction,
debug_info=(debug_info, column),
)
for row_index, numeric_value in column_values.items():
table.iloc[row_index, col_index].numeric_value = numeric_value
return table | Parses text in table column-wise and adds the consolidated values. Consolidation refers to finding values with a common types (date or number) Args: table: Table to annotate. min_consolidation_fraction: Fraction of cells in a column that need to have consolidated value. debug_info: Additional information used for logging. |
11,282 | import enum
import math
import os
from dataclasses import dataclass
from typing import Optional, Tuple
import torch
import torch.utils.checkpoint
from torch import nn
from torch.nn import BCEWithLogitsLoss, CrossEntropyLoss, MSELoss
from ...activations import ACT2FN
from ...modeling_outputs import BaseModelOutput, BaseModelOutputWithPooling, MaskedLMOutput, SequenceClassifierOutput
from ...modeling_utils import PreTrainedModel
from ...pytorch_utils import apply_chunking_to_forward, find_pruneable_heads_and_indices, prune_linear_layer
from ...utils import (
ModelOutput,
add_start_docstrings,
add_start_docstrings_to_model_forward,
is_scatter_available,
logging,
replace_return_docstrings,
requires_backends,
)
from .configuration_tapas import TapasConfig
logger = logging.get_logger(__name__)
class TapasModel(TapasPreTrainedModel):
"""
This class is a small change compared to [`BertModel`], taking into account the additional token type ids.
The model can behave as an encoder (with only self-attention) as well as a decoder, in which case a layer of
cross-attention is added between the self-attention layers, following the architecture described in [Attention is
all you need](https://arxiv.org/abs/1706.03762) by Ashish Vaswani, Noam Shazeer, Niki Parmar, Jakob Uszkoreit,
Llion Jones, Aidan N. Gomez, Lukasz Kaiser and Illia Polosukhin.
"""
def __init__(self, config, add_pooling_layer=True):
requires_backends(self, "scatter")
super().__init__(config)
self.config = config
self.embeddings = TapasEmbeddings(config)
self.encoder = TapasEncoder(config)
self.pooler = TapasPooler(config) if add_pooling_layer else None
# Initialize weights and apply final processing
self.post_init()
def get_input_embeddings(self):
return self.embeddings.word_embeddings
def set_input_embeddings(self, value):
self.embeddings.word_embeddings = value
def _prune_heads(self, heads_to_prune):
"""
Prunes heads of the model. heads_to_prune: dict of {layer_num: list of heads to prune in this layer} See base
class PreTrainedModel
"""
for layer, heads in heads_to_prune.items():
self.encoder.layer[layer].attention.prune_heads(heads)
def forward(
self,
input_ids=None,
attention_mask=None,
token_type_ids=None,
position_ids=None,
head_mask=None,
inputs_embeds=None,
encoder_hidden_states=None,
encoder_attention_mask=None,
output_attentions=None,
output_hidden_states=None,
return_dict=None,
):
r"""
Returns:
Examples:
```python
>>> from transformers import TapasTokenizer, TapasModel
>>> import pandas as pd
>>> tokenizer = TapasTokenizer.from_pretrained("google/tapas-base")
>>> model = TapasModel.from_pretrained("google/tapas-base")
>>> data = {
... "Actors": ["Brad Pitt", "Leonardo Di Caprio", "George Clooney"],
... "Age": ["56", "45", "59"],
... "Number of movies": ["87", "53", "69"],
... }
>>> table = pd.DataFrame.from_dict(data)
>>> queries = ["How many movies has George Clooney played in?", "How old is Brad Pitt?"]
>>> inputs = tokenizer(table=table, queries=queries, padding="max_length", return_tensors="pt")
>>> outputs = model(**inputs)
>>> last_hidden_states = outputs.last_hidden_state
```"""
output_attentions = output_attentions if output_attentions is not None else self.config.output_attentions
output_hidden_states = (
output_hidden_states if output_hidden_states is not None else self.config.output_hidden_states
)
return_dict = return_dict if return_dict is not None else self.config.use_return_dict
if input_ids is not None and inputs_embeds is not None:
raise ValueError("You cannot specify both input_ids and inputs_embeds at the same time")
elif input_ids is not None:
input_shape = input_ids.size()
elif inputs_embeds is not None:
input_shape = inputs_embeds.size()[:-1]
else:
raise ValueError("You have to specify either input_ids or inputs_embeds")
device = input_ids.device if input_ids is not None else inputs_embeds.device
if attention_mask is None:
attention_mask = torch.ones(input_shape, device=device)
if token_type_ids is None:
token_type_ids = torch.zeros(
(*input_shape, len(self.config.type_vocab_sizes)), dtype=torch.long, device=device
)
# We can provide a self-attention mask of dimensions [batch_size, from_seq_length, to_seq_length]
# ourselves in which case we just need to make it broadcastable to all heads.
extended_attention_mask: torch.Tensor = self.get_extended_attention_mask(attention_mask, input_shape)
# If a 2D ou 3D attention mask is provided for the cross-attention
# we need to make broadcastabe to [batch_size, num_heads, seq_length, seq_length]
if self.config.is_decoder and encoder_hidden_states is not None:
encoder_batch_size, encoder_sequence_length, _ = encoder_hidden_states.size()
encoder_hidden_shape = (encoder_batch_size, encoder_sequence_length)
if encoder_attention_mask is None:
encoder_attention_mask = torch.ones(encoder_hidden_shape, device=device)
encoder_extended_attention_mask = self.invert_attention_mask(encoder_attention_mask)
else:
encoder_extended_attention_mask = None
# Prepare head mask if needed
# 1.0 in head_mask indicate we keep the head
# attention_probs has shape bsz x n_heads x N x N
# input head_mask has shape [num_heads] or [num_hidden_layers x num_heads]
# and head_mask is converted to shape [num_hidden_layers x batch x num_heads x seq_length x seq_length]
head_mask = self.get_head_mask(head_mask, self.config.num_hidden_layers)
embedding_output = self.embeddings(
input_ids=input_ids, position_ids=position_ids, token_type_ids=token_type_ids, inputs_embeds=inputs_embeds
)
encoder_outputs = self.encoder(
embedding_output,
attention_mask=extended_attention_mask,
head_mask=head_mask,
encoder_hidden_states=encoder_hidden_states,
encoder_attention_mask=encoder_extended_attention_mask,
output_attentions=output_attentions,
output_hidden_states=output_hidden_states,
return_dict=return_dict,
)
sequence_output = encoder_outputs[0]
pooled_output = self.pooler(sequence_output) if self.pooler is not None else None
if not return_dict:
return (sequence_output, pooled_output) + encoder_outputs[1:]
return BaseModelOutputWithPooling(
last_hidden_state=sequence_output,
pooler_output=pooled_output,
hidden_states=encoder_outputs.hidden_states,
attentions=encoder_outputs.attentions,
)
class TapasForMaskedLM(TapasPreTrainedModel):
config_class = TapasConfig
base_model_prefix = "tapas"
def __init__(self, config):
super().__init__(config)
self.tapas = TapasModel(config, add_pooling_layer=False)
self.cls = TapasOnlyMLMHead(config)
# Initialize weights and apply final processing
self.post_init()
def get_output_embeddings(self):
return self.cls.predictions.decoder
def set_output_embeddings(self, new_embeddings):
self.cls.predictions.decoder = new_embeddings
def forward(
self,
input_ids=None,
attention_mask=None,
token_type_ids=None,
position_ids=None,
head_mask=None,
inputs_embeds=None,
encoder_hidden_states=None,
encoder_attention_mask=None,
labels=None,
output_attentions=None,
output_hidden_states=None,
return_dict=None,
**kwargs
):
r"""
labels (`torch.LongTensor` of shape `(batch_size, sequence_length)`, *optional*):
Labels for computing the masked language modeling loss. Indices should be in `[-100, 0, ...,
config.vocab_size]` (see `input_ids` docstring) Tokens with indices set to `-100` are ignored (masked), the
loss is only computed for the tokens with labels in `[0, ..., config.vocab_size]`
Returns:
Examples:
```python
>>> from transformers import TapasTokenizer, TapasForMaskedLM
>>> import pandas as pd
>>> tokenizer = TapasTokenizer.from_pretrained("google/tapas-base")
>>> model = TapasForMaskedLM.from_pretrained("google/tapas-base")
>>> data = {
... "Actors": ["Brad Pitt", "Leonardo Di Caprio", "George Clooney"],
... "Age": ["56", "45", "59"],
... "Number of movies": ["87", "53", "69"],
... }
>>> table = pd.DataFrame.from_dict(data)
>>> inputs = tokenizer(
... table=table, queries="How many [MASK] has George [MASK] played in?", return_tensors="pt"
... )
>>> labels = tokenizer(
... table=table, queries="How many movies has George Clooney played in?", return_tensors="pt"
... )["input_ids"]
>>> outputs = model(**inputs, labels=labels)
>>> logits = outputs.logits
```"""
return_dict = return_dict if return_dict is not None else self.config.use_return_dict
outputs = self.tapas(
input_ids,
attention_mask=attention_mask,
token_type_ids=token_type_ids,
position_ids=position_ids,
head_mask=head_mask,
inputs_embeds=inputs_embeds,
encoder_hidden_states=encoder_hidden_states,
encoder_attention_mask=encoder_attention_mask,
output_attentions=output_attentions,
output_hidden_states=output_hidden_states,
return_dict=return_dict,
)
sequence_output = outputs[0]
prediction_scores = self.cls(sequence_output)
masked_lm_loss = None
if labels is not None:
loss_fct = CrossEntropyLoss() # -100 index = padding token
masked_lm_loss = loss_fct(prediction_scores.view(-1, self.config.vocab_size), labels.view(-1))
if not return_dict:
output = (prediction_scores,) + outputs[2:]
return ((masked_lm_loss,) + output) if masked_lm_loss is not None else output
return MaskedLMOutput(
loss=masked_lm_loss,
logits=prediction_scores,
hidden_states=outputs.hidden_states,
attentions=outputs.attentions,
)
"""
Tapas Model with a cell selection head and optional aggregation head on top for question-answering tasks on tables
(linear layers on top of the hidden-states output to compute `logits` and optional `logits_aggregation`), e.g. for
SQA, WTQ or WikiSQL-supervised tasks.
""",
TAPAS_START_DOCSTRING,
class TapasForSequenceClassification(TapasPreTrainedModel):
def __init__(self, config):
super().__init__(config)
self.num_labels = config.num_labels
self.tapas = TapasModel(config)
self.dropout = nn.Dropout(config.hidden_dropout_prob)
self.classifier = nn.Linear(config.hidden_size, config.num_labels)
# Initialize weights and apply final processing
self.post_init()
def forward(
self,
input_ids=None,
attention_mask=None,
token_type_ids=None,
position_ids=None,
head_mask=None,
inputs_embeds=None,
labels=None,
output_attentions=None,
output_hidden_states=None,
return_dict=None,
):
r"""
labels (`torch.LongTensor` of shape `(batch_size,)`, *optional*):
Labels for computing the sequence classification/regression loss. Indices should be in `[0, ...,
config.num_labels - 1]`. If `config.num_labels == 1` a regression loss is computed (Mean-Square loss), If
`config.num_labels > 1` a classification loss is computed (Cross-Entropy). Note: this is called
"classification_class_index" in the original implementation.
Returns:
Examples:
```python
>>> from transformers import TapasTokenizer, TapasForSequenceClassification
>>> import torch
>>> import pandas as pd
>>> tokenizer = TapasTokenizer.from_pretrained("google/tapas-base-finetuned-tabfact")
>>> model = TapasForSequenceClassification.from_pretrained("google/tapas-base-finetuned-tabfact")
>>> data = {
... "Actors": ["Brad Pitt", "Leonardo Di Caprio", "George Clooney"],
... "Age": ["56", "45", "59"],
... "Number of movies": ["87", "53", "69"],
... }
>>> table = pd.DataFrame.from_dict(data)
>>> queries = [
... "There is only one actor who is 45 years old",
... "There are 3 actors which played in more than 60 movies",
... ]
>>> inputs = tokenizer(table=table, queries=queries, padding="max_length", return_tensors="pt")
>>> labels = torch.tensor([1, 0]) # 1 means entailed, 0 means refuted
>>> outputs = model(**inputs, labels=labels)
>>> loss = outputs.loss
>>> logits = outputs.logits
```"""
return_dict = return_dict if return_dict is not None else self.config.use_return_dict
outputs = self.tapas(
input_ids,
attention_mask=attention_mask,
token_type_ids=token_type_ids,
position_ids=position_ids,
head_mask=head_mask,
inputs_embeds=inputs_embeds,
output_attentions=output_attentions,
output_hidden_states=output_hidden_states,
return_dict=return_dict,
)
pooled_output = outputs[1]
pooled_output = self.dropout(pooled_output)
logits = self.classifier(pooled_output)
loss = None
if labels is not None:
if self.config.problem_type is None:
if self.num_labels == 1:
self.config.problem_type = "regression"
elif self.num_labels > 1 and (labels.dtype == torch.long or labels.dtype == torch.int):
self.config.problem_type = "single_label_classification"
else:
self.config.problem_type = "multi_label_classification"
if self.config.problem_type == "regression":
loss_fct = MSELoss()
if self.num_labels == 1:
loss = loss_fct(logits.squeeze(), labels.squeeze())
else:
loss = loss_fct(logits, labels)
elif self.config.problem_type == "single_label_classification":
loss_fct = CrossEntropyLoss()
loss = loss_fct(logits.view(-1, self.num_labels), labels.view(-1))
elif self.config.problem_type == "multi_label_classification":
loss_fct = BCEWithLogitsLoss()
loss = loss_fct(logits, labels)
if not return_dict:
output = (logits,) + outputs[2:]
return ((loss,) + output) if loss is not None else output
return SequenceClassifierOutput(
loss=loss,
logits=logits,
hidden_states=outputs.hidden_states,
attentions=outputs.attentions,
)
The provided code snippet includes necessary dependencies for implementing the `load_tf_weights_in_tapas` function. Write a Python function `def load_tf_weights_in_tapas(model, config, tf_checkpoint_path)` to solve the following problem:
Load tf checkpoints in a PyTorch model. This is an adaptation from load_tf_weights_in_bert - add cell selection and aggregation heads - take into account additional token type embedding layers
Here is the function:
def load_tf_weights_in_tapas(model, config, tf_checkpoint_path):
"""
Load tf checkpoints in a PyTorch model. This is an adaptation from load_tf_weights_in_bert
- add cell selection and aggregation heads
- take into account additional token type embedding layers
"""
try:
import re
import numpy as np
import tensorflow as tf
except ImportError:
logger.error(
"Loading a TensorFlow model in PyTorch, requires TensorFlow to be installed. Please see "
"https://www.tensorflow.org/install/ for installation instructions."
)
raise
tf_path = os.path.abspath(tf_checkpoint_path)
logger.info(f"Converting TensorFlow checkpoint from {tf_path}")
# Load weights from TF model
init_vars = tf.train.list_variables(tf_path)
names = []
arrays = []
for name, shape in init_vars:
logger.info(f"Loading TF weight {name} with shape {shape}")
array = tf.train.load_variable(tf_path, name)
names.append(name)
arrays.append(array)
for name, array in zip(names, arrays):
name = name.split("/")
# adam_v and adam_m are variables used in AdamWeightDecayOptimizer to calculate m and v
# which are not required for using pretrained model
if any(
n
in [
"adam_v",
"adam_m",
"AdamWeightDecayOptimizer",
"AdamWeightDecayOptimizer_1",
"global_step",
"seq_relationship",
]
for n in name
):
logger.info(f"Skipping {'/'.join(name)}")
continue
# in case the model is TapasForSequenceClassification, we skip output_bias and output_weights
# since these are not used for classification
if isinstance(model, TapasForSequenceClassification):
if any(n in ["output_bias", "output_weights"] for n in name):
logger.info(f"Skipping {'/'.join(name)}")
continue
# in case the model is TapasModel, we skip output_bias, output_weights, output_bias_cls and output_weights_cls
# since this model does not have MLM and NSP heads
if isinstance(model, TapasModel):
if any(n in ["output_bias", "output_weights", "output_bias_cls", "output_weights_cls"] for n in name):
logger.info(f"Skipping {'/'.join(name)}")
continue
# in case the model is TapasForMaskedLM, we skip the pooler
if isinstance(model, TapasForMaskedLM):
if any(n in ["pooler"] for n in name):
logger.info(f"Skipping {'/'.join(name)}")
continue
# if first scope name starts with "bert", change it to "tapas"
if name[0] == "bert":
name[0] = "tapas"
pointer = model
for m_name in name:
if re.fullmatch(r"[A-Za-z]+_\d+", m_name):
scope_names = re.split(r"_(\d+)", m_name)
else:
scope_names = [m_name]
if scope_names[0] == "kernel" or scope_names[0] == "gamma":
pointer = getattr(pointer, "weight")
elif scope_names[0] == "beta":
pointer = getattr(pointer, "bias")
# cell selection heads
elif scope_names[0] == "output_bias":
if not isinstance(model, TapasForMaskedLM):
pointer = getattr(pointer, "output_bias")
else:
pointer = getattr(pointer, "bias")
elif scope_names[0] == "output_weights":
pointer = getattr(pointer, "output_weights")
elif scope_names[0] == "column_output_bias":
pointer = getattr(pointer, "column_output_bias")
elif scope_names[0] == "column_output_weights":
pointer = getattr(pointer, "column_output_weights")
# aggregation head
elif scope_names[0] == "output_bias_agg":
pointer = getattr(pointer, "aggregation_classifier")
pointer = getattr(pointer, "bias")
elif scope_names[0] == "output_weights_agg":
pointer = getattr(pointer, "aggregation_classifier")
pointer = getattr(pointer, "weight")
# classification head
elif scope_names[0] == "output_bias_cls":
pointer = getattr(pointer, "classifier")
pointer = getattr(pointer, "bias")
elif scope_names[0] == "output_weights_cls":
pointer = getattr(pointer, "classifier")
pointer = getattr(pointer, "weight")
else:
try:
pointer = getattr(pointer, scope_names[0])
except AttributeError:
logger.info(f"Skipping {'/'.join(name)}")
continue
if len(scope_names) >= 2:
num = int(scope_names[1])
pointer = pointer[num]
if m_name[-11:] == "_embeddings":
pointer = getattr(pointer, "weight")
elif m_name[-13:] in [f"_embeddings_{i}" for i in range(7)]:
pointer = getattr(pointer, "weight")
elif m_name == "kernel":
array = np.transpose(array)
try:
if pointer.shape != array.shape:
raise ValueError(f"Pointer shape {pointer.shape} and array shape {array.shape} mismatched")
except AssertionError as e:
e.args += (pointer.shape, array.shape)
raise
logger.info(f"Initialize PyTorch weight {name}")
# Added a check to see whether the array is a scalar (because bias terms in Tapas checkpoints can be
# scalar => should first be converted to numpy arrays)
if np.isscalar(array):
array = np.array(array)
pointer.data = torch.from_numpy(array)
return model | Load tf checkpoints in a PyTorch model. This is an adaptation from load_tf_weights_in_bert - add cell selection and aggregation heads - take into account additional token type embedding layers |
11,283 | import enum
import math
import os
from dataclasses import dataclass
from typing import Optional, Tuple
import torch
import torch.utils.checkpoint
from torch import nn
from torch.nn import BCEWithLogitsLoss, CrossEntropyLoss, MSELoss
from ...activations import ACT2FN
from ...modeling_outputs import BaseModelOutput, BaseModelOutputWithPooling, MaskedLMOutput, SequenceClassifierOutput
from ...modeling_utils import PreTrainedModel
from ...pytorch_utils import apply_chunking_to_forward, find_pruneable_heads_and_indices, prune_linear_layer
from ...utils import (
ModelOutput,
add_start_docstrings,
add_start_docstrings_to_model_forward,
is_scatter_available,
logging,
replace_return_docstrings,
requires_backends,
)
from .configuration_tapas import TapasConfig
def _segment_reduce(values, index, segment_reduce_fn, name):
"""
Applies a segment reduction segment-wise.
Args:
values (`torch.Tensor`):
Tensor with segment values.
index (`IndexMap`):
IndexMap.
segment_reduce_fn (`str`):
Name for the reduce operation. One of "sum", "mean", "max" or "min".
name (`str`):
Name for the operation. Currently not used
Returns:
(`IndexMap`): IndexMap of shape batch_shape with elements equal to range(num_segments).
"""
# Flatten the batch dimensions, as segments ops (scatter) do not support batching.
# However if `values` has extra dimensions to the right keep them
# unflattened. Segmented ops support vector-valued operations.
flat_index = flatten(index)
vector_shape = values.size()[len(index.indices.size()) :] # torch.Size object
flattened_shape = torch.cat(
[torch.as_tensor([-1], dtype=torch.long), torch.as_tensor(vector_shape, dtype=torch.long)], dim=0
)
# changed "view" by "reshape" in the following line
flat_values = values.reshape(flattened_shape.tolist())
segment_means = scatter(
src=flat_values,
index=flat_index.indices.long(),
dim=0,
dim_size=int(flat_index.num_segments),
reduce=segment_reduce_fn,
)
# Unflatten the values.
new_shape = torch.cat(
[
torch.as_tensor(index.batch_shape(), dtype=torch.long),
torch.as_tensor([index.num_segments], dtype=torch.long),
torch.as_tensor(vector_shape, dtype=torch.long),
],
dim=0,
)
output_values = segment_means.view(new_shape.tolist())
output_index = range_index_map(index.batch_shape(), index.num_segments)
return output_values, output_index
The provided code snippet includes necessary dependencies for implementing the `reduce_min` function. Write a Python function `def reduce_min(values, index, name="segmented_reduce_min")` to solve the following problem:
Computes the minimum over segments. This operations computes the minimum over segments, with support for: - Batching using the first dimensions [B1, B2, ..., Bn]. Each element in a batch can have different indices. - Vectorization using the last dimension [V1, V2, ...]. If they are present, the output will be an element-wise minimum of vectors rather than scalars. Only the middle dimensions [I1, ..., Ik] are reduced by the operation. Args: values (`torch.Tensor` of shape [B1, B2, ..., Bn, I1, .., Ik, V1, V2, ..]): Tensor containing the values of which the min must be taken segment-wise. index (`IndexMap`, indices are of shape [B1, B2, ..., Bn, I1, .., Ik].): Index defining the segments. name (`str`, *optional*, defaults to 'segmented_reduce_sum'): Name for the operation. Currently not used Returns: output_values (`torch.Tensor`of shape [B1, B2, ..., Bn, num_segments, V1, V2, ..]): Tensor containing the output values. output_index (`IndexMap`): IndexMap with shape [B1, B2, ..., Bn, num_segments].
Here is the function:
def reduce_min(values, index, name="segmented_reduce_min"):
"""
Computes the minimum over segments.
This operations computes the minimum over segments, with support for:
- Batching using the first dimensions [B1, B2, ..., Bn]. Each element in a batch can have different indices.
- Vectorization using the last dimension [V1, V2, ...]. If they are present, the output will be an element-wise
minimum of vectors rather than scalars.
Only the middle dimensions [I1, ..., Ik] are reduced by the operation.
Args:
values (`torch.Tensor` of shape [B1, B2, ..., Bn, I1, .., Ik, V1, V2, ..]):
Tensor containing the values of which the min must be taken segment-wise.
index (`IndexMap`, indices are of shape [B1, B2, ..., Bn, I1, .., Ik].):
Index defining the segments.
name (`str`, *optional*, defaults to 'segmented_reduce_sum'):
Name for the operation. Currently not used
Returns:
output_values (`torch.Tensor`of shape [B1, B2, ..., Bn, num_segments, V1, V2, ..]): Tensor containing the
output values. output_index (`IndexMap`): IndexMap with shape [B1, B2, ..., Bn, num_segments].
"""
return _segment_reduce(values, index, "min", name) | Computes the minimum over segments. This operations computes the minimum over segments, with support for: - Batching using the first dimensions [B1, B2, ..., Bn]. Each element in a batch can have different indices. - Vectorization using the last dimension [V1, V2, ...]. If they are present, the output will be an element-wise minimum of vectors rather than scalars. Only the middle dimensions [I1, ..., Ik] are reduced by the operation. Args: values (`torch.Tensor` of shape [B1, B2, ..., Bn, I1, .., Ik, V1, V2, ..]): Tensor containing the values of which the min must be taken segment-wise. index (`IndexMap`, indices are of shape [B1, B2, ..., Bn, I1, .., Ik].): Index defining the segments. name (`str`, *optional*, defaults to 'segmented_reduce_sum'): Name for the operation. Currently not used Returns: output_values (`torch.Tensor`of shape [B1, B2, ..., Bn, num_segments, V1, V2, ..]): Tensor containing the output values. output_index (`IndexMap`): IndexMap with shape [B1, B2, ..., Bn, num_segments]. |
11,284 | import enum
import math
import os
from dataclasses import dataclass
from typing import Optional, Tuple
import torch
import torch.utils.checkpoint
from torch import nn
from torch.nn import BCEWithLogitsLoss, CrossEntropyLoss, MSELoss
from ...activations import ACT2FN
from ...modeling_outputs import BaseModelOutput, BaseModelOutputWithPooling, MaskedLMOutput, SequenceClassifierOutput
from ...modeling_utils import PreTrainedModel
from ...pytorch_utils import apply_chunking_to_forward, find_pruneable_heads_and_indices, prune_linear_layer
from ...utils import (
ModelOutput,
add_start_docstrings,
add_start_docstrings_to_model_forward,
is_scatter_available,
logging,
replace_return_docstrings,
requires_backends,
)
from .configuration_tapas import TapasConfig
EPSILON_ZERO_DIVISION = 1e-10
CLOSE_ENOUGH_TO_LOG_ZERO = -10000.0
def reduce_sum(values, index, name="segmented_reduce_sum"):
"""
Sums a tensor over its segments.
Outputs 0 for empty segments.
This operations computes the sum over segments, with support for:
- Batching using the first dimensions [B1, B2, ..., Bn]. Each element in a batch can have different indices.
- Vectorization using the last dimension [V1, V2, ...]. If they are present, the output will be a sum of
vectors rather than scalars. Only the middle dimensions [I1, ..., Ik] are reduced by the operation.
Args:
values (`torch.Tensor` of shape [B1, B2, ..., Bn, I1, .., Ik, V1, V2, ..]):
Tensor containing the values of which the sum must be taken segment-wise.
index (`IndexMap`, indices are of shape [B1, B2, ..., Bn, I1, .., Ik].):
Index defining the segments.
name (`str`, *optional*, defaults to 'segmented_reduce_sum'):
Name for the operation. Currently not used
Returns:
output_values (`torch.Tensor`of shape [B1, B2, ..., Bn, num_segments, V1, V2, ..]): Tensor containing the
output values. output_index (`IndexMap`): IndexMap with shape [B1, B2, ..., Bn, num_segments]. .
"""
return _segment_reduce(values, index, "sum", name)
def reduce_mean(values, index, name="segmented_reduce_mean"):
"""
Averages a tensor over its segments.
Outputs 0 for empty segments.
This operations computes the mean over segments, with support for:
- Batching using the first dimensions [B1, B2, ..., Bn]. Each element in a batch can have different indices.
- Vectorization using the last dimension [V1, V2, ...]. If they are present, the output will be a mean of
vectors rather than scalars.
Only the middle dimensions [I1, ..., Ik] are reduced by the operation.
Args:
values (`torch.Tensor` of shape [B1, B2, ..., Bn, I1, .., Ik, V1, V2, ..]):
Tensor containing the values of which the mean must be taken segment-wise.
index (`IndexMap`, indices are of shape [B1, B2, ..., Bn, I1, .., Ik].):
Index defining the segments.
name (`str`, *optional*, defaults to 'segmented_reduce_sum'):
Name for the operation. Currently not used
Returns:
output_values (`torch.Tensor`of shape [B1, B2, ..., Bn, num_segments, V1, V2, ..]): Tensor containing the
output values. output_index (`IndexMap`): IndexMap with shape [B1, B2, ..., Bn, num_segments].
"""
return _segment_reduce(values, index, "mean", name)
The provided code snippet includes necessary dependencies for implementing the `compute_column_logits` function. Write a Python function `def compute_column_logits( sequence_output, column_output_weights, column_output_bias, cell_index, cell_mask, allow_empty_column_selection )` to solve the following problem:
Computes the column logits. Args: sequence_output (`torch.FloatTensor` of shape `(batch_size, sequence_length, hidden_size)`): Also known as last_hidden_state. Sequence of hidden-states at the output of the last layer of the model. column_output_weights (`torch.FloatTensor` of shape `(hidden_size)`): Weights of the linear layer for column selection. column_output_bias (`torch.FloatTensor` of shape `()`): Bias of the linear layer for column selection. cell_index (`ProductIndexMap`): Index that groups tokens into cells. cell_mask (`torch.FloatTensor` of shape `(batch_size, max_num_rows * max_num_cols)`): Mask for cells that exist in the table (i.e. that are not padding). allow_empty_column_selection (`bool`): Whether to allow not to select any column Returns: column_logits (`torch.FloatTensor`of shape `(batch_size, max_num_cols)`): Tensor containing the column logits for every example in the batch.
Here is the function:
def compute_column_logits(
sequence_output, column_output_weights, column_output_bias, cell_index, cell_mask, allow_empty_column_selection
):
"""
Computes the column logits.
Args:
sequence_output (`torch.FloatTensor` of shape `(batch_size, sequence_length, hidden_size)`):
Also known as last_hidden_state. Sequence of hidden-states at the output of the last layer of the model.
column_output_weights (`torch.FloatTensor` of shape `(hidden_size)`):
Weights of the linear layer for column selection.
column_output_bias (`torch.FloatTensor` of shape `()`):
Bias of the linear layer for column selection.
cell_index (`ProductIndexMap`):
Index that groups tokens into cells.
cell_mask (`torch.FloatTensor` of shape `(batch_size, max_num_rows * max_num_cols)`):
Mask for cells that exist in the table (i.e. that are not padding).
allow_empty_column_selection (`bool`):
Whether to allow not to select any column
Returns:
column_logits (`torch.FloatTensor`of shape `(batch_size, max_num_cols)`): Tensor containing the column logits
for every example in the batch.
"""
# First, compute the token logits (batch_size, seq_len) - without temperature
token_logits = torch.einsum("bsj,j->bs", sequence_output, column_output_weights) + column_output_bias
# Next, average the logits per cell (batch_size, max_num_cols*max_num_rows)
cell_logits, cell_logits_index = reduce_mean(token_logits, cell_index)
# Finally, average the logits per column (batch_size, max_num_cols)
column_index = cell_index.project_inner(cell_logits_index)
column_logits, out_index = reduce_sum(cell_logits * cell_mask, column_index)
cell_count, _ = reduce_sum(cell_mask, column_index)
column_logits /= cell_count + EPSILON_ZERO_DIVISION
# Mask columns that do not appear in the example.
is_padding = torch.logical_and(cell_count < 0.5, ~torch.eq(out_index.indices, 0))
column_logits += CLOSE_ENOUGH_TO_LOG_ZERO * torch.as_tensor(
is_padding, dtype=torch.float32, device=is_padding.device
)
if not allow_empty_column_selection:
column_logits += CLOSE_ENOUGH_TO_LOG_ZERO * torch.as_tensor(
torch.eq(out_index.indices, 0), dtype=torch.float32, device=out_index.indices.device
)
return column_logits | Computes the column logits. Args: sequence_output (`torch.FloatTensor` of shape `(batch_size, sequence_length, hidden_size)`): Also known as last_hidden_state. Sequence of hidden-states at the output of the last layer of the model. column_output_weights (`torch.FloatTensor` of shape `(hidden_size)`): Weights of the linear layer for column selection. column_output_bias (`torch.FloatTensor` of shape `()`): Bias of the linear layer for column selection. cell_index (`ProductIndexMap`): Index that groups tokens into cells. cell_mask (`torch.FloatTensor` of shape `(batch_size, max_num_rows * max_num_cols)`): Mask for cells that exist in the table (i.e. that are not padding). allow_empty_column_selection (`bool`): Whether to allow not to select any column Returns: column_logits (`torch.FloatTensor`of shape `(batch_size, max_num_cols)`): Tensor containing the column logits for every example in the batch. |
11,285 | import enum
import math
import os
from dataclasses import dataclass
from typing import Optional, Tuple
import torch
import torch.utils.checkpoint
from torch import nn
from torch.nn import BCEWithLogitsLoss, CrossEntropyLoss, MSELoss
from ...activations import ACT2FN
from ...modeling_outputs import BaseModelOutput, BaseModelOutputWithPooling, MaskedLMOutput, SequenceClassifierOutput
from ...modeling_utils import PreTrainedModel
from ...pytorch_utils import apply_chunking_to_forward, find_pruneable_heads_and_indices, prune_linear_layer
from ...utils import (
ModelOutput,
add_start_docstrings,
add_start_docstrings_to_model_forward,
is_scatter_available,
logging,
replace_return_docstrings,
requires_backends,
)
from .configuration_tapas import TapasConfig
EPSILON_ZERO_DIVISION = 1e-10
CLOSE_ENOUGH_TO_LOG_ZERO = -10000.0
def gather(values, index, name="segmented_gather"):
"""
Gathers from *values* using the index map. For each element in the domain of the index map this operation looks up
a value for that index in *values*. Two elements from the same segment always get assigned the same value.
Args:
values (`torch.Tensor` of shape (B1, ..., Bn, num_segments, V1, ...)):
Tensor with segment values.
index (`IndexMap` of shape (B1, ..., Bn, I1, ..., Ik)):
IndexMap.
name (`str`, *optional*, defaults to 'segmented_gather'):
Name for the operation. Currently not used
Returns:
`tuple(torch.Tensor)`: Tensor of shape (B1, ..., Bn, I1, ..., Ik, V1, ...) with the gathered values.
"""
indices = index.indices
# first, check whether the indices of the index represent scalar values (i.e. not vectorized)
if len(values.shape[index.batch_dims :]) < 2:
return torch.gather(
values,
index.batch_dims,
indices.view(
values.size()[0], -1
), # torch.gather expects index to have the same number of dimensions as values
).view(indices.size())
else:
# this means we have a vectorized version
# we have to adjust the index
indices = indices.unsqueeze(-1).expand(values.shape)
return torch.gather(values, index.batch_dims, indices)
def reduce_sum(values, index, name="segmented_reduce_sum"):
"""
Sums a tensor over its segments.
Outputs 0 for empty segments.
This operations computes the sum over segments, with support for:
- Batching using the first dimensions [B1, B2, ..., Bn]. Each element in a batch can have different indices.
- Vectorization using the last dimension [V1, V2, ...]. If they are present, the output will be a sum of
vectors rather than scalars. Only the middle dimensions [I1, ..., Ik] are reduced by the operation.
Args:
values (`torch.Tensor` of shape [B1, B2, ..., Bn, I1, .., Ik, V1, V2, ..]):
Tensor containing the values of which the sum must be taken segment-wise.
index (`IndexMap`, indices are of shape [B1, B2, ..., Bn, I1, .., Ik].):
Index defining the segments.
name (`str`, *optional*, defaults to 'segmented_reduce_sum'):
Name for the operation. Currently not used
Returns:
output_values (`torch.Tensor`of shape [B1, B2, ..., Bn, num_segments, V1, V2, ..]): Tensor containing the
output values. output_index (`IndexMap`): IndexMap with shape [B1, B2, ..., Bn, num_segments]. .
"""
return _segment_reduce(values, index, "sum", name)
def reduce_mean(values, index, name="segmented_reduce_mean"):
"""
Averages a tensor over its segments.
Outputs 0 for empty segments.
This operations computes the mean over segments, with support for:
- Batching using the first dimensions [B1, B2, ..., Bn]. Each element in a batch can have different indices.
- Vectorization using the last dimension [V1, V2, ...]. If they are present, the output will be a mean of
vectors rather than scalars.
Only the middle dimensions [I1, ..., Ik] are reduced by the operation.
Args:
values (`torch.Tensor` of shape [B1, B2, ..., Bn, I1, .., Ik, V1, V2, ..]):
Tensor containing the values of which the mean must be taken segment-wise.
index (`IndexMap`, indices are of shape [B1, B2, ..., Bn, I1, .., Ik].):
Index defining the segments.
name (`str`, *optional*, defaults to 'segmented_reduce_sum'):
Name for the operation. Currently not used
Returns:
output_values (`torch.Tensor`of shape [B1, B2, ..., Bn, num_segments, V1, V2, ..]): Tensor containing the
output values. output_index (`IndexMap`): IndexMap with shape [B1, B2, ..., Bn, num_segments].
"""
return _segment_reduce(values, index, "mean", name)
def reduce_max(values, index, name="segmented_reduce_max"):
"""
Computes the maximum over segments.
This operation computes the maximum over segments, with support for:
- Batching using the first dimensions [B1, B2, ..., Bn]. Each element in a batch can have different indices.
- Vectorization using the last dimension [V1, V2, ...]. If they are present, the output will be an element-wise
maximum of vectors rather than scalars.
Only the middle dimensions [I1, ..., Ik] are reduced by the operation.
Args:
values (`torch.Tensor` of shape [B1, B2, ..., Bn, I1, .., Ik, V1, V2, ..]):
Tensor containing the values of which the max must be taken segment-wise.
index (`IndexMap`, indices are of shape [B1, B2, ..., Bn, I1, .., Ik].):
Index defining the segments.
name (`str`, *optional*, defaults to 'segmented_reduce_sum'):
Name for the operation. Currently not used
Returns:
output_values (`torch.Tensor`of shape [B1, B2, ..., Bn, num_segments, V1, V2, ..]): Tensor containing the
output values. output_index (`IndexMap`): IndexMap with shape [B1, B2, ..., Bn, num_segments].
"""
return _segment_reduce(values, index, "max", name)
The provided code snippet includes necessary dependencies for implementing the `_single_column_cell_selection_loss` function. Write a Python function `def _single_column_cell_selection_loss(token_logits, column_logits, labels, cell_index, col_index, cell_mask)` to solve the following problem:
Computes the loss for cell selection constrained to a single column. The loss is a hierarchical log-likelihood. The model first predicts a column and then selects cells within that column (conditioned on the column). Cells outside the selected column are never selected. Args: token_logits (`torch.FloatTensor` of shape `(batch_size, sequence_length)`): Tensor containing the logits per token. column_logits (`torch.FloatTensor` of shape `(batch_size, max_num_cols)`): Tensor containing the logits per column. labels (`torch.LongTensor` of shape `(batch_size, sequence_length)`): Labels per token. cell_index (`ProductIndexMap`): Index that groups tokens into cells. col_index (`IndexMap`): Index that groups tokens into columns. cell_mask (`torch.FloatTensor` of shape `(batch_size, max_num_rows * max_num_cols)`): Mask for cells that exist in the table (i.e. that are not padding). Returns: selection_loss_per_example (`torch.FloatTensor` of shape `(batch_size,)`): Loss for each example. logits (`torch.FloatTensor` of shape `(batch_size, sequence_length)`): New logits which are only allowed to select cells in a single column. Logits outside of the most likely column according to *column_logits* will be set to a very low value (such that the probabilities are 0).
Here is the function:
def _single_column_cell_selection_loss(token_logits, column_logits, labels, cell_index, col_index, cell_mask):
"""
Computes the loss for cell selection constrained to a single column. The loss is a hierarchical log-likelihood. The
model first predicts a column and then selects cells within that column (conditioned on the column). Cells outside
the selected column are never selected.
Args:
token_logits (`torch.FloatTensor` of shape `(batch_size, sequence_length)`):
Tensor containing the logits per token.
column_logits (`torch.FloatTensor` of shape `(batch_size, max_num_cols)`):
Tensor containing the logits per column.
labels (`torch.LongTensor` of shape `(batch_size, sequence_length)`):
Labels per token.
cell_index (`ProductIndexMap`):
Index that groups tokens into cells.
col_index (`IndexMap`):
Index that groups tokens into columns.
cell_mask (`torch.FloatTensor` of shape `(batch_size, max_num_rows * max_num_cols)`):
Mask for cells that exist in the table (i.e. that are not padding).
Returns:
selection_loss_per_example (`torch.FloatTensor` of shape `(batch_size,)`): Loss for each example. logits
(`torch.FloatTensor` of shape `(batch_size, sequence_length)`): New logits which are only allowed to select
cells in a single column. Logits outside of the most likely column according to *column_logits* will be set to
a very low value (such that the probabilities are 0).
"""
# Part 1: column loss
# First find the column we should select. We use the column with maximum number of selected cells.
labels_per_column, _ = reduce_sum(torch.as_tensor(labels, dtype=torch.float32, device=labels.device), col_index)
# shape of labels_per_column is (batch_size, max_num_cols). It contains the number of label ids for every column, for every example
column_label = torch.argmax(labels_per_column, dim=-1) # shape (batch_size,)
# Check if there are no selected cells in the column. In that case the model
# should predict the special column id 0, which means "select nothing".
no_cell_selected = torch.eq(
torch.max(labels_per_column, dim=-1)[0], 0
) # no_cell_selected is of shape (batch_size,) and equals True
# if an example of the batch has no cells selected (i.e. if there are no labels set to 1 for that example)
column_label = torch.where(
no_cell_selected.view(column_label.size()), torch.zeros_like(column_label), column_label
)
column_dist = torch.distributions.Categorical(logits=column_logits) # shape (batch_size, max_num_cols)
column_loss_per_example = -column_dist.log_prob(column_label)
# Part 2: cell loss
# Reduce the labels and logits to per-cell from per-token.
# logits_per_cell: shape (batch_size, max_num_rows*max_num_cols) i.e. (batch_size, 64*32)
logits_per_cell, _ = reduce_mean(token_logits, cell_index)
# labels_per_cell: shape (batch_size, 64*32), indicating whether each cell should be selected (1) or not (0)
labels_per_cell, labels_index = reduce_max(
torch.as_tensor(labels, dtype=torch.long, device=labels.device), cell_index
)
# Mask for the selected column.
# column_id_for_cells: shape (batch_size, 64*32), indicating to which column each cell belongs
column_id_for_cells = cell_index.project_inner(labels_index).indices
# column_mask: shape (batch_size, 64*32), equal to 1 if cell belongs to column to be selected
column_mask = torch.as_tensor(
torch.eq(column_id_for_cells, torch.unsqueeze(column_label, dim=-1)),
dtype=torch.float32,
device=cell_mask.device,
)
# Compute the log-likelihood for cells, but only for the selected column.
cell_dist = torch.distributions.Bernoulli(logits=logits_per_cell) # shape (batch_size, 64*32)
cell_log_prob = cell_dist.log_prob(labels_per_cell.type(torch.float32)) # shape(batch_size, 64*32)
cell_loss = -torch.sum(cell_log_prob * column_mask * cell_mask, dim=1)
# We need to normalize the loss by the number of cells in the column.
cell_loss /= torch.sum(column_mask * cell_mask, dim=1) + EPSILON_ZERO_DIVISION
selection_loss_per_example = column_loss_per_example
selection_loss_per_example += torch.where(
no_cell_selected.view(selection_loss_per_example.size()),
torch.zeros_like(selection_loss_per_example),
cell_loss,
)
# Set the probs outside the selected column (selected by the *model*)
# to 0. This ensures backwards compatibility with models that select
# cells from multiple columns.
selected_column_id = torch.as_tensor(
torch.argmax(column_logits, dim=-1), dtype=torch.long, device=column_logits.device
) # shape (batch_size,)
# selected_column_mask: shape (batch_size, 64*32), equal to 1 if cell belongs to column selected by the model
selected_column_mask = torch.as_tensor(
torch.eq(column_id_for_cells, torch.unsqueeze(selected_column_id, dim=-1)),
dtype=torch.float32,
device=selected_column_id.device,
)
# Never select cells with the special column id 0.
selected_column_mask = torch.where(
torch.eq(column_id_for_cells, 0).view(selected_column_mask.size()),
torch.zeros_like(selected_column_mask),
selected_column_mask,
)
new_logits_per_cell = logits_per_cell + CLOSE_ENOUGH_TO_LOG_ZERO * (1.0 - cell_mask * selected_column_mask)
logits = gather(new_logits_per_cell, cell_index)
return selection_loss_per_example, logits | Computes the loss for cell selection constrained to a single column. The loss is a hierarchical log-likelihood. The model first predicts a column and then selects cells within that column (conditioned on the column). Cells outside the selected column are never selected. Args: token_logits (`torch.FloatTensor` of shape `(batch_size, sequence_length)`): Tensor containing the logits per token. column_logits (`torch.FloatTensor` of shape `(batch_size, max_num_cols)`): Tensor containing the logits per column. labels (`torch.LongTensor` of shape `(batch_size, sequence_length)`): Labels per token. cell_index (`ProductIndexMap`): Index that groups tokens into cells. col_index (`IndexMap`): Index that groups tokens into columns. cell_mask (`torch.FloatTensor` of shape `(batch_size, max_num_rows * max_num_cols)`): Mask for cells that exist in the table (i.e. that are not padding). Returns: selection_loss_per_example (`torch.FloatTensor` of shape `(batch_size,)`): Loss for each example. logits (`torch.FloatTensor` of shape `(batch_size, sequence_length)`): New logits which are only allowed to select cells in a single column. Logits outside of the most likely column according to *column_logits* will be set to a very low value (such that the probabilities are 0). |
11,286 | import enum
import math
import os
from dataclasses import dataclass
from typing import Optional, Tuple
import torch
import torch.utils.checkpoint
from torch import nn
from torch.nn import BCEWithLogitsLoss, CrossEntropyLoss, MSELoss
from ...activations import ACT2FN
from ...modeling_outputs import BaseModelOutput, BaseModelOutputWithPooling, MaskedLMOutput, SequenceClassifierOutput
from ...modeling_utils import PreTrainedModel
from ...pytorch_utils import apply_chunking_to_forward, find_pruneable_heads_and_indices, prune_linear_layer
from ...utils import (
ModelOutput,
add_start_docstrings,
add_start_docstrings_to_model_forward,
is_scatter_available,
logging,
replace_return_docstrings,
requires_backends,
)
from .configuration_tapas import TapasConfig
The provided code snippet includes necessary dependencies for implementing the `compute_token_logits` function. Write a Python function `def compute_token_logits(sequence_output, temperature, output_weights, output_bias)` to solve the following problem:
Computes logits per token Args: sequence_output (`torch.FloatTensor` of shape `(batch_size, sequence_length, hidden_size)`): Also known as last_hidden_state. Sequence of hidden-states at the output of the last layer of the model. temperature (`float`): Temperature for the Bernoulli distribution. output_weights (`torch.FloatTensor` of shape `(hidden_size,)`): Weights of the linear layer for cell selection. output_bias (`torch.FloatTensor` of shape `()`): Bias of the linear layer for cell selection Returns: logits (`torch.FloatTensor` of shape `(batch_size, sequence_length)`): Logits per token.
Here is the function:
def compute_token_logits(sequence_output, temperature, output_weights, output_bias):
"""
Computes logits per token
Args:
sequence_output (`torch.FloatTensor` of shape `(batch_size, sequence_length, hidden_size)`):
Also known as last_hidden_state. Sequence of hidden-states at the output of the last layer of the model.
temperature (`float`):
Temperature for the Bernoulli distribution.
output_weights (`torch.FloatTensor` of shape `(hidden_size,)`):
Weights of the linear layer for cell selection.
output_bias (`torch.FloatTensor` of shape `()`):
Bias of the linear layer for cell selection
Returns:
logits (`torch.FloatTensor` of shape `(batch_size, sequence_length)`): Logits per token.
"""
logits = (torch.einsum("bsj,j->bs", sequence_output, output_weights) + output_bias) / temperature
return logits | Computes logits per token Args: sequence_output (`torch.FloatTensor` of shape `(batch_size, sequence_length, hidden_size)`): Also known as last_hidden_state. Sequence of hidden-states at the output of the last layer of the model. temperature (`float`): Temperature for the Bernoulli distribution. output_weights (`torch.FloatTensor` of shape `(hidden_size,)`): Weights of the linear layer for cell selection. output_bias (`torch.FloatTensor` of shape `()`): Bias of the linear layer for cell selection Returns: logits (`torch.FloatTensor` of shape `(batch_size, sequence_length)`): Logits per token. |
11,287 | import enum
import math
import os
from dataclasses import dataclass
from typing import Optional, Tuple
import torch
import torch.utils.checkpoint
from torch import nn
from torch.nn import BCEWithLogitsLoss, CrossEntropyLoss, MSELoss
from ...activations import ACT2FN
from ...modeling_outputs import BaseModelOutput, BaseModelOutputWithPooling, MaskedLMOutput, SequenceClassifierOutput
from ...modeling_utils import PreTrainedModel
from ...pytorch_utils import apply_chunking_to_forward, find_pruneable_heads_and_indices, prune_linear_layer
from ...utils import (
ModelOutput,
add_start_docstrings,
add_start_docstrings_to_model_forward,
is_scatter_available,
logging,
replace_return_docstrings,
requires_backends,
)
from .configuration_tapas import TapasConfig
The provided code snippet includes necessary dependencies for implementing the `_calculate_aggregate_mask` function. Write a Python function `def _calculate_aggregate_mask(answer, pooled_output, cell_selection_preference, labels, aggregation_classifier)` to solve the following problem:
Finds examples where the model should select cells with no aggregation. Returns a mask that determines for which examples should the model select answers directly from the table, without any aggregation function. If the answer is a piece of text the case is unambiguous as aggregation functions only apply to numbers. If the answer is a number but does not appear in the table then we must use some aggregation case. The ambiguous case is when the answer is a number that also appears in the table. In this case we use the aggregation function probabilities predicted by the model to decide whether to select or aggregate. The threshold for this is a hyperparameter *cell_selection_preference* Args: answer (`torch.FloatTensor` of shape `(batch_size, )`): Answer for every example in the batch. Nan if there is no scalar answer. pooled_output (`torch.FloatTensor` of shape `(batch_size, hidden_size)`): Output of the pooler (BertPooler) on top of the encoder layer. cell_selection_preference (`float`): Preference for cell selection in ambiguous cases. labels (`torch.LongTensor` of shape `(batch_size, sequence_length)`): Labels per token. aggregation_classifier (`torch.nn.Linear`): Aggregation head Returns: aggregate_mask (`torch.FloatTensor` of shape `(batch_size,)`): A mask set to 1 for examples that should use aggregation functions.
Here is the function:
def _calculate_aggregate_mask(answer, pooled_output, cell_selection_preference, labels, aggregation_classifier):
"""
Finds examples where the model should select cells with no aggregation.
Returns a mask that determines for which examples should the model select answers directly from the table, without
any aggregation function. If the answer is a piece of text the case is unambiguous as aggregation functions only
apply to numbers. If the answer is a number but does not appear in the table then we must use some aggregation
case. The ambiguous case is when the answer is a number that also appears in the table. In this case we use the
aggregation function probabilities predicted by the model to decide whether to select or aggregate. The threshold
for this is a hyperparameter *cell_selection_preference*
Args:
answer (`torch.FloatTensor` of shape `(batch_size, )`):
Answer for every example in the batch. Nan if there is no scalar answer.
pooled_output (`torch.FloatTensor` of shape `(batch_size, hidden_size)`):
Output of the pooler (BertPooler) on top of the encoder layer.
cell_selection_preference (`float`):
Preference for cell selection in ambiguous cases.
labels (`torch.LongTensor` of shape `(batch_size, sequence_length)`):
Labels per token. aggregation_classifier (`torch.nn.Linear`): Aggregation head
Returns:
aggregate_mask (`torch.FloatTensor` of shape `(batch_size,)`): A mask set to 1 for examples that should use
aggregation functions.
"""
# torch.FloatTensor(batch_size,)
aggregate_mask_init = torch.logical_not(torch.isnan(answer)).type(torch.FloatTensor).to(answer.device)
logits_aggregation = aggregation_classifier(pooled_output)
dist_aggregation = torch.distributions.categorical.Categorical(logits=logits_aggregation)
# Index 0 corresponds to "no aggregation".
aggregation_ops_total_mass = torch.sum(dist_aggregation.probs[:, 1:], dim=1)
# Cell selection examples according to current model.
is_pred_cell_selection = aggregation_ops_total_mass <= cell_selection_preference
# Examples with non-empty cell selection supervision.
is_cell_supervision_available = torch.sum(labels, dim=1) > 0
# torch.where is not equivalent to tf.where (in tensorflow 1)
# hence the added .view on the condition to match the shape of the first tensor
aggregate_mask = torch.where(
torch.logical_and(is_pred_cell_selection, is_cell_supervision_available).view(aggregate_mask_init.size()),
torch.zeros_like(aggregate_mask_init, dtype=torch.float32),
aggregate_mask_init,
)
aggregate_mask = aggregate_mask.detach()
return aggregate_mask | Finds examples where the model should select cells with no aggregation. Returns a mask that determines for which examples should the model select answers directly from the table, without any aggregation function. If the answer is a piece of text the case is unambiguous as aggregation functions only apply to numbers. If the answer is a number but does not appear in the table then we must use some aggregation case. The ambiguous case is when the answer is a number that also appears in the table. In this case we use the aggregation function probabilities predicted by the model to decide whether to select or aggregate. The threshold for this is a hyperparameter *cell_selection_preference* Args: answer (`torch.FloatTensor` of shape `(batch_size, )`): Answer for every example in the batch. Nan if there is no scalar answer. pooled_output (`torch.FloatTensor` of shape `(batch_size, hidden_size)`): Output of the pooler (BertPooler) on top of the encoder layer. cell_selection_preference (`float`): Preference for cell selection in ambiguous cases. labels (`torch.LongTensor` of shape `(batch_size, sequence_length)`): Labels per token. aggregation_classifier (`torch.nn.Linear`): Aggregation head Returns: aggregate_mask (`torch.FloatTensor` of shape `(batch_size,)`): A mask set to 1 for examples that should use aggregation functions. |
11,288 | import enum
import math
import os
from dataclasses import dataclass
from typing import Optional, Tuple
import torch
import torch.utils.checkpoint
from torch import nn
from torch.nn import BCEWithLogitsLoss, CrossEntropyLoss, MSELoss
from ...activations import ACT2FN
from ...modeling_outputs import BaseModelOutput, BaseModelOutputWithPooling, MaskedLMOutput, SequenceClassifierOutput
from ...modeling_utils import PreTrainedModel
from ...pytorch_utils import apply_chunking_to_forward, find_pruneable_heads_and_indices, prune_linear_layer
from ...utils import (
ModelOutput,
add_start_docstrings,
add_start_docstrings_to_model_forward,
is_scatter_available,
logging,
replace_return_docstrings,
requires_backends,
)
from .configuration_tapas import TapasConfig
def _calculate_aggregation_loss_known(
logits_aggregation, aggregate_mask, aggregation_labels, use_answer_as_supervision, num_aggregation_labels
):
"""
Calculates aggregation loss when its type is known during training.
In the weakly supervised setting, the only known information is that for cell selection examples, "no aggregation"
should be predicted. For other examples (those that require aggregation), no loss is accumulated. In the setting
where aggregation type is always known, standard cross entropy loss is accumulated for all examples
Args:
logits_aggregation (`torch.FloatTensor` of shape `(batch_size, num_aggregation_labels)`):
Logits per aggregation operation.
aggregate_mask (`torch.FloatTensor` of shape `(batch_size, )`):
A mask set to 1 for examples that should use aggregation functions.
aggregation_labels (`torch.LongTensor` of shape `(batch_size, )`):
Aggregation function id for every example in the batch.
use_answer_as_supervision (`bool`, *optional*):
Whether to use the answer as the only supervision for aggregation examples.
num_aggregation_labels (`int`, *optional*, defaults to 0):
The number of aggregation operators to predict.
Returns:
aggregation_loss_known (`torch.FloatTensor` of shape `(batch_size,)`): Aggregation loss (when its type is known
during training) per example.
"""
if use_answer_as_supervision:
# Prepare "no aggregation" targets for cell selection examples.
target_aggregation = torch.zeros_like(aggregate_mask, dtype=torch.long)
else:
# Use aggregation supervision as the target.
target_aggregation = aggregation_labels
one_hot_labels = nn.functional.one_hot(target_aggregation, num_classes=num_aggregation_labels).type(torch.float32)
log_probs = nn.functional.log_softmax(logits_aggregation, dim=-1)
# torch.FloatTensor[batch_size]
per_example_aggregation_intermediate = -torch.sum(one_hot_labels * log_probs, dim=-1)
if use_answer_as_supervision:
# Accumulate loss only for examples requiring cell selection
# (no aggregation).
return per_example_aggregation_intermediate * (1 - aggregate_mask)
else:
return per_example_aggregation_intermediate
def _calculate_aggregation_loss_unknown(logits_aggregation, aggregate_mask):
"""
Calculates aggregation loss in the case of answer supervision.
Args:
logits_aggregation (`torch.FloatTensor` of shape `(batch_size, num_aggregation_labels)`):
Logits per aggregation operation.
aggregate_mask (`torch.FloatTensor` of shape `(batch_size, )`):
A mask set to 1 for examples that should use aggregation functions
Returns:
aggregation_loss_unknown (`torch.FloatTensor` of shape `(batch_size,)`): Aggregation loss (in case of answer
supervision) per example.
"""
dist_aggregation = torch.distributions.categorical.Categorical(logits=logits_aggregation)
# Index 0 corresponds to "no aggregation".
aggregation_ops_total_mass = torch.sum(dist_aggregation.probs[:, 1:], dim=1)
# Predict some aggregation in case of an answer that needs aggregation.
# This increases the probability of all aggregation functions, in a way
# similar to MML, but without considering whether the function gives the
# correct answer.
return -torch.log(aggregation_ops_total_mass) * aggregate_mask
The provided code snippet includes necessary dependencies for implementing the `_calculate_aggregation_loss` function. Write a Python function `def _calculate_aggregation_loss( logits_aggregation, aggregate_mask, aggregation_labels, use_answer_as_supervision, num_aggregation_labels, aggregation_loss_weight, )` to solve the following problem:
Calculates the aggregation loss per example. Args: logits_aggregation (`torch.FloatTensor` of shape `(batch_size, num_aggregation_labels)`): Logits per aggregation operation. aggregate_mask (`torch.FloatTensor` of shape `(batch_size, )`): A mask set to 1 for examples that should use aggregation functions. aggregation_labels (`torch.LongTensor` of shape `(batch_size, )`): Aggregation function id for every example in the batch. use_answer_as_supervision (`bool`, *optional*): Whether to use the answer as the only supervision for aggregation examples. num_aggregation_labels (`int`, *optional*, defaults to 0): The number of aggregation operators to predict. aggregation_loss_weight (`float`, *optional*, defaults to 1.0): Importance weight for the aggregation loss. Returns: aggregation_loss (`torch.FloatTensor` of shape `(batch_size,)`): Aggregation loss per example.
Here is the function:
def _calculate_aggregation_loss(
logits_aggregation,
aggregate_mask,
aggregation_labels,
use_answer_as_supervision,
num_aggregation_labels,
aggregation_loss_weight,
):
"""
Calculates the aggregation loss per example.
Args:
logits_aggregation (`torch.FloatTensor` of shape `(batch_size, num_aggregation_labels)`):
Logits per aggregation operation.
aggregate_mask (`torch.FloatTensor` of shape `(batch_size, )`):
A mask set to 1 for examples that should use aggregation functions.
aggregation_labels (`torch.LongTensor` of shape `(batch_size, )`):
Aggregation function id for every example in the batch.
use_answer_as_supervision (`bool`, *optional*):
Whether to use the answer as the only supervision for aggregation examples.
num_aggregation_labels (`int`, *optional*, defaults to 0):
The number of aggregation operators to predict.
aggregation_loss_weight (`float`, *optional*, defaults to 1.0):
Importance weight for the aggregation loss.
Returns:
aggregation_loss (`torch.FloatTensor` of shape `(batch_size,)`): Aggregation loss per example.
"""
per_example_aggregation_loss = _calculate_aggregation_loss_known(
logits_aggregation, aggregate_mask, aggregation_labels, use_answer_as_supervision, num_aggregation_labels
)
if use_answer_as_supervision:
# Add aggregation loss for numeric answers that need aggregation.
per_example_aggregation_loss += _calculate_aggregation_loss_unknown(logits_aggregation, aggregate_mask)
return aggregation_loss_weight * per_example_aggregation_loss | Calculates the aggregation loss per example. Args: logits_aggregation (`torch.FloatTensor` of shape `(batch_size, num_aggregation_labels)`): Logits per aggregation operation. aggregate_mask (`torch.FloatTensor` of shape `(batch_size, )`): A mask set to 1 for examples that should use aggregation functions. aggregation_labels (`torch.LongTensor` of shape `(batch_size, )`): Aggregation function id for every example in the batch. use_answer_as_supervision (`bool`, *optional*): Whether to use the answer as the only supervision for aggregation examples. num_aggregation_labels (`int`, *optional*, defaults to 0): The number of aggregation operators to predict. aggregation_loss_weight (`float`, *optional*, defaults to 1.0): Importance weight for the aggregation loss. Returns: aggregation_loss (`torch.FloatTensor` of shape `(batch_size,)`): Aggregation loss per example. |
11,289 | import enum
import math
import os
from dataclasses import dataclass
from typing import Optional, Tuple
import torch
import torch.utils.checkpoint
from torch import nn
from torch.nn import BCEWithLogitsLoss, CrossEntropyLoss, MSELoss
from ...activations import ACT2FN
from ...modeling_outputs import BaseModelOutput, BaseModelOutputWithPooling, MaskedLMOutput, SequenceClassifierOutput
from ...modeling_utils import PreTrainedModel
from ...pytorch_utils import apply_chunking_to_forward, find_pruneable_heads_and_indices, prune_linear_layer
from ...utils import (
ModelOutput,
add_start_docstrings,
add_start_docstrings_to_model_forward,
is_scatter_available,
logging,
replace_return_docstrings,
requires_backends,
)
from .configuration_tapas import TapasConfig
EPSILON_ZERO_DIVISION = 1e-10
def _calculate_expected_result(
dist_per_cell, numeric_values, numeric_values_scale, input_mask_float, logits_aggregation, config
):
"""
Calculates the expected result given cell and aggregation probabilities.
Args:
dist_per_cell (`torch.distributions.Bernoulli`):
Cell selection distribution for each cell.
numeric_values (`torch.FloatTensor` of shape `(batch_size, seq_length)`):
Numeric values of every token. Nan for tokens which are not numeric values.
numeric_values_scale (`torch.FloatTensor` of shape `(batch_size, seq_length)`):
Scale of the numeric values of every token.
input_mask_float (`torch.FloatTensor` of shape `(batch_size, seq_length)`):
Mask for the table, without question tokens and table headers.
logits_aggregation (`torch.FloatTensor` of shape `(batch_size, num_aggregation_labels)`):
Logits per aggregation operation.
config ([`TapasConfig`]):
Model configuration class with all the hyperparameters of the model
Returns:
expected_result (`torch.FloatTensor` of shape `(batch_size,)`): The expected result per example.
"""
if config.use_gumbel_for_cells:
gumbel_dist = torch.distributions.RelaxedBernoulli(
# The token logits where already divided by the temperature and used for
# computing cell selection errors so we need to multiply it again here
temperature=config.temperature,
logits=dist_per_cell.logits * config.temperature,
)
scaled_probability_per_cell = gumbel_dist.sample()
else:
scaled_probability_per_cell = dist_per_cell.probs
# <float32>[batch_size, seq_length]
scaled_probability_per_cell = (scaled_probability_per_cell / numeric_values_scale) * input_mask_float
count_result = torch.sum(scaled_probability_per_cell, dim=1)
numeric_values_masked = torch.where(
torch.isnan(numeric_values), torch.zeros_like(numeric_values), numeric_values
) # Mask non-numeric table values to zero.
sum_result = torch.sum(scaled_probability_per_cell * numeric_values_masked, dim=1)
avg_approximation = config.average_approximation_function
if avg_approximation == AverageApproximationFunction.RATIO:
average_result = sum_result / (count_result + EPSILON_ZERO_DIVISION)
elif avg_approximation == AverageApproximationFunction.FIRST_ORDER:
# The sum of all probabilities except that correspond to other cells
# Ex here stands for expectation, more explicitly the expectation of the sum of N-1 Bernoulli random variables plus
# the constant 1, which is computed as adding all N expected values and subtracting the extra one. It corresponds to X_c
# in Appendix D of the original TAPAS paper which is trying to approximate the average of a random set.
ex = torch.sum(scaled_probability_per_cell, dim=1, keepdim=True) - scaled_probability_per_cell + 1
average_result = torch.sum(numeric_values_masked * scaled_probability_per_cell / ex, dim=1)
elif avg_approximation == AverageApproximationFunction.SECOND_ORDER:
# The sum of all probabilities except that correspond to other cells
ex = torch.sum(scaled_probability_per_cell, dim=1, keepdim=True) - scaled_probability_per_cell + 1
pointwise_var = scaled_probability_per_cell * (1 - scaled_probability_per_cell)
var = torch.sum(pointwise_var, dim=1, keepdim=True) - pointwise_var
multiplier = (var / torch.square(ex) + 1) / ex
average_result = torch.sum(numeric_values_masked * scaled_probability_per_cell * multiplier, dim=1)
else:
raise ValueError(f"Invalid average_approximation_function: {config.average_approximation_function}")
if config.use_gumbel_for_aggregation:
gumbel_dist = torch.distributions.RelaxedOneHotCategorical(
config.aggregation_temperature, logits=logits_aggregation[:, 1:]
)
# <float32>[batch_size, num_aggregation_labels - 1]
aggregation_op_only_probs = gumbel_dist.sample()
else:
# <float32>[batch_size, num_aggregation_labels - 1]
aggregation_op_only_probs = nn.functional.softmax(
logits_aggregation[:, 1:] / config.aggregation_temperature, dim=-1
)
all_results = torch.cat(
[
torch.unsqueeze(sum_result, dim=1),
torch.unsqueeze(average_result, dim=1),
torch.unsqueeze(count_result, dim=1),
],
dim=1,
)
expected_result = torch.sum(all_results * aggregation_op_only_probs, dim=1)
return expected_result
def huber_loss(input, target, delta: float = 1.0):
errors = torch.abs(input - target) # shape (batch_size,)
return torch.where(errors < delta, 0.5 * errors**2, errors * delta - (0.5 * delta**2))
The provided code snippet includes necessary dependencies for implementing the `_calculate_regression_loss` function. Write a Python function `def _calculate_regression_loss( answer, aggregate_mask, dist_per_cell, numeric_values, numeric_values_scale, input_mask_float, logits_aggregation, config, )` to solve the following problem:
Calculates the regression loss per example. Args: answer (`torch.FloatTensor` of shape `(batch_size,)`): Answer for every example in the batch. Nan if there is no scalar answer. aggregate_mask (`torch.FloatTensor` of shape `(batch_size,)`): A mask set to 1 for examples that should use aggregation functions. dist_per_cell (`torch.distributions.Bernoulli`): Cell selection distribution for each cell. numeric_values (`torch.FloatTensor` of shape `(batch_size, seq_length)`): Numeric values of every token. Nan for tokens which are not numeric values. numeric_values_scale (`torch.FloatTensor` of shape `(batch_size, seq_length)`): Scale of the numeric values of every token. input_mask_float (`torch.FloatTensor` of shape `(batch_size, seq_length)`): Mask for the table, without question tokens and table headers. logits_aggregation (`torch.FloatTensor` of shape `(batch_size, num_aggregation_labels)`): Logits per aggregation operation. config ([`TapasConfig`]): Model configuration class with all the parameters of the model Returns: per_example_answer_loss_scaled (`torch.FloatTensor` of shape `(batch_size,)`): Scales answer loss for each example in the batch. large_answer_loss_mask (`torch.FloatTensor` of shape `(batch_size,)`): A mask which is 1 for examples for which their answer loss is larger than the answer_loss_cutoff.
Here is the function:
def _calculate_regression_loss(
answer,
aggregate_mask,
dist_per_cell,
numeric_values,
numeric_values_scale,
input_mask_float,
logits_aggregation,
config,
):
"""
Calculates the regression loss per example.
Args:
answer (`torch.FloatTensor` of shape `(batch_size,)`):
Answer for every example in the batch. Nan if there is no scalar answer.
aggregate_mask (`torch.FloatTensor` of shape `(batch_size,)`):
A mask set to 1 for examples that should use aggregation functions.
dist_per_cell (`torch.distributions.Bernoulli`):
Cell selection distribution for each cell.
numeric_values (`torch.FloatTensor` of shape `(batch_size, seq_length)`):
Numeric values of every token. Nan for tokens which are not numeric values.
numeric_values_scale (`torch.FloatTensor` of shape `(batch_size, seq_length)`):
Scale of the numeric values of every token.
input_mask_float (`torch.FloatTensor` of shape `(batch_size, seq_length)`):
Mask for the table, without question tokens and table headers.
logits_aggregation (`torch.FloatTensor` of shape `(batch_size, num_aggregation_labels)`):
Logits per aggregation operation.
config ([`TapasConfig`]):
Model configuration class with all the parameters of the model
Returns:
per_example_answer_loss_scaled (`torch.FloatTensor` of shape `(batch_size,)`): Scales answer loss for each
example in the batch. large_answer_loss_mask (`torch.FloatTensor` of shape `(batch_size,)`): A mask which is 1
for examples for which their answer loss is larger than the answer_loss_cutoff.
"""
# float32 (batch_size,)
expected_result = _calculate_expected_result(
dist_per_cell, numeric_values, numeric_values_scale, input_mask_float, logits_aggregation, config
)
# float32 (batch_size,)
answer_masked = torch.where(torch.isnan(answer), torch.zeros_like(answer), answer)
if config.use_normalized_answer_loss:
normalizer = (torch.max(torch.abs(expected_result), torch.abs(answer_masked)) + EPSILON_ZERO_DIVISION).detach()
normalized_answer_masked = answer_masked / normalizer
normalized_expected_result = expected_result / normalizer
per_example_answer_loss = huber_loss(
normalized_expected_result * aggregate_mask, normalized_answer_masked * aggregate_mask
)
else:
per_example_answer_loss = huber_loss(
expected_result * aggregate_mask, answer_masked * aggregate_mask, delta=config.huber_loss_delta
)
if config.answer_loss_cutoff is None:
large_answer_loss_mask = torch.ones_like(per_example_answer_loss, dtype=torch.float32)
else:
large_answer_loss_mask = torch.where(
per_example_answer_loss > config.answer_loss_cutoff,
torch.zeros_like(per_example_answer_loss, dtype=torch.float32),
torch.ones_like(per_example_answer_loss, dtype=torch.float32),
)
per_example_answer_loss_scaled = config.answer_loss_importance * (per_example_answer_loss * aggregate_mask)
return per_example_answer_loss_scaled, large_answer_loss_mask | Calculates the regression loss per example. Args: answer (`torch.FloatTensor` of shape `(batch_size,)`): Answer for every example in the batch. Nan if there is no scalar answer. aggregate_mask (`torch.FloatTensor` of shape `(batch_size,)`): A mask set to 1 for examples that should use aggregation functions. dist_per_cell (`torch.distributions.Bernoulli`): Cell selection distribution for each cell. numeric_values (`torch.FloatTensor` of shape `(batch_size, seq_length)`): Numeric values of every token. Nan for tokens which are not numeric values. numeric_values_scale (`torch.FloatTensor` of shape `(batch_size, seq_length)`): Scale of the numeric values of every token. input_mask_float (`torch.FloatTensor` of shape `(batch_size, seq_length)`): Mask for the table, without question tokens and table headers. logits_aggregation (`torch.FloatTensor` of shape `(batch_size, num_aggregation_labels)`): Logits per aggregation operation. config ([`TapasConfig`]): Model configuration class with all the parameters of the model Returns: per_example_answer_loss_scaled (`torch.FloatTensor` of shape `(batch_size,)`): Scales answer loss for each example in the batch. large_answer_loss_mask (`torch.FloatTensor` of shape `(batch_size,)`): A mask which is 1 for examples for which their answer loss is larger than the answer_loss_cutoff. |
11,290 | import argparse
from transformers import (
TapasConfig,
TapasForMaskedLM,
TapasForQuestionAnswering,
TapasForSequenceClassification,
TapasModel,
TapasTokenizer,
load_tf_weights_in_tapas,
)
from transformers.utils import logging
def convert_tf_checkpoint_to_pytorch(
task, reset_position_index_per_cell, tf_checkpoint_path, tapas_config_file, pytorch_dump_path
):
# Initialise PyTorch model.
# If you want to convert a checkpoint that uses absolute position embeddings, make sure to set reset_position_index_per_cell of
# TapasConfig to False.
# initialize configuration from json file
config = TapasConfig.from_json_file(tapas_config_file)
# set absolute/relative position embeddings parameter
config.reset_position_index_per_cell = reset_position_index_per_cell
# set remaining parameters of TapasConfig as well as the model based on the task
if task == "SQA":
model = TapasForQuestionAnswering(config=config)
elif task == "WTQ":
# run_task_main.py hparams
config.num_aggregation_labels = 4
config.use_answer_as_supervision = True
# hparam_utils.py hparams
config.answer_loss_cutoff = 0.664694
config.cell_selection_preference = 0.207951
config.huber_loss_delta = 0.121194
config.init_cell_selection_weights_to_zero = True
config.select_one_column = True
config.allow_empty_column_selection = False
config.temperature = 0.0352513
model = TapasForQuestionAnswering(config=config)
elif task == "WIKISQL_SUPERVISED":
# run_task_main.py hparams
config.num_aggregation_labels = 4
config.use_answer_as_supervision = False
# hparam_utils.py hparams
config.answer_loss_cutoff = 36.4519
config.cell_selection_preference = 0.903421
config.huber_loss_delta = 222.088
config.init_cell_selection_weights_to_zero = True
config.select_one_column = True
config.allow_empty_column_selection = True
config.temperature = 0.763141
model = TapasForQuestionAnswering(config=config)
elif task == "TABFACT":
model = TapasForSequenceClassification(config=config)
elif task == "MLM":
model = TapasForMaskedLM(config=config)
elif task == "INTERMEDIATE_PRETRAINING":
model = TapasModel(config=config)
else:
raise ValueError(f"Task {task} not supported.")
print(f"Building PyTorch model from configuration: {config}")
# Load weights from tf checkpoint
load_tf_weights_in_tapas(model, config, tf_checkpoint_path)
# Save pytorch-model (weights and configuration)
print(f"Save PyTorch model to {pytorch_dump_path}")
model.save_pretrained(pytorch_dump_path)
# Save tokenizer files
print(f"Save tokenizer files to {pytorch_dump_path}")
tokenizer = TapasTokenizer(vocab_file=tf_checkpoint_path[:-10] + "vocab.txt", model_max_length=512)
tokenizer.save_pretrained(pytorch_dump_path)
print("Used relative position embeddings:", model.config.reset_position_index_per_cell) | null |
11,291 | import copy
import math
import random
from typing import List, Optional, Tuple, Union
import numpy as np
import torch
from torch import nn
from torch.nn import BCEWithLogitsLoss, CrossEntropyLoss, MSELoss
from ...activations import ACT2FN
from ...modeling_outputs import (
BaseModelOutput,
BaseModelOutputWithPastAndCrossAttentions,
CausalLMOutputWithCrossAttentions,
Seq2SeqLMOutput,
Seq2SeqModelOutput,
Seq2SeqQuestionAnsweringModelOutput,
Seq2SeqSequenceClassifierOutput,
)
from ...modeling_utils import PreTrainedModel
from ...utils import (
add_code_sample_docstrings,
add_end_docstrings,
add_start_docstrings,
add_start_docstrings_to_model_forward,
logging,
replace_return_docstrings,
)
from .configuration_bigbird_pegasus import BigBirdPegasusConfig
The provided code snippet includes necessary dependencies for implementing the `shift_tokens_right` function. Write a Python function `def shift_tokens_right(input_ids: torch.Tensor, pad_token_id: int, decoder_start_token_id: int)` to solve the following problem:
Shift input ids one token to the right.
Here is the function:
def shift_tokens_right(input_ids: torch.Tensor, pad_token_id: int, decoder_start_token_id: int):
"""
Shift input ids one token to the right.
"""
shifted_input_ids = input_ids.new_zeros(input_ids.shape)
shifted_input_ids[:, 1:] = input_ids[:, :-1].clone()
shifted_input_ids[:, 0] = decoder_start_token_id
if pad_token_id is None:
raise ValueError("self.model.config.pad_token_id has to be defined.")
# replace possible -100 values in labels by `pad_token_id`
shifted_input_ids.masked_fill_(shifted_input_ids == -100, pad_token_id)
return shifted_input_ids | Shift input ids one token to the right. |
11,292 | import copy
import math
import random
from typing import List, Optional, Tuple, Union
import numpy as np
import torch
from torch import nn
from torch.nn import BCEWithLogitsLoss, CrossEntropyLoss, MSELoss
from ...activations import ACT2FN
from ...modeling_outputs import (
BaseModelOutput,
BaseModelOutputWithPastAndCrossAttentions,
CausalLMOutputWithCrossAttentions,
Seq2SeqLMOutput,
Seq2SeqModelOutput,
Seq2SeqQuestionAnsweringModelOutput,
Seq2SeqSequenceClassifierOutput,
)
from ...modeling_utils import PreTrainedModel
from ...utils import (
add_code_sample_docstrings,
add_end_docstrings,
add_start_docstrings,
add_start_docstrings_to_model_forward,
logging,
replace_return_docstrings,
)
from .configuration_bigbird_pegasus import BigBirdPegasusConfig
The provided code snippet includes necessary dependencies for implementing the `_make_causal_mask` function. Write a Python function `def _make_causal_mask(input_ids_shape: torch.Size, dtype: torch.dtype, past_key_values_length: int = 0)` to solve the following problem:
Make causal mask used for bi-directional self-attention.
Here is the function:
def _make_causal_mask(input_ids_shape: torch.Size, dtype: torch.dtype, past_key_values_length: int = 0):
"""
Make causal mask used for bi-directional self-attention.
"""
bsz, tgt_len = input_ids_shape
mask = torch.full((tgt_len, tgt_len), torch.tensor(torch.finfo(dtype).min))
mask_cond = torch.arange(mask.size(-1))
mask.masked_fill_(mask_cond < (mask_cond + 1).view(mask.size(-1), 1), 0)
mask = mask.to(dtype)
if past_key_values_length > 0:
mask = torch.cat([torch.zeros(tgt_len, past_key_values_length, dtype=dtype), mask], dim=-1)
return mask[None, None, :, :].expand(bsz, 1, tgt_len, tgt_len + past_key_values_length) | Make causal mask used for bi-directional self-attention. |
11,293 | import copy
import math
import random
from typing import List, Optional, Tuple, Union
import numpy as np
import torch
from torch import nn
from torch.nn import BCEWithLogitsLoss, CrossEntropyLoss, MSELoss
from ...activations import ACT2FN
from ...modeling_outputs import (
BaseModelOutput,
BaseModelOutputWithPastAndCrossAttentions,
CausalLMOutputWithCrossAttentions,
Seq2SeqLMOutput,
Seq2SeqModelOutput,
Seq2SeqQuestionAnsweringModelOutput,
Seq2SeqSequenceClassifierOutput,
)
from ...modeling_utils import PreTrainedModel
from ...utils import (
add_code_sample_docstrings,
add_end_docstrings,
add_start_docstrings,
add_start_docstrings_to_model_forward,
logging,
replace_return_docstrings,
)
from .configuration_bigbird_pegasus import BigBirdPegasusConfig
The provided code snippet includes necessary dependencies for implementing the `_expand_mask` function. Write a Python function `def _expand_mask(mask: torch.Tensor, dtype: torch.dtype, tgt_len: Optional[int] = None)` to solve the following problem:
Expands attention_mask from `[bsz, seq_len]` to `[bsz, 1, tgt_seq_len, src_seq_len]`.
Here is the function:
def _expand_mask(mask: torch.Tensor, dtype: torch.dtype, tgt_len: Optional[int] = None):
"""
Expands attention_mask from `[bsz, seq_len]` to `[bsz, 1, tgt_seq_len, src_seq_len]`.
"""
bsz, src_len = mask.size()
tgt_len = tgt_len if tgt_len is not None else src_len
expanded_mask = mask[:, None, None, :].expand(bsz, 1, tgt_len, src_len).to(dtype)
inverted_mask = 1.0 - expanded_mask
return inverted_mask.masked_fill(inverted_mask.bool(), torch.finfo(dtype).min) | Expands attention_mask from `[bsz, seq_len]` to `[bsz, 1, tgt_seq_len, src_seq_len]`. |
11,294 | import argparse
from typing import Dict
import tensorflow as tf
import torch
from tqdm import tqdm
from transformers import BigBirdPegasusConfig, BigBirdPegasusForConditionalGeneration
def convert_bigbird_pegasus(tf_weights: dict, config_update: dict) -> BigBirdPegasusForConditionalGeneration:
cfg = BigBirdPegasusConfig(**config_update)
torch_model = BigBirdPegasusForConditionalGeneration(cfg)
state_dict = torch_model.state_dict()
mapping = {}
# separating decoder weights
decoder_weights = {k: tf_weights[k] for k in tf_weights if k.startswith("pegasus/decoder")}
remaining_weights = {k: tf_weights[k] for k in tf_weights if not k.startswith("pegasus/decoder")}
for k, v in tqdm(decoder_weights.items(), "tf -> hf conversion"):
conditions = [k.endswith(ending) for ending in KEYS_TO_IGNORE]
if any(conditions):
continue
patterns = DECODER_PATTERNS
new_k = rename_state_dict_key(k, patterns)
if new_k not in state_dict:
raise ValueError(f"could not find new key {new_k} in state dict. (converted from {k})")
if any([True if i in k else False for i in ["dense", "query", "key", "value"]]):
v = v.T
mapping[new_k] = torch.from_numpy(v)
assert v.shape == state_dict[new_k].shape, f"{new_k}, {k}, {v.shape}, {state_dict[new_k].shape}"
for k, v in tqdm(remaining_weights.items(), "tf -> hf conversion"):
conditions = [k.endswith(ending) for ending in KEYS_TO_IGNORE]
if any(conditions):
continue
patterns = REMAINING_PATTERNS
new_k = rename_state_dict_key(k, patterns)
if new_k not in state_dict and k != "pegasus/embeddings/position_embeddings":
raise ValueError(f"could not find new key {new_k} in state dict. (converted from {k})")
if any([True if i in k else False for i in ["dense", "query", "key", "value"]]):
v = v.T
mapping[new_k] = torch.from_numpy(v)
if k != "pegasus/embeddings/position_embeddings":
assert v.shape == state_dict[new_k].shape, f"{new_k}, {k}, {v.shape}, {state_dict[new_k].shape}"
mapping["model.encoder.embed_positions.weight"] = mapping["model.embed_positions.weight"]
mapping["model.decoder.embed_positions.weight"] = mapping.pop("model.embed_positions.weight")
missing, extra = torch_model.load_state_dict(mapping, strict=False)
unexpected_missing = [
k
for k in missing
if k
not in [
"final_logits_bias",
"model.encoder.embed_tokens.weight",
"model.decoder.embed_tokens.weight",
"lm_head.weight",
]
]
assert unexpected_missing == [], f"no matches found for the following torch keys {unexpected_missing}"
assert extra == [], f"no matches found for the following tf keys {extra}"
return torch_model
def get_tf_weights_as_numpy(path) -> Dict:
init_vars = tf.train.list_variables(path)
tf_weights = {}
ignore_name = ["global_step"]
for name, shape in tqdm(init_vars, desc="converting tf checkpoint to dict"):
skip_key = any([pat in name for pat in ignore_name])
if skip_key:
continue
array = tf.train.load_variable(path, name)
tf_weights[name] = array
return tf_weights
def convert_bigbird_pegasus_ckpt_to_pytorch(ckpt_path: str, save_dir: str, config_update: dict):
tf_weights = get_tf_weights_as_numpy(ckpt_path)
torch_model = convert_bigbird_pegasus(tf_weights, config_update)
torch_model.save_pretrained(save_dir) | null |
11,297 | import argparse
import json
import os
import torch
from transformers import LukeConfig, LukeModel, LukeTokenizer, RobertaTokenizer
from transformers.tokenization_utils_base import AddedToken
def load_entity_vocab(entity_vocab_path):
entity_vocab = {}
with open(entity_vocab_path, "r", encoding="utf-8") as f:
for index, line in enumerate(f):
title, _ = line.rstrip().split("\t")
entity_vocab[title] = index
return entity_vocab
def convert_luke_checkpoint(checkpoint_path, metadata_path, entity_vocab_path, pytorch_dump_folder_path, model_size):
# Load configuration defined in the metadata file
with open(metadata_path) as metadata_file:
metadata = json.load(metadata_file)
config = LukeConfig(use_entity_aware_attention=True, **metadata["model_config"])
# Load in the weights from the checkpoint_path
state_dict = torch.load(checkpoint_path, map_location="cpu")
# Load the entity vocab file
entity_vocab = load_entity_vocab(entity_vocab_path)
tokenizer = RobertaTokenizer.from_pretrained(metadata["model_config"]["bert_model_name"])
# Add special tokens to the token vocabulary for downstream tasks
entity_token_1 = AddedToken("<ent>", lstrip=False, rstrip=False)
entity_token_2 = AddedToken("<ent2>", lstrip=False, rstrip=False)
tokenizer.add_special_tokens(dict(additional_special_tokens=[entity_token_1, entity_token_2]))
config.vocab_size += 2
print(f"Saving tokenizer to {pytorch_dump_folder_path}")
tokenizer.save_pretrained(pytorch_dump_folder_path)
with open(os.path.join(pytorch_dump_folder_path, LukeTokenizer.vocab_files_names["entity_vocab_file"]), "w") as f:
json.dump(entity_vocab, f)
tokenizer = LukeTokenizer.from_pretrained(pytorch_dump_folder_path)
# Initialize the embeddings of the special tokens
word_emb = state_dict["embeddings.word_embeddings.weight"]
ent_emb = word_emb[tokenizer.convert_tokens_to_ids(["@"])[0]].unsqueeze(0)
ent2_emb = word_emb[tokenizer.convert_tokens_to_ids(["#"])[0]].unsqueeze(0)
state_dict["embeddings.word_embeddings.weight"] = torch.cat([word_emb, ent_emb, ent2_emb])
# Initialize the query layers of the entity-aware self-attention mechanism
for layer_index in range(config.num_hidden_layers):
for matrix_name in ["query.weight", "query.bias"]:
prefix = f"encoder.layer.{layer_index}.attention.self."
state_dict[prefix + "w2e_" + matrix_name] = state_dict[prefix + matrix_name]
state_dict[prefix + "e2w_" + matrix_name] = state_dict[prefix + matrix_name]
state_dict[prefix + "e2e_" + matrix_name] = state_dict[prefix + matrix_name]
# Initialize the embedding of the [MASK2] entity using that of the [MASK] entity for downstream tasks
entity_emb = state_dict["entity_embeddings.entity_embeddings.weight"]
entity_emb[entity_vocab["[MASK2]"]] = entity_emb[entity_vocab["[MASK]"]]
model = LukeModel(config=config).eval()
missing_keys, unexpected_keys = model.load_state_dict(state_dict, strict=False)
if not (len(missing_keys) == 1 and missing_keys[0] == "embeddings.position_ids"):
raise ValueError(f"Missing keys {', '.join(missing_keys)}. Expected only missing embeddings.position_ids")
if not (all(key.startswith("entity_predictions") or key.startswith("lm_head") for key in unexpected_keys)):
raise ValueError(
"Unexpected keys"
f" {', '.join([key for key in unexpected_keys if not (key.startswith('entity_predictions') or key.startswith('lm_head'))])}"
)
# Check outputs
tokenizer = LukeTokenizer.from_pretrained(pytorch_dump_folder_path, task="entity_classification")
text = (
"Top seed Ana Ivanovic said on Thursday she could hardly believe her luck as a fortuitous netcord helped the"
" new world number one avoid a humiliating second- round exit at Wimbledon ."
)
span = (39, 42)
encoding = tokenizer(text, entity_spans=[span], add_prefix_space=True, return_tensors="pt")
outputs = model(**encoding)
# Verify word hidden states
if model_size == "large":
expected_shape = torch.Size((1, 42, 1024))
expected_slice = torch.tensor(
[[0.0133, 0.0865, 0.0095], [0.3093, -0.2576, -0.7418], [-0.1720, -0.2117, -0.2869]]
)
else: # base
expected_shape = torch.Size((1, 42, 768))
expected_slice = torch.tensor([[0.0037, 0.1368, -0.0091], [0.1099, 0.3329, -0.1095], [0.0765, 0.5335, 0.1179]])
if not (outputs.last_hidden_state.shape == expected_shape):
raise ValueError(
f"Outputs.last_hidden_state.shape is {outputs.last_hidden_state.shape}, Expected shape is {expected_shape}"
)
if not torch.allclose(outputs.last_hidden_state[0, :3, :3], expected_slice, atol=1e-4):
raise ValueError
# Verify entity hidden states
if model_size == "large":
expected_shape = torch.Size((1, 1, 1024))
expected_slice = torch.tensor([[0.0466, -0.0106, -0.0179]])
else: # base
expected_shape = torch.Size((1, 1, 768))
expected_slice = torch.tensor([[0.1457, 0.1044, 0.0174]])
if not (outputs.entity_last_hidden_state.shape != expected_shape):
raise ValueError(
f"Outputs.entity_last_hidden_state.shape is {outputs.entity_last_hidden_state.shape}, Expected shape is"
f" {expected_shape}"
)
if not torch.allclose(outputs.entity_last_hidden_state[0, :3, :3], expected_slice, atol=1e-4):
raise ValueError
# Finally, save our PyTorch model and tokenizer
print("Saving PyTorch model to {}".format(pytorch_dump_folder_path))
model.save_pretrained(pytorch_dump_folder_path) | null |
11,298 | import math
from dataclasses import dataclass
from typing import Optional, Tuple, Union
import torch
import torch.utils.checkpoint
from torch import nn
from torch.nn import BCEWithLogitsLoss, CrossEntropyLoss, MSELoss
from ...activations import ACT2FN, gelu
from ...modeling_outputs import BaseModelOutput, BaseModelOutputWithPooling
from ...modeling_utils import PreTrainedModel
from ...pytorch_utils import apply_chunking_to_forward
from ...utils import (
ModelOutput,
add_code_sample_docstrings,
add_start_docstrings,
add_start_docstrings_to_model_forward,
logging,
replace_return_docstrings,
)
from .configuration_luke import LukeConfig
The provided code snippet includes necessary dependencies for implementing the `create_position_ids_from_input_ids` function. Write a Python function `def create_position_ids_from_input_ids(input_ids, padding_idx)` to solve the following problem:
Replace non-padding symbols with their position numbers. Position numbers begin at padding_idx+1. Padding symbols are ignored. This is modified from fairseq's `utils.make_positions`. Args: x: torch.Tensor x: Returns: torch.Tensor
Here is the function:
def create_position_ids_from_input_ids(input_ids, padding_idx):
"""
Replace non-padding symbols with their position numbers. Position numbers begin at padding_idx+1. Padding symbols
are ignored. This is modified from fairseq's `utils.make_positions`.
Args:
x: torch.Tensor x:
Returns: torch.Tensor
"""
# The series of casts and type-conversions here are carefully balanced to both work with ONNX export and XLA.
mask = input_ids.ne(padding_idx).int()
incremental_indices = (torch.cumsum(mask, dim=1).type_as(mask)) * mask
return incremental_indices.long() + padding_idx | Replace non-padding symbols with their position numbers. Position numbers begin at padding_idx+1. Padding symbols are ignored. This is modified from fairseq's `utils.make_positions`. Args: x: torch.Tensor x: Returns: torch.Tensor |
11,299 | from typing import Dict, Optional, Tuple, Union
import numpy as np
import tensorflow as tf
from ...activations_tf import get_tf_activation
from ...modeling_tf_outputs import (
TFBaseModelOutput,
TFMaskedLMOutput,
TFQuestionAnsweringModelOutput,
TFSequenceClassifierOutput,
TFTokenClassifierOutput,
)
from ...modeling_tf_utils import (
TFMaskedLanguageModelingLoss,
TFModelInputType,
TFPreTrainedModel,
TFQuestionAnsweringLoss,
TFSequenceClassificationLoss,
TFTokenClassificationLoss,
get_initializer,
unpack_inputs,
)
from ...tf_utils import shape_list, stable_softmax
from ...utils import add_code_sample_docstrings, add_start_docstrings, add_start_docstrings_to_model_forward, logging
from .configuration_deberta_v2 import DebertaV2Config
def make_log_bucket_position(relative_pos, bucket_size, max_position):
sign = tf.math.sign(relative_pos)
mid = bucket_size // 2
abs_pos = tf.where((relative_pos < mid) & (relative_pos > -mid), mid - 1, tf.math.abs(relative_pos))
log_pos = (
tf.math.ceil(
tf.cast(tf.math.log(abs_pos / mid), tf.float32) / tf.math.log((max_position - 1) / mid) * (mid - 1)
)
+ mid
)
bucket_pos = tf.cast(
tf.where(abs_pos <= mid, tf.cast(relative_pos, tf.float32), log_pos * tf.cast(sign, tf.float32)), tf.int32
)
return bucket_pos
def shape_list(tensor: Union[tf.Tensor, np.ndarray]) -> List[int]:
"""
Deal with dynamic shape in tensorflow cleanly.
Args:
tensor (`tf.Tensor` or `np.ndarray`): The tensor we want the shape of.
Returns:
`List[int]`: The shape of the tensor as a list.
"""
if isinstance(tensor, np.ndarray):
return list(tensor.shape)
dynamic = tf.shape(tensor)
if tensor.shape == tf.TensorShape(None):
return dynamic
static = tensor.shape.as_list()
return [dynamic[i] if s is None else s for i, s in enumerate(static)]
The provided code snippet includes necessary dependencies for implementing the `build_relative_position` function. Write a Python function `def build_relative_position(query_size, key_size, bucket_size=-1, max_position=-1)` to solve the following problem:
Build relative position according to the query and key We assume the absolute position of query \\(P_q\\) is range from (0, query_size) and the absolute position of key \\(P_k\\) is range from (0, key_size), The relative positions from query to key is \\(R_{q \\rightarrow k} = P_q - P_k\\) Args: query_size (int): the length of query key_size (int): the length of key bucket_size (int): the size of position bucket max_position (int): the maximum allowed absolute position Return: `tf.Tensor`: A tensor with shape [1, query_size, key_size]
Here is the function:
def build_relative_position(query_size, key_size, bucket_size=-1, max_position=-1):
"""
Build relative position according to the query and key
We assume the absolute position of query \\(P_q\\) is range from (0, query_size) and the absolute position of key
\\(P_k\\) is range from (0, key_size), The relative positions from query to key is \\(R_{q \\rightarrow k} = P_q -
P_k\\)
Args:
query_size (int): the length of query
key_size (int): the length of key
bucket_size (int): the size of position bucket
max_position (int): the maximum allowed absolute position
Return:
`tf.Tensor`: A tensor with shape [1, query_size, key_size]
"""
q_ids = tf.range(query_size, dtype=tf.int32)
k_ids = tf.range(key_size, dtype=tf.int32)
rel_pos_ids = q_ids[:, None] - tf.tile(tf.expand_dims(k_ids, axis=0), [shape_list(q_ids)[0], 1])
if bucket_size > 0 and max_position > 0:
rel_pos_ids = make_log_bucket_position(rel_pos_ids, bucket_size, max_position)
rel_pos_ids = rel_pos_ids[:query_size, :]
rel_pos_ids = tf.expand_dims(rel_pos_ids, axis=0)
return tf.cast(rel_pos_ids, tf.int64) | Build relative position according to the query and key We assume the absolute position of query \\(P_q\\) is range from (0, query_size) and the absolute position of key \\(P_k\\) is range from (0, key_size), The relative positions from query to key is \\(R_{q \\rightarrow k} = P_q - P_k\\) Args: query_size (int): the length of query key_size (int): the length of key bucket_size (int): the size of position bucket max_position (int): the maximum allowed absolute position Return: `tf.Tensor`: A tensor with shape [1, query_size, key_size] |
11,300 | from typing import Dict, Optional, Tuple, Union
import numpy as np
import tensorflow as tf
from ...activations_tf import get_tf_activation
from ...modeling_tf_outputs import (
TFBaseModelOutput,
TFMaskedLMOutput,
TFQuestionAnsweringModelOutput,
TFSequenceClassifierOutput,
TFTokenClassifierOutput,
)
from ...modeling_tf_utils import (
TFMaskedLanguageModelingLoss,
TFModelInputType,
TFPreTrainedModel,
TFQuestionAnsweringLoss,
TFSequenceClassificationLoss,
TFTokenClassificationLoss,
get_initializer,
unpack_inputs,
)
from ...tf_utils import shape_list, stable_softmax
from ...utils import add_code_sample_docstrings, add_start_docstrings, add_start_docstrings_to_model_forward, logging
from .configuration_deberta_v2 import DebertaV2Config
def shape_list(tensor: Union[tf.Tensor, np.ndarray]) -> List[int]:
"""
Deal with dynamic shape in tensorflow cleanly.
Args:
tensor (`tf.Tensor` or `np.ndarray`): The tensor we want the shape of.
Returns:
`List[int]`: The shape of the tensor as a list.
"""
if isinstance(tensor, np.ndarray):
return list(tensor.shape)
dynamic = tf.shape(tensor)
if tensor.shape == tf.TensorShape(None):
return dynamic
static = tensor.shape.as_list()
return [dynamic[i] if s is None else s for i, s in enumerate(static)]
def c2p_dynamic_expand(c2p_pos, query_layer, relative_pos):
shapes = [
shape_list(query_layer)[0],
shape_list(query_layer)[1],
shape_list(query_layer)[2],
shape_list(relative_pos)[-1],
]
return tf.broadcast_to(c2p_pos, shapes) | null |
11,301 | from typing import Dict, Optional, Tuple, Union
import numpy as np
import tensorflow as tf
from ...activations_tf import get_tf_activation
from ...modeling_tf_outputs import (
TFBaseModelOutput,
TFMaskedLMOutput,
TFQuestionAnsweringModelOutput,
TFSequenceClassifierOutput,
TFTokenClassifierOutput,
)
from ...modeling_tf_utils import (
TFMaskedLanguageModelingLoss,
TFModelInputType,
TFPreTrainedModel,
TFQuestionAnsweringLoss,
TFSequenceClassificationLoss,
TFTokenClassificationLoss,
get_initializer,
unpack_inputs,
)
from ...tf_utils import shape_list, stable_softmax
from ...utils import add_code_sample_docstrings, add_start_docstrings, add_start_docstrings_to_model_forward, logging
from .configuration_deberta_v2 import DebertaV2Config
def shape_list(tensor: Union[tf.Tensor, np.ndarray]) -> List[int]:
"""
Deal with dynamic shape in tensorflow cleanly.
Args:
tensor (`tf.Tensor` or `np.ndarray`): The tensor we want the shape of.
Returns:
`List[int]`: The shape of the tensor as a list.
"""
if isinstance(tensor, np.ndarray):
return list(tensor.shape)
dynamic = tf.shape(tensor)
if tensor.shape == tf.TensorShape(None):
return dynamic
static = tensor.shape.as_list()
return [dynamic[i] if s is None else s for i, s in enumerate(static)]
def p2c_dynamic_expand(c2p_pos, query_layer, key_layer):
shapes = [
shape_list(query_layer)[0],
shape_list(query_layer)[1],
shape_list(key_layer)[-2],
shape_list(key_layer)[-2],
]
return tf.broadcast_to(c2p_pos, shapes) | null |
11,302 | from typing import Dict, Optional, Tuple, Union
import numpy as np
import tensorflow as tf
from ...activations_tf import get_tf_activation
from ...modeling_tf_outputs import (
TFBaseModelOutput,
TFMaskedLMOutput,
TFQuestionAnsweringModelOutput,
TFSequenceClassifierOutput,
TFTokenClassifierOutput,
)
from ...modeling_tf_utils import (
TFMaskedLanguageModelingLoss,
TFModelInputType,
TFPreTrainedModel,
TFQuestionAnsweringLoss,
TFSequenceClassificationLoss,
TFTokenClassificationLoss,
get_initializer,
unpack_inputs,
)
from ...tf_utils import shape_list, stable_softmax
from ...utils import add_code_sample_docstrings, add_start_docstrings, add_start_docstrings_to_model_forward, logging
from .configuration_deberta_v2 import DebertaV2Config
def shape_list(tensor: Union[tf.Tensor, np.ndarray]) -> List[int]:
"""
Deal with dynamic shape in tensorflow cleanly.
Args:
tensor (`tf.Tensor` or `np.ndarray`): The tensor we want the shape of.
Returns:
`List[int]`: The shape of the tensor as a list.
"""
if isinstance(tensor, np.ndarray):
return list(tensor.shape)
dynamic = tf.shape(tensor)
if tensor.shape == tf.TensorShape(None):
return dynamic
static = tensor.shape.as_list()
return [dynamic[i] if s is None else s for i, s in enumerate(static)]
def pos_dynamic_expand(pos_index, p2c_att, key_layer):
shapes = shape_list(p2c_att)[:2] + [shape_list(pos_index)[-2], shape_list(key_layer)[-2]]
return tf.broadcast_to(pos_index, shapes) | null |
11,303 | from typing import Dict, Optional, Tuple, Union
import numpy as np
import tensorflow as tf
from ...activations_tf import get_tf_activation
from ...modeling_tf_outputs import (
TFBaseModelOutput,
TFMaskedLMOutput,
TFQuestionAnsweringModelOutput,
TFSequenceClassifierOutput,
TFTokenClassifierOutput,
)
from ...modeling_tf_utils import (
TFMaskedLanguageModelingLoss,
TFModelInputType,
TFPreTrainedModel,
TFQuestionAnsweringLoss,
TFSequenceClassificationLoss,
TFTokenClassificationLoss,
get_initializer,
unpack_inputs,
)
from ...tf_utils import shape_list, stable_softmax
from ...utils import add_code_sample_docstrings, add_start_docstrings, add_start_docstrings_to_model_forward, logging
from .configuration_deberta_v2 import DebertaV2Config
def take_along_axis(x, indices):
# Only a valid port of np.take_along_axis when the gather axis is -1
# TPU + gathers and reshapes don't go along well -- see https://github.com/huggingface/transformers/issues/18239
if isinstance(tf.distribute.get_strategy(), tf.distribute.TPUStrategy):
# [B, S, P] -> [B, S, P, D]
one_hot_indices = tf.one_hot(indices, depth=x.shape[-1], dtype=x.dtype)
# if we ignore the first two dims, this is equivalent to multiplying a matrix (one hot) by a vector (x)
# grossly abusing notation: [B, S, P, D] . [B, S, D] = [B, S, P]
gathered = tf.einsum("ijkl,ijl->ijk", one_hot_indices, x)
# GPUs, on the other hand, prefer gathers instead of large one-hot+matmuls
else:
gathered = tf.gather(x, indices, batch_dims=2)
return gathered | null |
11,304 | import os
import unicodedata
from typing import Any, Dict, List, Optional, Tuple
import sentencepiece as sp
from ...tokenization_utils import PreTrainedTokenizer
The provided code snippet includes necessary dependencies for implementing the `_is_whitespace` function. Write a Python function `def _is_whitespace(char)` to solve the following problem:
Checks whether `chars` is a whitespace character.
Here is the function:
def _is_whitespace(char):
"""Checks whether `chars` is a whitespace character."""
# \t, \n, and \r are technically control characters but we treat them
# as whitespace since they are generally considered as such.
if char == " " or char == "\t" or char == "\n" or char == "\r":
return True
cat = unicodedata.category(char)
if cat == "Zs":
return True
return False | Checks whether `chars` is a whitespace character. |
11,305 | import os
import unicodedata
from typing import Any, Dict, List, Optional, Tuple
import sentencepiece as sp
from ...tokenization_utils import PreTrainedTokenizer
The provided code snippet includes necessary dependencies for implementing the `_is_control` function. Write a Python function `def _is_control(char)` to solve the following problem:
Checks whether `chars` is a control character.
Here is the function:
def _is_control(char):
"""Checks whether `chars` is a control character."""
# These are technically control characters but we count them as whitespace
# characters.
if char == "\t" or char == "\n" or char == "\r":
return False
cat = unicodedata.category(char)
if cat.startswith("C"):
return True
return False | Checks whether `chars` is a control character. |
11,306 | import os
import unicodedata
from typing import Any, Dict, List, Optional, Tuple
import sentencepiece as sp
from ...tokenization_utils import PreTrainedTokenizer
The provided code snippet includes necessary dependencies for implementing the `_is_punctuation` function. Write a Python function `def _is_punctuation(char)` to solve the following problem:
Checks whether `chars` is a punctuation character.
Here is the function:
def _is_punctuation(char):
"""Checks whether `chars` is a punctuation character."""
cp = ord(char)
# We treat all non-letter/number ASCII as punctuation.
# Characters such as "^", "$", and "`" are not in the Unicode
# Punctuation class but we treat them as punctuation anyways, for
# consistency.
if (cp >= 33 and cp <= 47) or (cp >= 58 and cp <= 64) or (cp >= 91 and cp <= 96) or (cp >= 123 and cp <= 126):
return True
cat = unicodedata.category(char)
if cat.startswith("P"):
return True
return False | Checks whether `chars` is a punctuation character. |
11,307 | import os
import unicodedata
from typing import Any, Dict, List, Optional, Tuple
import sentencepiece as sp
from ...tokenization_utils import PreTrainedTokenizer
The provided code snippet includes necessary dependencies for implementing the `convert_to_unicode` function. Write a Python function `def convert_to_unicode(text)` to solve the following problem:
Converts `text` to Unicode (if it's not already), assuming utf-8 input.
Here is the function:
def convert_to_unicode(text):
"""Converts `text` to Unicode (if it's not already), assuming utf-8 input."""
if isinstance(text, str):
return text
elif isinstance(text, bytes):
return text.decode("utf-8", "ignore")
else:
raise ValueError(f"Unsupported string type: {type(text)}") | Converts `text` to Unicode (if it's not already), assuming utf-8 input. |
11,308 | from collections.abc import Sequence
from typing import Optional, Tuple, Union
import torch
import torch.utils.checkpoint
from torch import nn
from torch.nn import BCEWithLogitsLoss, CrossEntropyLoss, LayerNorm, MSELoss
from ...activations import ACT2FN
from ...modeling_outputs import (
BaseModelOutput,
MaskedLMOutput,
MultipleChoiceModelOutput,
QuestionAnsweringModelOutput,
SequenceClassifierOutput,
TokenClassifierOutput,
)
from ...modeling_utils import PreTrainedModel
from ...pytorch_utils import softmax_backward_data
from ...utils import add_code_sample_docstrings, add_start_docstrings, add_start_docstrings_to_model_forward, logging
from .configuration_deberta_v2 import DebertaV2Config
class DropoutContext(object):
def __init__(self):
self.dropout = 0
self.mask = None
self.scale = 1
self.reuse_mask = True
def get_mask(input, local_context):
if not isinstance(local_context, DropoutContext):
dropout = local_context
mask = None
else:
dropout = local_context.dropout
dropout *= local_context.scale
mask = local_context.mask if local_context.reuse_mask else None
if dropout > 0 and mask is None:
mask = (1 - torch.empty_like(input).bernoulli_(1 - dropout)).to(torch.bool)
if isinstance(local_context, DropoutContext):
if local_context.mask is None:
local_context.mask = mask
return mask, dropout | null |
11,309 | from collections.abc import Sequence
from typing import Optional, Tuple, Union
import torch
import torch.utils.checkpoint
from torch import nn
from torch.nn import BCEWithLogitsLoss, CrossEntropyLoss, LayerNorm, MSELoss
from ...activations import ACT2FN
from ...modeling_outputs import (
BaseModelOutput,
MaskedLMOutput,
MultipleChoiceModelOutput,
QuestionAnsweringModelOutput,
SequenceClassifierOutput,
TokenClassifierOutput,
)
from ...modeling_utils import PreTrainedModel
from ...pytorch_utils import softmax_backward_data
from ...utils import add_code_sample_docstrings, add_start_docstrings, add_start_docstrings_to_model_forward, logging
from .configuration_deberta_v2 import DebertaV2Config
def make_log_bucket_position(relative_pos, bucket_size, max_position):
sign = torch.sign(relative_pos)
mid = bucket_size // 2
abs_pos = torch.where(
(relative_pos < mid) & (relative_pos > -mid),
torch.tensor(mid - 1).type_as(relative_pos),
torch.abs(relative_pos),
)
log_pos = (
torch.ceil(torch.log(abs_pos / mid) / torch.log(torch.tensor((max_position - 1) / mid)) * (mid - 1)) + mid
)
bucket_pos = torch.where(abs_pos <= mid, relative_pos.type_as(log_pos), log_pos * sign)
return bucket_pos
The provided code snippet includes necessary dependencies for implementing the `build_relative_position` function. Write a Python function `def build_relative_position(query_size, key_size, bucket_size=-1, max_position=-1)` to solve the following problem:
Build relative position according to the query and key We assume the absolute position of query \\(P_q\\) is range from (0, query_size) and the absolute position of key \\(P_k\\) is range from (0, key_size), The relative positions from query to key is \\(R_{q \\rightarrow k} = P_q - P_k\\) Args: query_size (int): the length of query key_size (int): the length of key bucket_size (int): the size of position bucket max_position (int): the maximum allowed absolute position Return: `torch.LongTensor`: A tensor with shape [1, query_size, key_size]
Here is the function:
def build_relative_position(query_size, key_size, bucket_size=-1, max_position=-1):
"""
Build relative position according to the query and key
We assume the absolute position of query \\(P_q\\) is range from (0, query_size) and the absolute position of key
\\(P_k\\) is range from (0, key_size), The relative positions from query to key is \\(R_{q \\rightarrow k} = P_q -
P_k\\)
Args:
query_size (int): the length of query
key_size (int): the length of key
bucket_size (int): the size of position bucket
max_position (int): the maximum allowed absolute position
Return:
`torch.LongTensor`: A tensor with shape [1, query_size, key_size]
"""
q_ids = torch.arange(0, query_size)
k_ids = torch.arange(0, key_size)
rel_pos_ids = q_ids[:, None] - k_ids[None, :]
if bucket_size > 0 and max_position > 0:
rel_pos_ids = make_log_bucket_position(rel_pos_ids, bucket_size, max_position)
rel_pos_ids = rel_pos_ids.to(torch.long)
rel_pos_ids = rel_pos_ids[:query_size, :]
rel_pos_ids = rel_pos_ids.unsqueeze(0)
return rel_pos_ids | Build relative position according to the query and key We assume the absolute position of query \\(P_q\\) is range from (0, query_size) and the absolute position of key \\(P_k\\) is range from (0, key_size), The relative positions from query to key is \\(R_{q \\rightarrow k} = P_q - P_k\\) Args: query_size (int): the length of query key_size (int): the length of key bucket_size (int): the size of position bucket max_position (int): the maximum allowed absolute position Return: `torch.LongTensor`: A tensor with shape [1, query_size, key_size] |
11,310 | from collections.abc import Sequence
from typing import Optional, Tuple, Union
import torch
import torch.utils.checkpoint
from torch import nn
from torch.nn import BCEWithLogitsLoss, CrossEntropyLoss, LayerNorm, MSELoss
from ...activations import ACT2FN
from ...modeling_outputs import (
BaseModelOutput,
MaskedLMOutput,
MultipleChoiceModelOutput,
QuestionAnsweringModelOutput,
SequenceClassifierOutput,
TokenClassifierOutput,
)
from ...modeling_utils import PreTrainedModel
from ...pytorch_utils import softmax_backward_data
from ...utils import add_code_sample_docstrings, add_start_docstrings, add_start_docstrings_to_model_forward, logging
from .configuration_deberta_v2 import DebertaV2Config
def c2p_dynamic_expand(c2p_pos, query_layer, relative_pos):
return c2p_pos.expand([query_layer.size(0), query_layer.size(1), query_layer.size(2), relative_pos.size(-1)]) | null |
11,311 | from collections.abc import Sequence
from typing import Optional, Tuple, Union
import torch
import torch.utils.checkpoint
from torch import nn
from torch.nn import BCEWithLogitsLoss, CrossEntropyLoss, LayerNorm, MSELoss
from ...activations import ACT2FN
from ...modeling_outputs import (
BaseModelOutput,
MaskedLMOutput,
MultipleChoiceModelOutput,
QuestionAnsweringModelOutput,
SequenceClassifierOutput,
TokenClassifierOutput,
)
from ...modeling_utils import PreTrainedModel
from ...pytorch_utils import softmax_backward_data
from ...utils import add_code_sample_docstrings, add_start_docstrings, add_start_docstrings_to_model_forward, logging
from .configuration_deberta_v2 import DebertaV2Config
def p2c_dynamic_expand(c2p_pos, query_layer, key_layer):
return c2p_pos.expand([query_layer.size(0), query_layer.size(1), key_layer.size(-2), key_layer.size(-2)]) | null |
11,312 | from collections.abc import Sequence
from typing import Optional, Tuple, Union
import torch
import torch.utils.checkpoint
from torch import nn
from torch.nn import BCEWithLogitsLoss, CrossEntropyLoss, LayerNorm, MSELoss
from ...activations import ACT2FN
from ...modeling_outputs import (
BaseModelOutput,
MaskedLMOutput,
MultipleChoiceModelOutput,
QuestionAnsweringModelOutput,
SequenceClassifierOutput,
TokenClassifierOutput,
)
from ...modeling_utils import PreTrainedModel
from ...pytorch_utils import softmax_backward_data
from ...utils import add_code_sample_docstrings, add_start_docstrings, add_start_docstrings_to_model_forward, logging
from .configuration_deberta_v2 import DebertaV2Config
def pos_dynamic_expand(pos_index, p2c_att, key_layer):
return pos_index.expand(p2c_att.size()[:2] + (pos_index.size(-2), key_layer.size(-2))) | null |
11,313 | import math
import random
from typing import Optional, Tuple
import torch
from torch import nn
from torch.nn import CrossEntropyLoss
from ...activations import ACT2FN
from ...modeling_outputs import (
BaseModelOutput,
BaseModelOutputWithPastAndCrossAttentions,
Seq2SeqLMOutput,
Seq2SeqModelOutput,
)
from ...modeling_utils import PreTrainedModel
from ...utils import add_start_docstrings, add_start_docstrings_to_model_forward, logging, replace_return_docstrings
from .configuration_speech_to_text import Speech2TextConfig
The provided code snippet includes necessary dependencies for implementing the `shift_tokens_right` function. Write a Python function `def shift_tokens_right(input_ids: torch.Tensor, pad_token_id: int, decoder_start_token_id: int)` to solve the following problem:
Shift input ids one token to the right.
Here is the function:
def shift_tokens_right(input_ids: torch.Tensor, pad_token_id: int, decoder_start_token_id: int):
"""
Shift input ids one token to the right.
"""
shifted_input_ids = input_ids.new_zeros(input_ids.shape)
shifted_input_ids[:, 1:] = input_ids[:, :-1].clone()
shifted_input_ids[:, 0] = decoder_start_token_id
if pad_token_id is None:
raise ValueError("self.model.config.pad_token_id has to be defined.")
# replace possible -100 values in labels by `pad_token_id`
shifted_input_ids.masked_fill_(shifted_input_ids == -100, pad_token_id)
return shifted_input_ids | Shift input ids one token to the right. |
11,314 | import math
import random
from typing import Optional, Tuple
import torch
from torch import nn
from torch.nn import CrossEntropyLoss
from ...activations import ACT2FN
from ...modeling_outputs import (
BaseModelOutput,
BaseModelOutputWithPastAndCrossAttentions,
Seq2SeqLMOutput,
Seq2SeqModelOutput,
)
from ...modeling_utils import PreTrainedModel
from ...utils import add_start_docstrings, add_start_docstrings_to_model_forward, logging, replace_return_docstrings
from .configuration_speech_to_text import Speech2TextConfig
The provided code snippet includes necessary dependencies for implementing the `_make_causal_mask` function. Write a Python function `def _make_causal_mask(input_ids_shape: torch.Size, dtype: torch.dtype, past_key_values_length: int = 0)` to solve the following problem:
Make causal mask used for bi-directional self-attention.
Here is the function:
def _make_causal_mask(input_ids_shape: torch.Size, dtype: torch.dtype, past_key_values_length: int = 0):
"""
Make causal mask used for bi-directional self-attention.
"""
bsz, tgt_len = input_ids_shape
mask = torch.full((tgt_len, tgt_len), torch.tensor(torch.finfo(dtype).min))
mask_cond = torch.arange(mask.size(-1))
mask.masked_fill_(mask_cond < (mask_cond + 1).view(mask.size(-1), 1), 0)
mask = mask.to(dtype)
if past_key_values_length > 0:
mask = torch.cat([torch.zeros(tgt_len, past_key_values_length, dtype=dtype), mask], dim=-1)
return mask[None, None, :, :].expand(bsz, 1, tgt_len, tgt_len + past_key_values_length) | Make causal mask used for bi-directional self-attention. |
11,315 | import math
import random
from typing import Optional, Tuple
import torch
from torch import nn
from torch.nn import CrossEntropyLoss
from ...activations import ACT2FN
from ...modeling_outputs import (
BaseModelOutput,
BaseModelOutputWithPastAndCrossAttentions,
Seq2SeqLMOutput,
Seq2SeqModelOutput,
)
from ...modeling_utils import PreTrainedModel
from ...utils import add_start_docstrings, add_start_docstrings_to_model_forward, logging, replace_return_docstrings
from .configuration_speech_to_text import Speech2TextConfig
The provided code snippet includes necessary dependencies for implementing the `_expand_mask` function. Write a Python function `def _expand_mask(mask: torch.Tensor, dtype: torch.dtype, tgt_len: Optional[int] = None)` to solve the following problem:
Expands attention_mask from `[bsz, seq_len]` to `[bsz, 1, tgt_seq_len, src_seq_len]`.
Here is the function:
def _expand_mask(mask: torch.Tensor, dtype: torch.dtype, tgt_len: Optional[int] = None):
"""
Expands attention_mask from `[bsz, seq_len]` to `[bsz, 1, tgt_seq_len, src_seq_len]`.
"""
bsz, src_len = mask.size()
tgt_len = tgt_len if tgt_len is not None else src_len
expanded_mask = mask[:, None, None, :].expand(bsz, 1, tgt_len, src_len).to(dtype)
inverted_mask = 1.0 - expanded_mask
return inverted_mask.masked_fill(inverted_mask.to(torch.bool), torch.finfo(dtype).min) | Expands attention_mask from `[bsz, seq_len]` to `[bsz, 1, tgt_seq_len, src_seq_len]`. |
11,316 | import json
import os
from pathlib import Path
from shutil import copyfile
from typing import Any, Dict, List, Optional, Tuple, Union
import sentencepiece
from ...tokenization_utils import PreTrainedTokenizer
from ...utils import logging
def load_spm(path: str, sp_model_kwargs: Dict[str, Any]) -> sentencepiece.SentencePieceProcessor:
spm = sentencepiece.SentencePieceProcessor(**sp_model_kwargs)
spm.Load(str(path))
return spm | null |
11,317 | import json
import os
from pathlib import Path
from shutil import copyfile
from typing import Any, Dict, List, Optional, Tuple, Union
import sentencepiece
from ...tokenization_utils import PreTrainedTokenizer
from ...utils import logging
def load_json(path: str) -> Union[Dict, List]:
with open(path, "r") as f:
return json.load(f) | null |
11,318 | import json
import os
from pathlib import Path
from shutil import copyfile
from typing import Any, Dict, List, Optional, Tuple, Union
import sentencepiece
from ...tokenization_utils import PreTrainedTokenizer
from ...utils import logging
def save_json(data, path: str) -> None:
with open(path, "w") as f:
json.dump(data, f, indent=2) | null |
11,319 | import random
from typing import Dict, Optional, Tuple, Union
import numpy as np
import tensorflow as tf
from ...activations_tf import get_tf_activation, glu
from ...modeling_tf_outputs import (
TFBaseModelOutput,
TFBaseModelOutputWithPastAndCrossAttentions,
TFSeq2SeqLMOutput,
TFSeq2SeqModelOutput,
)
from ...modeling_tf_utils import (
TFCausalLanguageModelingLoss,
TFModelInputType,
TFPreTrainedModel,
TFSharedEmbeddings,
keras_serializable,
unpack_inputs,
)
from ...tf_utils import shape_list, stable_softmax
from ...utils import (
add_code_sample_docstrings,
add_start_docstrings,
add_start_docstrings_to_model_forward,
logging,
replace_return_docstrings,
)
from .configuration_speech_to_text import Speech2TextConfig
def shape_list(tensor: Union[tf.Tensor, np.ndarray]) -> List[int]:
"""
Deal with dynamic shape in tensorflow cleanly.
Args:
tensor (`tf.Tensor` or `np.ndarray`): The tensor we want the shape of.
Returns:
`List[int]`: The shape of the tensor as a list.
"""
if isinstance(tensor, np.ndarray):
return list(tensor.shape)
dynamic = tf.shape(tensor)
if tensor.shape == tf.TensorShape(None):
return dynamic
static = tensor.shape.as_list()
return [dynamic[i] if s is None else s for i, s in enumerate(static)]
def shift_tokens_right(input_ids: tf.Tensor, pad_token_id: int, decoder_start_token_id: int):
pad_token_id = tf.cast(pad_token_id, input_ids.dtype)
decoder_start_token_id = tf.cast(decoder_start_token_id, input_ids.dtype)
start_tokens = tf.fill(
(shape_list(input_ids)[0], 1), tf.convert_to_tensor(decoder_start_token_id, input_ids.dtype)
)
shifted_input_ids = tf.concat([start_tokens, input_ids[:, :-1]], -1)
# replace possible -100 values in labels by `pad_token_id`
shifted_input_ids = tf.where(
shifted_input_ids == -100,
tf.fill(shape_list(shifted_input_ids), tf.convert_to_tensor(pad_token_id, input_ids.dtype)),
shifted_input_ids,
)
# "Verify that `labels` has only positive values and -100"
assert_gte0 = tf.debugging.assert_greater_equal(shifted_input_ids, tf.constant(0, dtype=input_ids.dtype))
# Make sure the assertion op is called by wrapping the result in an identity no-op
with tf.control_dependencies([assert_gte0]):
shifted_input_ids = tf.identity(shifted_input_ids)
return shifted_input_ids | null |
11,320 | import random
from typing import Dict, Optional, Tuple, Union
import numpy as np
import tensorflow as tf
from ...activations_tf import get_tf_activation, glu
from ...modeling_tf_outputs import (
TFBaseModelOutput,
TFBaseModelOutputWithPastAndCrossAttentions,
TFSeq2SeqLMOutput,
TFSeq2SeqModelOutput,
)
from ...modeling_tf_utils import (
TFCausalLanguageModelingLoss,
TFModelInputType,
TFPreTrainedModel,
TFSharedEmbeddings,
keras_serializable,
unpack_inputs,
)
from ...tf_utils import shape_list, stable_softmax
from ...utils import (
add_code_sample_docstrings,
add_start_docstrings,
add_start_docstrings_to_model_forward,
logging,
replace_return_docstrings,
)
from .configuration_speech_to_text import Speech2TextConfig
LARGE_NEGATIVE = -1e8
def shape_list(tensor: Union[tf.Tensor, np.ndarray]) -> List[int]:
"""
Deal with dynamic shape in tensorflow cleanly.
Args:
tensor (`tf.Tensor` or `np.ndarray`): The tensor we want the shape of.
Returns:
`List[int]`: The shape of the tensor as a list.
"""
if isinstance(tensor, np.ndarray):
return list(tensor.shape)
dynamic = tf.shape(tensor)
if tensor.shape == tf.TensorShape(None):
return dynamic
static = tensor.shape.as_list()
return [dynamic[i] if s is None else s for i, s in enumerate(static)]
The provided code snippet includes necessary dependencies for implementing the `_make_causal_mask` function. Write a Python function `def _make_causal_mask(input_ids_shape: tf.TensorShape, past_key_values_length: int = 0)` to solve the following problem:
Make causal mask used for bi-directional self-attention.
Here is the function:
def _make_causal_mask(input_ids_shape: tf.TensorShape, past_key_values_length: int = 0):
"""
Make causal mask used for bi-directional self-attention.
"""
bsz = input_ids_shape[0]
tgt_len = input_ids_shape[1]
mask = tf.ones((tgt_len, tgt_len)) * LARGE_NEGATIVE
mask_cond = tf.range(shape_list(mask)[-1])
mask = tf.where(mask_cond < tf.reshape(mask_cond + 1, (shape_list(mask)[-1], 1)), 0.0, mask)
if past_key_values_length > 0:
mask = tf.concat([tf.zeros((tgt_len, past_key_values_length)), mask], axis=-1)
return tf.tile(mask[None, None, :, :], (bsz, 1, 1, 1)) | Make causal mask used for bi-directional self-attention. |
11,321 | import random
from typing import Dict, Optional, Tuple, Union
import numpy as np
import tensorflow as tf
from ...activations_tf import get_tf_activation, glu
from ...modeling_tf_outputs import (
TFBaseModelOutput,
TFBaseModelOutputWithPastAndCrossAttentions,
TFSeq2SeqLMOutput,
TFSeq2SeqModelOutput,
)
from ...modeling_tf_utils import (
TFCausalLanguageModelingLoss,
TFModelInputType,
TFPreTrainedModel,
TFSharedEmbeddings,
keras_serializable,
unpack_inputs,
)
from ...tf_utils import shape_list, stable_softmax
from ...utils import (
add_code_sample_docstrings,
add_start_docstrings,
add_start_docstrings_to_model_forward,
logging,
replace_return_docstrings,
)
from .configuration_speech_to_text import Speech2TextConfig
LARGE_NEGATIVE = -1e8
def shape_list(tensor: Union[tf.Tensor, np.ndarray]) -> List[int]:
"""
Deal with dynamic shape in tensorflow cleanly.
Args:
tensor (`tf.Tensor` or `np.ndarray`): The tensor we want the shape of.
Returns:
`List[int]`: The shape of the tensor as a list.
"""
if isinstance(tensor, np.ndarray):
return list(tensor.shape)
dynamic = tf.shape(tensor)
if tensor.shape == tf.TensorShape(None):
return dynamic
static = tensor.shape.as_list()
return [dynamic[i] if s is None else s for i, s in enumerate(static)]
The provided code snippet includes necessary dependencies for implementing the `_expand_mask` function. Write a Python function `def _expand_mask(mask: tf.Tensor, tgt_len: Optional[int] = None)` to solve the following problem:
Expands attention_mask from `[bsz, seq_len]` to `[bsz, 1, tgt_seq_len, src_seq_len]`.
Here is the function:
def _expand_mask(mask: tf.Tensor, tgt_len: Optional[int] = None):
"""
Expands attention_mask from `[bsz, seq_len]` to `[bsz, 1, tgt_seq_len, src_seq_len]`.
"""
src_len = shape_list(mask)[1]
tgt_len = tgt_len if tgt_len is not None else src_len
one_cst = tf.constant(1.0)
mask = tf.cast(mask, dtype=one_cst.dtype)
expanded_mask = tf.tile(mask[:, None, None, :], (1, 1, tgt_len, 1))
return (one_cst - expanded_mask) * LARGE_NEGATIVE | Expands attention_mask from `[bsz, seq_len]` to `[bsz, 1, tgt_seq_len, src_seq_len]`. |
11,322 | import argparse
import torch
from torch import nn
from transformers import Speech2TextConfig, Speech2TextForConditionalGeneration
def remove_ignore_keys_(state_dict):
ignore_keys = [
"encoder.version",
"decoder.version",
"model.encoder.version",
"model.decoder.version",
"decoder.output_projection.weight",
"_float_tensor",
"encoder.embed_positions._float_tensor",
"decoder.embed_positions._float_tensor",
]
for k in ignore_keys:
state_dict.pop(k, None)
def rename_keys(s_dict):
keys = list(s_dict.keys())
for key in keys:
if "transformer_layers" in key:
s_dict[key.replace("transformer_layers", "layers")] = s_dict.pop(key)
elif "subsample" in key:
s_dict[key.replace("subsample", "conv")] = s_dict.pop(key)
def make_linear_from_emb(emb):
vocab_size, emb_size = emb.weight.shape
lin_layer = nn.Linear(vocab_size, emb_size, bias=False)
lin_layer.weight.data = emb.weight.data
return lin_layer
def convert_fairseq_s2t_checkpoint_to_tfms(checkpoint_path, pytorch_dump_folder_path):
m2m_100 = torch.load(checkpoint_path, map_location="cpu")
args = m2m_100["args"]
state_dict = m2m_100["model"]
lm_head_weights = state_dict["decoder.output_projection.weight"]
remove_ignore_keys_(state_dict)
rename_keys(state_dict)
vocab_size = state_dict["decoder.embed_tokens.weight"].shape[0]
tie_embeds = args.share_decoder_input_output_embed
conv_kernel_sizes = [int(i) for i in args.conv_kernel_sizes.split(",")]
config = Speech2TextConfig(
vocab_size=vocab_size,
max_source_positions=args.max_source_positions,
max_target_positions=args.max_target_positions,
encoder_layers=args.encoder_layers,
decoder_layers=args.decoder_layers,
encoder_attention_heads=args.encoder_attention_heads,
decoder_attention_heads=args.decoder_attention_heads,
encoder_ffn_dim=args.encoder_ffn_embed_dim,
decoder_ffn_dim=args.decoder_ffn_embed_dim,
d_model=args.encoder_embed_dim,
dropout=args.dropout,
attention_dropout=args.attention_dropout,
activation_dropout=args.activation_dropout,
activation_function="relu",
num_conv_layers=len(conv_kernel_sizes),
conv_channels=args.conv_channels,
conv_kernel_sizes=conv_kernel_sizes,
input_feat_per_channel=args.input_feat_per_channel,
input_channels=args.input_channels,
tie_word_embeddings=tie_embeds,
num_beams=5,
max_length=200,
use_cache=True,
decoder_start_token_id=2,
early_stopping=True,
)
model = Speech2TextForConditionalGeneration(config)
missing, unexpected = model.model.load_state_dict(state_dict, strict=False)
if len(missing) > 0 and not set(missing) <= set(
[
"encoder.embed_positions.weights",
"decoder.embed_positions.weights",
]
):
raise ValueError(
"Only `encoder.embed_positions.weights` and `decoder.embed_positions.weights` are allowed to be missing,"
f" but all the following weights are missing {missing}"
)
if tie_embeds:
model.lm_head = make_linear_from_emb(model.model.decoder.embed_tokens)
else:
model.lm_head.weight.data = lm_head_weights
model.save_pretrained(pytorch_dump_folder_path) | null |
11,323 | import random
from typing import Optional, Tuple, Union
import numpy as np
import tensorflow as tf
from ...activations_tf import get_tf_activation
from ...modeling_tf_outputs import (
TFBaseModelOutput,
TFBaseModelOutputWithPastAndCrossAttentions,
TFSeq2SeqLMOutput,
TFSeq2SeqModelOutput,
)
from ...modeling_tf_utils import (
DUMMY_INPUTS,
TFCausalLanguageModelingLoss,
TFModelInputType,
TFPreTrainedModel,
keras_serializable,
unpack_inputs,
)
from ...tf_utils import shape_list, stable_softmax
from ...utils import (
ContextManagers,
add_code_sample_docstrings,
add_end_docstrings,
add_start_docstrings,
add_start_docstrings_to_model_forward,
logging,
replace_return_docstrings,
)
from .configuration_pegasus import PegasusConfig
def shape_list(tensor: Union[tf.Tensor, np.ndarray]) -> List[int]:
"""
Deal with dynamic shape in tensorflow cleanly.
Args:
tensor (`tf.Tensor` or `np.ndarray`): The tensor we want the shape of.
Returns:
`List[int]`: The shape of the tensor as a list.
"""
if isinstance(tensor, np.ndarray):
return list(tensor.shape)
dynamic = tf.shape(tensor)
if tensor.shape == tf.TensorShape(None):
return dynamic
static = tensor.shape.as_list()
return [dynamic[i] if s is None else s for i, s in enumerate(static)]
def shift_tokens_right(input_ids: tf.Tensor, pad_token_id: int, decoder_start_token_id: int):
pad_token_id = tf.cast(pad_token_id, input_ids.dtype)
decoder_start_token_id = tf.cast(decoder_start_token_id, input_ids.dtype)
start_tokens = tf.fill(
(shape_list(input_ids)[0], 1), tf.convert_to_tensor(decoder_start_token_id, input_ids.dtype)
)
shifted_input_ids = tf.concat([start_tokens, input_ids[:, :-1]], -1)
# replace possible -100 values in labels by `pad_token_id`
shifted_input_ids = tf.where(
shifted_input_ids == -100,
tf.fill(shape_list(shifted_input_ids), tf.convert_to_tensor(pad_token_id, input_ids.dtype)),
shifted_input_ids,
)
# "Verify that `labels` has only positive values and -100"
assert_gte0 = tf.debugging.assert_greater_equal(shifted_input_ids, tf.constant(0, dtype=input_ids.dtype))
# Make sure the assertion op is called by wrapping the result in an identity no-op
with tf.control_dependencies([assert_gte0]):
shifted_input_ids = tf.identity(shifted_input_ids)
return shifted_input_ids | null |
11,324 | import random
from typing import Optional, Tuple, Union
import numpy as np
import tensorflow as tf
from ...activations_tf import get_tf_activation
from ...modeling_tf_outputs import (
TFBaseModelOutput,
TFBaseModelOutputWithPastAndCrossAttentions,
TFSeq2SeqLMOutput,
TFSeq2SeqModelOutput,
)
from ...modeling_tf_utils import (
DUMMY_INPUTS,
TFCausalLanguageModelingLoss,
TFModelInputType,
TFPreTrainedModel,
keras_serializable,
unpack_inputs,
)
from ...tf_utils import shape_list, stable_softmax
from ...utils import (
ContextManagers,
add_code_sample_docstrings,
add_end_docstrings,
add_start_docstrings,
add_start_docstrings_to_model_forward,
logging,
replace_return_docstrings,
)
from .configuration_pegasus import PegasusConfig
LARGE_NEGATIVE = -1e8
def shape_list(tensor: Union[tf.Tensor, np.ndarray]) -> List[int]:
"""
Deal with dynamic shape in tensorflow cleanly.
Args:
tensor (`tf.Tensor` or `np.ndarray`): The tensor we want the shape of.
Returns:
`List[int]`: The shape of the tensor as a list.
"""
if isinstance(tensor, np.ndarray):
return list(tensor.shape)
dynamic = tf.shape(tensor)
if tensor.shape == tf.TensorShape(None):
return dynamic
static = tensor.shape.as_list()
return [dynamic[i] if s is None else s for i, s in enumerate(static)]
The provided code snippet includes necessary dependencies for implementing the `_make_causal_mask` function. Write a Python function `def _make_causal_mask(input_ids_shape: tf.TensorShape, past_key_values_length: int = 0)` to solve the following problem:
Make causal mask used for bi-directional self-attention.
Here is the function:
def _make_causal_mask(input_ids_shape: tf.TensorShape, past_key_values_length: int = 0):
"""
Make causal mask used for bi-directional self-attention.
"""
bsz = input_ids_shape[0]
tgt_len = input_ids_shape[1]
mask = tf.ones((tgt_len, tgt_len)) * LARGE_NEGATIVE
mask_cond = tf.range(shape_list(mask)[-1])
mask = tf.where(mask_cond < tf.reshape(mask_cond + 1, (shape_list(mask)[-1], 1)), 0.0, mask)
if past_key_values_length > 0:
mask = tf.concat([tf.zeros((tgt_len, past_key_values_length)), mask], axis=-1)
return tf.tile(mask[None, None, :, :], (bsz, 1, 1, 1)) | Make causal mask used for bi-directional self-attention. |
11,325 | import random
from typing import Optional, Tuple, Union
import numpy as np
import tensorflow as tf
from ...activations_tf import get_tf_activation
from ...modeling_tf_outputs import (
TFBaseModelOutput,
TFBaseModelOutputWithPastAndCrossAttentions,
TFSeq2SeqLMOutput,
TFSeq2SeqModelOutput,
)
from ...modeling_tf_utils import (
DUMMY_INPUTS,
TFCausalLanguageModelingLoss,
TFModelInputType,
TFPreTrainedModel,
keras_serializable,
unpack_inputs,
)
from ...tf_utils import shape_list, stable_softmax
from ...utils import (
ContextManagers,
add_code_sample_docstrings,
add_end_docstrings,
add_start_docstrings,
add_start_docstrings_to_model_forward,
logging,
replace_return_docstrings,
)
from .configuration_pegasus import PegasusConfig
LARGE_NEGATIVE = -1e8
def shape_list(tensor: Union[tf.Tensor, np.ndarray]) -> List[int]:
"""
Deal with dynamic shape in tensorflow cleanly.
Args:
tensor (`tf.Tensor` or `np.ndarray`): The tensor we want the shape of.
Returns:
`List[int]`: The shape of the tensor as a list.
"""
if isinstance(tensor, np.ndarray):
return list(tensor.shape)
dynamic = tf.shape(tensor)
if tensor.shape == tf.TensorShape(None):
return dynamic
static = tensor.shape.as_list()
return [dynamic[i] if s is None else s for i, s in enumerate(static)]
The provided code snippet includes necessary dependencies for implementing the `_expand_mask` function. Write a Python function `def _expand_mask(mask: tf.Tensor, tgt_len: Optional[int] = None)` to solve the following problem:
Expands attention_mask from `[bsz, seq_len]` to `[bsz, 1, tgt_seq_len, src_seq_len]`.
Here is the function:
def _expand_mask(mask: tf.Tensor, tgt_len: Optional[int] = None):
"""
Expands attention_mask from `[bsz, seq_len]` to `[bsz, 1, tgt_seq_len, src_seq_len]`.
"""
src_len = shape_list(mask)[1]
tgt_len = tgt_len if tgt_len is not None else src_len
one_cst = tf.constant(1.0)
mask = tf.cast(mask, dtype=one_cst.dtype)
expanded_mask = tf.tile(mask[:, None, None, :], (1, 1, tgt_len, 1))
return (one_cst - expanded_mask) * LARGE_NEGATIVE | Expands attention_mask from `[bsz, seq_len]` to `[bsz, 1, tgt_seq_len, src_seq_len]`. |
11,326 | import math
import random
from functools import partial
from typing import Callable, Optional, Tuple
import numpy as np
import flax.linen as nn
import jax
import jax.numpy as jnp
from flax.core.frozen_dict import FrozenDict, freeze, unfreeze
from flax.linen import combine_masks, make_causal_mask
from flax.linen.attention import dot_product_attention_weights
from flax.traverse_util import flatten_dict, unflatten_dict
from jax import lax
from jax.random import PRNGKey
from ...modeling_flax_outputs import (
FlaxBaseModelOutput,
FlaxBaseModelOutputWithPastAndCrossAttentions,
FlaxCausalLMOutputWithCrossAttentions,
FlaxSeq2SeqLMOutput,
FlaxSeq2SeqModelOutput,
)
from ...modeling_flax_utils import (
ACT2FN,
FlaxPreTrainedModel,
add_start_docstrings_to_model_forward,
append_call_sample_docstring,
append_replace_return_docstrings,
overwrite_call_docstring,
)
from ...utils import add_start_docstrings, logging, replace_return_docstrings
from .configuration_pegasus import PegasusConfig
The provided code snippet includes necessary dependencies for implementing the `shift_tokens_right` function. Write a Python function `def shift_tokens_right(input_ids: np.array, pad_token_id: int, decoder_start_token_id: int) -> np.ndarray` to solve the following problem:
Shift input ids one token to the right.
Here is the function:
def shift_tokens_right(input_ids: np.array, pad_token_id: int, decoder_start_token_id: int) -> np.ndarray:
"""
Shift input ids one token to the right.
"""
shifted_input_ids = np.zeros_like(input_ids)
shifted_input_ids[:, 1:] = input_ids[:, :-1]
shifted_input_ids[:, 0] = decoder_start_token_id
shifted_input_ids = np.where(shifted_input_ids == -100, pad_token_id, shifted_input_ids)
return shifted_input_ids | Shift input ids one token to the right. |
11,327 | import math
import random
from functools import partial
from typing import Callable, Optional, Tuple
import numpy as np
import flax.linen as nn
import jax
import jax.numpy as jnp
from flax.core.frozen_dict import FrozenDict, freeze, unfreeze
from flax.linen import combine_masks, make_causal_mask
from flax.linen.attention import dot_product_attention_weights
from flax.traverse_util import flatten_dict, unflatten_dict
from jax import lax
from jax.random import PRNGKey
from ...modeling_flax_outputs import (
FlaxBaseModelOutput,
FlaxBaseModelOutputWithPastAndCrossAttentions,
FlaxCausalLMOutputWithCrossAttentions,
FlaxSeq2SeqLMOutput,
FlaxSeq2SeqModelOutput,
)
from ...modeling_flax_utils import (
ACT2FN,
FlaxPreTrainedModel,
add_start_docstrings_to_model_forward,
append_call_sample_docstring,
append_replace_return_docstrings,
overwrite_call_docstring,
)
from ...utils import add_start_docstrings, logging, replace_return_docstrings
from .configuration_pegasus import PegasusConfig
def create_sinusoidal_positions(n_pos, dim, dtype):
position_enc = np.array([[pos / np.power(10000, 2 * (j // 2) / dim) for j in range(dim)] for pos in range(n_pos)])
sentinel = dim // 2 + dim % 2
out = np.zeros_like(position_enc)
out[:, 0:sentinel] = np.sin(position_enc[:, 0::2])
out[:, sentinel:] = np.cos(position_enc[:, 1::2])
return jnp.array(out) | null |
11,328 | import copy
import math
import random
from typing import List, Optional, Tuple, Union
import numpy as np
import torch
import torch.utils.checkpoint
from torch import nn
from torch.nn import CrossEntropyLoss
from ...activations import ACT2FN
from ...modeling_outputs import (
BaseModelOutput,
BaseModelOutputWithPastAndCrossAttentions,
CausalLMOutputWithCrossAttentions,
Seq2SeqLMOutput,
Seq2SeqModelOutput,
)
from ...modeling_utils import PreTrainedModel
from ...utils import (
add_end_docstrings,
add_start_docstrings,
add_start_docstrings_to_model_forward,
logging,
replace_return_docstrings,
)
from .configuration_pegasus import PegasusConfig
The provided code snippet includes necessary dependencies for implementing the `shift_tokens_right` function. Write a Python function `def shift_tokens_right(input_ids: torch.Tensor, pad_token_id: int, decoder_start_token_id: int)` to solve the following problem:
Shift input ids one token to the right.
Here is the function:
def shift_tokens_right(input_ids: torch.Tensor, pad_token_id: int, decoder_start_token_id: int):
"""
Shift input ids one token to the right.
"""
shifted_input_ids = input_ids.new_zeros(input_ids.shape)
shifted_input_ids[:, 1:] = input_ids[:, :-1].clone()
shifted_input_ids[:, 0] = decoder_start_token_id
if pad_token_id is None:
raise ValueError("self.model.config.pad_token_id has to be defined.")
# replace possible -100 values in labels by `pad_token_id`
shifted_input_ids.masked_fill_(shifted_input_ids == -100, pad_token_id)
return shifted_input_ids | Shift input ids one token to the right. |
11,329 | import copy
import math
import random
from typing import List, Optional, Tuple, Union
import numpy as np
import torch
import torch.utils.checkpoint
from torch import nn
from torch.nn import CrossEntropyLoss
from ...activations import ACT2FN
from ...modeling_outputs import (
BaseModelOutput,
BaseModelOutputWithPastAndCrossAttentions,
CausalLMOutputWithCrossAttentions,
Seq2SeqLMOutput,
Seq2SeqModelOutput,
)
from ...modeling_utils import PreTrainedModel
from ...utils import (
add_end_docstrings,
add_start_docstrings,
add_start_docstrings_to_model_forward,
logging,
replace_return_docstrings,
)
from .configuration_pegasus import PegasusConfig
The provided code snippet includes necessary dependencies for implementing the `_make_causal_mask` function. Write a Python function `def _make_causal_mask(input_ids_shape: torch.Size, dtype: torch.dtype, past_key_values_length: int = 0)` to solve the following problem:
Make causal mask used for bi-directional self-attention.
Here is the function:
def _make_causal_mask(input_ids_shape: torch.Size, dtype: torch.dtype, past_key_values_length: int = 0):
"""
Make causal mask used for bi-directional self-attention.
"""
bsz, tgt_len = input_ids_shape
mask = torch.full((tgt_len, tgt_len), torch.tensor(torch.finfo(dtype).min))
mask_cond = torch.arange(mask.size(-1))
mask.masked_fill_(mask_cond < (mask_cond + 1).view(mask.size(-1), 1), 0)
mask = mask.to(dtype)
if past_key_values_length > 0:
mask = torch.cat([torch.zeros(tgt_len, past_key_values_length, dtype=dtype), mask], dim=-1)
return mask[None, None, :, :].expand(bsz, 1, tgt_len, tgt_len + past_key_values_length) | Make causal mask used for bi-directional self-attention. |
11,330 | import copy
import math
import random
from typing import List, Optional, Tuple, Union
import numpy as np
import torch
import torch.utils.checkpoint
from torch import nn
from torch.nn import CrossEntropyLoss
from ...activations import ACT2FN
from ...modeling_outputs import (
BaseModelOutput,
BaseModelOutputWithPastAndCrossAttentions,
CausalLMOutputWithCrossAttentions,
Seq2SeqLMOutput,
Seq2SeqModelOutput,
)
from ...modeling_utils import PreTrainedModel
from ...utils import (
add_end_docstrings,
add_start_docstrings,
add_start_docstrings_to_model_forward,
logging,
replace_return_docstrings,
)
from .configuration_pegasus import PegasusConfig
The provided code snippet includes necessary dependencies for implementing the `_expand_mask` function. Write a Python function `def _expand_mask(mask: torch.Tensor, dtype: torch.dtype, tgt_len: Optional[int] = None)` to solve the following problem:
Expands attention_mask from `[bsz, seq_len]` to `[bsz, 1, tgt_seq_len, src_seq_len]`.
Here is the function:
def _expand_mask(mask: torch.Tensor, dtype: torch.dtype, tgt_len: Optional[int] = None):
"""
Expands attention_mask from `[bsz, seq_len]` to `[bsz, 1, tgt_seq_len, src_seq_len]`.
"""
bsz, src_len = mask.size()
tgt_len = tgt_len if tgt_len is not None else src_len
expanded_mask = mask[:, None, None, :].expand(bsz, 1, tgt_len, src_len).to(dtype)
inverted_mask = 1.0 - expanded_mask
return inverted_mask.masked_fill(inverted_mask.to(torch.bool), torch.finfo(dtype).min) | Expands attention_mask from `[bsz, seq_len]` to `[bsz, 1, tgt_seq_len, src_seq_len]`. |
11,331 | import argparse
import os
from pathlib import Path
from typing import Dict
import tensorflow as tf
import torch
from tqdm import tqdm
from transformers import PegasusConfig, PegasusForConditionalGeneration, PegasusTokenizer
from transformers.models.pegasus.configuration_pegasus import DEFAULTS, task_specific_params
def convert_pegasus(tf_weights: dict, cfg_updates: dict) -> PegasusForConditionalGeneration:
cfg_kwargs = DEFAULTS.copy()
cfg_kwargs.update(cfg_updates)
cfg = PegasusConfig(**cfg_kwargs)
torch_model = PegasusForConditionalGeneration(cfg)
sd = torch_model.model.state_dict()
mapping = {}
for k, v in tf_weights.items():
new_k = rename_state_dict_key(k)
if new_k not in sd:
raise ValueError(f"could not find new key {new_k} in state dict. (converted from {k})")
if "dense" in k or "proj" in new_k:
v = v.T
mapping[new_k] = torch.tensor(v, dtype=sd[new_k].dtype)
assert v.shape == sd[new_k].shape, f"{new_k}, {k}, {v.shape}, {sd[new_k].shape}"
# make sure embedding.padding_idx is respected
mapping["shared.weight"][cfg.pad_token_id] = torch.zeros_like(mapping["shared.weight"][cfg.pad_token_id + 1])
mapping["encoder.embed_tokens.weight"] = mapping["shared.weight"]
mapping["decoder.embed_tokens.weight"] = mapping["shared.weight"]
empty_biases = {k: torch.zeros_like(v) for k, v in sd.items() if k.endswith("bias") and k not in mapping}
mapping.update(**empty_biases)
missing, extra = torch_model.model.load_state_dict(mapping, strict=False)
unexpected_missing = [
k for k in missing if k not in ["encoder.embed_positions.weight", "decoder.embed_positions.weight"]
]
assert unexpected_missing == [], f"no matches found for the following torch keys {unexpected_missing}"
assert extra == [], f"no matches found for the following tf keys {extra}"
return torch_model
def get_tf_weights_as_numpy(path="./ckpt/aeslc/model.ckpt-32000") -> Dict:
init_vars = tf.train.list_variables(path)
tf_weights = {}
ignore_name = ["Adafactor", "global_step"]
for name, shape in tqdm(init_vars, desc="converting tf checkpoint to dict"):
skip_key = any([pat in name for pat in ignore_name])
if skip_key:
continue
array = tf.train.load_variable(path, name)
tf_weights[name] = array
return tf_weights
def convert_pegasus_ckpt_to_pytorch(ckpt_path: str, save_dir: str):
# save tokenizer first
dataset = Path(ckpt_path).parent.name
desired_max_model_length = task_specific_params[f"summarization_{dataset}"]["max_position_embeddings"]
tok = PegasusTokenizer.from_pretrained("sshleifer/pegasus", model_max_length=desired_max_model_length)
assert tok.model_max_length == desired_max_model_length
tok.save_pretrained(save_dir)
# convert model
tf_weights = get_tf_weights_as_numpy(ckpt_path)
cfg_updates = task_specific_params[f"summarization_{dataset}"]
if dataset == "large":
cfg_updates["task_specific_params"] = task_specific_params
torch_model = convert_pegasus(tf_weights, cfg_updates)
torch_model.save_pretrained(save_dir)
sd = torch_model.state_dict()
sd.pop("model.decoder.embed_positions.weight")
sd.pop("model.encoder.embed_positions.weight")
torch.save(sd, Path(save_dir) / "pytorch_model.bin") | null |
11,332 | import os
import re
from shutil import copyfile
from typing import List, Optional, Tuple
from ...tokenization_utils import PreTrainedTokenizer
from ...utils import logging
The provided code snippet includes necessary dependencies for implementing the `get_pairs` function. Write a Python function `def get_pairs(word)` to solve the following problem:
Return set of symbol pairs in a word. Word is represented as tuple of symbols (symbols being variable-length strings).
Here is the function:
def get_pairs(word):
"""
Return set of symbol pairs in a word.
Word is represented as tuple of symbols (symbols being variable-length strings).
"""
pairs = set()
prev_char = word[0]
for char in word[1:]:
pairs.add((prev_char, char))
prev_char = char
pairs = set(pairs)
return pairs | Return set of symbol pairs in a word. Word is represented as tuple of symbols (symbols being variable-length strings). |
11,333 | from typing import Optional, Tuple, Union
import torch
import torch.utils.checkpoint
from torch import nn
from torch.nn import CrossEntropyLoss
from ...activations import ACT2FN
from ...file_utils import (
add_code_sample_docstrings,
add_start_docstrings,
add_start_docstrings_to_model_forward,
replace_return_docstrings,
)
from ...modeling_outputs import BaseModelOutputWithPast, CausalLMOutputWithPast
from ...modeling_utils import PreTrainedModel
from ...utils import logging
from .configuration_gpt_neox import GPTNeoXConfig
def attention_mask_func(attention_scores, ltor_mask):
attention_scores.masked_fill_(~ltor_mask, torch.finfo(attention_scores.dtype).min)
return attention_scores | null |
11,334 | from typing import Optional, Tuple, Union
import torch
import torch.utils.checkpoint
from torch import nn
from torch.nn import CrossEntropyLoss
from ...activations import ACT2FN
from ...file_utils import (
add_code_sample_docstrings,
add_start_docstrings,
add_start_docstrings_to_model_forward,
replace_return_docstrings,
)
from ...modeling_outputs import BaseModelOutputWithPast, CausalLMOutputWithPast
from ...modeling_utils import PreTrainedModel
from ...utils import logging
from .configuration_gpt_neox import GPTNeoXConfig
def rotate_half(x):
def apply_rotary_pos_emb(q, k, cos, sin, offset: int = 0):
cos = cos[..., offset : q.shape[-2] + offset, :]
sin = sin[..., offset : q.shape[-2] + offset, :]
q_embed = (q * cos) + (rotate_half(q) * sin)
k_embed = (k * cos) + (rotate_half(k) * sin)
return q_embed, k_embed | null |
11,335 | import argparse
import json
import os
from collections import OrderedDict
import torch
from transformers import LukeConfig, LukeForMaskedLM, MLukeTokenizer, XLMRobertaTokenizer
from transformers.tokenization_utils_base import AddedToken
def load_original_entity_vocab(entity_vocab_path):
SPECIAL_TOKENS = ["[MASK]", "[PAD]", "[UNK]"]
data = [json.loads(line) for line in open(entity_vocab_path)]
new_mapping = {}
for entry in data:
entity_id = entry["id"]
for entity_name, language in entry["entities"]:
if entity_name in SPECIAL_TOKENS:
new_mapping[entity_name] = entity_id
break
new_entity_name = f"{language}:{entity_name}"
new_mapping[new_entity_name] = entity_id
return new_mapping
def convert_luke_checkpoint(checkpoint_path, metadata_path, entity_vocab_path, pytorch_dump_folder_path, model_size):
# Load configuration defined in the metadata file
with open(metadata_path) as metadata_file:
metadata = json.load(metadata_file)
config = LukeConfig(use_entity_aware_attention=True, **metadata["model_config"])
# Load in the weights from the checkpoint_path
state_dict = torch.load(checkpoint_path, map_location="cpu")["module"]
# Load the entity vocab file
entity_vocab = load_original_entity_vocab(entity_vocab_path)
# add an entry for [MASK2]
entity_vocab["[MASK2]"] = max(entity_vocab.values()) + 1
config.entity_vocab_size += 1
tokenizer = XLMRobertaTokenizer.from_pretrained(metadata["model_config"]["bert_model_name"])
# Add special tokens to the token vocabulary for downstream tasks
entity_token_1 = AddedToken("<ent>", lstrip=False, rstrip=False)
entity_token_2 = AddedToken("<ent2>", lstrip=False, rstrip=False)
tokenizer.add_special_tokens(dict(additional_special_tokens=[entity_token_1, entity_token_2]))
config.vocab_size += 2
print(f"Saving tokenizer to {pytorch_dump_folder_path}")
tokenizer.save_pretrained(pytorch_dump_folder_path)
with open(os.path.join(pytorch_dump_folder_path, "tokenizer_config.json"), "r") as f:
tokenizer_config = json.load(f)
tokenizer_config["tokenizer_class"] = "MLukeTokenizer"
with open(os.path.join(pytorch_dump_folder_path, "tokenizer_config.json"), "w") as f:
json.dump(tokenizer_config, f)
with open(os.path.join(pytorch_dump_folder_path, MLukeTokenizer.vocab_files_names["entity_vocab_file"]), "w") as f:
json.dump(entity_vocab, f)
tokenizer = MLukeTokenizer.from_pretrained(pytorch_dump_folder_path)
# Initialize the embeddings of the special tokens
ent_init_index = tokenizer.convert_tokens_to_ids(["@"])[0]
ent2_init_index = tokenizer.convert_tokens_to_ids(["#"])[0]
word_emb = state_dict["embeddings.word_embeddings.weight"]
ent_emb = word_emb[ent_init_index].unsqueeze(0)
ent2_emb = word_emb[ent2_init_index].unsqueeze(0)
state_dict["embeddings.word_embeddings.weight"] = torch.cat([word_emb, ent_emb, ent2_emb])
# add special tokens for 'entity_predictions.bias'
for bias_name in ["lm_head.decoder.bias", "lm_head.bias"]:
decoder_bias = state_dict[bias_name]
ent_decoder_bias = decoder_bias[ent_init_index].unsqueeze(0)
ent2_decoder_bias = decoder_bias[ent2_init_index].unsqueeze(0)
state_dict[bias_name] = torch.cat([decoder_bias, ent_decoder_bias, ent2_decoder_bias])
# Initialize the query layers of the entity-aware self-attention mechanism
for layer_index in range(config.num_hidden_layers):
for matrix_name in ["query.weight", "query.bias"]:
prefix = f"encoder.layer.{layer_index}.attention.self."
state_dict[prefix + "w2e_" + matrix_name] = state_dict[prefix + matrix_name]
state_dict[prefix + "e2w_" + matrix_name] = state_dict[prefix + matrix_name]
state_dict[prefix + "e2e_" + matrix_name] = state_dict[prefix + matrix_name]
# Initialize the embedding of the [MASK2] entity using that of the [MASK] entity for downstream tasks
entity_emb = state_dict["entity_embeddings.entity_embeddings.weight"]
entity_mask_emb = entity_emb[entity_vocab["[MASK]"]].unsqueeze(0)
state_dict["entity_embeddings.entity_embeddings.weight"] = torch.cat([entity_emb, entity_mask_emb])
# add [MASK2] for 'entity_predictions.bias'
entity_prediction_bias = state_dict["entity_predictions.bias"]
entity_mask_bias = entity_prediction_bias[entity_vocab["[MASK]"]].unsqueeze(0)
state_dict["entity_predictions.bias"] = torch.cat([entity_prediction_bias, entity_mask_bias])
model = LukeForMaskedLM(config=config).eval()
state_dict.pop("entity_predictions.decoder.weight")
state_dict.pop("lm_head.decoder.weight")
state_dict.pop("lm_head.decoder.bias")
state_dict_for_hugging_face = OrderedDict()
for key, value in state_dict.items():
if not (key.startswith("lm_head") or key.startswith("entity_predictions")):
state_dict_for_hugging_face[f"luke.{key}"] = state_dict[key]
else:
state_dict_for_hugging_face[key] = state_dict[key]
missing_keys, unexpected_keys = model.load_state_dict(state_dict_for_hugging_face, strict=False)
if set(unexpected_keys) != {"luke.embeddings.position_ids"}:
raise ValueError(f"Unexpected unexpected_keys: {unexpected_keys}")
if set(missing_keys) != {
"lm_head.decoder.weight",
"lm_head.decoder.bias",
"entity_predictions.decoder.weight",
}:
raise ValueError(f"Unexpected missing_keys: {missing_keys}")
model.tie_weights()
assert (model.luke.embeddings.word_embeddings.weight == model.lm_head.decoder.weight).all()
assert (model.luke.entity_embeddings.entity_embeddings.weight == model.entity_predictions.decoder.weight).all()
# Check outputs
tokenizer = MLukeTokenizer.from_pretrained(pytorch_dump_folder_path, task="entity_classification")
text = "ISO 639-3 uses the code fas for the dialects spoken across Iran and アフガニスタン (Afghanistan)."
span = (0, 9)
encoding = tokenizer(text, entity_spans=[span], return_tensors="pt")
outputs = model(**encoding)
# Verify word hidden states
if model_size == "large":
raise NotImplementedError
else: # base
expected_shape = torch.Size((1, 33, 768))
expected_slice = torch.tensor([[0.0892, 0.0596, -0.2819], [0.0134, 0.1199, 0.0573], [-0.0169, 0.0927, 0.0644]])
if not (outputs.last_hidden_state.shape == expected_shape):
raise ValueError(
f"Outputs.last_hidden_state.shape is {outputs.last_hidden_state.shape}, Expected shape is {expected_shape}"
)
if not torch.allclose(outputs.last_hidden_state[0, :3, :3], expected_slice, atol=1e-4):
raise ValueError
# Verify entity hidden states
if model_size == "large":
raise NotImplementedError
else: # base
expected_shape = torch.Size((1, 1, 768))
expected_slice = torch.tensor([[-0.1482, 0.0609, 0.0322]])
if not (outputs.entity_last_hidden_state.shape == expected_shape):
raise ValueError(
f"Outputs.entity_last_hidden_state.shape is {outputs.entity_last_hidden_state.shape}, Expected shape is"
f" {expected_shape}"
)
if not torch.allclose(outputs.entity_last_hidden_state[0, :3, :3], expected_slice, atol=1e-4):
raise ValueError
# Verify masked word/entity prediction
tokenizer = MLukeTokenizer.from_pretrained(pytorch_dump_folder_path)
text = "Tokyo is the capital of <mask>."
span = (24, 30)
encoding = tokenizer(text, entity_spans=[span], return_tensors="pt")
outputs = model(**encoding)
input_ids = encoding["input_ids"][0].tolist()
mask_position_id = input_ids.index(tokenizer.convert_tokens_to_ids("<mask>"))
predicted_id = outputs.logits[0][mask_position_id].argmax(dim=-1)
assert "Japan" == tokenizer.decode(predicted_id)
predicted_entity_id = outputs.entity_logits[0][0].argmax().item()
multilingual_predicted_entities = [
entity for entity, entity_id in tokenizer.entity_vocab.items() if entity_id == predicted_entity_id
]
assert [e for e in multilingual_predicted_entities if e.startswith("en:")][0] == "en:Japan"
# Finally, save our PyTorch model and tokenizer
print("Saving PyTorch model to {}".format(pytorch_dump_folder_path))
model.save_pretrained(pytorch_dump_folder_path) | null |
11,336 | import argparse
import torch
from PIL import Image
import requests
from transformers import ViTMAEConfig, ViTMAEFeatureExtractor, ViTMAEForPreTraining
def convert_state_dict(orig_state_dict, config):
for key in orig_state_dict.copy().keys():
val = orig_state_dict.pop(key)
if "qkv" in key:
key_split = key.split(".")
layer_num = int(key_split[1])
if "decoder_blocks" in key:
dim = config.decoder_hidden_size
prefix = "decoder.decoder_layers."
if "weight" in key:
orig_state_dict[f"{prefix}{layer_num}.attention.attention.query.weight"] = val[:dim, :]
orig_state_dict[f"{prefix}{layer_num}.attention.attention.key.weight"] = val[dim : dim * 2, :]
orig_state_dict[f"{prefix}{layer_num}.attention.attention.value.weight"] = val[-dim:, :]
elif "bias" in key:
orig_state_dict[f"{prefix}{layer_num}.attention.attention.query.bias"] = val[:dim]
orig_state_dict[f"{prefix}{layer_num}.attention.attention.key.bias"] = val[dim : dim * 2]
orig_state_dict[f"{prefix}{layer_num}.attention.attention.value.bias"] = val[-dim:]
else:
dim = config.hidden_size
prefix = "vit.encoder.layer."
if "weight" in key:
orig_state_dict[f"{prefix}{layer_num}.attention.attention.query.weight"] = val[:dim, :]
orig_state_dict[f"{prefix}{layer_num}.attention.attention.key.weight"] = val[dim : dim * 2, :]
orig_state_dict[f"{prefix}{layer_num}.attention.attention.value.weight"] = val[-dim:, :]
elif "bias" in key:
orig_state_dict[f"{prefix}{layer_num}.attention.attention.query.bias"] = val[:dim]
orig_state_dict[f"{prefix}{layer_num}.attention.attention.key.bias"] = val[dim : dim * 2]
orig_state_dict[f"{prefix}{layer_num}.attention.attention.value.bias"] = val[-dim:]
else:
orig_state_dict[rename_key(key)] = val
return orig_state_dict
def convert_vit_mae_checkpoint(checkpoint_url, pytorch_dump_folder_path):
config = ViTMAEConfig()
if "large" in checkpoint_url:
config.hidden_size = 1024
config.intermediate_size = 4096
config.num_hidden_layers = 24
config.num_attention_heads = 16
elif "huge" in checkpoint_url:
config.patch_size = 14
config.hidden_size = 1280
config.intermediate_size = 5120
config.num_hidden_layers = 32
config.num_attention_heads = 16
model = ViTMAEForPreTraining(config)
state_dict = torch.hub.load_state_dict_from_url(checkpoint_url, map_location="cpu")["model"]
feature_extractor = ViTMAEFeatureExtractor(size=config.image_size)
new_state_dict = convert_state_dict(state_dict, config)
model.load_state_dict(new_state_dict)
model.eval()
url = "https://user-images.githubusercontent.com/11435359/147738734-196fd92f-9260-48d5-ba7e-bf103d29364d.jpg"
image = Image.open(requests.get(url, stream=True).raw)
feature_extractor = ViTMAEFeatureExtractor(size=config.image_size)
inputs = feature_extractor(images=image, return_tensors="pt")
# forward pass
torch.manual_seed(2)
outputs = model(**inputs)
logits = outputs.logits
if "large" in checkpoint_url:
expected_slice = torch.tensor(
[[-0.7309, -0.7128, -1.0169], [-1.0161, -0.9058, -1.1878], [-1.0478, -0.9411, -1.1911]]
)
elif "huge" in checkpoint_url:
expected_slice = torch.tensor(
[[-1.1599, -0.9199, -1.2221], [-1.1952, -0.9269, -1.2307], [-1.2143, -0.9337, -1.2262]]
)
else:
expected_slice = torch.tensor(
[[-0.9192, -0.8481, -1.1259], [-1.1349, -1.0034, -1.2599], [-1.1757, -1.0429, -1.2726]]
)
# verify logits
assert torch.allclose(logits[0, :3, :3], expected_slice, atol=1e-4)
print(f"Saving model to {pytorch_dump_folder_path}")
model.save_pretrained(pytorch_dump_folder_path)
print(f"Saving feature extractor to {pytorch_dump_folder_path}")
feature_extractor.save_pretrained(pytorch_dump_folder_path) | null |
11,337 | import collections.abc
import math
from copy import deepcopy
from dataclasses import dataclass
from typing import Dict, Optional, Tuple, Union
import numpy as np
import tensorflow as tf
from ...activations_tf import get_tf_activation
from ...file_utils import (
ModelOutput,
add_start_docstrings,
add_start_docstrings_to_model_forward,
replace_return_docstrings,
)
from ...modeling_tf_outputs import TFBaseModelOutput
from ...modeling_tf_utils import (
TFModelInputType,
TFPreTrainedModel,
get_initializer,
keras_serializable,
unpack_inputs,
)
from ...tf_utils import shape_list, stable_softmax
from ...utils import logging
from .configuration_vit_mae import ViTMAEConfig
def get_2d_sincos_pos_embed_from_grid(embed_dim, grid):
if embed_dim % 2 != 0:
raise ValueError("embed_dim must be even")
# use half of dimensions to encode grid_h
emb_h = get_1d_sincos_pos_embed_from_grid(embed_dim // 2, grid[0]) # (H*W, D/2)
emb_w = get_1d_sincos_pos_embed_from_grid(embed_dim // 2, grid[1]) # (H*W, D/2)
emb = tf.concat([emb_h, emb_w], axis=1) # (H*W, D)
return emb
The provided code snippet includes necessary dependencies for implementing the `get_2d_sincos_pos_embed` function. Write a Python function `def get_2d_sincos_pos_embed(embed_dim, grid_size, add_cls_token=False)` to solve the following problem:
Create 2D sin/cos positional embeddings. Args: embed_dim (`int`): Embedding dimension. grid_size (`int`): The grid height and width. add_cls_token (`bool`, *optional*, defaults to `False`): Whether or not to add a classification (CLS) token. Returns: (`tf.Tensor` of shape (grid_size*grid_size, embed_dim) or (1+grid_size*grid_size, embed_dim): the position embeddings (with or without classification token)
Here is the function:
def get_2d_sincos_pos_embed(embed_dim, grid_size, add_cls_token=False):
"""
Create 2D sin/cos positional embeddings.
Args:
embed_dim (`int`):
Embedding dimension.
grid_size (`int`):
The grid height and width.
add_cls_token (`bool`, *optional*, defaults to `False`):
Whether or not to add a classification (CLS) token.
Returns:
(`tf.Tensor` of shape (grid_size*grid_size, embed_dim) or (1+grid_size*grid_size, embed_dim): the position
embeddings (with or without classification token)
"""
grid_h = tf.range(grid_size, dtype=tf.float32)
grid_w = tf.range(grid_size, dtype=tf.float32)
grid = tf.meshgrid(grid_w, grid_h) # here w goes first
grid = tf.stack(grid, axis=0)
grid = tf.reshape(grid, [2, 1, grid_size, grid_size])
pos_embed = get_2d_sincos_pos_embed_from_grid(embed_dim, grid)
if add_cls_token:
pos_embed = tf.concat([tf.zeros((1, embed_dim)), pos_embed], axis=0)
return pos_embed | Create 2D sin/cos positional embeddings. Args: embed_dim (`int`): Embedding dimension. grid_size (`int`): The grid height and width. add_cls_token (`bool`, *optional*, defaults to `False`): Whether or not to add a classification (CLS) token. Returns: (`tf.Tensor` of shape (grid_size*grid_size, embed_dim) or (1+grid_size*grid_size, embed_dim): the position embeddings (with or without classification token) |
11,338 | import collections.abc
import math
from copy import deepcopy
from dataclasses import dataclass
from typing import Optional, Set, Tuple, Union
import numpy as np
import torch
import torch.utils.checkpoint
from torch import nn
from ...activations import ACT2FN
from ...modeling_outputs import BaseModelOutput
from ...modeling_utils import PreTrainedModel
from ...pytorch_utils import find_pruneable_heads_and_indices, prune_linear_layer
from ...utils import (
ModelOutput,
add_start_docstrings,
add_start_docstrings_to_model_forward,
logging,
replace_return_docstrings,
)
from .configuration_vit_mae import ViTMAEConfig
def get_2d_sincos_pos_embed_from_grid(embed_dim, grid):
if embed_dim % 2 != 0:
raise ValueError("embed_dim must be even")
# use half of dimensions to encode grid_h
emb_h = get_1d_sincos_pos_embed_from_grid(embed_dim // 2, grid[0]) # (H*W, D/2)
emb_w = get_1d_sincos_pos_embed_from_grid(embed_dim // 2, grid[1]) # (H*W, D/2)
emb = np.concatenate([emb_h, emb_w], axis=1) # (H*W, D)
return emb
The provided code snippet includes necessary dependencies for implementing the `get_2d_sincos_pos_embed` function. Write a Python function `def get_2d_sincos_pos_embed(embed_dim, grid_size, add_cls_token=False)` to solve the following problem:
Create 2D sin/cos positional embeddings. Args: embed_dim (`int`): Embedding dimension. grid_size (`int`): The grid height and width. add_cls_token (`bool`, *optional*, defaults to `False`): Whether or not to add a classification (CLS) token. Returns: (`torch.FloatTensor` of shape (grid_size*grid_size, embed_dim) or (1+grid_size*grid_size, embed_dim): the position embeddings (with or without classification token)
Here is the function:
def get_2d_sincos_pos_embed(embed_dim, grid_size, add_cls_token=False):
"""
Create 2D sin/cos positional embeddings.
Args:
embed_dim (`int`):
Embedding dimension.
grid_size (`int`):
The grid height and width.
add_cls_token (`bool`, *optional*, defaults to `False`):
Whether or not to add a classification (CLS) token.
Returns:
(`torch.FloatTensor` of shape (grid_size*grid_size, embed_dim) or (1+grid_size*grid_size, embed_dim): the
position embeddings (with or without classification token)
"""
grid_h = np.arange(grid_size, dtype=np.float32)
grid_w = np.arange(grid_size, dtype=np.float32)
grid = np.meshgrid(grid_w, grid_h) # here w goes first
grid = np.stack(grid, axis=0)
grid = grid.reshape([2, 1, grid_size, grid_size])
pos_embed = get_2d_sincos_pos_embed_from_grid(embed_dim, grid)
if add_cls_token:
pos_embed = np.concatenate([np.zeros([1, embed_dim]), pos_embed], axis=0)
return pos_embed | Create 2D sin/cos positional embeddings. Args: embed_dim (`int`): Embedding dimension. grid_size (`int`): The grid height and width. add_cls_token (`bool`, *optional*, defaults to `False`): Whether or not to add a classification (CLS) token. Returns: (`torch.FloatTensor` of shape (grid_size*grid_size, embed_dim) or (1+grid_size*grid_size, embed_dim): the position embeddings (with or without classification token) |
11,339 | import itertools
import warnings
from dataclasses import dataclass
from typing import Dict, Optional, Tuple, Union
import numpy as np
import tensorflow as tf
from ...activations_tf import get_tf_activation
from ...modeling_tf_outputs import (
TFBaseModelOutput,
TFMultipleChoiceModelOutput,
TFQuestionAnsweringModelOutput,
TFSequenceClassifierOutput,
TFTokenClassifierOutput,
)
from ...modeling_tf_utils import (
TFModelInputType,
TFMultipleChoiceLoss,
TFPreTrainedModel,
TFQuestionAnsweringLoss,
TFSequenceClassificationLoss,
TFSequenceSummary,
TFSharedEmbeddings,
TFTokenClassificationLoss,
get_initializer,
keras_serializable,
unpack_inputs,
)
from ...tf_utils import shape_list, stable_softmax
from ...utils import (
MULTIPLE_CHOICE_DUMMY_INPUTS,
ModelOutput,
add_code_sample_docstrings,
add_start_docstrings,
add_start_docstrings_to_model_forward,
logging,
)
from .configuration_xlm import XLMConfig
def create_sinusoidal_embeddings(n_pos, dim, out):
position_enc = np.array([[pos / np.power(10000, 2 * (j // 2) / dim) for j in range(dim)] for pos in range(n_pos)])
out[:, 0::2] = tf.constant(np.sin(position_enc[:, 0::2]))
out[:, 1::2] = tf.constant(np.cos(position_enc[:, 1::2])) | null |
11,340 | import itertools
import warnings
from dataclasses import dataclass
from typing import Dict, Optional, Tuple, Union
import numpy as np
import tensorflow as tf
from ...activations_tf import get_tf_activation
from ...modeling_tf_outputs import (
TFBaseModelOutput,
TFMultipleChoiceModelOutput,
TFQuestionAnsweringModelOutput,
TFSequenceClassifierOutput,
TFTokenClassifierOutput,
)
from ...modeling_tf_utils import (
TFModelInputType,
TFMultipleChoiceLoss,
TFPreTrainedModel,
TFQuestionAnsweringLoss,
TFSequenceClassificationLoss,
TFSequenceSummary,
TFSharedEmbeddings,
TFTokenClassificationLoss,
get_initializer,
keras_serializable,
unpack_inputs,
)
from ...tf_utils import shape_list, stable_softmax
from ...utils import (
MULTIPLE_CHOICE_DUMMY_INPUTS,
ModelOutput,
add_code_sample_docstrings,
add_start_docstrings,
add_start_docstrings_to_model_forward,
logging,
)
from .configuration_xlm import XLMConfig
def shape_list(tensor: Union[tf.Tensor, np.ndarray]) -> List[int]:
"""
Deal with dynamic shape in tensorflow cleanly.
Args:
tensor (`tf.Tensor` or `np.ndarray`): The tensor we want the shape of.
Returns:
`List[int]`: The shape of the tensor as a list.
"""
if isinstance(tensor, np.ndarray):
return list(tensor.shape)
dynamic = tf.shape(tensor)
if tensor.shape == tf.TensorShape(None):
return dynamic
static = tensor.shape.as_list()
return [dynamic[i] if s is None else s for i, s in enumerate(static)]
The provided code snippet includes necessary dependencies for implementing the `get_masks` function. Write a Python function `def get_masks(slen, lengths, causal, padding_mask=None)` to solve the following problem:
Generate hidden states mask, and optionally an attention mask.
Here is the function:
def get_masks(slen, lengths, causal, padding_mask=None):
"""
Generate hidden states mask, and optionally an attention mask.
"""
bs = shape_list(lengths)[0]
if padding_mask is not None:
mask = padding_mask
else:
# assert lengths.max().item() <= slen
alen = tf.range(slen, dtype=lengths.dtype)
mask = alen < tf.expand_dims(lengths, axis=1)
# attention mask is the same as mask, or triangular inferior attention (causal)
if causal:
attn_mask = tf.less_equal(
tf.tile(tf.reshape(alen, (1, 1, slen)), (bs, slen, 1)), tf.reshape(alen, (1, slen, 1))
)
else:
attn_mask = mask
# sanity check
# assert shape_list(mask) == [bs, slen]
tf.debugging.assert_equal(shape_list(mask), [bs, slen])
if causal:
tf.debugging.assert_equal(shape_list(attn_mask), [bs, slen, slen])
return mask, attn_mask | Generate hidden states mask, and optionally an attention mask. |
11,341 | import itertools
import math
from dataclasses import dataclass
from typing import Dict, Optional, Tuple, Union
import numpy as np
import torch
from torch import nn
from torch.nn import BCEWithLogitsLoss, CrossEntropyLoss, MSELoss
from ...activations import gelu
from ...modeling_outputs import (
BaseModelOutput,
MaskedLMOutput,
MultipleChoiceModelOutput,
QuestionAnsweringModelOutput,
SequenceClassifierOutput,
TokenClassifierOutput,
)
from ...modeling_utils import PreTrainedModel, SequenceSummary, SQuADHead
from ...pytorch_utils import apply_chunking_to_forward, find_pruneable_heads_and_indices, prune_linear_layer
from ...utils import (
ModelOutput,
add_code_sample_docstrings,
add_start_docstrings,
add_start_docstrings_to_model_forward,
logging,
replace_return_docstrings,
)
from .configuration_xlm import XLMConfig
def create_sinusoidal_embeddings(n_pos, dim, out):
position_enc = np.array([[pos / np.power(10000, 2 * (j // 2) / dim) for j in range(dim)] for pos in range(n_pos)])
out[:, 0::2] = torch.FloatTensor(np.sin(position_enc[:, 0::2]))
out[:, 1::2] = torch.FloatTensor(np.cos(position_enc[:, 1::2]))
out.detach_()
out.requires_grad = False | null |
11,342 | import itertools
import math
from dataclasses import dataclass
from typing import Dict, Optional, Tuple, Union
import numpy as np
import torch
from torch import nn
from torch.nn import BCEWithLogitsLoss, CrossEntropyLoss, MSELoss
from ...activations import gelu
from ...modeling_outputs import (
BaseModelOutput,
MaskedLMOutput,
MultipleChoiceModelOutput,
QuestionAnsweringModelOutput,
SequenceClassifierOutput,
TokenClassifierOutput,
)
from ...modeling_utils import PreTrainedModel, SequenceSummary, SQuADHead
from ...pytorch_utils import apply_chunking_to_forward, find_pruneable_heads_and_indices, prune_linear_layer
from ...utils import (
ModelOutput,
add_code_sample_docstrings,
add_start_docstrings,
add_start_docstrings_to_model_forward,
logging,
replace_return_docstrings,
)
from .configuration_xlm import XLMConfig
The provided code snippet includes necessary dependencies for implementing the `get_masks` function. Write a Python function `def get_masks(slen, lengths, causal, padding_mask=None)` to solve the following problem:
Generate hidden states mask, and optionally an attention mask.
Here is the function:
def get_masks(slen, lengths, causal, padding_mask=None):
"""
Generate hidden states mask, and optionally an attention mask.
"""
alen = torch.arange(slen, dtype=torch.long, device=lengths.device)
if padding_mask is not None:
mask = padding_mask
else:
assert lengths.max().item() <= slen
mask = alen < lengths[:, None]
# attention mask is the same as mask, or triangular inferior attention (causal)
bs = lengths.size(0)
if causal:
attn_mask = alen[None, None, :].repeat(bs, slen, 1) <= alen[None, :, None]
else:
attn_mask = mask
# sanity check
assert mask.size() == (bs, slen)
assert causal is False or attn_mask.size() == (bs, slen, slen)
return mask, attn_mask | Generate hidden states mask, and optionally an attention mask. |
11,343 | import argparse
import json
import numpy
import torch
from transformers.models.xlm.tokenization_xlm import VOCAB_FILES_NAMES
from transformers.utils import CONFIG_NAME, WEIGHTS_NAME, logging
def convert_xlm_checkpoint_to_pytorch(xlm_checkpoint_path, pytorch_dump_folder_path):
# Load checkpoint
chkpt = torch.load(xlm_checkpoint_path, map_location="cpu")
state_dict = chkpt["model"]
# We have the base model one level deeper than the original XLM repository
two_levels_state_dict = {}
for k, v in state_dict.items():
if "pred_layer" in k:
two_levels_state_dict[k] = v
else:
two_levels_state_dict["transformer." + k] = v
config = chkpt["params"]
config = dict((n, v) for n, v in config.items() if not isinstance(v, (torch.FloatTensor, numpy.ndarray)))
vocab = chkpt["dico_word2id"]
vocab = dict((s + "</w>" if s.find("@@") == -1 and i > 13 else s.replace("@@", ""), i) for s, i in vocab.items())
# Save pytorch-model
pytorch_weights_dump_path = pytorch_dump_folder_path + "/" + WEIGHTS_NAME
pytorch_config_dump_path = pytorch_dump_folder_path + "/" + CONFIG_NAME
pytorch_vocab_dump_path = pytorch_dump_folder_path + "/" + VOCAB_FILES_NAMES["vocab_file"]
print(f"Save PyTorch model to {pytorch_weights_dump_path}")
torch.save(two_levels_state_dict, pytorch_weights_dump_path)
print(f"Save configuration file to {pytorch_config_dump_path}")
with open(pytorch_config_dump_path, "w", encoding="utf-8") as f:
f.write(json.dumps(config, indent=2) + "\n")
print(f"Save vocab file to {pytorch_config_dump_path}")
with open(pytorch_vocab_dump_path, "w", encoding="utf-8") as f:
f.write(json.dumps(vocab, indent=2) + "\n") | null |
11,344 | import json
import os
import re
import sys
import unicodedata
from typing import List, Optional, Tuple
from ...tokenization_utils import PreTrainedTokenizer
from ...utils import logging
The provided code snippet includes necessary dependencies for implementing the `get_pairs` function. Write a Python function `def get_pairs(word)` to solve the following problem:
Return set of symbol pairs in a word. word is represented as tuple of symbols (symbols being variable-length strings)
Here is the function:
def get_pairs(word):
"""
Return set of symbol pairs in a word. word is represented as tuple of symbols (symbols being variable-length
strings)
"""
pairs = set()
prev_char = word[0]
for char in word[1:]:
pairs.add((prev_char, char))
prev_char = char
return pairs | Return set of symbol pairs in a word. word is represented as tuple of symbols (symbols being variable-length strings) |
11,345 | import json
import os
import re
import sys
import unicodedata
from typing import List, Optional, Tuple
from ...tokenization_utils import PreTrainedTokenizer
from ...utils import logging
The provided code snippet includes necessary dependencies for implementing the `lowercase_and_remove_accent` function. Write a Python function `def lowercase_and_remove_accent(text)` to solve the following problem:
Lowercase and strips accents from a piece of text based on https://github.com/facebookresearch/XLM/blob/master/tools/lowercase_and_remove_accent.py
Here is the function:
def lowercase_and_remove_accent(text):
"""
Lowercase and strips accents from a piece of text based on
https://github.com/facebookresearch/XLM/blob/master/tools/lowercase_and_remove_accent.py
"""
text = " ".join(text)
text = text.lower()
text = unicodedata.normalize("NFD", text)
output = []
for char in text:
cat = unicodedata.category(char)
if cat == "Mn":
continue
output.append(char)
return "".join(output).lower().split(" ") | Lowercase and strips accents from a piece of text based on https://github.com/facebookresearch/XLM/blob/master/tools/lowercase_and_remove_accent.py |
11,346 | import json
import os
import re
import sys
import unicodedata
from typing import List, Optional, Tuple
from ...tokenization_utils import PreTrainedTokenizer
from ...utils import logging
The provided code snippet includes necessary dependencies for implementing the `replace_unicode_punct` function. Write a Python function `def replace_unicode_punct(text)` to solve the following problem:
Port of https://github.com/moses-smt/mosesdecoder/blob/master/scripts/tokenizer/replace-unicode-punctuation.perl
Here is the function:
def replace_unicode_punct(text):
"""
Port of https://github.com/moses-smt/mosesdecoder/blob/master/scripts/tokenizer/replace-unicode-punctuation.perl
"""
text = text.replace("，", ",")
text = re.sub(r"。\s*", ". ", text)
text = text.replace("、", ",")
text = text.replace("”", '"')
text = text.replace("“", '"')
text = text.replace("∶", ":")
text = text.replace("：", ":")
text = text.replace("？", "?")
text = text.replace("《", '"')
text = text.replace("》", '"')
text = text.replace("）", ")")
text = text.replace("！", "!")
text = text.replace("（", "(")
text = text.replace("；", ";")
text = text.replace("１", "1")
text = text.replace("」", '"')
text = text.replace("「", '"')
text = text.replace("０", "0")
text = text.replace("３", "3")
text = text.replace("２", "2")
text = text.replace("５", "5")
text = text.replace("６", "6")
text = text.replace("９", "9")
text = text.replace("７", "7")
text = text.replace("８", "8")
text = text.replace("４", "4")
text = re.sub(r"．\s*", ". ", text)
text = text.replace("～", "~")
text = text.replace("’", "'")
text = text.replace("…", "...")
text = text.replace("━", "-")
text = text.replace("〈", "<")
text = text.replace("〉", ">")
text = text.replace("【", "[")
text = text.replace("】", "]")
text = text.replace("％", "%")
return text | Port of https://github.com/moses-smt/mosesdecoder/blob/master/scripts/tokenizer/replace-unicode-punctuation.perl |
11,347 | import json
import os
import re
import sys
import unicodedata
from typing import List, Optional, Tuple
from ...tokenization_utils import PreTrainedTokenizer
from ...utils import logging
The provided code snippet includes necessary dependencies for implementing the `remove_non_printing_char` function. Write a Python function `def remove_non_printing_char(text)` to solve the following problem:
Port of https://github.com/moses-smt/mosesdecoder/blob/master/scripts/tokenizer/remove-non-printing-char.perl
Here is the function:
def remove_non_printing_char(text):
"""
Port of https://github.com/moses-smt/mosesdecoder/blob/master/scripts/tokenizer/remove-non-printing-char.perl
"""
output = []
for char in text:
cat = unicodedata.category(char)
if cat.startswith("C"):
continue
output.append(char)
return "".join(output) | Port of https://github.com/moses-smt/mosesdecoder/blob/master/scripts/tokenizer/remove-non-printing-char.perl |
11,348 | import json
import os
import re
import sys
import unicodedata
from typing import List, Optional, Tuple
from ...tokenization_utils import PreTrainedTokenizer
from ...utils import logging
The provided code snippet includes necessary dependencies for implementing the `romanian_preprocessing` function. Write a Python function `def romanian_preprocessing(text)` to solve the following problem:
Sennrich's WMT16 scripts for Romanian preprocessing, used by model `xlm-mlm-enro-1024`
Here is the function:
def romanian_preprocessing(text):
"""Sennrich's WMT16 scripts for Romanian preprocessing, used by model `xlm-mlm-enro-1024`"""
# https://github.com/rsennrich/wmt16-scripts/blob/master/preprocess/normalise-romanian.py
text = text.replace("\u015e", "\u0218").replace("\u015f", "\u0219")
text = text.replace("\u0162", "\u021a").replace("\u0163", "\u021b")
# https://github.com/rsennrich/wmt16-scripts/blob/master/preprocess/remove-diacritics.py
text = text.replace("\u0218", "S").replace("\u0219", "s") # s-comma
text = text.replace("\u021a", "T").replace("\u021b", "t") # t-comma
text = text.replace("\u0102", "A").replace("\u0103", "a")
text = text.replace("\u00C2", "A").replace("\u00E2", "a")
text = text.replace("\u00CE", "I").replace("\u00EE", "i")
return text | Sennrich's WMT16 scripts for Romanian preprocessing, used by model `xlm-mlm-enro-1024` |
11,349 | import json
import os
import unicodedata
from functools import lru_cache
from typing import List, Optional, Tuple
import regex as re
from ...tokenization_utils import AddedToken, PreTrainedTokenizer, _is_control, _is_punctuation, _is_whitespace
from ...utils import logging
The provided code snippet includes necessary dependencies for implementing the `bytes_to_unicode` function. Write a Python function `def bytes_to_unicode()` to solve the following problem:
Returns list of utf-8 byte and a mapping to unicode strings. We specifically avoids mapping to whitespace/control characters the bpe code barfs on. The reversible bpe codes work on unicode strings. This means you need a large # of unicode characters in your vocab if you want to avoid UNKs. When you're at something like a 10B token dataset you end up needing around 5K for decent coverage. This is a significant percentage of your normal, say, 32K bpe vocab. To avoid that, we want lookup tables between utf-8 bytes and unicode strings.
Here is the function:
def bytes_to_unicode():
"""
Returns list of utf-8 byte and a mapping to unicode strings. We specifically avoids mapping to whitespace/control
characters the bpe code barfs on.
The reversible bpe codes work on unicode strings. This means you need a large # of unicode characters in your vocab
if you want to avoid UNKs. When you're at something like a 10B token dataset you end up needing around 5K for
decent coverage. This is a significant percentage of your normal, say, 32K bpe vocab. To avoid that, we want lookup
tables between utf-8 bytes and unicode strings.
"""
bs = (
list(range(ord("!"), ord("~") + 1)) + list(range(ord("¡"), ord("¬") + 1)) + list(range(ord("®"), ord("ÿ") + 1))
)
cs = bs[:]
n = 0
for b in range(2**8):
if b not in bs:
bs.append(b)
cs.append(2**8 + n)
n += 1
cs = [chr(n) for n in cs]
return dict(zip(bs, cs)) | Returns list of utf-8 byte and a mapping to unicode strings. We specifically avoids mapping to whitespace/control characters the bpe code barfs on. The reversible bpe codes work on unicode strings. This means you need a large # of unicode characters in your vocab if you want to avoid UNKs. When you're at something like a 10B token dataset you end up needing around 5K for decent coverage. This is a significant percentage of your normal, say, 32K bpe vocab. To avoid that, we want lookup tables between utf-8 bytes and unicode strings. |
11,350 | import json
import os
import unicodedata
from functools import lru_cache
from typing import List, Optional, Tuple
import regex as re
from ...tokenization_utils import AddedToken, PreTrainedTokenizer, _is_control, _is_punctuation, _is_whitespace
from ...utils import logging
The provided code snippet includes necessary dependencies for implementing the `get_pairs` function. Write a Python function `def get_pairs(word)` to solve the following problem:
Return set of symbol pairs in a word. Word is represented as tuple of symbols (symbols being variable-length strings).
Here is the function:
def get_pairs(word):
"""
Return set of symbol pairs in a word.
Word is represented as tuple of symbols (symbols being variable-length strings).
"""
pairs = set()
prev_char = word[0]
for char in word[1:]:
pairs.add((prev_char, char))
prev_char = char
return pairs | Return set of symbol pairs in a word. Word is represented as tuple of symbols (symbols being variable-length strings). |
11,351 | import json
import os
import unicodedata
from functools import lru_cache
from typing import List, Optional, Tuple
import regex as re
from ...tokenization_utils import AddedToken, PreTrainedTokenizer, _is_control, _is_punctuation, _is_whitespace
from ...utils import logging
def whitespace_clean(text):
text = re.sub(r"\s+", " ", text)
text = text.strip()
return text | null |
11,352 | import json
import os
import unicodedata
from functools import lru_cache
from typing import List, Optional, Tuple
import regex as re
from ...tokenization_utils import AddedToken, PreTrainedTokenizer, _is_control, _is_punctuation, _is_whitespace
from ...utils import logging
The provided code snippet includes necessary dependencies for implementing the `whitespace_tokenize` function. Write a Python function `def whitespace_tokenize(text)` to solve the following problem:
Runs basic whitespace cleaning and splitting on a piece of text.
Here is the function:
def whitespace_tokenize(text):
"""Runs basic whitespace cleaning and splitting on a piece of text."""
text = text.strip()
if not text:
return []
tokens = text.split()
return tokens | Runs basic whitespace cleaning and splitting on a piece of text. |
11,353 | import argparse
import torch
from clip import load
from transformers import CLIPConfig, CLIPModel
def copy_text_model_and_projection(hf_model, pt_model):
# copy projection
hf_model.text_projection.weight.data = pt_model.text_projection.data.T
# copy text encoder
copy_encoder(hf_model.text_model, pt_model)
def copy_vison_model_and_projection(hf_model, pt_model):
# copy projection
hf_model.visual_projection.weight.data = pt_model.visual.proj.data.T
# copy layer norms
copy_linear(hf_model.vision_model.pre_layrnorm, pt_model.visual.ln_pre)
copy_linear(hf_model.vision_model.post_layernorm, pt_model.visual.ln_post)
# copy embeds
hf_model.vision_model.embeddings.patch_embedding.weight.data = pt_model.visual.conv1.weight.data
hf_model.vision_model.embeddings.class_embedding = pt_model.visual.class_embedding
hf_model.vision_model.embeddings.position_embedding.weight.data = pt_model.visual.positional_embedding.data
# copy encoder
copy_layers(hf_model.vision_model.encoder.layers, pt_model.visual.transformer.resblocks)
The provided code snippet includes necessary dependencies for implementing the `convert_clip_checkpoint` function. Write a Python function `def convert_clip_checkpoint(checkpoint_path, pytorch_dump_folder_path, config_path=None)` to solve the following problem:
Copy/paste/tweak model's weights to transformers design.
Here is the function:
def convert_clip_checkpoint(checkpoint_path, pytorch_dump_folder_path, config_path=None):
"""
Copy/paste/tweak model's weights to transformers design.
"""
if config_path is not None:
config = CLIPConfig.from_pretrained(config_path)
else:
config = CLIPConfig(projection_dim=512, text_config={}, vision_config={})
hf_model = CLIPModel(config).eval()
pt_model, _ = load(checkpoint_path, device="cpu", jit=False)
pt_model = pt_model.eval()
copy_text_model_and_projection(hf_model, pt_model)
copy_vison_model_and_projection(hf_model, pt_model)
hf_model.logit_scale = pt_model.logit_scale
input_ids = torch.arange(0, 77).unsqueeze(0)
pixel_values = torch.randn(1, 3, 224, 224)
hf_logits_per_image, hf_logits_per_text = hf_model(
input_ids=input_ids, pixel_values=pixel_values, return_dict=True
)[1:3]
pt_logits_per_image, pt_logits_per_text = pt_model(pixel_values, input_ids)
assert torch.allclose(hf_logits_per_image, pt_logits_per_image, atol=1e-3)
assert torch.allclose(hf_logits_per_text, pt_logits_per_text, atol=1e-3)
hf_model.save_pretrained(pytorch_dump_folder_path) | Copy/paste/tweak model's weights to transformers design. |
11,354 | import math
from dataclasses import dataclass
from typing import Any, Dict, Optional, Tuple, Union
import numpy as np
import tensorflow as tf
from ...activations_tf import get_tf_activation
from ...modeling_tf_outputs import TFBaseModelOutput, TFBaseModelOutputWithPooling
from ...modeling_tf_utils import (
DUMMY_INPUTS,
TFModelInputType,
TFPreTrainedModel,
get_initializer,
keras_serializable,
unpack_inputs,
)
from ...tf_utils import shape_list, stable_softmax
from ...utils import (
ModelOutput,
add_start_docstrings,
add_start_docstrings_to_model_forward,
logging,
replace_return_docstrings,
)
from .configuration_clip import CLIPConfig, CLIPTextConfig, CLIPVisionConfig
LARGE_NEGATIVE = -1e8
def shape_list(tensor: Union[tf.Tensor, np.ndarray]) -> List[int]:
"""
Deal with dynamic shape in tensorflow cleanly.
Args:
tensor (`tf.Tensor` or `np.ndarray`): The tensor we want the shape of.
Returns:
`List[int]`: The shape of the tensor as a list.
"""
if isinstance(tensor, np.ndarray):
return list(tensor.shape)
dynamic = tf.shape(tensor)
if tensor.shape == tf.TensorShape(None):
return dynamic
static = tensor.shape.as_list()
return [dynamic[i] if s is None else s for i, s in enumerate(static)]
The provided code snippet includes necessary dependencies for implementing the `_expand_mask` function. Write a Python function `def _expand_mask(mask: tf.Tensor, tgt_len: Optional[int] = None)` to solve the following problem:
Expands attention_mask from `[bsz, seq_len]` to `[bsz, 1, tgt_seq_len, src_seq_len]`.
Here is the function:
def _expand_mask(mask: tf.Tensor, tgt_len: Optional[int] = None):
"""
Expands attention_mask from `[bsz, seq_len]` to `[bsz, 1, tgt_seq_len, src_seq_len]`.
"""
src_len = shape_list(mask)[1]
tgt_len = tgt_len if tgt_len is not None else src_len
one_cst = tf.constant(1.0)
mask = tf.cast(mask, dtype=one_cst.dtype)
expanded_mask = tf.tile(mask[:, None, None, :], (1, 1, tgt_len, 1))
return (one_cst - expanded_mask) * LARGE_NEGATIVE | Expands attention_mask from `[bsz, seq_len]` to `[bsz, 1, tgt_seq_len, src_seq_len]`. |
11,355 | import math
from dataclasses import dataclass
from typing import Any, Dict, Optional, Tuple, Union
import numpy as np
import tensorflow as tf
from ...activations_tf import get_tf_activation
from ...modeling_tf_outputs import TFBaseModelOutput, TFBaseModelOutputWithPooling
from ...modeling_tf_utils import (
DUMMY_INPUTS,
TFModelInputType,
TFPreTrainedModel,
get_initializer,
keras_serializable,
unpack_inputs,
)
from ...tf_utils import shape_list, stable_softmax
from ...utils import (
ModelOutput,
add_start_docstrings,
add_start_docstrings_to_model_forward,
logging,
replace_return_docstrings,
)
from .configuration_clip import CLIPConfig, CLIPTextConfig, CLIPVisionConfig
def contrastive_loss(logits: tf.Tensor) -> tf.Tensor:
def clip_loss(similarity: tf.Tensor) -> tf.Tensor:
caption_loss = contrastive_loss(similarity)
image_loss = contrastive_loss(tf.transpose(similarity))
return (caption_loss + image_loss) / 2.0 | null |
11,356 | from dataclasses import dataclass
from typing import Any, Optional, Tuple, Union
import torch
import torch.utils.checkpoint
from torch import nn
from ...activations import ACT2FN
from ...modeling_outputs import BaseModelOutput, BaseModelOutputWithPooling
from ...modeling_utils import PreTrainedModel
from ...utils import (
ModelOutput,
add_start_docstrings,
add_start_docstrings_to_model_forward,
logging,
replace_return_docstrings,
)
from .configuration_clip import CLIPConfig, CLIPTextConfig, CLIPVisionConfig
The provided code snippet includes necessary dependencies for implementing the `_expand_mask` function. Write a Python function `def _expand_mask(mask: torch.Tensor, dtype: torch.dtype, tgt_len: Optional[int] = None)` to solve the following problem:
Expands attention_mask from `[bsz, seq_len]` to `[bsz, 1, tgt_seq_len, src_seq_len]`.
Here is the function:
def _expand_mask(mask: torch.Tensor, dtype: torch.dtype, tgt_len: Optional[int] = None):
"""
Expands attention_mask from `[bsz, seq_len]` to `[bsz, 1, tgt_seq_len, src_seq_len]`.
"""
bsz, src_len = mask.size()
tgt_len = tgt_len if tgt_len is not None else src_len
expanded_mask = mask[:, None, None, :].expand(bsz, 1, tgt_len, src_len).to(dtype)
inverted_mask = 1.0 - expanded_mask
return inverted_mask.masked_fill(inverted_mask.to(torch.bool), torch.finfo(dtype).min) | Expands attention_mask from `[bsz, seq_len]` to `[bsz, 1, tgt_seq_len, src_seq_len]`. |
11,357 | from dataclasses import dataclass
from typing import Any, Optional, Tuple, Union
import torch
import torch.utils.checkpoint
from torch import nn
from ...activations import ACT2FN
from ...modeling_outputs import BaseModelOutput, BaseModelOutputWithPooling
from ...modeling_utils import PreTrainedModel
from ...utils import (
ModelOutput,
add_start_docstrings,
add_start_docstrings_to_model_forward,
logging,
replace_return_docstrings,
)
from .configuration_clip import CLIPConfig, CLIPTextConfig, CLIPVisionConfig
def contrastive_loss(logits: torch.Tensor) -> torch.Tensor:
def clip_loss(similarity: torch.Tensor) -> torch.Tensor:
caption_loss = contrastive_loss(similarity)
image_loss = contrastive_loss(similarity.t())
return (caption_loss + image_loss) / 2.0 | null |
11,358 | import sys
from collections import namedtuple
from dataclasses import dataclass
from functools import reduce
from operator import mul
from typing import List, Optional, Tuple, Union
import numpy as np
import torch
from torch import nn
from torch.autograd.function import Function
from torch.nn import BCEWithLogitsLoss, CrossEntropyLoss, MSELoss
from ...activations import ACT2FN
from ...modeling_outputs import CausalLMOutput, MaskedLMOutput, QuestionAnsweringModelOutput, SequenceClassifierOutput
from ...modeling_utils import PreTrainedModel
from ...pytorch_utils import apply_chunking_to_forward
from ...utils import (
DUMMY_INPUTS,
DUMMY_MASK,
ModelOutput,
add_code_sample_docstrings,
add_start_docstrings,
add_start_docstrings_to_model_forward,
logging,
replace_return_docstrings,
)
from .configuration_reformer import ReformerConfig
def _stable_argsort(vector, dim):
# this function scales the vector so that torch.argsort is stable.
# torch.argsort is not stable on its own
scale_offset = torch.arange(vector.shape[dim], device=vector.device).view(1, 1, -1)
scale_offset = scale_offset.expand(vector.shape)
scaled_vector = vector.shape[dim] * vector + (scale_offset % vector.shape[dim])
return torch.argsort(scaled_vector, dim=dim) | null |
11,359 | import sys
from collections import namedtuple
from dataclasses import dataclass
from functools import reduce
from operator import mul
from typing import List, Optional, Tuple, Union
import numpy as np
import torch
from torch import nn
from torch.autograd.function import Function
from torch.nn import BCEWithLogitsLoss, CrossEntropyLoss, MSELoss
from ...activations import ACT2FN
from ...modeling_outputs import CausalLMOutput, MaskedLMOutput, QuestionAnsweringModelOutput, SequenceClassifierOutput
from ...modeling_utils import PreTrainedModel
from ...pytorch_utils import apply_chunking_to_forward
from ...utils import (
DUMMY_INPUTS,
DUMMY_MASK,
ModelOutput,
add_code_sample_docstrings,
add_start_docstrings,
add_start_docstrings_to_model_forward,
logging,
replace_return_docstrings,
)
from .configuration_reformer import ReformerConfig
def _get_least_common_mult_chunk_len(config):
attn_types = config.attn_layers
attn_types_set = set(attn_types)
if len(attn_types_set) == 1 and attn_types[0] == "lsh":
return config.lsh_attn_chunk_length
elif len(attn_types_set) == 1 and attn_types[0] == "local":
return config.local_attn_chunk_length
elif len(attn_types_set) == 2 and attn_types_set == set(["lsh", "local"]):
return np.lcm(config.lsh_attn_chunk_length, config.local_attn_chunk_length)
else:
raise NotImplementedError(
f"Only attn layer types 'lsh' and 'local' exist, but `config.attn_layers`: {config.attn_layers}. Select "
"attn layer types from ['lsh', 'local'] only."
) | null |
11,360 | import sys
from collections import namedtuple
from dataclasses import dataclass
from functools import reduce
from operator import mul
from typing import List, Optional, Tuple, Union
import numpy as np
import torch
from torch import nn
from torch.autograd.function import Function
from torch.nn import BCEWithLogitsLoss, CrossEntropyLoss, MSELoss
from ...activations import ACT2FN
from ...modeling_outputs import CausalLMOutput, MaskedLMOutput, QuestionAnsweringModelOutput, SequenceClassifierOutput
from ...modeling_utils import PreTrainedModel
from ...pytorch_utils import apply_chunking_to_forward
from ...utils import (
DUMMY_INPUTS,
DUMMY_MASK,
ModelOutput,
add_code_sample_docstrings,
add_start_docstrings,
add_start_docstrings_to_model_forward,
logging,
replace_return_docstrings,
)
from .configuration_reformer import ReformerConfig
def _get_min_chunk_len(config):
attn_types = config.attn_layers
attn_types_set = set(attn_types)
if len(attn_types_set) == 1 and attn_types[0] == "lsh":
return config.lsh_attn_chunk_length
elif len(attn_types_set) == 1 and attn_types[0] == "local":
return config.local_attn_chunk_length
elif len(attn_types_set) == 2 and attn_types_set == set(["lsh", "local"]):
return min(config.lsh_attn_chunk_length, config.local_attn_chunk_length)
else:
raise NotImplementedError(
f"Only attn layer types 'lsh' and 'local' exist, but `config.attn_layers`: {config.attn_layers}. Select "
"attn layer types from ['lsh', 'local'] only."
) | null |
11,361 | import argparse
import pickle
import numpy as np
import torch
from torch import nn
from transformers import ReformerConfig, ReformerModelWithLMHead
from transformers.utils import logging
def set_model_weights_in_torch(weights, torch_model, hidden_size):
def convert_trax_checkpoint_to_pytorch(trax_model_pkl_path, config_file, pytorch_dump_path):
# Initialise PyTorch model
config = ReformerConfig.from_json_file(config_file)
print(f"Building PyTorch model from configuration: {config}")
model = ReformerModelWithLMHead(config)
with open(trax_model_pkl_path, "rb") as f:
model_weights = pickle.load(f)["weights"]
set_model_weights_in_torch(model_weights, model, config.hidden_size)
# Save pytorch-model
print(f"Save PyTorch model to {pytorch_dump_path}")
torch.save(model.state_dict(), pytorch_dump_path) | null |
11,362 | import json
import os
import re
import unicodedata
from typing import Dict, List, Optional, Tuple
from ...tokenization_utils import PreTrainedTokenizer
from ...utils import logging
The provided code snippet includes necessary dependencies for implementing the `get_pairs` function. Write a Python function `def get_pairs(word)` to solve the following problem:
Return set of symbol pairs in a word. word is represented as tuple of symbols (symbols being variable-length strings)
Here is the function:
def get_pairs(word):
"""
Return set of symbol pairs in a word. word is represented as tuple of symbols (symbols being variable-length
strings)
"""
pairs = set()
prev_char = word[0]
for char in word[1:]:
pairs.add((prev_char, char))
prev_char = char
return pairs | Return set of symbol pairs in a word. word is represented as tuple of symbols (symbols being variable-length strings) |
11,363 | import json
import os
import re
import unicodedata
from typing import Dict, List, Optional, Tuple
from ...tokenization_utils import PreTrainedTokenizer
from ...utils import logging
The provided code snippet includes necessary dependencies for implementing the `replace_unicode_punct` function. Write a Python function `def replace_unicode_punct(text)` to solve the following problem:
Port of https://github.com/moses-smt/mosesdecoder/blob/master/scripts/tokenizer/replace-unicode-punctuation.perl
Here is the function:
def replace_unicode_punct(text):
"""
Port of https://github.com/moses-smt/mosesdecoder/blob/master/scripts/tokenizer/replace-unicode-punctuation.perl
"""
text = text.replace("，", ",")
text = re.sub(r"。\s*", ". ", text)
text = text.replace("、", ",")
text = text.replace("”", '"')
text = text.replace("“", '"')
text = text.replace("∶", ":")
text = text.replace("：", ":")
text = text.replace("？", "?")
text = text.replace("《", '"')
text = text.replace("》", '"')
text = text.replace("）", ")")
text = text.replace("！", "!")
text = text.replace("（", "(")
text = text.replace("；", ";")
text = text.replace("１", "1")
text = text.replace("」", '"')
text = text.replace("「", '"')
text = text.replace("０", "0")
text = text.replace("３", "3")
text = text.replace("２", "2")
text = text.replace("５", "5")
text = text.replace("６", "6")
text = text.replace("９", "9")
text = text.replace("７", "7")
text = text.replace("８", "8")
text = text.replace("４", "4")
text = re.sub(r"．\s*", ". ", text)
text = text.replace("～", "~")
text = text.replace("’", "'")
text = text.replace("…", "...")
text = text.replace("━", "-")
text = text.replace("〈", "<")
text = text.replace("〉", ">")
text = text.replace("【", "[")
text = text.replace("】", "]")
text = text.replace("％", "%")
return text | Port of https://github.com/moses-smt/mosesdecoder/blob/master/scripts/tokenizer/replace-unicode-punctuation.perl |
11,364 | import json
import os
import re
import unicodedata
from typing import Dict, List, Optional, Tuple
from ...tokenization_utils import PreTrainedTokenizer
from ...utils import logging
The provided code snippet includes necessary dependencies for implementing the `remove_non_printing_char` function. Write a Python function `def remove_non_printing_char(text)` to solve the following problem:
Port of https://github.com/moses-smt/mosesdecoder/blob/master/scripts/tokenizer/remove-non-printing-char.perl
Here is the function:
def remove_non_printing_char(text):
"""
Port of https://github.com/moses-smt/mosesdecoder/blob/master/scripts/tokenizer/remove-non-printing-char.perl
"""
output = []
for char in text:
cat = unicodedata.category(char)
if cat.startswith("C"):
continue
output.append(char)
return "".join(output) | Port of https://github.com/moses-smt/mosesdecoder/blob/master/scripts/tokenizer/remove-non-printing-char.perl |
11,365 | import argparse
import json
import os
import re
from collections import OrderedDict
from os.path import basename, dirname
import fairseq
import torch
from fairseq import hub_utils
from fairseq.data.dictionary import Dictionary
from transformers import FSMTConfig, FSMTForConditionalGeneration
from transformers.models.fsmt.tokenization_fsmt import VOCAB_FILES_NAMES
from transformers.tokenization_utils_base import TOKENIZER_CONFIG_FILE
from transformers.utils import WEIGHTS_NAME, logging
json_indent = 2
best_score_hparams = {
# fairseq:
"wmt19-ru-en": {"length_penalty": 1.1},
"wmt19-en-ru": {"length_penalty": 1.15},
"wmt19-en-de": {"length_penalty": 1.0},
"wmt19-de-en": {"length_penalty": 1.1},
# allenai:
"wmt16-en-de-dist-12-1": {"length_penalty": 0.6},
"wmt16-en-de-dist-6-1": {"length_penalty": 0.6},
"wmt16-en-de-12-1": {"length_penalty": 0.8},
"wmt19-de-en-6-6-base": {"length_penalty": 0.6},
"wmt19-de-en-6-6-big": {"length_penalty": 0.6},
}
def rewrite_dict_keys(d):
# (1) remove word breaking symbol, (2) add word ending symbol where the word is not broken up,
# e.g.: d = {'le@@': 5, 'tt@@': 6, 'er': 7} => {'le': 5, 'tt': 6, 'er</w>': 7}
d2 = dict((re.sub(r"@@$", "", k), v) if k.endswith("@@") else (re.sub(r"$", "</w>", k), v) for k, v in d.items())
keep_keys = "<s> <pad> </s> <unk>".split()
# restore the special tokens
for k in keep_keys:
del d2[f"{k}</w>"]
d2[k] = d[k] # restore
return d2
def convert_fsmt_checkpoint_to_pytorch(fsmt_checkpoint_path, pytorch_dump_folder_path):
# prep
assert os.path.exists(fsmt_checkpoint_path)
os.makedirs(pytorch_dump_folder_path, exist_ok=True)
print(f"Writing results to {pytorch_dump_folder_path}")
# handle various types of models
checkpoint_file = basename(fsmt_checkpoint_path)
fsmt_folder_path = dirname(fsmt_checkpoint_path)
cls = fairseq.model_parallel.models.transformer.ModelParallelTransformerModel
models = cls.hub_models()
kwargs = {"bpe": "fastbpe", "tokenizer": "moses"}
data_name_or_path = "."
# note: since the model dump is old, fairseq has upgraded its model some
# time later, and it does a whole lot of rewrites and splits on the saved
# weights, therefore we can't use torch.load() directly on the model file.
# see: upgrade_state_dict(state_dict) in fairseq_model.py
print(f"using checkpoint {checkpoint_file}")
chkpt = hub_utils.from_pretrained(
fsmt_folder_path, checkpoint_file, data_name_or_path, archive_map=models, **kwargs
)
args = vars(chkpt["args"]["model"])
src_lang = args["source_lang"]
tgt_lang = args["target_lang"]
data_root = dirname(pytorch_dump_folder_path)
model_dir = basename(pytorch_dump_folder_path)
# dicts
src_dict_file = os.path.join(fsmt_folder_path, f"dict.{src_lang}.txt")
tgt_dict_file = os.path.join(fsmt_folder_path, f"dict.{tgt_lang}.txt")
src_dict = Dictionary.load(src_dict_file)
src_vocab = rewrite_dict_keys(src_dict.indices)
src_vocab_size = len(src_vocab)
src_vocab_file = os.path.join(pytorch_dump_folder_path, "vocab-src.json")
print(f"Generating {src_vocab_file} of {src_vocab_size} of {src_lang} records")
with open(src_vocab_file, "w", encoding="utf-8") as f:
f.write(json.dumps(src_vocab, ensure_ascii=False, indent=json_indent))
# detect whether this is a do_lower_case situation, which can be derived by checking whether we
# have at least one uppercase letter in the source vocab
do_lower_case = True
for k in src_vocab.keys():
if not k.islower():
do_lower_case = False
break
tgt_dict = Dictionary.load(tgt_dict_file)
tgt_vocab = rewrite_dict_keys(tgt_dict.indices)
tgt_vocab_size = len(tgt_vocab)
tgt_vocab_file = os.path.join(pytorch_dump_folder_path, "vocab-tgt.json")
print(f"Generating {tgt_vocab_file} of {tgt_vocab_size} of {tgt_lang} records")
with open(tgt_vocab_file, "w", encoding="utf-8") as f:
f.write(json.dumps(tgt_vocab, ensure_ascii=False, indent=json_indent))
# merges_file (bpecodes)
merges_file = os.path.join(pytorch_dump_folder_path, VOCAB_FILES_NAMES["merges_file"])
for fn in ["bpecodes", "code"]: # older fairseq called the merges file "code"
fsmt_merges_file = os.path.join(fsmt_folder_path, fn)
if os.path.exists(fsmt_merges_file):
break
with open(fsmt_merges_file, encoding="utf-8") as fin:
merges = fin.read()
merges = re.sub(r" \d+$", "", merges, 0, re.M) # remove frequency number
print(f"Generating {merges_file}")
with open(merges_file, "w", encoding="utf-8") as fout:
fout.write(merges)
# model config
fsmt_model_config_file = os.path.join(pytorch_dump_folder_path, "config.json")
# validate bpe/tokenizer config, as currently it's hardcoded to moses+fastbpe -
# may have to modify the tokenizer if a different type is used by a future model
assert args["bpe"] == "fastbpe", f"need to extend tokenizer to support bpe={args['bpe']}"
assert args["tokenizer"] == "moses", f"need to extend tokenizer to support bpe={args['tokenizer']}"
model_conf = {
"architectures": ["FSMTForConditionalGeneration"],
"model_type": "fsmt",
"activation_dropout": args["activation_dropout"],
"activation_function": "relu",
"attention_dropout": args["attention_dropout"],
"d_model": args["decoder_embed_dim"],
"dropout": args["dropout"],
"init_std": 0.02,
"max_position_embeddings": args["max_source_positions"],
"num_hidden_layers": args["encoder_layers"],
"src_vocab_size": src_vocab_size,
"tgt_vocab_size": tgt_vocab_size,
"langs": [src_lang, tgt_lang],
"encoder_attention_heads": args["encoder_attention_heads"],
"encoder_ffn_dim": args["encoder_ffn_embed_dim"],
"encoder_layerdrop": args["encoder_layerdrop"],
"encoder_layers": args["encoder_layers"],
"decoder_attention_heads": args["decoder_attention_heads"],
"decoder_ffn_dim": args["decoder_ffn_embed_dim"],
"decoder_layerdrop": args["decoder_layerdrop"],
"decoder_layers": args["decoder_layers"],
"bos_token_id": 0,
"pad_token_id": 1,
"eos_token_id": 2,
"is_encoder_decoder": True,
"scale_embedding": not args["no_scale_embedding"],
"tie_word_embeddings": args["share_all_embeddings"],
}
# good hparam defaults to start with
model_conf["num_beams"] = 5
model_conf["early_stopping"] = False
if model_dir in best_score_hparams and "length_penalty" in best_score_hparams[model_dir]:
model_conf["length_penalty"] = best_score_hparams[model_dir]["length_penalty"]
else:
model_conf["length_penalty"] = 1.0
print(f"Generating {fsmt_model_config_file}")
with open(fsmt_model_config_file, "w", encoding="utf-8") as f:
f.write(json.dumps(model_conf, ensure_ascii=False, indent=json_indent))
# tokenizer config
fsmt_tokenizer_config_file = os.path.join(pytorch_dump_folder_path, TOKENIZER_CONFIG_FILE)
tokenizer_conf = {
"langs": [src_lang, tgt_lang],
"model_max_length": 1024,
"do_lower_case": do_lower_case,
}
print(f"Generating {fsmt_tokenizer_config_file}")
with open(fsmt_tokenizer_config_file, "w", encoding="utf-8") as f:
f.write(json.dumps(tokenizer_conf, ensure_ascii=False, indent=json_indent))
# model
model = chkpt["models"][0]
model_state_dict = model.state_dict()
# rename keys to start with 'model.'
model_state_dict = OrderedDict(("model." + k, v) for k, v in model_state_dict.items())
# remove unneeded keys
ignore_keys = [
"model.model",
"model.encoder.version",
"model.decoder.version",
"model.encoder_embed_tokens.weight",
"model.decoder_embed_tokens.weight",
"model.encoder.embed_positions._float_tensor",
"model.decoder.embed_positions._float_tensor",
]
for k in ignore_keys:
model_state_dict.pop(k, None)
config = FSMTConfig.from_pretrained(pytorch_dump_folder_path)
model_new = FSMTForConditionalGeneration(config)
# check that it loads ok
model_new.load_state_dict(model_state_dict, strict=False)
# save
pytorch_weights_dump_path = os.path.join(pytorch_dump_folder_path, WEIGHTS_NAME)
print(f"Generating {pytorch_weights_dump_path}")
torch.save(model_state_dict, pytorch_weights_dump_path)
print("Conversion is done!")
print("\nLast step is to upload the files to s3")
print(f"cd {data_root}")
print(f"transformers-cli upload {model_dir}") | null |
11,366 | import math
import random
from typing import Any, Dict, List, Optional, Tuple, Union
import torch
from torch import Tensor, nn
from torch.nn import CrossEntropyLoss, LayerNorm
from ...activations import ACT2FN
from ...deepspeed import is_deepspeed_zero3_enabled
from ...modeling_outputs import (
BaseModelOutput,
BaseModelOutputWithPastAndCrossAttentions,
Seq2SeqLMOutput,
Seq2SeqModelOutput,
)
from ...modeling_utils import PreTrainedModel
from ...utils import (
add_code_sample_docstrings,
add_end_docstrings,
add_start_docstrings,
add_start_docstrings_to_model_forward,
logging,
replace_return_docstrings,
)
from .configuration_fsmt import FSMTConfig
def invert_mask(attention_mask):
"""Turns 1->0, 0->1, False->True, True-> False"""
assert attention_mask.dim() == 2
return attention_mask.eq(0)
def triu_onnx(x, diagonal=0):
l = x.shape[0]
arange = torch.arange(l, device=x.device)
mask = arange.expand(l, l)
arange = arange.unsqueeze(-1)
if diagonal:
arange = arange + diagonal
mask = mask >= arange
return x.masked_fill(mask == 0, 0)
def shift_tokens_right(input_ids, pad_token_id):
"""Shift input ids one token to the right, and wrap the last non pad token (usually <eos>)."""
# replace possible -100 values in labels by `pad_token_id`
input_ids.masked_fill_(input_ids == -100, pad_token_id)
prev_output_tokens = input_ids.clone()
index_of_eos = (input_ids.ne(pad_token_id).sum(dim=1) - 1).unsqueeze(-1)
prev_output_tokens[:, 0] = input_ids.gather(1, index_of_eos).squeeze()
prev_output_tokens[:, 1:] = input_ids[:, :-1]
return prev_output_tokens
def make_padding_mask(input_ids, padding_idx=1):
"""True for pad tokens"""
padding_mask = input_ids.eq(padding_idx)
if not padding_mask.any():
padding_mask = None
return padding_mask
def fill_with_neg_inf(t):
"""FP16-compatible function that fills a input_ids with -inf."""
return t.float().fill_(torch.finfo(t.dtype).min).type_as(t)
The provided code snippet includes necessary dependencies for implementing the `_prepare_fsmt_decoder_inputs` function. Write a Python function `def _prepare_fsmt_decoder_inputs( config, input_ids, decoder_input_ids=None, decoder_padding_mask=None, causal_mask_dtype=torch.float32, )` to solve the following problem:
Prepare masks that ignore padding tokens in the decoder and a causal mask for the decoder if none are provided. This mimics the default behavior in fairseq. To override it pass in masks. Note: this is not called during generation
Here is the function:
def _prepare_fsmt_decoder_inputs(
config,
input_ids,
decoder_input_ids=None,
decoder_padding_mask=None,
causal_mask_dtype=torch.float32,
):
"""
Prepare masks that ignore padding tokens in the decoder and a causal mask for the decoder if none are provided.
This mimics the default behavior in fairseq. To override it pass in masks. Note: this is not called during
generation
"""
pad_token_id = config.pad_token_id
if decoder_input_ids is None:
decoder_input_ids = shift_tokens_right(input_ids, pad_token_id)
bsz, tgt_len = decoder_input_ids.size()
if decoder_padding_mask is None:
decoder_padding_mask = make_padding_mask(decoder_input_ids, pad_token_id)
else:
decoder_padding_mask = invert_mask(decoder_padding_mask)
causal_mask = triu_onnx(fill_with_neg_inf(torch.zeros(tgt_len, tgt_len, dtype=causal_mask_dtype)), 1).to(
device=decoder_input_ids.device
)
return decoder_input_ids, decoder_padding_mask, causal_mask | Prepare masks that ignore padding tokens in the decoder and a causal mask for the decoder if none are provided. This mimics the default behavior in fairseq. To override it pass in masks. Note: this is not called during generation |
11,367 | import math
import random
from typing import Any, Dict, List, Optional, Tuple, Union
import torch
from torch import Tensor, nn
from torch.nn import CrossEntropyLoss, LayerNorm
from ...activations import ACT2FN
from ...deepspeed import is_deepspeed_zero3_enabled
from ...modeling_outputs import (
BaseModelOutput,
BaseModelOutputWithPastAndCrossAttentions,
Seq2SeqLMOutput,
Seq2SeqModelOutput,
)
from ...modeling_utils import PreTrainedModel
from ...utils import (
add_code_sample_docstrings,
add_end_docstrings,
add_start_docstrings,
add_start_docstrings_to_model_forward,
logging,
replace_return_docstrings,
)
from .configuration_fsmt import FSMTConfig
def _make_linear_from_emb(emb):
vocab_size, emb_size = emb.weight.shape
lin_layer = nn.Linear(vocab_size, emb_size, bias=False)
lin_layer.weight.data = emb.weight.data
return lin_layer | null |
11,368 | import math
import random
from typing import Any, Dict, List, Optional, Tuple, Union
import torch
from torch import Tensor, nn
from torch.nn import CrossEntropyLoss, LayerNorm
from ...activations import ACT2FN
from ...deepspeed import is_deepspeed_zero3_enabled
from ...modeling_outputs import (
BaseModelOutput,
BaseModelOutputWithPastAndCrossAttentions,
Seq2SeqLMOutput,
Seq2SeqModelOutput,
)
from ...modeling_utils import PreTrainedModel
from ...utils import (
add_code_sample_docstrings,
add_end_docstrings,
add_start_docstrings,
add_start_docstrings_to_model_forward,
logging,
replace_return_docstrings,
)
from .configuration_fsmt import FSMTConfig
def _check_shapes(shape_1, shape2):
if shape_1 != shape2:
raise AssertionError(f"shape mismatch: {shape_1} != {shape2}") | null |
11,369 | import math
import random
from typing import Any, Dict, List, Optional, Tuple, Union
import torch
from torch import Tensor, nn
from torch.nn import CrossEntropyLoss, LayerNorm
from ...activations import ACT2FN
from ...deepspeed import is_deepspeed_zero3_enabled
from ...modeling_outputs import (
BaseModelOutput,
BaseModelOutputWithPastAndCrossAttentions,
Seq2SeqLMOutput,
Seq2SeqModelOutput,
)
from ...modeling_utils import PreTrainedModel
from ...utils import (
add_code_sample_docstrings,
add_end_docstrings,
add_start_docstrings,
add_start_docstrings_to_model_forward,
logging,
replace_return_docstrings,
)
from .configuration_fsmt import FSMTConfig
def _reorder_buffer(attn_cache, new_order):
for k, input_buffer_k in attn_cache.items():
if input_buffer_k is not None:
attn_cache[k] = input_buffer_k.index_select(0, new_order)
return attn_cache | null |
11,370 | import math
import random
from typing import Any, Dict, List, Optional, Tuple, Union
import torch
from torch import Tensor, nn
from torch.nn import CrossEntropyLoss, LayerNorm
from ...activations import ACT2FN
from ...deepspeed import is_deepspeed_zero3_enabled
from ...modeling_outputs import (
BaseModelOutput,
BaseModelOutputWithPastAndCrossAttentions,
Seq2SeqLMOutput,
Seq2SeqModelOutput,
)
from ...modeling_utils import PreTrainedModel
from ...utils import (
add_code_sample_docstrings,
add_end_docstrings,
add_start_docstrings,
add_start_docstrings_to_model_forward,
logging,
replace_return_docstrings,
)
from .configuration_fsmt import FSMTConfig
def _get_shape(t):
return getattr(t, "shape", None) | null |
11,371 | import math
import os
from dataclasses import dataclass
from typing import List, Optional, Tuple, Union
import torch
import torch.utils.checkpoint
from torch import nn
from torch.nn import BCEWithLogitsLoss, CrossEntropyLoss, MSELoss
from ...activations import ACT2FN, get_activation
from ...modeling_outputs import (
BaseModelOutputWithCrossAttentions,
BaseModelOutputWithPastAndCrossAttentions,
CausalLMOutputWithCrossAttentions,
MaskedLMOutput,
MultipleChoiceModelOutput,
QuestionAnsweringModelOutput,
SequenceClassifierOutput,
TokenClassifierOutput,
)
from ...modeling_utils import PreTrainedModel, SequenceSummary
from ...pytorch_utils import apply_chunking_to_forward, find_pruneable_heads_and_indices, prune_linear_layer
from ...utils import (
ModelOutput,
add_code_sample_docstrings,
add_start_docstrings,
add_start_docstrings_to_model_forward,
logging,
replace_return_docstrings,
)
from .configuration_electra import ElectraConfig
logger = logging.get_logger(__name__)
class ElectraForMaskedLM(ElectraPreTrainedModel):
def __init__(self, config):
super().__init__(config)
self.electra = ElectraModel(config)
self.generator_predictions = ElectraGeneratorPredictions(config)
self.generator_lm_head = nn.Linear(config.embedding_size, config.vocab_size)
# Initialize weights and apply final processing
self.post_init()
def get_output_embeddings(self):
return self.generator_lm_head
def set_output_embeddings(self, word_embeddings):
self.generator_lm_head = word_embeddings
processor_class=_TOKENIZER_FOR_DOC,
checkpoint="google/electra-small-generator",
output_type=MaskedLMOutput,
config_class=_CONFIG_FOR_DOC,
mask="[MASK]",
expected_output="'paris'",
expected_loss=1.22,
)
def forward(
self,
input_ids: Optional[torch.Tensor] = None,
attention_mask: Optional[torch.Tensor] = None,
token_type_ids: Optional[torch.Tensor] = None,
position_ids: Optional[torch.Tensor] = None,
head_mask: Optional[torch.Tensor] = None,
inputs_embeds: Optional[torch.Tensor] = None,
labels: Optional[torch.Tensor] = None,
output_attentions: Optional[bool] = None,
output_hidden_states: Optional[bool] = None,
return_dict: Optional[bool] = None,
) -> Union[Tuple[torch.Tensor], MaskedLMOutput]:
r"""
labels (`torch.LongTensor` of shape `(batch_size, sequence_length)`, *optional*):
Labels for computing the masked language modeling loss. Indices should be in `[-100, 0, ...,
config.vocab_size]` (see `input_ids` docstring) Tokens with indices set to `-100` are ignored (masked), the
loss is only computed for the tokens with labels in `[0, ..., config.vocab_size]`
"""
return_dict = return_dict if return_dict is not None else self.config.use_return_dict
generator_hidden_states = self.electra(
input_ids,
attention_mask=attention_mask,
token_type_ids=token_type_ids,
position_ids=position_ids,
head_mask=head_mask,
inputs_embeds=inputs_embeds,
output_attentions=output_attentions,
output_hidden_states=output_hidden_states,
return_dict=return_dict,
)
generator_sequence_output = generator_hidden_states[0]
prediction_scores = self.generator_predictions(generator_sequence_output)
prediction_scores = self.generator_lm_head(prediction_scores)
loss = None
# Masked language modeling softmax layer
if labels is not None:
loss_fct = nn.CrossEntropyLoss() # -100 index = padding token
loss = loss_fct(prediction_scores.view(-1, self.config.vocab_size), labels.view(-1))
if not return_dict:
output = (prediction_scores,) + generator_hidden_states[1:]
return ((loss,) + output) if loss is not None else output
return MaskedLMOutput(
loss=loss,
logits=prediction_scores,
hidden_states=generator_hidden_states.hidden_states,
attentions=generator_hidden_states.attentions,
)
"""
Electra model with a token classification head on top.
Both the discriminator and generator may be loaded into this model.
""",
ELECTRA_START_DOCSTRING,
The provided code snippet includes necessary dependencies for implementing the `load_tf_weights_in_electra` function. Write a Python function `def load_tf_weights_in_electra(model, config, tf_checkpoint_path, discriminator_or_generator="discriminator")` to solve the following problem:
Load tf checkpoints in a pytorch model.
Here is the function:
def load_tf_weights_in_electra(model, config, tf_checkpoint_path, discriminator_or_generator="discriminator"):
"""Load tf checkpoints in a pytorch model."""
try:
import re
import numpy as np
import tensorflow as tf
except ImportError:
logger.error(
"Loading a TensorFlow model in PyTorch, requires TensorFlow to be installed. Please see "
"https://www.tensorflow.org/install/ for installation instructions."
)
raise
tf_path = os.path.abspath(tf_checkpoint_path)
logger.info(f"Converting TensorFlow checkpoint from {tf_path}")
# Load weights from TF model
init_vars = tf.train.list_variables(tf_path)
names = []
arrays = []
for name, shape in init_vars:
logger.info(f"Loading TF weight {name} with shape {shape}")
array = tf.train.load_variable(tf_path, name)
names.append(name)
arrays.append(array)
for name, array in zip(names, arrays):
original_name: str = name
try:
if isinstance(model, ElectraForMaskedLM):
name = name.replace("electra/embeddings/", "generator/embeddings/")
if discriminator_or_generator == "generator":
name = name.replace("electra/", "discriminator/")
name = name.replace("generator/", "electra/")
name = name.replace("dense_1", "dense_prediction")
name = name.replace("generator_predictions/output_bias", "generator_lm_head/bias")
name = name.split("/")
# print(original_name, name)
# adam_v and adam_m are variables used in AdamWeightDecayOptimizer to calculated m and v
# which are not required for using pretrained model
if any(n in ["global_step", "temperature"] for n in name):
logger.info(f"Skipping {original_name}")
continue
pointer = model
for m_name in name:
if re.fullmatch(r"[A-Za-z]+_\d+", m_name):
scope_names = re.split(r"_(\d+)", m_name)
else:
scope_names = [m_name]
if scope_names[0] == "kernel" or scope_names[0] == "gamma":
pointer = getattr(pointer, "weight")
elif scope_names[0] == "output_bias" or scope_names[0] == "beta":
pointer = getattr(pointer, "bias")
elif scope_names[0] == "output_weights":
pointer = getattr(pointer, "weight")
elif scope_names[0] == "squad":
pointer = getattr(pointer, "classifier")
else:
pointer = getattr(pointer, scope_names[0])
if len(scope_names) >= 2:
num = int(scope_names[1])
pointer = pointer[num]
if m_name.endswith("_embeddings"):
pointer = getattr(pointer, "weight")
elif m_name == "kernel":
array = np.transpose(array)
try:
if pointer.shape != array.shape:
raise ValueError(f"Pointer shape {pointer.shape} and array shape {array.shape} mismatched")
except AssertionError as e:
e.args += (pointer.shape, array.shape)
raise
print(f"Initialize PyTorch weight {name}", original_name)
pointer.data = torch.from_numpy(array)
except AttributeError as e:
print(f"Skipping {original_name}", name, e)
continue
return model | Load tf checkpoints in a pytorch model. |
11,372 | import argparse
import torch
from transformers import ElectraConfig, ElectraForMaskedLM, ElectraForPreTraining, load_tf_weights_in_electra
from transformers.utils import logging
def convert_tf_checkpoint_to_pytorch(tf_checkpoint_path, config_file, pytorch_dump_path, discriminator_or_generator):
# Initialise PyTorch model
config = ElectraConfig.from_json_file(config_file)
print(f"Building PyTorch model from configuration: {config}")
if discriminator_or_generator == "discriminator":
model = ElectraForPreTraining(config)
elif discriminator_or_generator == "generator":
model = ElectraForMaskedLM(config)
else:
raise ValueError("The discriminator_or_generator argument should be either 'discriminator' or 'generator'")
# Load weights from tf checkpoint
load_tf_weights_in_electra(
model, config, tf_checkpoint_path, discriminator_or_generator=discriminator_or_generator
)
# Save pytorch-model
print(f"Save PyTorch model to {pytorch_dump_path}")
torch.save(model.state_dict(), pytorch_dump_path) | null |
11,373 | from typing import Callable, Optional, Tuple
import numpy as np
import flax
import flax.linen as nn
import jax
import jax.numpy as jnp
from flax.core.frozen_dict import FrozenDict, freeze, unfreeze
from flax.linen import combine_masks, make_causal_mask
from flax.linen import partitioning as nn_partitioning
from flax.linen.attention import dot_product_attention_weights
from flax.traverse_util import flatten_dict, unflatten_dict
from jax import lax
from ...modeling_flax_outputs import (
FlaxBaseModelOutput,
FlaxBaseModelOutputWithPastAndCrossAttentions,
FlaxCausalLMOutputWithCrossAttentions,
FlaxMaskedLMOutput,
FlaxMultipleChoiceModelOutput,
FlaxQuestionAnsweringModelOutput,
FlaxSequenceClassifierOutput,
FlaxTokenClassifierOutput,
)
from ...modeling_flax_utils import (
ACT2FN,
FlaxPreTrainedModel,
append_call_sample_docstring,
append_replace_return_docstrings,
overwrite_call_docstring,
)
from ...utils import ModelOutput, add_start_docstrings, add_start_docstrings_to_model_forward, logging
from .configuration_electra import ElectraConfig
def identity(x, **kwargs):
return x | null |
11,376 | import argparse
import os
import torch
from transformers.utils import WEIGHTS_NAME
OLD_KEY = "lm_head.decoder.weight"
NEW_KEY = "lm_head.weight"
def convert_dialogpt_checkpoint(checkpoint_path: str, pytorch_dump_folder_path: str):
d = torch.load(checkpoint_path)
d[NEW_KEY] = d.pop(OLD_KEY)
os.makedirs(pytorch_dump_folder_path, exist_ok=True)
torch.save(d, os.path.join(pytorch_dump_folder_path, WEIGHTS_NAME)) | null |
11,377 | import collections.abc
import math
from dataclasses import dataclass
from typing import Any, Dict, Optional, Tuple, Union
import numpy as np
import tensorflow as tf
from ...activations_tf import get_tf_activation
from ...modeling_tf_outputs import TFBaseModelOutput, TFBaseModelOutputWithPooling
from ...modeling_tf_utils import (
DUMMY_INPUTS,
TFModelInputType,
TFPreTrainedModel,
get_initializer,
keras_serializable,
unpack_inputs,
)
from ...tf_utils import shape_list, stable_softmax
from ...utils import (
ModelOutput,
add_start_docstrings,
add_start_docstrings_to_model_forward,
is_tensorflow_probability_available,
logging,
replace_return_docstrings,
)
from .configuration_groupvit import GroupViTConfig, GroupViTTextConfig, GroupViTVisionConfig
LARGE_NEGATIVE = -1e8
def shape_list(tensor: Union[tf.Tensor, np.ndarray]) -> List[int]:
"""
Deal with dynamic shape in tensorflow cleanly.
Args:
tensor (`tf.Tensor` or `np.ndarray`): The tensor we want the shape of.
Returns:
`List[int]`: The shape of the tensor as a list.
"""
if isinstance(tensor, np.ndarray):
return list(tensor.shape)
dynamic = tf.shape(tensor)
if tensor.shape == tf.TensorShape(None):
return dynamic
static = tensor.shape.as_list()
return [dynamic[i] if s is None else s for i, s in enumerate(static)]
The provided code snippet includes necessary dependencies for implementing the `_expand_mask` function. Write a Python function `def _expand_mask(mask: tf.Tensor, tgt_len: Optional[int] = None)` to solve the following problem:
Expands attention_mask from `[bsz, seq_len]` to `[bsz, 1, tgt_seq_len, src_seq_len]`.
Here is the function:
def _expand_mask(mask: tf.Tensor, tgt_len: Optional[int] = None):
"""
Expands attention_mask from `[bsz, seq_len]` to `[bsz, 1, tgt_seq_len, src_seq_len]`.
"""
src_len = shape_list(mask)[1]
tgt_len = tgt_len if tgt_len is not None else src_len
one_cst = tf.constant(1.0)
mask = tf.cast(mask, dtype=one_cst.dtype)
expanded_mask = tf.tile(mask[:, None, None, :], (1, 1, tgt_len, 1))
return (one_cst - expanded_mask) * LARGE_NEGATIVE | Expands attention_mask from `[bsz, seq_len]` to `[bsz, 1, tgt_seq_len, src_seq_len]`. |
11,378 | import collections.abc
import math
from dataclasses import dataclass
from typing import Any, Dict, Optional, Tuple, Union
import numpy as np
import tensorflow as tf
from ...activations_tf import get_tf_activation
from ...modeling_tf_outputs import TFBaseModelOutput, TFBaseModelOutputWithPooling
from ...modeling_tf_utils import (
DUMMY_INPUTS,
TFModelInputType,
TFPreTrainedModel,
get_initializer,
keras_serializable,
unpack_inputs,
)
from ...tf_utils import shape_list, stable_softmax
from ...utils import (
ModelOutput,
add_start_docstrings,
add_start_docstrings_to_model_forward,
is_tensorflow_probability_available,
logging,
replace_return_docstrings,
)
from .configuration_groupvit import GroupViTConfig, GroupViTTextConfig, GroupViTVisionConfig
def contrastive_loss(logits: tf.Tensor) -> tf.Tensor:
def groupvit_loss(similarity: tf.Tensor) -> tf.Tensor:
caption_loss = contrastive_loss(similarity)
image_loss = contrastive_loss(tf.transpose(similarity))
return (caption_loss + image_loss) / 2.0 | null |
11,379 | import collections.abc
import math
from dataclasses import dataclass
from typing import Any, Dict, Optional, Tuple, Union
import numpy as np
import tensorflow as tf
from ...activations_tf import get_tf_activation
from ...modeling_tf_outputs import TFBaseModelOutput, TFBaseModelOutputWithPooling
from ...modeling_tf_utils import (
DUMMY_INPUTS,
TFModelInputType,
TFPreTrainedModel,
get_initializer,
keras_serializable,
unpack_inputs,
)
from ...tf_utils import shape_list, stable_softmax
from ...utils import (
ModelOutput,
add_start_docstrings,
add_start_docstrings_to_model_forward,
is_tensorflow_probability_available,
logging,
replace_return_docstrings,
)
from .configuration_groupvit import GroupViTConfig, GroupViTTextConfig, GroupViTVisionConfig
def shape_list(tensor: Union[tf.Tensor, np.ndarray]) -> List[int]:
def stable_softmax(logits: tf.Tensor, axis: Optional[int] = None, name: Optional[str] = None) -> tf.Tensor:
def hard_softmax(logits: tf.Tensor, dim: int) -> tf.Tensor:
y_soft = stable_softmax(logits, dim)
# Straight through.
index = tf.argmax(y_soft, dim)
y_hard = tf.one_hot(
index,
depth=shape_list(logits)[dim],
# TensorFlow expects axis to be -1 or between [0, 3). But received: -2
# This is why the following code snippet is used.
axis=range(len(shape_list(logits)))[dim],
dtype=y_soft.dtype,
)
ret = y_hard - tf.stop_gradient(y_soft) + y_soft
return ret | null |
11,380 | import collections.abc
import math
from dataclasses import dataclass
from typing import Any, Dict, Optional, Tuple, Union
import numpy as np
import tensorflow as tf
from ...activations_tf import get_tf_activation
from ...modeling_tf_outputs import TFBaseModelOutput, TFBaseModelOutputWithPooling
from ...modeling_tf_utils import (
DUMMY_INPUTS,
TFModelInputType,
TFPreTrainedModel,
get_initializer,
keras_serializable,
unpack_inputs,
)
from ...tf_utils import shape_list, stable_softmax
from ...utils import (
ModelOutput,
add_start_docstrings,
add_start_docstrings_to_model_forward,
is_tensorflow_probability_available,
logging,
replace_return_docstrings,
)
from .configuration_groupvit import GroupViTConfig, GroupViTTextConfig, GroupViTVisionConfig
def shape_list(tensor: Union[tf.Tensor, np.ndarray]) -> List[int]:
"""
Deal with dynamic shape in tensorflow cleanly.
Args:
tensor (`tf.Tensor` or `np.ndarray`): The tensor we want the shape of.
Returns:
`List[int]`: The shape of the tensor as a list.
"""
if isinstance(tensor, np.ndarray):
return list(tensor.shape)
dynamic = tf.shape(tensor)
if tensor.shape == tf.TensorShape(None):
return dynamic
static = tensor.shape.as_list()
return [dynamic[i] if s is None else s for i, s in enumerate(static)]
def stable_softmax(logits: tf.Tensor, axis: Optional[int] = None, name: Optional[str] = None) -> tf.Tensor:
"""
Stable wrapper that returns the same output as `tf.nn.softmax`, but that works reliably with XLA on CPU. It is
meant as a workaround for the [following issue](https://github.com/tensorflow/tensorflow/issues/55682), and will be
removed after it gets fixed. The arguments and outputs are the same as `tf.nn.softmax`, and relies on the fact that
`softmax(x) = softmax(x + c)` (see https://ogunlao.github.io/2020/04/26/you_dont_really_know_softmax.html).
Args:
logits (`tf.Tensor`):
Must be one of the following types: half, float32, float64.
axis (`int`, *optional*):
The dimension softmax would be performed on. The default is -1 which indicates the last dimension.
name (`str`, *optional*):
A name for the operation.
Returns:
`tf.Tensor`:
A Tensor. Has the same type and shape as logits.
"""
# TODO: When the issue linked above gets sorted, add a check on TF version here and use the original function if
# it has the fix. After we drop the support for unfixed versions, remove this function.
return tf.nn.softmax(logits=logits + 1e-9, axis=axis, name=name)
def gumbel_softmax(logits: tf.Tensor, tau: float = 1, hard: bool = False, dim: int = -1) -> tf.Tensor:
gumbel_dist = tfp.distributions.Gumbel(0.0, 1.0)
gumbels = gumbel_dist.sample(tf.shape(logits), dtype=logits.dtype)
gumbels = (logits + gumbels) / tau # ~Gumbel(logits,tau)
y_soft = stable_softmax(gumbels, dim)
if hard:
# Straight through.
index = tf.argmax(y_soft, dim)
y_hard = tf.one_hot(
index,
depth=shape_list(logits)[dim],
# TensorFlow expects axis to be -1 or between [0, 3). But received: -2
# This is why the following code snippet is used.
axis=range(len(shape_list(logits)))[dim],
dtype=y_soft.dtype,
)
ret = y_hard - tf.stop_gradient(y_soft) + y_soft
else:
# Reparametrization trick.
ret = y_soft
return ret | null |
11,381 | import collections.abc
import math
from dataclasses import dataclass
from typing import Any, Dict, Optional, Tuple, Union
import numpy as np
import tensorflow as tf
from ...activations_tf import get_tf_activation
from ...modeling_tf_outputs import TFBaseModelOutput, TFBaseModelOutputWithPooling
from ...modeling_tf_utils import (
DUMMY_INPUTS,
TFModelInputType,
TFPreTrainedModel,
get_initializer,
keras_serializable,
unpack_inputs,
)
from ...tf_utils import shape_list, stable_softmax
from ...utils import (
ModelOutput,
add_start_docstrings,
add_start_docstrings_to_model_forward,
is_tensorflow_probability_available,
logging,
replace_return_docstrings,
)
from .configuration_groupvit import GroupViTConfig, GroupViTTextConfig, GroupViTVisionConfig
def resize_attention_map(attentions: tf.Tensor, height: int, width: int, align_corners: bool = False) -> tf.Tensor:
"""
Args:
attentions (`tf.Tensor`): attention map of shape [batch_size, groups, feat_height*feat_width]
height (`int`): height of the output attention map
width (`int`): width of the output attention map
align_corners (`bool`, *optional*): the `align_corner` argument for `nn.functional.interpolate`.
Returns:
`tf.Tensor`: resized attention map of shape [batch_size, groups, height, width]
"""
scale = (height * width // attentions.shape[2]) ** 0.5
if height > width:
feat_width = int(np.round(width / scale))
feat_height = shape_list(attentions)[2] // feat_width
else:
feat_height = int(np.round(height / scale))
feat_width = shape_list(attentions)[2] // feat_height
batch_size = shape_list(attentions)[0]
groups = shape_list(attentions)[1] # number of group token
# [batch_size, groups, height x width, groups] -> [batch_size, groups, height, width]
attentions = tf.reshape(attentions, (batch_size, groups, feat_height, feat_width))
attentions = tf.transpose(attentions, perm=(0, 2, 3, 1))
if align_corners:
attentions = tf.compat.v1.image.resize(
attentions,
size=(height, width),
method="bilinear",
align_corners=align_corners,
)
else:
attentions = tf.image.resize(attentions, size=(height, width), method="bilinear")
attentions = tf.transpose(attentions, perm=(0, 3, 1, 2))
return attentions
The provided code snippet includes necessary dependencies for implementing the `get_grouping_from_attentions` function. Write a Python function `def get_grouping_from_attentions(attentions: Tuple[tf.Tensor], hw_shape: Tuple[int]) -> tf.Tensor` to solve the following problem:
Args: attentions (`tuple(tf.Tensor)`: tuple of attention maps returned by `TFGroupViTVisionTransformer` hw_shape (`tuple(int)`): height and width of the output attention map Returns: `tf.Tensor`: the attention map of shape [batch_size, groups, height, width]
Here is the function:
def get_grouping_from_attentions(attentions: Tuple[tf.Tensor], hw_shape: Tuple[int]) -> tf.Tensor:
"""
Args:
attentions (`tuple(tf.Tensor)`: tuple of attention maps returned by `TFGroupViTVisionTransformer`
hw_shape (`tuple(int)`): height and width of the output attention map
Returns:
`tf.Tensor`: the attention map of shape [batch_size, groups, height, width]
"""
attn_maps = []
prev_attn_masks = None
for attn_masks in attentions:
# [batch_size, num_groups, height x width] -> [batch_size, height x width, num_groups]
attn_masks = tf.transpose(attn_masks, perm=(0, 2, 1))
if prev_attn_masks is None:
prev_attn_masks = attn_masks
else:
prev_attn_masks = tf.matmul(prev_attn_masks, attn_masks)
# [batch_size, height x width, num_groups] -> [batch_size, num_groups, height x width] -> [batch_size, num_groups, height, width]
cur_attn_map = resize_attention_map(tf.transpose(prev_attn_masks, perm=(0, 2, 1)), *hw_shape)
attn_maps.append(cur_attn_map)
# [batch_size, num_groups, height, width]
final_grouping = attn_maps[-1]
return tf.stop_gradient(final_grouping) | Args: attentions (`tuple(tf.Tensor)`: tuple of attention maps returned by `TFGroupViTVisionTransformer` hw_shape (`tuple(int)`): height and width of the output attention map Returns: `tf.Tensor`: the attention map of shape [batch_size, groups, height, width] |
11,382 | import argparse
import torch
from PIL import Image
import requests
from transformers import CLIPProcessor, GroupViTConfig, GroupViTModel
def convert_state_dict(orig_state_dict, config):
for key in orig_state_dict.copy().keys():
val = orig_state_dict.pop(key)
if "qkv" in key:
# weights and biases of the key, value and query projections of vision encoder's attention layers require special treatment:
# we need to split them up into separate matrices/vectors
key_split = key.split(".")
stage_num, layer_num = int(key_split[2]), int(key_split[4])
dim = config.vision_config.hidden_size
if "weight" in key:
orig_state_dict[
f"vision_model.encoder.stages.{stage_num}.layers.{layer_num}.self_attn.q_proj.weight"
] = val[:dim, :]
orig_state_dict[
f"vision_model.encoder.stages.{stage_num}.layers.{layer_num}.self_attn.k_proj.weight"
] = val[dim : dim * 2, :]
orig_state_dict[
f"vision_model.encoder.stages.{stage_num}.layers.{layer_num}.self_attn.v_proj.weight"
] = val[-dim:, :]
else:
orig_state_dict[
f"vision_model.encoder.stages.{stage_num}.layers.{layer_num}.self_attn.q_proj.bias"
] = val[:dim]
orig_state_dict[
f"vision_model.encoder.stages.{stage_num}.layers.{layer_num}.self_attn.k_proj.bias"
] = val[dim : dim * 2]
orig_state_dict[
f"vision_model.encoder.stages.{stage_num}.layers.{layer_num}.self_attn.v_proj.bias"
] = val[-dim:]
elif "in_proj" in key:
# weights and biases of the key, value and query projections of text encoder's attention layers require special treatment:
# we need to split them up into separate matrices/vectors
key_split = key.split(".")
layer_num = int(key_split[3])
dim = config.text_config.hidden_size
if "weight" in key:
orig_state_dict[f"text_model.encoder.layers.{layer_num}.self_attn.q_proj.weight"] = val[:dim, :]
orig_state_dict[f"text_model.encoder.layers.{layer_num}.self_attn.k_proj.weight"] = val[
dim : dim * 2, :
]
orig_state_dict[f"text_model.encoder.layers.{layer_num}.self_attn.v_proj.weight"] = val[-dim:, :]
else:
orig_state_dict[f"text_model.encoder.layers.{layer_num}.self_attn.q_proj.bias"] = val[:dim]
orig_state_dict[f"text_model.encoder.layers.{layer_num}.self_attn.k_proj.bias"] = val[dim : dim * 2]
orig_state_dict[f"text_model.encoder.layers.{layer_num}.self_attn.v_proj.bias"] = val[-dim:]
else:
new_name = rename_key(key)
# squeeze if necessary
if (
"text_projection.0" in new_name
or "text_projection.3" in new_name
or "visual_projection.0" in new_name
or "visual_projection.3" in new_name
):
orig_state_dict[new_name] = val.squeeze_()
else:
orig_state_dict[new_name] = val
return orig_state_dict
def prepare_img():
url = "http://images.cocodataset.org/val2017/000000039769.jpg"
im = Image.open(requests.get(url, stream=True).raw)
return im
The provided code snippet includes necessary dependencies for implementing the `convert_groupvit_checkpoint` function. Write a Python function `def convert_groupvit_checkpoint( checkpoint_path, pytorch_dump_folder_path, model_name="groupvit-gcc-yfcc", push_to_hub=False )` to solve the following problem:
Copy/paste/tweak model's weights to the Transformers design.
Here is the function:
def convert_groupvit_checkpoint(
checkpoint_path, pytorch_dump_folder_path, model_name="groupvit-gcc-yfcc", push_to_hub=False
):
"""
Copy/paste/tweak model's weights to the Transformers design.
"""
config = GroupViTConfig()
model = GroupViTModel(config).eval()
state_dict = torch.load(checkpoint_path, map_location="cpu")["model"]
new_state_dict = convert_state_dict(state_dict, config)
missing_keys, unexpected_keys = model.load_state_dict(new_state_dict, strict=False)
assert missing_keys == ["text_model.embeddings.position_ids"]
assert (unexpected_keys == ["multi_label_logit_scale"]) or (len(unexpected_keys) == 0)
# verify result
processor = CLIPProcessor.from_pretrained("openai/clip-vit-base-patch32")
image = prepare_img()
inputs = processor(text=["a photo of a cat", "a photo of a dog"], images=image, padding=True, return_tensors="pt")
with torch.no_grad():
outputs = model(**inputs)
if model_name == "groupvit-gcc-yfcc":
expected_logits = torch.tensor([[13.3523, 6.3629]])
elif model_name == "groupvit-gcc-redcaps":
expected_logits = torch.tensor([[16.1873, 8.6230]])
else:
raise ValueError(f"Model name {model_name} not supported.")
assert torch.allclose(outputs.logits_per_image, expected_logits, atol=1e-3)
processor.save_pretrained(pytorch_dump_folder_path)
model.save_pretrained(pytorch_dump_folder_path)
print("Successfully saved processor and model to", pytorch_dump_folder_path)
if push_to_hub:
print("Pushing to the hub...")
processor.push_to_hub(model_name, organization="nielsr")
model.push_to_hub(model_name, organization="nielsr") | Copy/paste/tweak model's weights to the Transformers design. |
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