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tensorflow/hub | examples/image_retraining/retrain.py | add_jpeg_decoding | def add_jpeg_decoding(module_spec):
"""Adds operations that perform JPEG decoding and resizing to the graph..
Args:
module_spec: The hub.ModuleSpec for the image module being used.
Returns:
Tensors for the node to feed JPEG data into, and the output of the
preprocessing steps.
"""
input_height... | python | def add_jpeg_decoding(module_spec):
"""Adds operations that perform JPEG decoding and resizing to the graph..
Args:
module_spec: The hub.ModuleSpec for the image module being used.
Returns:
Tensors for the node to feed JPEG data into, and the output of the
preprocessing steps.
"""
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tensorflow/hub | examples/image_retraining/retrain.py | export_model | def export_model(module_spec, class_count, saved_model_dir):
"""Exports model for serving.
Args:
module_spec: The hub.ModuleSpec for the image module being used.
class_count: The number of classes.
saved_model_dir: Directory in which to save exported model and variables.
"""
# The SavedModel should... | python | def export_model(module_spec, class_count, saved_model_dir):
"""Exports model for serving.
Args:
module_spec: The hub.ModuleSpec for the image module being used.
class_count: The number of classes.
saved_model_dir: Directory in which to save exported model and variables.
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tensorflow/hub | examples/image_retraining/retrain.py | logging_level_verbosity | def logging_level_verbosity(logging_verbosity):
"""Converts logging_level into TensorFlow logging verbosity value
Args:
logging_level: String value representing logging level: 'DEBUG', 'INFO',
'WARN', 'ERROR', 'FATAL'
"""
name_to_level = {
'FATAL': tf.logging.FATAL,
'ERROR': tf.logging.ERROR,
... | python | def logging_level_verbosity(logging_verbosity):
"""Converts logging_level into TensorFlow logging verbosity value
Args:
logging_level: String value representing logging level: 'DEBUG', 'INFO',
'WARN', 'ERROR', 'FATAL'
"""
name_to_level = {
'FATAL': tf.logging.FATAL,
'ERROR': tf.logging.ERROR,
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tensorflow/hub | tensorflow_hub/image_util.py | get_image_module_info | def get_image_module_info(module_or_spec, required=False):
"""Returns the module's attached ImageModuleInfo message, or None."""
return module_or_spec.get_attached_message(
IMAGE_MODULE_INFO_KEY, ImageModuleInfo, required=required) | python | def get_image_module_info(module_or_spec, required=False):
"""Returns the module's attached ImageModuleInfo message, or None."""
return module_or_spec.get_attached_message(
IMAGE_MODULE_INFO_KEY, ImageModuleInfo, required=required) | [
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tensorflow/hub | tensorflow_hub/image_util.py | get_expected_image_size | def get_expected_image_size(module_or_spec, signature=None, input_name=None):
"""Returns expected [height, width] dimensions of an image input.
Args:
module_or_spec: a Module or ModuleSpec that accepts image inputs.
signature: a string with the key of the signature in question.
If None, the default s... | python | def get_expected_image_size(module_or_spec, signature=None, input_name=None):
"""Returns expected [height, width] dimensions of an image input.
Args:
module_or_spec: a Module or ModuleSpec that accepts image inputs.
signature: a string with the key of the signature in question.
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tensorflow/hub | tensorflow_hub/image_util.py | get_num_image_channels | def get_num_image_channels(module_or_spec, signature=None, input_name=None):
"""Returns expected num_channels dimensions of an image input.
This is for advanced users only who expect to handle modules with
image inputs that might not have the 3 usual RGB channels.
Args:
module_or_spec: a Module or ModuleS... | python | def get_num_image_channels(module_or_spec, signature=None, input_name=None):
"""Returns expected num_channels dimensions of an image input.
This is for advanced users only who expect to handle modules with
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tensorflow/hub | tensorflow_hub/tensor_info.py | _parse_tensor_info_proto | def _parse_tensor_info_proto(tensor_info):
"""Returns a ParsedTensorInfo instance from a TensorInfo proto."""
encoding = tensor_info.WhichOneof("encoding")
dtype = tf.DType(tensor_info.dtype)
shape = tf.TensorShape(tensor_info.tensor_shape)
if encoding == "name":
return ParsedTensorInfo(dtype=dtype, shape... | python | def _parse_tensor_info_proto(tensor_info):
"""Returns a ParsedTensorInfo instance from a TensorInfo proto."""
encoding = tensor_info.WhichOneof("encoding")
dtype = tf.DType(tensor_info.dtype)
shape = tf.TensorShape(tensor_info.tensor_shape)
if encoding == "name":
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tensorflow/hub | tensorflow_hub/tensor_info.py | _is_sparse | def _is_sparse(x):
"""Returns whether x is a SparseTensor or a parsed sparse tensor info."""
return (
isinstance(x, (tf.SparseTensor, tf_v1.SparseTensorValue)) or
(hasattr(x, "is_sparse") and x.is_sparse)) | python | def _is_sparse(x):
"""Returns whether x is a SparseTensor or a parsed sparse tensor info."""
return (
isinstance(x, (tf.SparseTensor, tf_v1.SparseTensorValue)) or
(hasattr(x, "is_sparse") and x.is_sparse)) | [
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tensorflow/hub | tensorflow_hub/tensor_info.py | _convert_to_compatible_tensor | def _convert_to_compatible_tensor(value, target, error_prefix):
"""Converts `value` into a tensor that can be feed into `tensor_info`.
Args:
value: A value to convert into Tensor or SparseTensor.
target: An object returned by `parse_tensor_info_map`.
error_prefix: A string to prefix on raised TypeError... | python | def _convert_to_compatible_tensor(value, target, error_prefix):
"""Converts `value` into a tensor that can be feed into `tensor_info`.
Args:
value: A value to convert into Tensor or SparseTensor.
target: An object returned by `parse_tensor_info_map`.
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tensorflow/hub | tensorflow_hub/tensor_info.py | convert_dict_to_compatible_tensor | def convert_dict_to_compatible_tensor(values, targets):
"""Converts dict `values` in tensors that are compatible with `targets`.
Args:
values: A dict to objects to convert with same keys as `targets`.
targets: A dict returned by `parse_tensor_info_map`.
Returns:
A map with the same keys as `values` ... | python | def convert_dict_to_compatible_tensor(values, targets):
"""Converts dict `values` in tensors that are compatible with `targets`.
Args:
values: A dict to objects to convert with same keys as `targets`.
targets: A dict returned by `parse_tensor_info_map`.
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A map with the same keys as `values` ... | [
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tensorflow/hub | tensorflow_hub/tensor_info.py | build_input_map | def build_input_map(protomap, inputs):
"""Builds a map to feed tensors in `protomap` using `inputs`.
Args:
protomap: A proto map<string,TensorInfo>.
inputs: A map with same keys as `protomap` of Tensors and SparseTensors.
Returns:
A map from nodes refered by TensorInfo protos to corresponding input
... | python | def build_input_map(protomap, inputs):
"""Builds a map to feed tensors in `protomap` using `inputs`.
Args:
protomap: A proto map<string,TensorInfo>.
inputs: A map with same keys as `protomap` of Tensors and SparseTensors.
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A map from nodes refered by TensorInfo protos to corresponding input
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tensorflow/hub | tensorflow_hub/tensor_info.py | build_output_map | def build_output_map(protomap, get_tensor_by_name):
"""Builds a map of tensors from `protomap` using `get_tensor_by_name`.
Args:
protomap: A proto map<string,TensorInfo>.
get_tensor_by_name: A lambda that receives a tensor name and returns a
Tensor instance.
Returns:
A map from string to Tenso... | python | def build_output_map(protomap, get_tensor_by_name):
"""Builds a map of tensors from `protomap` using `get_tensor_by_name`.
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protomap: A proto map<string,TensorInfo>.
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tensorflow/hub | tensorflow_hub/tensor_info.py | tensor_info_proto_maps_match | def tensor_info_proto_maps_match(map_a, map_b):
"""Whether two signature inputs/outputs match in dtype, shape and sparsity.
Args:
map_a: A proto map<string,TensorInfo>.
map_b: A proto map<string,TensorInfo>.
Returns:
A boolean whether `map_a` and `map_b` tensors have the same dtype, shape and
sp... | python | def tensor_info_proto_maps_match(map_a, map_b):
"""Whether two signature inputs/outputs match in dtype, shape and sparsity.
Args:
map_a: A proto map<string,TensorInfo>.
map_b: A proto map<string,TensorInfo>.
Returns:
A boolean whether `map_a` and `map_b` tensors have the same dtype, shape and
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tensorflow/hub | examples/text_embeddings/export.py | parse_line | def parse_line(line):
"""Parses a line of a text embedding file.
Args:
line: (str) One line of the text embedding file.
Returns:
A token string and its embedding vector in floats.
"""
columns = line.split()
token = columns.pop(0)
values = [float(column) for column in columns]
return token, val... | python | def parse_line(line):
"""Parses a line of a text embedding file.
Args:
line: (str) One line of the text embedding file.
Returns:
A token string and its embedding vector in floats.
"""
columns = line.split()
token = columns.pop(0)
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tensorflow/hub | examples/text_embeddings/export.py | load | def load(file_path, parse_line_fn):
"""Loads a text embedding into memory as a numpy matrix.
Args:
file_path: Path to the text embedding file.
parse_line_fn: callback function to parse each file line.
Returns:
A tuple of (list of vocabulary tokens, numpy matrix of embedding vectors).
Raises:
... | python | def load(file_path, parse_line_fn):
"""Loads a text embedding into memory as a numpy matrix.
Args:
file_path: Path to the text embedding file.
parse_line_fn: callback function to parse each file line.
Returns:
A tuple of (list of vocabulary tokens, numpy matrix of embedding vectors).
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tensorflow/hub | examples/text_embeddings/export.py | make_module_spec | def make_module_spec(vocabulary_file, vocab_size, embeddings_dim,
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tensorflow/hub | examples/text_embeddings/export.py | export | def export(export_path, vocabulary, embeddings, num_oov_buckets,
preprocess_text):
"""Exports a TF-Hub module that performs embedding lookups.
Args:
export_path: Location to export the module.
vocabulary: List of the N tokens in the vocabulary.
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preprocess_text):
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export_path: Location to export the module.
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tensorflow/hub | examples/text_embeddings/export.py | maybe_append_oov_vectors | def maybe_append_oov_vectors(embeddings, num_oov_buckets):
"""Adds zero vectors for oov buckets if num_oov_buckets > 0.
Since we are assigning zero vectors, adding more that one oov bucket is only
meaningful if we perform fine-tuning.
Args:
embeddings: Embeddings to extend.
num_oov_buckets: Number of ... | python | def maybe_append_oov_vectors(embeddings, num_oov_buckets):
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tensorflow/hub | tensorflow_hub/saved_model_module.py | create_module_spec_from_saved_model | def create_module_spec_from_saved_model(saved_model_path,
drop_collections=None):
"""Experimental: Create a ModuleSpec out of a SavedModel.
Define a ModuleSpec from a SavedModel. Note that this is not guaranteed to
work in all cases and it assumes the SavedModel has follow... | python | def create_module_spec_from_saved_model(saved_model_path,
drop_collections=None):
"""Experimental: Create a ModuleSpec out of a SavedModel.
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tensorflow/hub | tensorflow_hub/estimator.py | register_module_for_export | def register_module_for_export(module, export_name):
"""Register a Module to be exported under `export_name`.
This function registers `module` to be exported by `LatestModuleExporter`
under a subdirectory named `export_name`.
Note that `export_name` must be unique for each module exported from the
current ... | python | def register_module_for_export(module, export_name):
"""Register a Module to be exported under `export_name`.
This function registers `module` to be exported by `LatestModuleExporter`
under a subdirectory named `export_name`.
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tensorflow/hub | tensorflow_hub/estimator.py | _make_estimator_serving_session | def _make_estimator_serving_session(estimator, serving_input_fn,
checkpoint_path):
"""Returns a session constructed using `estimator` and `serving_input_fn`.
The Estimator API does not provide an API to construct a graph and session,
making it necessary for this function to re... | python | def _make_estimator_serving_session(estimator, serving_input_fn,
checkpoint_path):
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tensorflow/hub | tensorflow_hub/native_module.py | create_module_spec | def create_module_spec(module_fn, tags_and_args=None, drop_collections=None):
"""Creates a ModuleSpec from a function that builds the module's graph.
The `module_fn` is called on a new graph (not the current one) to build the
graph of the module and define its signatures via `hub.add_signature()`.
Example:
... | python | def create_module_spec(module_fn, tags_and_args=None, drop_collections=None):
"""Creates a ModuleSpec from a function that builds the module's graph.
The `module_fn` is called on a new graph (not the current one) to build the
graph of the module and define its signatures via `hub.add_signature()`.
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tensorflow/hub | tensorflow_hub/native_module.py | add_signature | def add_signature(name=None, inputs=None, outputs=None):
"""Adds a signature to the module definition.
NOTE: This must be called within a `module_fn` that is defining a Module.
Args:
name: Signature name as a string. If omitted, it is interpreted as 'default'
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"""Adds a signature to the module definition.
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tensorflow/hub | tensorflow_hub/native_module.py | attach_message | def attach_message(key, message):
"""Adds an attached message to the module definition.
NOTE: This must be called within a `module_fn` that is defining a Module.
See ModuleSpec.get_attached_message() for an introduction to attached messages
and the API for module consumers.
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"""Adds an attached message to the module definition.
NOTE: This must be called within a `module_fn` that is defining a Module.
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tensorflow/hub | tensorflow_hub/native_module.py | list_registered_stateful_ops_without_inputs | def list_registered_stateful_ops_without_inputs():
"""Returns set of registered stateful ops that do not expect inputs.
This list is used to identify the ops to be included in the state-graph and
that are subsequently fed into the apply-graphs.
Returns:
A set of strings.
"""
return set([
name
... | python | def list_registered_stateful_ops_without_inputs():
"""Returns set of registered stateful ops that do not expect inputs.
This list is used to identify the ops to be included in the state-graph and
that are subsequently fed into the apply-graphs.
Returns:
A set of strings.
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tensorflow/hub | tensorflow_hub/native_module.py | get_state_map | def get_state_map(meta_graph, state_ops, unsupported_state_ops,
get_tensor_by_name):
"""Returns a map from tensor names to tensors that hold the state."""
state_map = {}
for node in meta_graph.graph_def.node:
if node.op in state_ops:
tensor_name = node.name + ":0"
tensor = get_te... | python | def get_state_map(meta_graph, state_ops, unsupported_state_ops,
get_tensor_by_name):
"""Returns a map from tensor names to tensors that hold the state."""
state_map = {}
for node in meta_graph.graph_def.node:
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tensorflow/hub | tensorflow_hub/native_module.py | replace_apply_state | def replace_apply_state(meta_graph, state_ops, feed_map):
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"""Replaces state ops with non state Placeholder ops for the apply graph."""
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keys_to_purge = []
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tensorflow/hub | tensorflow_hub/native_module.py | _split_tensor_name | def _split_tensor_name(tensor_name):
"""Given a tensor name as node_name:output_number, returns both parts."""
result = re.match(r"(.*):(\d+)$", tensor_name)
if not result:
raise ValueError(
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retur... | python | def _split_tensor_name(tensor_name):
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result = re.match(r"(.*):(\d+)$", tensor_name)
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tensorflow/hub | tensorflow_hub/native_module.py | _extract_variable_parts | def _extract_variable_parts(variable_key, variable):
"""Matches a variable to individual parts.
Args:
variable_key: String identifier of the variable in the module scope.
variable: Variable tensor.
Returns:
partitioned: Whether the variable is partitioned.
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variable_key: String identifier of the variable in the module scope.
variable: Variable tensor.
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tensorflow/hub | tensorflow_hub/native_module.py | recover_partitioned_variable_map | def recover_partitioned_variable_map(var_node_map):
"""Builds a proper variable map if it contains PartitionedVariables.
Args:
var_node_map: A map to tf.Variables. PartitionedVariables show up in this
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Returns:
A map to tf.Variables or to list of tf.V... | python | def recover_partitioned_variable_map(var_node_map):
"""Builds a proper variable map if it contains PartitionedVariables.
Args:
var_node_map: A map to tf.Variables. PartitionedVariables show up in this
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tensorflow/hub | tensorflow_hub/native_module.py | check_unique_tags | def check_unique_tags(tag_list):
"""Checks that tag list contains each set of tags only once."""
frozen_tags_seen = set()
for tags in tag_list:
frozen_tags = frozenset(tags)
if frozen_tags in frozen_tags_seen:
raise ValueError("Tags %r used repeatedly" % tags)
frozen_tags_seen.add(frozen_tags) | python | def check_unique_tags(tag_list):
"""Checks that tag list contains each set of tags only once."""
frozen_tags_seen = set()
for tags in tag_list:
frozen_tags = frozenset(tags)
if frozen_tags in frozen_tags_seen:
raise ValueError("Tags %r used repeatedly" % tags)
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tensorflow/hub | tensorflow_hub/native_module.py | check_collections_are_supported | def check_collections_are_supported(saved_model_handler, supported):
"""Checks that SavedModelHandler only uses supported collections."""
for meta_graph in saved_model_handler.meta_graphs:
used_collection_keys = set(meta_graph.collection_def.keys())
unsupported = used_collection_keys - supported
if unsu... | python | def check_collections_are_supported(saved_model_handler, supported):
"""Checks that SavedModelHandler only uses supported collections."""
for meta_graph in saved_model_handler.meta_graphs:
used_collection_keys = set(meta_graph.collection_def.keys())
unsupported = used_collection_keys - supported
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tensorflow/hub | tensorflow_hub/native_module.py | register_ops_if_needed | def register_ops_if_needed(graph_ops):
"""Register graph ops absent in op_def_registry, if present in c++ registry.
Args:
graph_ops: set with graph op names to register.
Raises:
RuntimeError: if `graph_ops` contains ops that are not in either python or
c++ registry.
"""
missing_ops = graph_ops... | python | def register_ops_if_needed(graph_ops):
"""Register graph ops absent in op_def_registry, if present in c++ registry.
Args:
graph_ops: set with graph op names to register.
Raises:
RuntimeError: if `graph_ops` contains ops that are not in either python or
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tensorflow/hub | tensorflow_hub/native_module.py | fix_colocation_after_import | def fix_colocation_after_import(input_map, absolute_import_scope):
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tensorflow/hub | tensorflow_hub/native_module.py | _build_colocation_attr_map | def _build_colocation_attr_map(input_map, absolute_import_scope):
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Args:
input_map: as for fix_colocation_after_import.
absolute_import_scope: as for fix_colocation_after_import.
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A dict that maps bytes `"loc:@" + abso... | python | def _build_colocation_attr_map(input_map, absolute_import_scope):
"""Returns a dict mapping from pre-import to post-import colocation attrs.
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input_map: as for fix_colocation_after_import.
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tensorflow/hub | tensorflow_hub/native_module.py | _apply_colocation_attr_map | def _apply_colocation_attr_map(colocation_attr_map, absolute_import_scope):
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tensorflow/hub | tensorflow_hub/native_module.py | find_state_op_colocation_error | def find_state_op_colocation_error(graph, reported_tags=None):
"""Returns error message for colocation of state ops, or None if ok."""
state_op_types = list_registered_stateful_ops_without_inputs()
state_op_map = {op.name: op for op in graph.get_operations()
if op.type in state_op_types}
for o... | python | def find_state_op_colocation_error(graph, reported_tags=None):
"""Returns error message for colocation of state ops, or None if ok."""
state_op_types = list_registered_stateful_ops_without_inputs()
state_op_map = {op.name: op for op in graph.get_operations()
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tensorflow/hub | tensorflow_hub/native_module.py | find_signature_input_colocation_error | def find_signature_input_colocation_error(signature_name, inputs):
"""Returns error message for colocation of signature inputs, or None if ok."""
for input_name, tensor in inputs.items():
expected_colocation_groups = [tf.compat.as_bytes("loc:@" + tensor.op.name)]
if tensor.op.colocation_groups() != expected... | python | def find_signature_input_colocation_error(signature_name, inputs):
"""Returns error message for colocation of signature inputs, or None if ok."""
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expected_colocation_groups = [tf.compat.as_bytes("loc:@" + tensor.op.name)]
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tensorflow/hub | tensorflow_hub/native_module.py | find_signature_inputs_from_multivalued_ops | def find_signature_inputs_from_multivalued_ops(inputs):
"""Returns error message for module inputs from ops with multiple outputs."""
dense_inputs = [] # List of (str, Tensor), with SparseTensors decomposed.
for name, tensor in sorted(inputs.items()):
if isinstance(tensor, tf.SparseTensor):
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"""Returns error message for module inputs from ops with multiple outputs."""
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for name, tensor in sorted(inputs.items()):
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tensorflow/hub | tensorflow_hub/native_module.py | _ModuleSpec._export | def _export(self, path, variables_saver):
"""Internal.
Args:
path: string where to export the module to.
variables_saver: an unary-function that writes the module variables
checkpoint on the given path.
"""
self._saved_model_handler.export(path, variables_saver=variables_saver)
... | python | def _export(self, path, variables_saver):
"""Internal.
Args:
path: string where to export the module to.
variables_saver: an unary-function that writes the module variables
checkpoint on the given path.
"""
self._saved_model_handler.export(path, variables_saver=variables_saver)
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tensorflow/hub | tensorflow_hub/native_module.py | _ModuleImpl._create_state_graph | def _create_state_graph(self, name):
"""Creates the graph nodes that hold the state of the Module.
Args:
name: name scope to create the state graph in.
Returns:
A tuple consisting of:
variables_tensor_map: a map from tensor names in the original graph def
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name: name scope to create the state graph in.
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tensorflow/hub | tensorflow_hub/native_module.py | _ModuleImpl.create_apply_graph | def create_apply_graph(self, signature, input_tensors, name):
"""See `ModuleImpl.create_apply_graph`."""
signature_def = self._meta_graph.signature_def.get(signature)
meta_graph = meta_graph_pb2.MetaGraphDef()
meta_graph.CopyFrom(self._meta_graph)
apply_graph = tf_v1.get_default_graph()
infeed_m... | python | def create_apply_graph(self, signature, input_tensors, name):
"""See `ModuleImpl.create_apply_graph`."""
signature_def = self._meta_graph.signature_def.get(signature)
meta_graph = meta_graph_pb2.MetaGraphDef()
meta_graph.CopyFrom(self._meta_graph)
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tensorflow/hub | tensorflow_hub/native_module.py | _ModuleImpl.export | def export(self, path, session):
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tensorflow/hub | tensorflow_hub/native_module.py | _ConsistentValue.Set | def Set(self, value, context=None):
"""Receives a value for the object and some context on its source."""
if self.has_error: return
if self.value is None:
self.value = value
self._context["old_value"] = value
self._context.update({"old_" + k: v for k, v in context.items()})
elif self.v... | python | def Set(self, value, context=None):
"""Receives a value for the object and some context on its source."""
if self.has_error: return
if self.value is None:
self.value = value
self._context["old_value"] = value
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tensorflow/hub | tensorflow_hub/native_module.py | _ConsistentValue.GetConsistentValueOrRaise | def GetConsistentValueOrRaise(self, error_format, context=None):
"""Gets consistent value or raises ValueError with formatted contexts."""
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tensorflow/hub | tensorflow_hub/compressed_module_resolver.py | _module_dir | def _module_dir(handle):
"""Returns the directory where to cache the module."""
cache_dir = resolver.tfhub_cache_dir(use_temp=True)
return resolver.create_local_module_dir(
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hashlib.sha1(handle.encode("utf8")).hexdigest()) | python | def _module_dir(handle):
"""Returns the directory where to cache the module."""
cache_dir = resolver.tfhub_cache_dir(use_temp=True)
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tensorflow/hub | tensorflow_hub/saved_model_lib.py | get_variables_path | def get_variables_path(export_dir):
"""Returns the path for storing variables checkpoints."""
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tf.compat.as_bytes(tf_v1.saved_model.constants.VARIABLES_DIRECTORY),
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"""Returns the path for storing variables checkpoints."""
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tensorflow/hub | tensorflow_hub/saved_model_lib.py | _get_node_name_from_tensor | def _get_node_name_from_tensor(tensor_name):
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result = re.match(r"([^:]*):\d+$", tensor_name)
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tensorflow/hub | tensorflow_hub/saved_model_lib.py | add_signature | def add_signature(key, inputs, outputs):
"""Adds a signature to current graph.
Args:
key: Signature key as a string.
inputs: Signature inputs as a map from string to Tensor or SparseTensor.
outputs: Signature outputs as a map from string to Tensor or SparseTensor.
(Recall that a Variable is not a... | python | def add_signature(key, inputs, outputs):
"""Adds a signature to current graph.
Args:
key: Signature key as a string.
inputs: Signature inputs as a map from string to Tensor or SparseTensor.
outputs: Signature outputs as a map from string to Tensor or SparseTensor.
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tensorflow/hub | tensorflow_hub/saved_model_lib.py | _export_signatures | def _export_signatures(meta_graph):
"""Exports signatures from current graph into a MetaGraphDef."""
named_signatures = tf_v1.get_collection(_SIGNATURE_COLLECTION)
if not named_signatures:
raise ValueError("No signatures present. Please call hub.add_signature(...)"
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"""Exports signatures from current graph into a MetaGraphDef."""
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tensorflow/hub | tensorflow_hub/saved_model_lib.py | attach_bytes | def attach_bytes(key, the_bytes):
"""Adds a ModuleAttachment to the current graph.
Args:
key: A string with the unique key of the attachment.
the_bytes: A bytes object with the serialized attachment.
"""
tf_v1.add_to_collection(
_ATTACHMENT_COLLECTION_INTERNAL,
module_attachment_pb2.ModuleA... | python | def attach_bytes(key, the_bytes):
"""Adds a ModuleAttachment to the current graph.
Args:
key: A string with the unique key of the attachment.
the_bytes: A bytes object with the serialized attachment.
"""
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tensorflow/hub | tensorflow_hub/saved_model_lib.py | _export_module_attachments | def _export_module_attachments(meta_graph):
"""Exports ModuleAttachments from the current tf.Graph into `meta_graph`."""
added_attachments = tf_v1.get_collection(_ATTACHMENT_COLLECTION_INTERNAL)
if not added_attachments: return # Don't touch `meta_graph`.
unique_attachments = collections.OrderedDict( # Avoid ... | python | def _export_module_attachments(meta_graph):
"""Exports ModuleAttachments from the current tf.Graph into `meta_graph`."""
added_attachments = tf_v1.get_collection(_ATTACHMENT_COLLECTION_INTERNAL)
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tensorflow/hub | tensorflow_hub/saved_model_lib.py | get_attached_bytes_map | def get_attached_bytes_map(meta_graph):
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Args:
meta_graph: A MetaGraphDef, as built by SavedModelHandler.add_graph_copy()
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Returns:
A dict, containing the `(key, bytes)` items passed to `attach_bytes()`
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tensorflow/hub | tensorflow_hub/saved_model_lib.py | _check_asset_node_def | def _check_asset_node_def(node_def):
"""Raises TypeError if `node_def` does not match the expectations."""
if node_def.op != "Const":
raise TypeError("Asset node must be of type constant.")
if tf.as_dtype(node_def.attr["dtype"].type) != tf.string:
raise TypeError("Asset node must be of dtype string.")
i... | python | def _check_asset_node_def(node_def):
"""Raises TypeError if `node_def` does not match the expectations."""
if node_def.op != "Const":
raise TypeError("Asset node must be of type constant.")
if tf.as_dtype(node_def.attr["dtype"].type) != tf.string:
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tensorflow/hub | tensorflow_hub/saved_model_lib.py | _merge_assets_key_collection | def _merge_assets_key_collection(saved_model_proto, path):
"""Merges the ASSETS_KEY collection into the GraphDefs in saved_model_proto.
Removes the ASSETS_KEY collection from the GraphDefs in the SavedModel and
modifies nodes with the assets filenames to point to the assets in `path`.
After this transformation... | python | def _merge_assets_key_collection(saved_model_proto, path):
"""Merges the ASSETS_KEY collection into the GraphDefs in saved_model_proto.
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tensorflow/hub | tensorflow_hub/saved_model_lib.py | _make_assets_key_collection | def _make_assets_key_collection(saved_model_proto, export_path):
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Adds an ASSETS_KEY collection to the GraphDefs in the SavedModel and returns
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tensorflow/hub | tensorflow_hub/saved_model_lib.py | _parse_saved_model | def _parse_saved_model(path):
"""Reads the savedmodel.pb file containing `SavedModel`."""
# Based on tensorflow/python/saved_model/loader.py implementation.
path_to_pb = _get_saved_model_proto_path(path)
file_content = tf_v1.gfile.Open(path_to_pb, "rb").read()
saved_model = saved_model_pb2.SavedModel()
try:... | python | def _parse_saved_model(path):
"""Reads the savedmodel.pb file containing `SavedModel`."""
# Based on tensorflow/python/saved_model/loader.py implementation.
path_to_pb = _get_saved_model_proto_path(path)
file_content = tf_v1.gfile.Open(path_to_pb, "rb").read()
saved_model = saved_model_pb2.SavedModel()
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tensorflow/hub | tensorflow_hub/saved_model_lib.py | load | def load(path):
"""Creates a SavedModelHandler from a SavedModel in `path`."""
proto = _parse_saved_model(path)
_merge_assets_key_collection(proto, path)
handler = SavedModelHandler()
handler._proto = proto # pylint: disable=protected-access
return handler | python | def load(path):
"""Creates a SavedModelHandler from a SavedModel in `path`."""
proto = _parse_saved_model(path)
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handler = SavedModelHandler()
handler._proto = proto # pylint: disable=protected-access
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tensorflow/hub | tensorflow_hub/saved_model_lib.py | SavedModelHandler.add_graph_copy | def add_graph_copy(self, graph, tags=None):
"""Adds a copy of Graph with the specified set of tags."""
with graph.as_default():
# Remove default attrs so that Modules created by a tensorflow version
# with ops that have new attrs that are left to their default values can
# still be loaded by o... | python | def add_graph_copy(self, graph, tags=None):
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tensorflow/hub | tensorflow_hub/saved_model_lib.py | SavedModelHandler.get_meta_graph_copy | def get_meta_graph_copy(self, tags=None):
"""Returns a copy of a MetaGraph with the identical set of tags."""
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copy.CopyFrom(meta_graph)
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tensorflow/hub | tensorflow_hub/saved_model_lib.py | SavedModelHandler.export | def export(self, path, variables_saver=None):
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Args:
path: path where to export the SavedModel to.
variables_saver: lambda that receives a directory path where to
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tensorflow/hub | tensorflow_hub/keras_layer.py | KerasLayer._add_existing_weight | def _add_existing_weight(self, weight, trainable=None):
"""Calls add_weight() to register but not create an existing weight."""
if trainable is None: trainable = weight.trainable
self.add_weight(name=weight.name, shape=weight.shape, dtype=weight.dtype,
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tensorflow/hub | tensorflow_hub/module.py | export_module_spec | def export_module_spec(spec, path, checkpoint_path, name_transform_fn):
"""Helper function to ModuleSpec.export()."""
with tf.Graph().as_default():
m = Module(spec)
assign_map = {
name_transform_fn(name): value for name, value in m.variable_map.items()
}
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"""Helper function to ModuleSpec.export()."""
with tf.Graph().as_default():
m = Module(spec)
assign_map = {
name_transform_fn(name): value for name, value in m.variable_map.items()
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tensorflow/hub | tensorflow_hub/module.py | _try_get_state_scope | def _try_get_state_scope(name, mark_name_scope_used=True):
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tensorflow/hub | tensorflow_hub/module.py | _prepare_dict_inputs | def _prepare_dict_inputs(inputs, tensor_info_map):
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inputs: inputs fed to Module.__call__().
tensor_info_map: A map from string to `tensor_info.ParsedTensorInfo`
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tensorflow/hub | tensorflow_hub/module.py | _convert_dict_inputs | def _convert_dict_inputs(inputs, tensor_info_map):
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tensorflow/hub | tensorflow_hub/module.py | eval_function_for_module | def eval_function_for_module(spec, tags=None):
"""Context manager that yields a function to directly evaluate a Module.
This creates a separate graph, in which all of the signatures of the module
are instantiated. Then, it creates a session and initializes the module
variables. Finally, it returns a function w... | python | def eval_function_for_module(spec, tags=None):
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tensorflow/hub | tensorflow_hub/module.py | load | def load(handle):
"""Loads a module from a handle.
Currently this method only works with Tensorflow 2.x and can only load modules
created by calling tensorflow.saved_model.save(). The method works in both
eager and graph modes.
Depending on the type of handle used, the call may involve downloading a
Tenso... | python | def load(handle):
"""Loads a module from a handle.
Currently this method only works with Tensorflow 2.x and can only load modules
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tensorflow/hub | tensorflow_hub/module.py | Module.get_input_info_dict | def get_input_info_dict(self, signature=None):
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Args:
signature: A string with the signature to get inputs information for.
If None, the default signature is used if defined.
Returns:
The result of ModuleSpec.get_input_info_dict() for the... | python | def get_input_info_dict(self, signature=None):
"""Describes the inputs required by a signature.
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signature: A string with the signature to get inputs information for.
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tensorflow/hub | tensorflow_hub/module.py | Module.get_output_info_dict | def get_output_info_dict(self, signature=None):
"""Describes the outputs provided by a signature.
Args:
signature: A string with the signature to get ouputs information for.
If None, the default signature is used if defined.
Returns:
The result of ModuleSpec.get_output_info_dict() for ... | python | def get_output_info_dict(self, signature=None):
"""Describes the outputs provided by a signature.
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signature: A string with the signature to get ouputs information for.
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tensorflow/hub | tensorflow_hub/module.py | Module.get_attached_message | def get_attached_message(self, key, message_type, required=False):
"""Calls ModuleSpec.get_attached_message(); see there for more."""
return self._spec.get_attached_message(key, message_type,
tags=self._tags, required=required) | python | def get_attached_message(self, key, message_type, required=False):
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tensorflow/hub | tensorflow_hub/module.py | Module.export | def export(self, path, session):
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tensorflow/hub | tensorflow_hub/module.py | Module.variables | def variables(self):
"""Returns the list of all tf.Variables created by module instantiation."""
result = []
for _, value in sorted(self.variable_map.items()):
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result.extend(value)
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"""Returns the list of all tf.Variables created by module instantiation."""
result = []
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tensorflow/hub | tensorflow_hub/feature_column.py | text_embedding_column | def text_embedding_column(key, module_spec, trainable=False):
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tensorflow/hub | tensorflow_hub/feature_column.py | _check_module_is_text_embedding | def _check_module_is_text_embedding(module_spec):
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Args:
module_spec: A `ModuleSpec` to test.
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tensorflow/hub | tensorflow_hub/feature_column.py | image_embedding_column | def image_embedding_column(key, module_spec):
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"""Uses a Module to get a dense 1-D representation from the pixels of images.
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tensorflow/hub | tensorflow_hub/feature_column.py | _check_module_is_image_embedding | def _check_module_is_image_embedding(module_spec):
"""Raises ValueError if `module_spec` is not usable as image embedding.
Args:
module_spec: A `_ModuleSpec` to test.
Raises:
ValueError: if `module_spec` default signature is not compatible with
mappingan "images" input to a Tensor(float32, shape... | python | def _check_module_is_image_embedding(module_spec):
"""Raises ValueError if `module_spec` is not usable as image embedding.
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module_spec: A `_ModuleSpec` to test.
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tensorflow/hub | tensorflow_hub/feature_column.py | _TextEmbeddingColumn.name | def name(self):
"""Returns string. Used for variable_scope and naming."""
if not hasattr(self, "_name"):
self._name = "{}_hub_module_embedding".format(self.key)
return self._name | python | def name(self):
"""Returns string. Used for variable_scope and naming."""
if not hasattr(self, "_name"):
self._name = "{}_hub_module_embedding".format(self.key)
return self._name | [
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tensorflow/hub | tensorflow_hub/feature_column.py | _TextEmbeddingColumn._get_dense_tensor | def _get_dense_tensor(self, inputs, weight_collections=None, trainable=None):
"""Returns a `Tensor`."""
del weight_collections
text_batch = tf.reshape(inputs.get(self), shape=[-1])
m = module.Module(self.module_spec, trainable=self.trainable and trainable)
return m(text_batch) | python | def _get_dense_tensor(self, inputs, weight_collections=None, trainable=None):
"""Returns a `Tensor`."""
del weight_collections
text_batch = tf.reshape(inputs.get(self), shape=[-1])
m = module.Module(self.module_spec, trainable=self.trainable and trainable)
return m(text_batch) | [
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tensorflow/hub | tensorflow_hub/feature_column.py | _ImageEmbeddingColumn._parse_example_spec | def _parse_example_spec(self):
"""Returns a `tf.Example` parsing spec as dict."""
height, width = image_util.get_expected_image_size(self.module_spec)
input_shape = [height, width, 3]
return {self.key: tf_v1.FixedLenFeature(input_shape, tf.float32)} | python | def _parse_example_spec(self):
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height, width = image_util.get_expected_image_size(self.module_spec)
input_shape = [height, width, 3]
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tensorflow/hub | tensorflow_hub/feature_column.py | _ImageEmbeddingColumn._get_dense_tensor | def _get_dense_tensor(self, inputs, weight_collections=None, trainable=None):
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del weight_collections, trainable # Unused.
m = module.Module(self.module_spec, trainable=False)
images = inputs.get(self)
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"""Returns a `Tensor` to represent this feature in the input_layer()."""
del weight_collections, trainable # Unused.
m = module.Module(self.module_spec, trainable=False)
images = inputs.get(self)
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tensorflow/hub | tensorflow_hub/module_v2.py | load | def load(handle):
"""Loads a module from a handle.
Currently this method only works with Tensorflow 2.x and can only load modules
created by calling tensorflow.saved_model.save(). The method works in both
eager and graph modes.
Depending on the type of handle used, the call may involve downloading a
Tenso... | python | def load(handle):
"""Loads a module from a handle.
Currently this method only works with Tensorflow 2.x and can only load modules
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tensorflow/hub | tensorflow_hub/resolver.py | tfhub_cache_dir | def tfhub_cache_dir(default_cache_dir=None, use_temp=False):
"""Returns cache directory.
Returns cache directory from either TFHUB_CACHE_DIR environment variable
or --tfhub_cache_dir or default, if set.
Args:
default_cache_dir: Default cache location to use if neither TFHUB_CACHE_DIR
... | python | def tfhub_cache_dir(default_cache_dir=None, use_temp=False):
"""Returns cache directory.
Returns cache directory from either TFHUB_CACHE_DIR environment variable
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tensorflow/hub | tensorflow_hub/resolver.py | create_local_module_dir | def create_local_module_dir(cache_dir, module_name):
"""Creates and returns the name of directory where to cache a module."""
tf_v1.gfile.MakeDirs(cache_dir)
return os.path.join(cache_dir, module_name) | python | def create_local_module_dir(cache_dir, module_name):
"""Creates and returns the name of directory where to cache a module."""
tf_v1.gfile.MakeDirs(cache_dir)
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tensorflow/hub | tensorflow_hub/resolver.py | _merge_relative_path | def _merge_relative_path(dst_path, rel_path):
"""Merge a relative tar file to a destination (which can be "gs://...")."""
# Convert rel_path to be relative and normalize it to remove ".", "..", "//",
# which are valid directories in fileystems like "gs://".
norm_rel_path = os.path.normpath(rel_path.lstrip("/"))... | python | def _merge_relative_path(dst_path, rel_path):
"""Merge a relative tar file to a destination (which can be "gs://...")."""
# Convert rel_path to be relative and normalize it to remove ".", "..", "//",
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tensorflow/hub | tensorflow_hub/resolver.py | _write_module_descriptor_file | def _write_module_descriptor_file(handle, module_dir):
"""Writes a descriptor file about the directory containing a module.
Args:
handle: Module name/handle.
module_dir: Directory where a module was downloaded.
"""
readme = _module_descriptor_file(module_dir)
readme_content = (
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"""Writes a descriptor file about the directory containing a module.
Args:
handle: Module name/handle.
module_dir: Directory where a module was downloaded.
"""
readme = _module_descriptor_file(module_dir)
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tensorflow/hub | tensorflow_hub/resolver.py | _dir_size | def _dir_size(directory):
"""Returns total size (in bytes) of the given 'directory'."""
size = 0
for elem in tf_v1.gfile.ListDirectory(directory):
elem_full_path = os.path.join(directory, elem)
stat = tf_v1.gfile.Stat(elem_full_path)
size += _dir_size(elem_full_path) if stat.is_directory else stat.len... | python | def _dir_size(directory):
"""Returns total size (in bytes) of the given 'directory'."""
size = 0
for elem in tf_v1.gfile.ListDirectory(directory):
elem_full_path = os.path.join(directory, elem)
stat = tf_v1.gfile.Stat(elem_full_path)
size += _dir_size(elem_full_path) if stat.is_directory else stat.len... | [
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tensorflow/hub | tensorflow_hub/resolver.py | _locked_tmp_dir_size | def _locked_tmp_dir_size(lock_filename):
"""Returns the size of the temp dir pointed to by the given lock file."""
task_uid = _task_uid_from_lock_file(lock_filename)
try:
return _dir_size(
_temp_download_dir(_module_dir(lock_filename), task_uid))
except tf.errors.NotFoundError:
return 0 | python | def _locked_tmp_dir_size(lock_filename):
"""Returns the size of the temp dir pointed to by the given lock file."""
task_uid = _task_uid_from_lock_file(lock_filename)
try:
return _dir_size(
_temp_download_dir(_module_dir(lock_filename), task_uid))
except tf.errors.NotFoundError:
return 0 | [
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tensorflow/hub | tensorflow_hub/resolver.py | _wait_for_lock_to_disappear | def _wait_for_lock_to_disappear(handle, lock_file, lock_file_timeout_sec):
"""Waits for the lock file to disappear.
The lock file was created by another process that is performing a download
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"""Waits for the lock file to disappear.
The lock file was created by another process that is performing a download
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tensorflow/hub | tensorflow_hub/resolver.py | atomic_download | def atomic_download(handle,
download_fn,
module_dir,
lock_file_timeout_sec=10 * 60):
"""Returns the path to a Module directory for a given TF-Hub Module handle.
Args:
handle: (string) Location of a TF-Hub Module.
download_fn: Callback function tha... | python | def atomic_download(handle,
download_fn,
module_dir,
lock_file_timeout_sec=10 * 60):
"""Returns the path to a Module directory for a given TF-Hub Module handle.
Args:
handle: (string) Location of a TF-Hub Module.
download_fn: Callback function tha... | [
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tensorflow/hub | tensorflow_hub/resolver.py | DownloadManager._print_download_progress_msg | def _print_download_progress_msg(self, msg, flush=False):
"""Prints a message about download progress either to the console or TF log.
Args:
msg: Message to print.
flush: Indicates whether to flush the output (only used in interactive
mode).
"""
if self._interactive_mode():
... | python | def _print_download_progress_msg(self, msg, flush=False):
"""Prints a message about download progress either to the console or TF log.
Args:
msg: Message to print.
flush: Indicates whether to flush the output (only used in interactive
mode).
"""
if self._interactive_mode():
... | [
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tensorflow/hub | tensorflow_hub/resolver.py | DownloadManager._log_progress | def _log_progress(self, bytes_downloaded):
"""Logs progress information about ongoing module download.
Args:
bytes_downloaded: Number of bytes downloaded.
"""
self._total_bytes_downloaded += bytes_downloaded
now = time.time()
if (self._interactive_mode() or
now - self._last_progre... | python | def _log_progress(self, bytes_downloaded):
"""Logs progress information about ongoing module download.
Args:
bytes_downloaded: Number of bytes downloaded.
"""
self._total_bytes_downloaded += bytes_downloaded
now = time.time()
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tensorflow/hub | tensorflow_hub/resolver.py | DownloadManager._extract_file | def _extract_file(self, tgz, tarinfo, dst_path, buffer_size=10<<20):
"""Extracts 'tarinfo' from 'tgz' and writes to 'dst_path'."""
src = tgz.extractfile(tarinfo)
dst = tf_v1.gfile.GFile(dst_path, "wb")
while 1:
buf = src.read(buffer_size)
if not buf:
break
dst.write(buf)
... | python | def _extract_file(self, tgz, tarinfo, dst_path, buffer_size=10<<20):
"""Extracts 'tarinfo' from 'tgz' and writes to 'dst_path'."""
src = tgz.extractfile(tarinfo)
dst = tf_v1.gfile.GFile(dst_path, "wb")
while 1:
buf = src.read(buffer_size)
if not buf:
break
dst.write(buf)
... | [
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tensorflow/hub | tensorflow_hub/resolver.py | DownloadManager.download_and_uncompress | def download_and_uncompress(self, fileobj, dst_path):
"""Streams the content for the 'fileobj' and stores the result in dst_path.
Args:
fileobj: File handle pointing to .tar/.tar.gz content.
dst_path: Absolute path where to store uncompressed data from 'fileobj'.
Raises:
ValueError: Unkn... | python | def download_and_uncompress(self, fileobj, dst_path):
"""Streams the content for the 'fileobj' and stores the result in dst_path.
Args:
fileobj: File handle pointing to .tar/.tar.gz content.
dst_path: Absolute path where to store uncompressed data from 'fileobj'.
Raises:
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tensorflow/hub | tensorflow_hub/meta_graph_lib.py | prepend_name_scope | def prepend_name_scope(name, import_scope):
"""Prepends name scope to a name."""
# Based on tensorflow/python/framework/ops.py implementation.
if import_scope:
try:
str_to_replace = r"([\^]|loc:@|^)(.*)"
return re.sub(str_to_replace, r"\1" + import_scope + r"/\2",
tf.compat.as_... | python | def prepend_name_scope(name, import_scope):
"""Prepends name scope to a name."""
# Based on tensorflow/python/framework/ops.py implementation.
if import_scope:
try:
str_to_replace = r"([\^]|loc:@|^)(.*)"
return re.sub(str_to_replace, r"\1" + import_scope + r"/\2",
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tensorflow/hub | tensorflow_hub/meta_graph_lib.py | prefix_shared_name_attributes | def prefix_shared_name_attributes(meta_graph, absolute_import_scope):
"""In-place prefixes shared_name attributes of nodes."""
shared_name_attr = "shared_name"
for node in meta_graph.graph_def.node:
shared_name_value = node.attr.get(shared_name_attr, None)
if shared_name_value and shared_name_value.HasFie... | python | def prefix_shared_name_attributes(meta_graph, absolute_import_scope):
"""In-place prefixes shared_name attributes of nodes."""
shared_name_attr = "shared_name"
for node in meta_graph.graph_def.node:
shared_name_value = node.attr.get(shared_name_attr, None)
if shared_name_value and shared_name_value.HasFie... | [
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tensorflow/hub | tensorflow_hub/meta_graph_lib.py | mark_backward | def mark_backward(output_tensor, used_node_names):
"""Function to propagate backwards in the graph and mark nodes as used.
Traverses recursively through the graph from the end tensor, through the op
that generates the tensor, and then to the input tensors that feed the op.
Nodes encountered are stored in used_... | python | def mark_backward(output_tensor, used_node_names):
"""Function to propagate backwards in the graph and mark nodes as used.
Traverses recursively through the graph from the end tensor, through the op
that generates the tensor, and then to the input tensors that feed the op.
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tensorflow/hub | tensorflow_hub/meta_graph_lib.py | prune_unused_nodes | def prune_unused_nodes(meta_graph, signature_def):
"""Function to prune unused ops given a signature def.
This function does a graph traversal through from all outputs as
defined in the signature_def to collect all used nodes. Then, any
nodes which are unused can be discarded. This is useful for graph which ar... | python | def prune_unused_nodes(meta_graph, signature_def):
"""Function to prune unused ops given a signature def.
This function does a graph traversal through from all outputs as
defined in the signature_def to collect all used nodes. Then, any
nodes which are unused can be discarded. This is useful for graph which ar... | [
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