id stringlengths 14 16 | text stringlengths 31 2.41k | source stringlengths 53 121 |
|---|---|---|
725ad95173bc-4 | """Call out to Aleph Alpha's Document endpoint.
Args:
texts: The list of texts to embed.
Returns:
List of embeddings, one for each text.
"""
document_embeddings = []
for text in texts:
document_embeddings.append(self._embed(text))
retur... | https://api.python.langchain.com/en/stable/_modules/langchain/embeddings/aleph_alpha.html |
3dbce31cee9c-0 | Source code for langchain.embeddings.elasticsearch
from __future__ import annotations
from typing import TYPE_CHECKING, List, Optional
from langchain.utils import get_from_env
if TYPE_CHECKING:
from elasticsearch import Elasticsearch
from elasticsearch.client import MlClient
from langchain.embeddings.base impor... | https://api.python.langchain.com/en/stable/_modules/langchain/embeddings/elasticsearch.html |
3dbce31cee9c-1 | es_user: Optional[str] = None,
es_password: Optional[str] = None,
input_field: str = "text_field",
) -> ElasticsearchEmbeddings:
"""Instantiate embeddings from Elasticsearch credentials.
Args:
model_id (str): The model_id of the model deployed in the Elasticsearch
... | https://api.python.langchain.com/en/stable/_modules/langchain/embeddings/elasticsearch.html |
3dbce31cee9c-2 | from elasticsearch.client import MlClient
except ImportError:
raise ImportError(
"elasticsearch package not found, please install with 'pip install "
"elasticsearch'"
)
es_cloud_id = es_cloud_id or get_from_env("es_cloud_id", "ES_CLOUD_ID")
... | https://api.python.langchain.com/en/stable/_modules/langchain/embeddings/elasticsearch.html |
3dbce31cee9c-3 | Example:
.. code-block:: python
from elasticsearch import Elasticsearch
from langchain.embeddings import ElasticsearchEmbeddings
# Define the model ID and input field name (if different from default)
model_id = "your_model_id"
#... | https://api.python.langchain.com/en/stable/_modules/langchain/embeddings/elasticsearch.html |
3dbce31cee9c-4 | list.
"""
response = self.client.infer_trained_model(
model_id=self.model_id, docs=[{self.input_field: text} for text in texts]
)
embeddings = [doc["predicted_value"] for doc in response["inference_results"]]
return embeddings
[docs] def embed_documents(self, texts... | https://api.python.langchain.com/en/stable/_modules/langchain/embeddings/elasticsearch.html |
81b5636e1f74-0 | Source code for langchain.embeddings.cohere
"""Wrapper around Cohere embedding models."""
from typing import Any, Dict, List, Optional
from pydantic import BaseModel, Extra, root_validator
from langchain.embeddings.base import Embeddings
from langchain.utils import get_from_dict_or_env
[docs]class CohereEmbeddings(Base... | https://api.python.langchain.com/en/stable/_modules/langchain/embeddings/cohere.html |
81b5636e1f74-1 | except ImportError:
raise ValueError(
"Could not import cohere python package. "
"Please install it with `pip install cohere`."
)
return values
[docs] def embed_documents(self, texts: List[str]) -> List[List[float]]:
"""Call out to Cohere's embe... | https://api.python.langchain.com/en/stable/_modules/langchain/embeddings/cohere.html |
4b92cc5c07ca-0 | Source code for langchain.embeddings.dashscope
"""Wrapper around DashScope embedding models."""
from __future__ import annotations
import logging
from typing import (
Any,
Callable,
Dict,
List,
Optional,
)
from pydantic import BaseModel, Extra, root_validator
from requests.exceptions import HTTPErro... | https://api.python.langchain.com/en/stable/_modules/langchain/embeddings/dashscope.html |
4b92cc5c07ca-1 | elif resp.status_code in [400, 401]:
raise ValueError(
f"status_code: {resp.status_code} \n "
f"code: {resp.code} \n message: {resp.message}"
)
else:
raise HTTPError(
f"HTTP error occurred: status_code: {resp.status_code} \n "
... | https://api.python.langchain.com/en/stable/_modules/langchain/embeddings/dashscope.html |
4b92cc5c07ca-2 | class Config:
"""Configuration for this pydantic object."""
extra = Extra.forbid
@root_validator()
def validate_environment(cls, values: Dict) -> Dict:
import dashscope
"""Validate that api key and python package exists in environment."""
values["dashscope_api_key"] = get... | https://api.python.langchain.com/en/stable/_modules/langchain/embeddings/dashscope.html |
4b92cc5c07ca-3 | Embedding for the text.
"""
embedding = embed_with_retry(
self, input=text, text_type="query", model=self.model
)[0]["embedding"]
return embedding | https://api.python.langchain.com/en/stable/_modules/langchain/embeddings/dashscope.html |
10646c643030-0 | Source code for langchain.embeddings.modelscope_hub
"""Wrapper around ModelScopeHub embedding models."""
from typing import Any, List
from pydantic import BaseModel, Extra
from langchain.embeddings.base import Embeddings
[docs]class ModelScopeEmbeddings(BaseModel, Embeddings):
"""Wrapper around modelscope_hub embed... | https://api.python.langchain.com/en/stable/_modules/langchain/embeddings/modelscope_hub.html |
10646c643030-1 | texts = list(map(lambda x: x.replace("\n", " "), texts))
inputs = {"source_sentence": texts}
embeddings = self.embed(input=inputs)["text_embedding"]
return embeddings.tolist()
[docs] def embed_query(self, text: str) -> List[float]:
"""Compute query embeddings using a modelscope embedd... | https://api.python.langchain.com/en/stable/_modules/langchain/embeddings/modelscope_hub.html |
72258ea6fc8a-0 | Source code for langchain.embeddings.minimax
"""Wrapper around MiniMax APIs."""
from __future__ import annotations
import logging
from typing import Any, Callable, Dict, List, Optional
import requests
from pydantic import BaseModel, Extra, root_validator
from tenacity import (
before_sleep_log,
retry,
stop_... | https://api.python.langchain.com/en/stable/_modules/langchain/embeddings/minimax.html |
72258ea6fc8a-1 | the constructor.
Example:
.. code-block:: python
from langchain.embeddings import MiniMaxEmbeddings
embeddings = MiniMaxEmbeddings()
query_text = "This is a test query."
query_result = embeddings.embed_query(query_text)
document_text = "This is a t... | https://api.python.langchain.com/en/stable/_modules/langchain/embeddings/minimax.html |
72258ea6fc8a-2 | self,
texts: List[str],
embed_type: str,
) -> List[List[float]]:
payload = {
"model": self.model,
"type": embed_type,
"texts": texts,
}
# HTTP headers for authorization
headers = {
"Authorization": f"Bearer {self.minimax... | https://api.python.langchain.com/en/stable/_modules/langchain/embeddings/minimax.html |
281f36154d82-0 | Source code for langchain.embeddings.sagemaker_endpoint
"""Wrapper around Sagemaker InvokeEndpoint API."""
from typing import Any, Dict, List, Optional
from pydantic import BaseModel, Extra, root_validator
from langchain.embeddings.base import Embeddings
from langchain.llms.sagemaker_endpoint import ContentHandlerBase
... | https://api.python.langchain.com/en/stable/_modules/langchain/embeddings/sagemaker_endpoint.html |
281f36154d82-1 | credentials_profile_name=credentials_profile_name
)
"""
client: Any #: :meta private:
endpoint_name: str = ""
"""The name of the endpoint from the deployed Sagemaker model.
Must be unique within an AWS Region."""
region_name: str = ""
"""The aws region where the Sagemaker model ... | https://api.python.langchain.com/en/stable/_modules/langchain/embeddings/sagemaker_endpoint.html |
281f36154d82-2 | """ # noqa: E501
model_kwargs: Optional[Dict] = None
"""Key word arguments to pass to the model."""
endpoint_kwargs: Optional[Dict] = None
"""Optional attributes passed to the invoke_endpoint
function. See `boto3`_. docs for more info.
.. _boto3: <https://boto3.amazonaws.com/v1/documentation/ap... | https://api.python.langchain.com/en/stable/_modules/langchain/embeddings/sagemaker_endpoint.html |
281f36154d82-3 | # replace newlines, which can negatively affect performance.
texts = list(map(lambda x: x.replace("\n", " "), texts))
_model_kwargs = self.model_kwargs or {}
_endpoint_kwargs = self.endpoint_kwargs or {}
body = self.content_handler.transform_input(texts, _model_kwargs)
content_ty... | https://api.python.langchain.com/en/stable/_modules/langchain/embeddings/sagemaker_endpoint.html |
281f36154d82-4 | """Compute query embeddings using a SageMaker inference endpoint.
Args:
text: The text to embed.
Returns:
Embeddings for the text.
"""
return self._embedding_func([text])[0] | https://api.python.langchain.com/en/stable/_modules/langchain/embeddings/sagemaker_endpoint.html |
0fdc280c40cc-0 | Source code for langchain.embeddings.mosaicml
"""Wrapper around MosaicML APIs."""
from typing import Any, Dict, List, Mapping, Optional, Tuple
import requests
from pydantic import BaseModel, Extra, root_validator
from langchain.embeddings.base import Embeddings
from langchain.utils import get_from_dict_or_env
[docs]cla... | https://api.python.langchain.com/en/stable/_modules/langchain/embeddings/mosaicml.html |
0fdc280c40cc-1 | """Configuration for this pydantic object."""
extra = Extra.forbid
@root_validator()
def validate_environment(cls, values: Dict) -> Dict:
"""Validate that api key and python package exists in environment."""
mosaicml_api_token = get_from_dict_or_env(
values, "mosaicml_api_tok... | https://api.python.langchain.com/en/stable/_modules/langchain/embeddings/mosaicml.html |
0fdc280c40cc-2 | f"Error raised by inference API: {parsed_response['error']}"
)
# The inference API has changed a couple of times, so we add some handling
# to be robust to multiple response formats.
if isinstance(parsed_response, dict):
if "data" in parsed_response:
... | https://api.python.langchain.com/en/stable/_modules/langchain/embeddings/mosaicml.html |
0fdc280c40cc-3 | Args:
texts: The list of texts to embed.
Returns:
List of embeddings, one for each text.
"""
instruction_pairs = [(self.embed_instruction, text) for text in texts]
embeddings = self._embed(instruction_pairs)
return embeddings
[docs] def embed_query(self... | https://api.python.langchain.com/en/stable/_modules/langchain/embeddings/mosaicml.html |
757909223b8a-0 | Source code for langchain.embeddings.self_hosted_hugging_face
"""Wrapper around HuggingFace embedding models for self-hosted remote hardware."""
import importlib
import logging
from typing import Any, Callable, List, Optional
from langchain.embeddings.self_hosted import SelfHostedEmbeddings
DEFAULT_MODEL_NAME = "senten... | https://api.python.langchain.com/en/stable/_modules/langchain/embeddings/self_hosted_hugging_face.html |
757909223b8a-1 | if device < 0 and cuda_device_count > 0:
logger.warning(
"Device has %d GPUs available. "
"Provide device={deviceId} to `from_model_id` to use available"
"GPUs for execution. deviceId is -1 for CPU and "
"can be a positive integer associated wi... | https://api.python.langchain.com/en/stable/_modules/langchain/embeddings/self_hosted_hugging_face.html |
757909223b8a-2 | model_load_fn: Callable = load_embedding_model
"""Function to load the model remotely on the server."""
load_fn_kwargs: Optional[dict] = None
"""Key word arguments to pass to the model load function."""
inference_fn: Callable = _embed_documents
"""Inference function to extract the embeddings."""
... | https://api.python.langchain.com/en/stable/_modules/langchain/embeddings/self_hosted_hugging_face.html |
757909223b8a-3 | model_name=model_name, hardware=gpu)
"""
model_id: str = DEFAULT_INSTRUCT_MODEL
"""Model name to use."""
embed_instruction: str = DEFAULT_EMBED_INSTRUCTION
"""Instruction to use for embedding documents."""
query_instruction: str = DEFAULT_QUERY_INSTRUCTION
"""Instruction to use for embedding... | https://api.python.langchain.com/en/stable/_modules/langchain/embeddings/self_hosted_hugging_face.html |
757909223b8a-4 | Returns:
Embeddings for the text.
"""
instruction_pair = [self.query_instruction, text]
embedding = self.client(self.pipeline_ref, [instruction_pair])[0]
return embedding.tolist() | https://api.python.langchain.com/en/stable/_modules/langchain/embeddings/self_hosted_hugging_face.html |
2b8dd8f46a90-0 | Source code for langchain.embeddings.huggingface_hub
"""Wrapper around HuggingFace Hub embedding models."""
from typing import Any, Dict, List, Optional
from pydantic import BaseModel, Extra, root_validator
from langchain.embeddings.base import Embeddings
from langchain.utils import get_from_dict_or_env
DEFAULT_REPO_ID... | https://api.python.langchain.com/en/stable/_modules/langchain/embeddings/huggingface_hub.html |
2b8dd8f46a90-1 | @root_validator()
def validate_environment(cls, values: Dict) -> Dict:
"""Validate that api key and python package exists in environment."""
huggingfacehub_api_token = get_from_dict_or_env(
values, "huggingfacehub_api_token", "HUGGINGFACEHUB_API_TOKEN"
)
try:
... | https://api.python.langchain.com/en/stable/_modules/langchain/embeddings/huggingface_hub.html |
2b8dd8f46a90-2 | texts = [text.replace("\n", " ") for text in texts]
_model_kwargs = self.model_kwargs or {}
responses = self.client(inputs=texts, params=_model_kwargs)
return responses
[docs] def embed_query(self, text: str) -> List[float]:
"""Call out to HuggingFaceHub's embedding endpoint for embed... | https://api.python.langchain.com/en/stable/_modules/langchain/embeddings/huggingface_hub.html |
8fd960051249-0 | Source code for langchain.embeddings.deepinfra
from typing import Any, Dict, List, Mapping, Optional
import requests
from pydantic import BaseModel, Extra, root_validator
from langchain.embeddings.base import Embeddings
from langchain.utils import get_from_dict_or_env
DEFAULT_MODEL_ID = "sentence-transformers/clip-ViT-... | https://api.python.langchain.com/en/stable/_modules/langchain/embeddings/deepinfra.html |
8fd960051249-1 | model_kwargs: Optional[dict] = None
"""Other model keyword args"""
deepinfra_api_token: Optional[str] = None
class Config:
"""Configuration for this pydantic object."""
extra = Extra.forbid
@root_validator()
def validate_environment(cls, values: Dict) -> Dict:
"""Validate tha... | https://api.python.langchain.com/en/stable/_modules/langchain/embeddings/deepinfra.html |
8fd960051249-2 | try:
t = res.json()
embeddings = t["embeddings"]
except requests.exceptions.JSONDecodeError as e:
raise ValueError(
f"Error raised by inference API: {e}.\nResponse: {res.text}"
)
return embeddings
[docs] def embed_documents(self, texts: ... | https://api.python.langchain.com/en/stable/_modules/langchain/embeddings/deepinfra.html |
0c6f98659d2f-0 | Source code for langchain.embeddings.embaas
"""Wrapper around embaas embeddings API."""
from typing import Any, Dict, List, Mapping, Optional
import requests
from pydantic import BaseModel, Extra, root_validator
from typing_extensions import NotRequired, TypedDict
from langchain.embeddings.base import Embeddings
from l... | https://api.python.langchain.com/en/stable/_modules/langchain/embeddings/embaas.html |
0c6f98659d2f-1 | api_url: str = EMBAAS_API_URL
"""The URL for the embaas embeddings API."""
embaas_api_key: Optional[str] = None
class Config:
"""Configuration for this pydantic object."""
extra = Extra.forbid
@root_validator()
def validate_environment(cls, values: Dict) -> Dict:
"""Validate ... | https://api.python.langchain.com/en/stable/_modules/langchain/embeddings/embaas.html |
0c6f98659d2f-2 | return embeddings
def _generate_embeddings(self, texts: List[str]) -> List[List[float]]:
"""Generate embeddings using the Embaas API."""
payload = self._generate_payload(texts)
try:
return self._handle_request(payload)
except requests.exceptions.RequestException as e:
... | https://api.python.langchain.com/en/stable/_modules/langchain/embeddings/embaas.html |
bf5dc5e21714-0 | Source code for langchain.embeddings.fake
from typing import List
import numpy as np
from pydantic import BaseModel
from langchain.embeddings.base import Embeddings
[docs]class FakeEmbeddings(Embeddings, BaseModel):
size: int
def _get_embedding(self) -> List[float]:
return list(np.random.normal(size=sel... | https://api.python.langchain.com/en/stable/_modules/langchain/embeddings/fake.html |
44eb55d4992d-0 | Source code for langchain.embeddings.huggingface
"""Wrapper around HuggingFace embedding models."""
from typing import Any, Dict, List, Optional
from pydantic import BaseModel, Extra, Field
from langchain.embeddings.base import Embeddings
DEFAULT_MODEL_NAME = "sentence-transformers/all-mpnet-base-v2"
DEFAULT_INSTRUCT_M... | https://api.python.langchain.com/en/stable/_modules/langchain/embeddings/huggingface.html |
44eb55d4992d-1 | """Key word arguments to pass when calling the `encode` method of the model."""
def __init__(self, **kwargs: Any):
"""Initialize the sentence_transformer."""
super().__init__(**kwargs)
try:
import sentence_transformers
except ImportError as exc:
raise ImportEr... | https://api.python.langchain.com/en/stable/_modules/langchain/embeddings/huggingface.html |
44eb55d4992d-2 | To use, you should have the ``sentence_transformers``
and ``InstructorEmbedding`` python packages installed.
Example:
.. code-block:: python
from langchain.embeddings import HuggingFaceInstructEmbeddings
model_name = "hkunlp/instructor-large"
model_kwargs = {'device':... | https://api.python.langchain.com/en/stable/_modules/langchain/embeddings/huggingface.html |
44eb55d4992d-3 | raise ValueError("Dependencies for InstructorEmbedding not found.") from e
class Config:
"""Configuration for this pydantic object."""
extra = Extra.forbid
[docs] def embed_documents(self, texts: List[str]) -> List[List[float]]:
"""Compute doc embeddings using a HuggingFace instruct model... | https://api.python.langchain.com/en/stable/_modules/langchain/embeddings/huggingface.html |
c2a7c061b2ee-0 | Source code for langchain.embeddings.tensorflow_hub
"""Wrapper around TensorflowHub embedding models."""
from typing import Any, List
from pydantic import BaseModel, Extra
from langchain.embeddings.base import Embeddings
DEFAULT_MODEL_URL = "https://tfhub.dev/google/universal-sentence-encoder-multilingual/3"
[docs]clas... | https://api.python.langchain.com/en/stable/_modules/langchain/embeddings/tensorflow_hub.html |
c2a7c061b2ee-1 | """Compute doc embeddings using a TensorflowHub embedding model.
Args:
texts: The list of texts to embed.
Returns:
List of embeddings, one for each text.
"""
texts = list(map(lambda x: x.replace("\n", " "), texts))
embeddings = self.embed(texts).numpy()
... | https://api.python.langchain.com/en/stable/_modules/langchain/embeddings/tensorflow_hub.html |
fb20f7245f37-0 | Source code for langchain.embeddings.bedrock
import json
import os
from typing import Any, Dict, List, Optional
from pydantic import BaseModel, Extra, root_validator
from langchain.embeddings.base import Embeddings
[docs]class BedrockEmbeddings(BaseModel, Embeddings):
"""Embeddings provider to invoke Bedrock embedd... | https://api.python.langchain.com/en/stable/_modules/langchain/embeddings/bedrock.html |
fb20f7245f37-1 | If not specified, the default credential profile or, if on an EC2 instance,
credentials from IMDS will be used.
See: https://boto3.amazonaws.com/v1/documentation/api/latest/guide/credentials.html
"""
model_id: str = "amazon.titan-e1t-medium"
"""Id of the model to call, e.g., amazon.titan-e1t-medium,... | https://api.python.langchain.com/en/stable/_modules/langchain/embeddings/bedrock.html |
fb20f7245f37-2 | "profile name are valid."
) from e
return values
def _embedding_func(self, text: str) -> List[float]:
"""Call out to Bedrock embedding endpoint."""
# replace newlines, which can negatively affect performance.
text = text.replace(os.linesep, " ")
_model_kwargs = se... | https://api.python.langchain.com/en/stable/_modules/langchain/embeddings/bedrock.html |
fb20f7245f37-3 | [docs] def embed_query(self, text: str) -> List[float]:
"""Compute query embeddings using a Bedrock model.
Args:
text: The text to embed.
Returns:
Embeddings for the text.
"""
return self._embedding_func(text) | https://api.python.langchain.com/en/stable/_modules/langchain/embeddings/bedrock.html |
b655b8d2e1c9-0 | Source code for langchain.embeddings.openai
"""Wrapper around OpenAI embedding models."""
from __future__ import annotations
import logging
from typing import (
Any,
Callable,
Dict,
List,
Literal,
Optional,
Sequence,
Set,
Tuple,
Union,
)
import numpy as np
from pydantic import Ba... | https://api.python.langchain.com/en/stable/_modules/langchain/embeddings/openai.html |
b655b8d2e1c9-1 | import openai
min_seconds = 4
max_seconds = 10
# Wait 2^x * 1 second between each retry starting with
# 4 seconds, then up to 10 seconds, then 10 seconds afterwards
async_retrying = AsyncRetrying(
reraise=True,
stop=stop_after_attempt(embeddings.max_retries),
wait=wait_expone... | https://api.python.langchain.com/en/stable/_modules/langchain/embeddings/openai.html |
b655b8d2e1c9-2 | @_async_retry_decorator(embeddings)
async def _async_embed_with_retry(**kwargs: Any) -> Any:
return await embeddings.client.acreate(**kwargs)
return await _async_embed_with_retry(**kwargs)
[docs]class OpenAIEmbeddings(BaseModel, Embeddings):
"""Wrapper around OpenAI embedding models.
To use, you... | https://api.python.langchain.com/en/stable/_modules/langchain/embeddings/openai.html |
b655b8d2e1c9-3 | deployment="your-embeddings-deployment-name",
model="your-embeddings-model-name",
openai_api_base="https://your-endpoint.openai.azure.com/",
openai_api_type="azure",
)
text = "This is a test query."
query_result = embeddings.embed_query... | https://api.python.langchain.com/en/stable/_modules/langchain/embeddings/openai.html |
b655b8d2e1c9-4 | Tiktoken is used to count the number of tokens in documents to constrain
them to be under a certain limit. By default, when set to None, this will
be the same as the embedding model name. However, there are some cases
where you may want to use this Embedding class with a model name not
supported by ... | https://api.python.langchain.com/en/stable/_modules/langchain/embeddings/openai.html |
b655b8d2e1c9-5 | default_api_version = "2022-12-01"
else:
default_api_version = ""
values["openai_api_version"] = get_from_dict_or_env(
values,
"openai_api_version",
"OPENAI_API_VERSION",
default=default_api_version,
)
values["openai_organizatio... | https://api.python.langchain.com/en/stable/_modules/langchain/embeddings/openai.html |
b655b8d2e1c9-6 | def _get_len_safe_embeddings(
self, texts: List[str], *, engine: str, chunk_size: Optional[int] = None
) -> List[List[float]]:
embeddings: List[List[float]] = [[] for _ in range(len(texts))]
try:
import tiktoken
except ImportError:
raise ImportError(
... | https://api.python.langchain.com/en/stable/_modules/langchain/embeddings/openai.html |
b655b8d2e1c9-7 | response = embed_with_retry(
self,
input=tokens[i : i + _chunk_size],
**self._invocation_params,
)
batched_embeddings += [r["embedding"] for r in response["data"]]
results: List[List[List[float]]] = [[] for _ in range(len(texts))]
n... | https://api.python.langchain.com/en/stable/_modules/langchain/embeddings/openai.html |
b655b8d2e1c9-8 | "Please install it with `pip install tiktoken`."
)
tokens = []
indices = []
model_name = self.tiktoken_model_name or self.model
try:
encoding = tiktoken.encoding_for_model(model_name)
except KeyError:
logger.warning("Warning: model not found. U... | https://api.python.langchain.com/en/stable/_modules/langchain/embeddings/openai.html |
b655b8d2e1c9-9 | results[indices[i]].append(batched_embeddings[i])
num_tokens_in_batch[indices[i]].append(len(tokens[i]))
for i in range(len(texts)):
_result = results[i]
if len(_result) == 0:
average = (
await async_embed_with_retry(
... | https://api.python.langchain.com/en/stable/_modules/langchain/embeddings/openai.html |
b655b8d2e1c9-10 | else:
if self.model.endswith("001"):
# See: https://github.com/openai/openai-python/issues/418#issuecomment-1525939500
# replace newlines, which can negatively affect performance.
text = text.replace("\n", " ")
return (
await async_... | https://api.python.langchain.com/en/stable/_modules/langchain/embeddings/openai.html |
b655b8d2e1c9-11 | # NOTE: to keep things simple, we assume the list may contain texts longer
# than the maximum context and use length-safe embedding function.
return await self._aget_len_safe_embeddings(texts, engine=self.deployment)
[docs] def embed_query(self, text: str) -> List[float]:
"""Call out to... | https://api.python.langchain.com/en/stable/_modules/langchain/embeddings/openai.html |
d7cbd3a38ba1-0 | Source code for langchain.embeddings.self_hosted
"""Running custom embedding models on self-hosted remote hardware."""
from typing import Any, Callable, List
from pydantic import Extra
from langchain.embeddings.base import Embeddings
from langchain.llms import SelfHostedPipeline
def _embed_documents(pipeline: Any, *arg... | https://api.python.langchain.com/en/stable/_modules/langchain/embeddings/self_hosted.html |
d7cbd3a38ba1-1 | model_load_fn=get_pipeline,
hardware=gpu
model_reqs=["./", "torch", "transformers"],
)
Example passing in a pipeline path:
.. code-block:: python
from langchain.embeddings import SelfHostedHFEmbeddings
import runhouse as rh
from... | https://api.python.langchain.com/en/stable/_modules/langchain/embeddings/self_hosted.html |
d7cbd3a38ba1-2 | [docs] def embed_query(self, text: str) -> List[float]:
"""Compute query embeddings using a HuggingFace transformer model.
Args:
text: The text to embed.
Returns:
Embeddings for the text.
"""
text = text.replace("\n", " ")
embeddings = self.clie... | https://api.python.langchain.com/en/stable/_modules/langchain/embeddings/self_hosted.html |
6a7d0da999b0-0 | Source code for langchain.callbacks.file
"""Callback Handler that writes to a file."""
from typing import Any, Dict, Optional, TextIO, cast
from langchain.callbacks.base import BaseCallbackHandler
from langchain.input import print_text
from langchain.schema import AgentAction, AgentFinish
[docs]class FileCallbackHandle... | https://api.python.langchain.com/en/stable/_modules/langchain/callbacks/file.html |
6a7d0da999b0-1 | ) -> Any:
"""Run on agent action."""
print_text(action.log, color=color if color else self.color, file=self.file)
[docs] def on_tool_end(
self,
output: str,
color: Optional[str] = None,
observation_prefix: Optional[str] = None,
llm_prefix: Optional[str] = None,... | https://api.python.langchain.com/en/stable/_modules/langchain/callbacks/file.html |
419da811ddf5-0 | Source code for langchain.callbacks.streamlit
from __future__ import annotations
from typing import TYPE_CHECKING, Optional
from langchain.callbacks.base import BaseCallbackHandler
from langchain.callbacks.streamlit.streamlit_callback_handler import (
LLMThoughtLabeler as LLMThoughtLabeler,
)
from langchain.callbac... | https://api.python.langchain.com/en/stable/_modules/langchain/callbacks/streamlit.html |
419da811ddf5-1 | If True, LLM thought expanders will be collapsed when completed.
Defaults to True.
thought_labeler
An optional custom LLMThoughtLabeler instance. If unspecified, the handler
will use the default thought labeling logic. Defaults to None.
Returns
-------
A new StreamlitCallbackHand... | https://api.python.langchain.com/en/stable/_modules/langchain/callbacks/streamlit.html |
aca133cb7b57-0 | Source code for langchain.callbacks.stdout
"""Callback Handler that prints to std out."""
from typing import Any, Dict, List, Optional, Union
from langchain.callbacks.base import BaseCallbackHandler
from langchain.input import print_text
from langchain.schema import AgentAction, AgentFinish, LLMResult
[docs]class StdOu... | https://api.python.langchain.com/en/stable/_modules/langchain/callbacks/stdout.html |
aca133cb7b57-1 | """Print out that we finished a chain."""
print("\n\033[1m> Finished chain.\033[0m")
[docs] def on_chain_error(
self, error: Union[Exception, KeyboardInterrupt], **kwargs: Any
) -> None:
"""Do nothing."""
pass
[docs] def on_tool_start(
self,
serialized: Dict[str... | https://api.python.langchain.com/en/stable/_modules/langchain/callbacks/stdout.html |
aca133cb7b57-2 | color: Optional[str] = None,
end: str = "",
**kwargs: Any,
) -> None:
"""Run when agent ends."""
print_text(text, color=color if color else self.color, end=end)
[docs] def on_agent_finish(
self, finish: AgentFinish, color: Optional[str] = None, **kwargs: Any
) -> None:... | https://api.python.langchain.com/en/stable/_modules/langchain/callbacks/stdout.html |
48ca6cfc3cba-0 | Source code for langchain.callbacks.wandb_callback
import json
import tempfile
from copy import deepcopy
from pathlib import Path
from typing import Any, Dict, List, Optional, Sequence, Union
from langchain.callbacks.base import BaseCallbackHandler
from langchain.callbacks.utils import (
BaseMetadataCallbackHandler... | https://api.python.langchain.com/en/stable/_modules/langchain/callbacks/wandb_callback.html |
48ca6cfc3cba-1 | complexity_metrics (bool): Whether to compute complexity metrics.
visualize (bool): Whether to visualize the text.
nlp (spacy.lang): The spacy language model to use for visualization.
output_dir (str): The directory to save the visualization files to.
Returns:
(dict): A dictionary co... | https://api.python.langchain.com/en/stable/_modules/langchain/callbacks/wandb_callback.html |
48ca6cfc3cba-2 | "crawford": textstat.crawford(text),
"gulpease_index": textstat.gulpease_index(text),
"osman": textstat.osman(text),
}
resp.update(text_complexity_metrics)
if visualize and nlp and output_dir is not None:
doc = nlp(text)
dep_out = spacy.displacy.render( # typ... | https://api.python.langchain.com/en/stable/_modules/langchain/callbacks/wandb_callback.html |
48ca6cfc3cba-3 | return wandb.Html(
f"""
<p style="color:black;">{formatted_prompt}:</p>
<blockquote>
<p style="color:green;">
{formatted_generation}
</p>
</blockquote>
""",
inject=False,
)
[docs]class WandbCallbackHandler(BaseMetadataCallbackHandler, BaseCallbackHandler):
"""... | https://api.python.langchain.com/en/stable/_modules/langchain/callbacks/wandb_callback.html |
48ca6cfc3cba-4 | notes: Optional[str] = None,
visualize: bool = False,
complexity_metrics: bool = False,
stream_logs: bool = False,
) -> None:
"""Initialize callback handler."""
wandb = import_wandb()
import_pandas()
import_textstat()
spacy = import_spacy()
sup... | https://api.python.langchain.com/en/stable/_modules/langchain/callbacks/wandb_callback.html |
48ca6cfc3cba-5 | return {k: None for k in self.callback_columns}
[docs] def on_llm_start(
self, serialized: Dict[str, Any], prompts: List[str], **kwargs: Any
) -> None:
"""Run when LLM starts."""
self.step += 1
self.llm_starts += 1
self.starts += 1
resp = self._init_resp()
... | https://api.python.langchain.com/en/stable/_modules/langchain/callbacks/wandb_callback.html |
48ca6cfc3cba-6 | resp.update({"action": "on_llm_end"})
resp.update(flatten_dict(response.llm_output or {}))
resp.update(self.get_custom_callback_meta())
for generations in response.generations:
for generation in generations:
generation_resp = deepcopy(resp)
generation_... | https://api.python.langchain.com/en/stable/_modules/langchain/callbacks/wandb_callback.html |
48ca6cfc3cba-7 | self.action_records.append(input_resp)
if self.stream_logs:
self.run.log(input_resp)
elif isinstance(chain_input, list):
for inp in chain_input:
input_resp = deepcopy(resp)
input_resp.update(inp)
self.on_chain_start_records.... | https://api.python.langchain.com/en/stable/_modules/langchain/callbacks/wandb_callback.html |
48ca6cfc3cba-8 | resp.update(flatten_dict(serialized))
resp.update(self.get_custom_callback_meta())
self.on_tool_start_records.append(resp)
self.action_records.append(resp)
if self.stream_logs:
self.run.log(resp)
[docs] def on_tool_end(self, output: str, **kwargs: Any) -> None:
"""... | https://api.python.langchain.com/en/stable/_modules/langchain/callbacks/wandb_callback.html |
48ca6cfc3cba-9 | self.agent_ends += 1
self.ends += 1
resp = self._init_resp()
resp.update(
{
"action": "on_agent_finish",
"output": finish.return_values["output"],
"log": finish.log,
}
)
resp.update(self.get_custom_callback_m... | https://api.python.langchain.com/en/stable/_modules/langchain/callbacks/wandb_callback.html |
48ca6cfc3cba-10 | )
complexity_metrics_columns = []
visualizations_columns = []
if self.complexity_metrics:
complexity_metrics_columns = [
"flesch_reading_ease",
"flesch_kincaid_grade",
"smog_index",
"coleman_liau_index",
... | https://api.python.langchain.com/en/stable/_modules/langchain/callbacks/wandb_callback.html |
48ca6cfc3cba-11 | ),
axis=1,
)
return session_analysis_df
[docs] def flush_tracker(
self,
langchain_asset: Any = None,
reset: bool = True,
finish: bool = False,
job_type: Optional[str] = None,
project: Optional[str] = None,
entity: Optional[str] = Non... | https://api.python.langchain.com/en/stable/_modules/langchain/callbacks/wandb_callback.html |
48ca6cfc3cba-12 | }
)
if langchain_asset:
langchain_asset_path = Path(self.temp_dir.name, "model.json")
model_artifact = wandb.Artifact(name="model", type="model")
model_artifact.add(action_records_table, name="action_records")
model_artifact.add(session_analysis_table, nam... | https://api.python.langchain.com/en/stable/_modules/langchain/callbacks/wandb_callback.html |
d9175c39d030-0 | Source code for langchain.callbacks.openai_info
"""Callback Handler that prints to std out."""
from typing import Any, Dict, List
from langchain.callbacks.base import BaseCallbackHandler
from langchain.schema import LLMResult
MODEL_COST_PER_1K_TOKENS = {
# GPT-4 input
"gpt-4": 0.03,
"gpt-4-0314": 0.03,
... | https://api.python.langchain.com/en/stable/_modules/langchain/callbacks/openai_info.html |
d9175c39d030-1 | "gpt-3.5-turbo-16k-0613": 0.003,
# GPT-3.5 output
"gpt-3.5-turbo-completion": 0.002,
"gpt-3.5-turbo-0301-completion": 0.002,
"gpt-3.5-turbo-0613-completion": 0.002,
"gpt-3.5-turbo-16k-completion": 0.004,
"gpt-3.5-turbo-16k-0613-completion": 0.004,
# Others
"gpt-35-turbo": 0.002, # Azure... | https://api.python.langchain.com/en/stable/_modules/langchain/callbacks/openai_info.html |
d9175c39d030-2 | is_completion: bool = False,
) -> str:
"""
Standardize the model name to a format that can be used in the OpenAI API.
Args:
model_name: Model name to standardize.
is_completion: Whether the model is used for completion or not.
Defaults to False.
Returns:
Standardized ... | https://api.python.langchain.com/en/stable/_modules/langchain/callbacks/openai_info.html |
d9175c39d030-3 | [docs]class OpenAICallbackHandler(BaseCallbackHandler):
"""Callback Handler that tracks OpenAI info."""
total_tokens: int = 0
prompt_tokens: int = 0
completion_tokens: int = 0
successful_requests: int = 0
total_cost: float = 0.0
def __repr__(self) -> str:
return (
f"Token... | https://api.python.langchain.com/en/stable/_modules/langchain/callbacks/openai_info.html |
d9175c39d030-4 | prompt_tokens = token_usage.get("prompt_tokens", 0)
model_name = standardize_model_name(response.llm_output.get("model_name", ""))
if model_name in MODEL_COST_PER_1K_TOKENS:
completion_cost = get_openai_token_cost_for_model(
model_name, completion_tokens, is_completion=True
... | https://api.python.langchain.com/en/stable/_modules/langchain/callbacks/openai_info.html |
bb59a1b9c4f6-0 | Source code for langchain.callbacks.whylabs_callback
from __future__ import annotations
import logging
from typing import TYPE_CHECKING, Any, Dict, List, Optional, Union
from langchain.callbacks.base import BaseCallbackHandler
from langchain.schema import AgentAction, AgentFinish, Generation, LLMResult
from langchain.u... | https://api.python.langchain.com/en/stable/_modules/langchain/callbacks/whylabs_callback.html |
bb59a1b9c4f6-1 | return langkit
[docs]class WhyLabsCallbackHandler(BaseCallbackHandler):
"""WhyLabs CallbackHandler."""
def __init__(self, logger: Logger):
"""Initiate the rolling logger"""
super().__init__()
self.logger = logger
diagnostic_logger.info(
"Initialized WhyLabs callback h... | https://api.python.langchain.com/en/stable/_modules/langchain/callbacks/whylabs_callback.html |
bb59a1b9c4f6-2 | """Do nothing."""
[docs] def on_chain_error(
self, error: Union[Exception, KeyboardInterrupt], **kwargs: Any
) -> None:
"""Do nothing."""
pass
[docs] def on_tool_start(
self,
serialized: Dict[str, Any],
input_str: str,
**kwargs: Any,
) -> None:
... | https://api.python.langchain.com/en/stable/_modules/langchain/callbacks/whylabs_callback.html |
bb59a1b9c4f6-3 | [docs] def close(self) -> None:
self.logger.close()
diagnostic_logger.info("Closing WhyLabs logger, see you next time!")
def __enter__(self) -> WhyLabsCallbackHandler:
return self
def __exit__(
self, exception_type: Any, exception_value: Any, traceback: Any
) -> None:
... | https://api.python.langchain.com/en/stable/_modules/langchain/callbacks/whylabs_callback.html |
bb59a1b9c4f6-4 | metric.
"""
# langkit library will import necessary whylogs libraries
import_langkit(sentiment=sentiment, toxicity=toxicity, themes=themes)
import whylogs as why
from whylogs.api.writer.whylabs import WhyLabsWriter
from whylogs.core.schema import DeclarativeSchema
... | https://api.python.langchain.com/en/stable/_modules/langchain/callbacks/whylabs_callback.html |
3e3567f9b8a3-0 | Source code for langchain.callbacks.streaming_aiter
from __future__ import annotations
import asyncio
from typing import Any, AsyncIterator, Dict, List, Literal, Union, cast
from langchain.callbacks.base import AsyncCallbackHandler
from langchain.schema import LLMResult
# TODO If used by two LLM runs in parallel this w... | https://api.python.langchain.com/en/stable/_modules/langchain/callbacks/streaming_aiter.html |
3e3567f9b8a3-1 | done, other = await asyncio.wait(
[
# NOTE: If you add other tasks here, update the code below,
# which assumes each set has exactly one task each
asyncio.ensure_future(self.queue.get()),
asyncio.ensure_future(self.done.wait... | https://api.python.langchain.com/en/stable/_modules/langchain/callbacks/streaming_aiter.html |
9d2bc6c9fd07-0 | Source code for langchain.callbacks.streaming_stdout_final_only
"""Callback Handler streams to stdout on new llm token."""
import sys
from typing import Any, Dict, List, Optional
from langchain.callbacks.streaming_stdout import StreamingStdOutCallbackHandler
DEFAULT_ANSWER_PREFIX_TOKENS = ["Final", "Answer", ":"]
[docs... | https://api.python.langchain.com/en/stable/_modules/langchain/callbacks/streaming_stdout_final_only.html |
9d2bc6c9fd07-1 | """
super().__init__()
if answer_prefix_tokens is None:
self.answer_prefix_tokens = DEFAULT_ANSWER_PREFIX_TOKENS
else:
self.answer_prefix_tokens = answer_prefix_tokens
if strip_tokens:
self.answer_prefix_tokens_stripped = [
token.strip(... | https://api.python.langchain.com/en/stable/_modules/langchain/callbacks/streaming_stdout_final_only.html |
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