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Returns the ID for the given run, creating the row if needed. Args: experiment_name: name of experiment containing this run. run_name: name of run.
def _maybe_init_run(self, experiment_name, run_name): """Returns the ID for the given run, creating the row if needed. Args: experiment_name: name of experiment containing this run. run_name: name of run. """ experiment_id = self._maybe_init_experiment(experiment_name) cursor = self._db...
Returns a tag-to-ID map for the given tags, creating rows if needed. Args: run_id: the ID of the run to which these tags belong. tag_to_metadata: map of tag name to SummaryMetadata for the tag.
def _maybe_init_tags(self, run_id, tag_to_metadata): """Returns a tag-to-ID map for the given tags, creating rows if needed. Args: run_id: the ID of the run to which these tags belong. tag_to_metadata: map of tag name to SummaryMetadata for the tag. """ cursor = self._db.cursor() # TODO...
Transactionally writes the given tagged summary data to the DB. Args: tagged_data: map from tag to TagData instances. experiment_name: name of experiment. run_name: name of run.
def write_summaries(self, tagged_data, experiment_name, run_name): """Transactionally writes the given tagged summary data to the DB. Args: tagged_data: map from tag to TagData instances. experiment_name: name of experiment. run_name: name of run. """ logger.debug('Writing summaries f...
Get the raw encoded image data, downloading it if necessary.
def image_data(verbose=False): """Get the raw encoded image data, downloading it if necessary.""" # This is a principled use of the `global` statement; don't lint me. global _IMAGE_DATA # pylint: disable=global-statement if _IMAGE_DATA is None: if verbose: logger.info("--- Downloading image.") wi...
Perform a 2D pixel convolution on the given image. Arguments: image: A 3D `float32` `Tensor` of shape `[height, width, channels]`, where `channels` is the third argument to this function and the first two dimensions are arbitrary. pixel_filter: A 2D `Tensor`, representing pixel weightings for the...
def convolve(image, pixel_filter, channels=3, name=None): """Perform a 2D pixel convolution on the given image. Arguments: image: A 3D `float32` `Tensor` of shape `[height, width, channels]`, where `channels` is the third argument to this function and the first two dimensions are arbitrary. pix...
Get the image as a TensorFlow variable. Returns: A `tf.Variable`, which must be initialized prior to use: invoke `sess.run(result.initializer)`.
def get_image(verbose=False): """Get the image as a TensorFlow variable. Returns: A `tf.Variable`, which must be initialized prior to use: invoke `sess.run(result.initializer)`.""" base_data = tf.constant(image_data(verbose=verbose)) base_image = tf.image.decode_image(base_data, channels=3) base_imag...
Run a box-blur-to-Gaussian-blur demonstration. See the summary description for more details. Arguments: logdir: Directory into which to write event logs. verbose: Boolean; whether to log any output.
def run_box_to_gaussian(logdir, verbose=False): """Run a box-blur-to-Gaussian-blur demonstration. See the summary description for more details. Arguments: logdir: Directory into which to write event logs. verbose: Boolean; whether to log any output. """ if verbose: logger.info('--- Starting run:...
Run a Sobel edge detection demonstration. See the summary description for more details. Arguments: logdir: Directory into which to write event logs. verbose: Boolean; whether to log any output.
def run_sobel(logdir, verbose=False): """Run a Sobel edge detection demonstration. See the summary description for more details. Arguments: logdir: Directory into which to write event logs. verbose: Boolean; whether to log any output. """ if verbose: logger.info('--- Starting run: sobel') tf....
Run simulations on a reasonable set of parameters. Arguments: logdir: the directory into which to store all the runs' data verbose: if true, print out each run's name as it begins
def run_all(logdir, verbose=False): """Run simulations on a reasonable set of parameters. Arguments: logdir: the directory into which to store all the runs' data verbose: if true, print out each run's name as it begins """ run_box_to_gaussian(logdir, verbose=verbose) run_sobel(logdir, verbose=verbose...
Get the value of a feature from Example regardless of feature type.
def proto_value_for_feature(example, feature_name): """Get the value of a feature from Example regardless of feature type.""" feature = get_example_features(example)[feature_name] if feature is None: raise ValueError('Feature {} is not on example proto.'.format(feature_name)) feature_type = feature.WhichOne...
Returns an `OriginalFeatureList` for the specified feature_name. Args: example: An example. feature_name: A string feature name. Returns: A filled in `OriginalFeatureList` object representing the feature.
def parse_original_feature_from_example(example, feature_name): """Returns an `OriginalFeatureList` for the specified feature_name. Args: example: An example. feature_name: A string feature name. Returns: A filled in `OriginalFeatureList` object representing the feature. """ feature = get_exampl...
Returns packaged inference results from the provided proto. Args: inference_result_proto: The classification or regression response proto. Returns: An InferenceResult proto with the result from the response.
def wrap_inference_results(inference_result_proto): """Returns packaged inference results from the provided proto. Args: inference_result_proto: The classification or regression response proto. Returns: An InferenceResult proto with the result from the response. """ inference_proto = inference_pb2.I...
Returns a list of feature names for float and int64 type features. Args: example: An example. Returns: A list of strings of the names of numeric features.
def get_numeric_feature_names(example): """Returns a list of feature names for float and int64 type features. Args: example: An example. Returns: A list of strings of the names of numeric features. """ numeric_features = ('float_list', 'int64_list') features = get_example_features(example) retur...
Returns a list of feature names for byte type features. Args: example: An example. Returns: A list of categorical feature names (e.g. ['education', 'marital_status'] )
def get_categorical_feature_names(example): """Returns a list of feature names for byte type features. Args: example: An example. Returns: A list of categorical feature names (e.g. ['education', 'marital_status'] ) """ features = get_example_features(example) return sorted([ feature_name for...
Returns numerical features and their observed ranges. Args: examples: Examples to read to get ranges. Returns: A dict mapping feature_name -> {'observedMin': 'observedMax': } dicts, with a key for each numerical feature.
def get_numeric_features_to_observed_range(examples): """Returns numerical features and their observed ranges. Args: examples: Examples to read to get ranges. Returns: A dict mapping feature_name -> {'observedMin': 'observedMax': } dicts, with a key for each numerical feature. """ observed_featu...
Returns categorical features and a sampling of their most-common values. The results of this slow function are used by the visualization repeatedly, so the results are cached. Args: examples: Examples to read to get feature samples. top_k: Max number of samples to return per feature. Returns: A d...
def get_categorical_features_to_sampling(examples, top_k): """Returns categorical features and a sampling of their most-common values. The results of this slow function are used by the visualization repeatedly, so the results are cached. Args: examples: Examples to read to get feature samples. top_k: ...
Return a list of `MutantFeatureValue`s that are variants of original.
def make_mutant_features(original_feature, index_to_mutate, viz_params): """Return a list of `MutantFeatureValue`s that are variants of original.""" lower = viz_params.x_min upper = viz_params.x_max examples = viz_params.examples num_mutants = viz_params.num_mutants if original_feature.feature_type == 'flo...
Return a list of `MutantFeatureValue`s and a list of mutant Examples. Args: example_protos: The examples to mutate. original_feature: A `OriginalFeatureList` that encapsulates the feature to mutate. index_to_mutate: The index of the int64_list or float_list to mutate. viz_params: A `VizParams` ...
def make_mutant_tuples(example_protos, original_feature, index_to_mutate, viz_params): """Return a list of `MutantFeatureValue`s and a list of mutant Examples. Args: example_protos: The examples to mutate. original_feature: A `OriginalFeatureList` that encapsulates the feature to ...
Returns JSON formatted for rendering all charts for a feature. Args: example_proto: The example protos to mutate. feature_name: The string feature name to mutate. serving_bundles: One `ServingBundle` object per model, that contains the information to make the serving request. viz_params: A `Viz...
def mutant_charts_for_feature(example_protos, feature_name, serving_bundles, viz_params): """Returns JSON formatted for rendering all charts for a feature. Args: example_proto: The example protos to mutate. feature_name: The string feature name to mutate. serving_bundles: ...
Returns JSON formatted for a single mutant chart. Args: mutant_features: An iterable of `MutantFeatureValue`s representing the X-axis. inference_result_proto: A ClassificationResponse or RegressionResponse returned by Servo, representing the Y-axis. It contains one 'classification' or 'regr...
def make_json_formatted_for_single_chart(mutant_features, inference_result_proto, index_to_mutate): """Returns JSON formatted for a single mutant chart. Args: mutant_features: An iterable of `MutantFeatureValue`s representing the...
Returns the non-sequence features from the provided example.
def get_example_features(example): """Returns the non-sequence features from the provided example.""" return (example.features.feature if isinstance(example, tf.train.Example) else example.context.feature)
Calls servo and wraps the inference results.
def run_inference_for_inference_results(examples, serving_bundle): """Calls servo and wraps the inference results.""" inference_result_proto = run_inference(examples, serving_bundle) inferences = wrap_inference_results(inference_result_proto) infer_json = json_format.MessageToJson( inferences, including_def...
Returns a list of JSON objects for each feature in the examples. This list is used to drive partial dependence plots in the plugin. Args: examples: Examples to examine to determine the eligible features. num_mutants: The number of mutations to make over each feature. Returns: A list wit...
def get_eligible_features(examples, num_mutants): """Returns a list of JSON objects for each feature in the examples. This list is used to drive partial dependence plots in the plugin. Args: examples: Examples to examine to determine the eligible features. num_mutants: The number of mutations to...
Returns a list of label strings loaded from the provided path.
def get_label_vocab(vocab_path): """Returns a list of label strings loaded from the provided path.""" if vocab_path: try: with tf.io.gfile.GFile(vocab_path, 'r') as f: return [line.rstrip('\n') for line in f] except tf.errors.NotFoundError as err: tf.logging.error('error reading vocab fi...
Returns an encoded sprite image for use in Facets Dive. Args: examples: A list of serialized example protos to get images for. Returns: An encoded PNG.
def create_sprite_image(examples): """Returns an encoded sprite image for use in Facets Dive. Args: examples: A list of serialized example protos to get images for. Returns: An encoded PNG. """ def generate_image_from_thubnails(thumbnails, thumbnail_dims): """Generates a sprite ...
Run inference on examples given model information Args: examples: A list of examples that matches the model spec. serving_bundle: A `ServingBundle` object that contains the information to make the inference request. Returns: A ClassificationResponse or RegressionResponse proto.
def run_inference(examples, serving_bundle): """Run inference on examples given model information Args: examples: A list of examples that matches the model spec. serving_bundle: A `ServingBundle` object that contains the information to make the inference request. Returns: A ClassificationRespo...
Return items associated with given key. Args: key: The key for which we are finding associated items. Raises: KeyError: If the key is not found in the reservoir. Returns: [list, of, items] associated with that key.
def Items(self, key): """Return items associated with given key. Args: key: The key for which we are finding associated items. Raises: KeyError: If the key is not found in the reservoir. Returns: [list, of, items] associated with that key. """ with self._mutex: if key ...
Add a new item to the Reservoir with the given tag. If the reservoir has not yet reached full size, the new item is guaranteed to be added. If the reservoir is full, then behavior depends on the always_keep_last boolean. If always_keep_last was set to true, the new item is guaranteed to be added t...
def AddItem(self, key, item, f=lambda x: x): """Add a new item to the Reservoir with the given tag. If the reservoir has not yet reached full size, the new item is guaranteed to be added. If the reservoir is full, then behavior depends on the always_keep_last boolean. If always_keep_last was set t...
Filter items within a Reservoir, using a filtering function. Args: filterFn: A function that returns True for the items to be kept. key: An optional bucket key to filter. If not specified, will filter all all buckets. Returns: The number of items removed.
def FilterItems(self, filterFn, key=None): """Filter items within a Reservoir, using a filtering function. Args: filterFn: A function that returns True for the items to be kept. key: An optional bucket key to filter. If not specified, will filter all all buckets. Returns: The num...
Add an item to the ReservoirBucket, replacing an old item if necessary. The new item is guaranteed to be added to the bucket, and to be the last element in the bucket. If the bucket has reached capacity, then an old item will be replaced. With probability (_max_size/_num_items_seen) a random item in th...
def AddItem(self, item, f=lambda x: x): """Add an item to the ReservoirBucket, replacing an old item if necessary. The new item is guaranteed to be added to the bucket, and to be the last element in the bucket. If the bucket has reached capacity, then an old item will be replaced. With probability (_ma...
Filter items in a ReservoirBucket, using a filtering function. Filtering items from the reservoir bucket must update the internal state variable self._num_items_seen, which is used for determining the rate of replacement in reservoir sampling. Ideally, self._num_items_seen would contain the exact numbe...
def FilterItems(self, filterFn): """Filter items in a ReservoirBucket, using a filtering function. Filtering items from the reservoir bucket must update the internal state variable self._num_items_seen, which is used for determining the rate of replacement in reservoir sampling. Ideally, self._num_item...
Returns the inferred dense dimensions of a list of lists.
def _GetDenseDimensions(list_of_lists): """Returns the inferred dense dimensions of a list of lists.""" if not isinstance(list_of_lists, (list, tuple)): return [] elif not list_of_lists: return [0] else: return [len(list_of_lists)] + _GetDenseDimensions(list_of_lists[0])
Create a TensorProto. Args: values: Values to put in the TensorProto. dtype: Optional tensor_pb2 DataType value. shape: List of integers representing the dimensions of tensor. verify_shape: Boolean that enables verification of a shape of values. Returns: A `TensorPr...
def make_tensor_proto(values, dtype=None, shape=None, verify_shape=False): """Create a TensorProto. Args: values: Values to put in the TensorProto. dtype: Optional tensor_pb2 DataType value. shape: List of integers representing the dimensions of tensor. verify_shape: B...
Create a numpy ndarray from a tensor. Create a numpy ndarray with the same shape and data as the tensor. Args: tensor: A TensorProto. Returns: A numpy array with the tensor contents. Raises: TypeError: if tensor has unsupported type.
def make_ndarray(tensor): """Create a numpy ndarray from a tensor. Create a numpy ndarray with the same shape and data as the tensor. Args: tensor: A TensorProto. Returns: A numpy array with the tensor contents. Raises: TypeError: if tensor has unsupported type. """ shape = [d.size fo...
Creates a summary that contains a layout. When users navigate to the custom scalars dashboard, they will see a layout based on the proto provided to this function. Args: scalars_layout: The scalars_layout_pb2.Layout proto that specifies the layout. collections: Optional list of graph collections...
def op(scalars_layout, collections=None): """Creates a summary that contains a layout. When users navigate to the custom scalars dashboard, they will see a layout based on the proto provided to this function. Args: scalars_layout: The scalars_layout_pb2.Layout proto that specifies the layout. ...
Returns true if `other` is convertible with this Dimension. Two known Dimensions are convertible if they have the same value. An unknown Dimension is convertible with all other Dimensions. Args: other: Another Dimension. Returns: True if this Dimension and `other` ...
def is_convertible_with(self, other): """Returns true if `other` is convertible with this Dimension. Two known Dimensions are convertible if they have the same value. An unknown Dimension is convertible with all other Dimensions. Args: other: Another Dimension. Retur...
Returns a Dimension that combines the information in `self` and `other`. Dimensions are combined as follows: ```python tf.Dimension(n) .merge_with(tf.Dimension(n)) == tf.Dimension(n) tf.Dimension(n) .merge_with(tf.Dimension(None)) == tf.Dimension(n) tf.Dimension(None).me...
def merge_with(self, other): """Returns a Dimension that combines the information in `self` and `other`. Dimensions are combined as follows: ```python tf.Dimension(n) .merge_with(tf.Dimension(n)) == tf.Dimension(n) tf.Dimension(n) .merge_with(tf.Dimension(None)) == tf.Di...
Returns the rank of this shape, or None if it is unspecified.
def ndims(self): """Returns the rank of this shape, or None if it is unspecified.""" if self._dims is None: return None else: if self._ndims is None: self._ndims = len(self._dims) return self._ndims
Returns the total number of elements, or none for incomplete shapes.
def num_elements(self): """Returns the total number of elements, or none for incomplete shapes.""" if self.is_fully_defined(): size = 1 for dim in self._dims: size *= dim.value return size else: return None
Returns a `TensorShape` combining the information in `self` and `other`. The dimensions in `self` and `other` are merged elementwise, according to the rules defined for `Dimension.merge_with()`. Args: other: Another `TensorShape`. Returns: A `TensorShape` containin...
def merge_with(self, other): """Returns a `TensorShape` combining the information in `self` and `other`. The dimensions in `self` and `other` are merged elementwise, according to the rules defined for `Dimension.merge_with()`. Args: other: Another `TensorShape`. Retu...
Returns the concatenation of the dimension in `self` and `other`. *N.B.* If either `self` or `other` is completely unknown, concatenation will discard information about the other shape. In future, we might support concatenation that preserves this information for use with slicing. ...
def concatenate(self, other): """Returns the concatenation of the dimension in `self` and `other`. *N.B.* If either `self` or `other` is completely unknown, concatenation will discard information about the other shape. In future, we might support concatenation that preserves this ...
Raises an exception if `self` and `other` do not have convertible ranks. Args: other: Another `TensorShape`. Raises: ValueError: If `self` and `other` do not represent shapes with the same rank.
def assert_same_rank(self, other): """Raises an exception if `self` and `other` do not have convertible ranks. Args: other: Another `TensorShape`. Raises: ValueError: If `self` and `other` do not represent shapes with the same rank. """ other = a...
Returns a shape based on `self` with the given rank. This method promotes a completely unknown shape to one with a known rank. Args: rank: An integer. Returns: A shape that is at least as specific as `self` with the given rank. Raises: ValueError...
def with_rank(self, rank): """Returns a shape based on `self` with the given rank. This method promotes a completely unknown shape to one with a known rank. Args: rank: An integer. Returns: A shape that is at least as specific as `self` with the given rank....
Returns a shape based on `self` with at least the given rank. Args: rank: An integer. Returns: A shape that is at least as specific as `self` with at least the given rank. Raises: ValueError: If `self` does not represent a shape with at least the given ...
def with_rank_at_least(self, rank): """Returns a shape based on `self` with at least the given rank. Args: rank: An integer. Returns: A shape that is at least as specific as `self` with at least the given rank. Raises: ValueError: If `self` does...
Returns a shape based on `self` with at most the given rank. Args: rank: An integer. Returns: A shape that is at least as specific as `self` with at most the given rank. Raises: ValueError: If `self` does not represent a shape with at most the given ...
def with_rank_at_most(self, rank): """Returns a shape based on `self` with at most the given rank. Args: rank: An integer. Returns: A shape that is at least as specific as `self` with at most the given rank. Raises: ValueError: If `self` does no...
Returns True iff `self` is convertible with `other`. Two possibly-partially-defined shapes are convertible if there exists a fully-defined shape that both shapes can represent. Thus, convertibility allows the shape inference code to reason about partially-defined shapes. For example: ...
def is_convertible_with(self, other): """Returns True iff `self` is convertible with `other`. Two possibly-partially-defined shapes are convertible if there exists a fully-defined shape that both shapes can represent. Thus, convertibility allows the shape inference code to reason about ...
Returns the most specific TensorShape convertible with `self` and `other`. * TensorShape([None, 1]) is the most specific TensorShape convertible with both TensorShape([2, 1]) and TensorShape([5, 1]). Note that TensorShape(None) is also convertible with above mentioned TensorShapes. ...
def most_specific_convertible_shape(self, other): """Returns the most specific TensorShape convertible with `self` and `other`. * TensorShape([None, 1]) is the most specific TensorShape convertible with both TensorShape([2, 1]) and TensorShape([5, 1]). Note that TensorShape(None) is...
Returns a list of integers or `None` for each dimension. Returns: A list of integers or `None` for each dimension. Raises: ValueError: If `self` is an unknown shape with an unknown rank.
def as_list(self): """Returns a list of integers or `None` for each dimension. Returns: A list of integers or `None` for each dimension. Raises: ValueError: If `self` is an unknown shape with an unknown rank. """ if self._dims is None: raise Valu...
Returns this shape as a `TensorShapeProto`.
def as_proto(self): """Returns this shape as a `TensorShapeProto`.""" if self._dims is None: return tensor_shape_pb2.TensorShapeProto(unknown_rank=True) else: return tensor_shape_pb2.TensorShapeProto( dim=[ tensor_shape_pb2.TensorShapeP...
Converts a PredictResponse to ClassificationResponse or RegressionResponse. Args: pred: PredictResponse to convert. serving_bundle: A `ServingBundle` object that contains the information about the serving request that the response was generated by. Returns: A ClassificationResponse or Regression...
def convert_predict_response(pred, serving_bundle): """Converts a PredictResponse to ClassificationResponse or RegressionResponse. Args: pred: PredictResponse to convert. serving_bundle: A `ServingBundle` object that contains the information about the serving request that the response was generated b...
Converts tensor values into ClassificationResponse or RegressionResponse. Args: values: For classification, a 2D list of numbers. The first dimension is for each example being predicted. The second dimension are the probabilities for each class ID in the prediction. For regression, a 1D list of numbe...
def convert_prediction_values(values, serving_bundle, model_spec=None): """Converts tensor values into ClassificationResponse or RegressionResponse. Args: values: For classification, a 2D list of numbers. The first dimension is for each example being predicted. The second dimension are the probabilities ...
Return the string message associated with TensorBoard purges.
def _GetPurgeMessage(most_recent_step, most_recent_wall_time, event_step, event_wall_time, num_expired): """Return the string message associated with TensorBoard purges.""" return ('Detected out of order event.step likely caused by a TensorFlow ' 'restart. Purging {} expired tensor ev...
Returns a dict mapping tags to content specific to that plugin. Args: plugin_name: The name of the plugin for which to fetch plugin-specific content. Raises: KeyError: if the plugin name is not found. Returns: A dict mapping tags to plugin-specific content (which are always stri...
def PluginTagToContent(self, plugin_name): """Returns a dict mapping tags to content specific to that plugin. Args: plugin_name: The name of the plugin for which to fetch plugin-specific content. Raises: KeyError: if the plugin name is not found. Returns: A dict mapping tags...
Called whenever an event is loaded.
def _ProcessEvent(self, event): """Called whenever an event is loaded.""" if self._first_event_timestamp is None: self._first_event_timestamp = event.wall_time if event.HasField('file_version'): new_file_version = _ParseFileVersion(event.file_version) if self.file_version and self.file_ve...
Return all tags found in the value stream. Returns: A `{tagType: ['list', 'of', 'tags']}` dictionary.
def Tags(self): """Return all tags found in the value stream. Returns: A `{tagType: ['list', 'of', 'tags']}` dictionary. """ return { TENSORS: list(self.tensors_by_tag.keys()), # Use a heuristic: if the metagraph is available, but # graph is not, then we assume the metagra...
Maybe purge orphaned data due to a TensorFlow crash. When TensorFlow crashes at step T+O and restarts at step T, any events written after step T are now "orphaned" and will be at best misleading if they are included in TensorBoard. This logic attempts to determine if there is orphaned data, and purge ...
def _MaybePurgeOrphanedData(self, event): """Maybe purge orphaned data due to a TensorFlow crash. When TensorFlow crashes at step T+O and restarts at step T, any events written after step T are now "orphaned" and will be at best misleading if they are included in TensorBoard. This logic attempts t...
Check for out-of-order event.step and discard expired events for tags. Check if the event is out of order relative to the global most recent step. If it is, purge outdated summaries for tags that the event contains. Args: event: The event to use as reference. If the event is out-of-order, all ...
def _CheckForOutOfOrderStepAndMaybePurge(self, event): """Check for out-of-order event.step and discard expired events for tags. Check if the event is out of order relative to the global most recent step. If it is, purge outdated summaries for tags that the event contains. Args: event: The event...
Purge all events that have occurred after the given event.step. If by_tags is True, purge all events that occurred after the given event.step, but only for the tags that the event has. Non-sequential event.steps suggest that a TensorFlow restart occurred, and we discard the out-of-order events to displ...
def _Purge(self, event, by_tags): """Purge all events that have occurred after the given event.step. If by_tags is True, purge all events that occurred after the given event.step, but only for the tags that the event has. Non-sequential event.steps suggest that a TensorFlow restart occurred, and we dis...
Walks the nested keras layer configuration in preorder. Args: keras_layer: Keras configuration from model.to_json. Yields: A tuple of (name_scope, layer_config). name_scope: a string representing a scope name, similar to that of tf.name_scope. layer_config: a dict representing a Keras layer configu...
def _walk_layers(keras_layer): """Walks the nested keras layer configuration in preorder. Args: keras_layer: Keras configuration from model.to_json. Yields: A tuple of (name_scope, layer_config). name_scope: a string representing a scope name, similar to that of tf.name_scope. layer_config: a dic...
Returns the plugin, if possible. Args: context: The TBContext flags. Returns: A BeholderPlugin instance or None if it couldn't be loaded.
def load(self, context): """Returns the plugin, if possible. Args: context: The TBContext flags. Returns: A BeholderPlugin instance or None if it couldn't be loaded. """ try: # pylint: disable=g-import-not-at-top,unused-import import tensorflow except ImportError: ...
Updates input_to_in_layer, model_name_to_output, and prev_node_name based on the model_layer. Args: name_scope: a string representing a scope name, similar to that of tf.name_scope. model_layer: a dict representing a Keras model configuration. input_to_in_layer: a dict mapping Keras.layers.Input to inb...
def _update_dicts(name_scope, model_layer, input_to_in_layer, model_name_to_output, prev_node_name): """Updates input_to_in_layer, model_name_to_output, and prev_node_name based on the model_layer. Args: name_scope: a string representing...
Returns a GraphDef representation of the Keras model in a dict form. Note that it only supports models that implemented to_json(). Args: keras_layer: A dict from Keras model.to_json(). Returns: A GraphDef representation of the layers in the model.
def keras_model_to_graph_def(keras_layer): """Returns a GraphDef representation of the Keras model in a dict form. Note that it only supports models that implemented to_json(). Args: keras_layer: A dict from Keras model.to_json(). Returns: A GraphDef representation of the layers in the model. """ ...
Returns the plugin, if possible. Args: context: The TBContext flags. Returns: A HParamsPlugin instance or None if it couldn't be loaded.
def load(self, context): """Returns the plugin, if possible. Args: context: The TBContext flags. Returns: A HParamsPlugin instance or None if it couldn't be loaded. """ try: # pylint: disable=g-import-not-at-top,unused-import import tensorflow except ImportError: ...
Returns True if the hparams plugin is active. The hparams plugin is active iff there is a tag with the hparams plugin name as its plugin name and the scalars plugin is registered and active.
def is_active(self): """Returns True if the hparams plugin is active. The hparams plugin is active iff there is a tag with the hparams plugin name as its plugin name and the scalars plugin is registered and active. """ if not self._context.multiplexer: return False scalars_plugin = se...
Convert Markdown to HTML that's safe to splice into the DOM. Arguments: markdown_string: A Unicode string or UTF-8--encoded bytestring containing Markdown source. Markdown tables are supported. Returns: A string containing safe HTML.
def markdown_to_safe_html(markdown_string): """Convert Markdown to HTML that's safe to splice into the DOM. Arguments: markdown_string: A Unicode string or UTF-8--encoded bytestring containing Markdown source. Markdown tables are supported. Returns: A string containing safe HTML. """ warning =...
Converts the given `type_value` to a `DType`. Args: type_value: A value that can be converted to a `tf.DType` object. This may currently be a `tf.DType` object, a [`DataType` enum](https://www.tensorflow.org/code/tensorflow/core/framework/types.proto), a string type name, or a `numpy....
def as_dtype(type_value): """Converts the given `type_value` to a `DType`. Args: type_value: A value that can be converted to a `tf.DType` object. This may currently be a `tf.DType` object, a [`DataType` enum](https://www.tensorflow.org/code/tensorflow/core/framework/types.proto), ...
Returns the dtype correspond to this dtype's real part.
def real_dtype(self): """Returns the dtype correspond to this dtype's real part.""" base = self.base_dtype if base == complex64: return float32 elif base == complex128: return float64 else: return self
Returns whether this is a (non-quantized) integer type.
def is_integer(self): """Returns whether this is a (non-quantized) integer type.""" return ( self.is_numpy_compatible and not self.is_quantized and np.issubdtype(self.as_numpy_dtype, np.integer) )
Returns whether this is a (non-quantized, real) floating point type.
def is_floating(self): """Returns whether this is a (non-quantized, real) floating point type.""" return ( self.is_numpy_compatible and np.issubdtype(self.as_numpy_dtype, np.floating) ) or self.base_dtype == bfloat16
Returns the minimum representable value in this data type. Raises: TypeError: if this is a non-numeric, unordered, or quantized type.
def min(self): """Returns the minimum representable value in this data type. Raises: TypeError: if this is a non-numeric, unordered, or quantized type. """ if self.is_quantized or self.base_dtype in ( bool, string, complex64, co...
Return intensity limits, i.e. (min, max) tuple, of the dtype. Args: clip_negative : bool, optional If True, clip the negative range (i.e. return 0 for min intensity) even if the image dtype allows negative values. Returns min, max : tuple Lower...
def limits(self, clip_negative=True): """Return intensity limits, i.e. (min, max) tuple, of the dtype. Args: clip_negative : bool, optional If True, clip the negative range (i.e. return 0 for min intensity) even if the image dtype allows negative values. Ret...
Returns True if the `other` DType will be converted to this DType. The conversion rules are as follows: ```python DType(T) .is_compatible_with(DType(T)) == True DType(T) .is_compatible_with(DType(T).as_ref) == True DType(T).as_ref.is_compatible_with(DType(T))...
def is_compatible_with(self, other): """Returns True if the `other` DType will be converted to this DType. The conversion rules are as follows: ```python DType(T) .is_compatible_with(DType(T)) == True DType(T) .is_compatible_with(DType(T).as_ref) == True ...
Start listening on the given gRPC port. This method of an instance of InteractiveDebuggerPlugin can be invoked at most once. This method is not thread safe. Args: grpc_port: port number to listen at. Raises: ValueError: If this instance is already listening at a gRPC port.
def listen(self, grpc_port): """Start listening on the given gRPC port. This method of an instance of InteractiveDebuggerPlugin can be invoked at most once. This method is not thread safe. Args: grpc_port: port number to listen at. Raises: ValueError: If this instance is already liste...
Obtains a mapping between routes and handlers. This function also starts a debugger data server on separate thread if the plugin has not started one yet. Returns: A mapping between routes and handlers (functions that respond to requests).
def get_plugin_apps(self): """Obtains a mapping between routes and handlers. This function also starts a debugger data server on separate thread if the plugin has not started one yet. Returns: A mapping between routes and handlers (functions that respond to requests). """ return { ...
The audio plugin is active iff any run has at least one relevant tag.
def is_active(self): """The audio plugin is active iff any run has at least one relevant tag.""" if not self._multiplexer: return False return bool(self._multiplexer.PluginRunToTagToContent(metadata.PLUGIN_NAME))
Return information about the tags in each run. Result is a dictionary of the form { "runName1": { "tagName1": { "displayName": "The first tag", "description": "<p>Long ago there was just one tag...</p>", "samples": 3 }, ...
def _index_impl(self): """Return information about the tags in each run. Result is a dictionary of the form { "runName1": { "tagName1": { "displayName": "The first tag", "description": "<p>Long ago there was just one tag...</p>", "samples...
Given a tag and list of runs, serve a list of metadata for audio. Note that the actual audio data are not sent; instead, we respond with URLs to the audio. The frontend should treat these URLs as opaque and should not try to parse information about them or generate them itself, as the format may change...
def _serve_audio_metadata(self, request): """Given a tag and list of runs, serve a list of metadata for audio. Note that the actual audio data are not sent; instead, we respond with URLs to the audio. The frontend should treat these URLs as opaque and should not try to parse information about them or ...
Builds a JSON-serializable object with information about audio. Args: tensor_events: A list of image event_accumulator.TensorEvent objects. run: The name of the run. tag: The name of the tag the audio entries all belong to. sample: The zero-indexed sample of the audio sample for which to ...
def _audio_response_for_run(self, tensor_events, run, tag, sample): """Builds a JSON-serializable object with information about audio. Args: tensor_events: A list of image event_accumulator.TensorEvent objects. run: The name of the run. tag: The name of the tag the audio entries all belong to...
Builds a URL for accessing the specified audio. This should be kept in sync with _serve_audio_metadata. Note that the URL is *not* guaranteed to always return the same audio, since audio may be unloaded from the reservoir as new audio entries come in. Args: run: The name of the run. tag: T...
def _query_for_individual_audio(self, run, tag, sample, index): """Builds a URL for accessing the specified audio. This should be kept in sync with _serve_audio_metadata. Note that the URL is *not* guaranteed to always return the same audio, since audio may be unloaded from the reservoir as new audio e...
Serve encoded audio data.
def _serve_individual_audio(self, request): """Serve encoded audio data.""" tag = request.args.get('tag') run = request.args.get('run') index = int(request.args.get('index')) sample = int(request.args.get('sample', 0)) events = self._filter_by_sample(self._multiplexer.Tensors(run, tag), sample) ...
Writes __main__'s docstring to stdout with some help text. Args: shorthelp: bool, if True, prints only flags from the main module, rather than all flags.
def _usage(shorthelp): """Writes __main__'s docstring to stdout with some help text. Args: shorthelp: bool, if True, prints only flags from the main module, rather than all flags. """ doc = _sys.modules['__main__'].__doc__ if not doc: doc = '\nUSAGE: %s [flags]\n' % _sys.arg...
Runs the program with an optional 'main' function and 'argv' list.
def run(main=None, argv=None): """Runs the program with an optional 'main' function and 'argv' list.""" # Define help flags. _define_help_flags() # Parse known flags. argv = flags.FLAGS(_sys.argv if argv is None else argv, known_only=True) main = main or _sys.modules['__main__'].main # C...
Create a legacy image summary op for use in a TensorFlow graph. Arguments: name: A unique name for the generated summary node. images: A `Tensor` representing pixel data with shape `[k, h, w, c]`, where `k` is the number of images, `h` and `w` are the height and width of the images, and `c` is th...
def op(name, images, max_outputs=3, display_name=None, description=None, collections=None): """Create a legacy image summary op for use in a TensorFlow graph. Arguments: name: A unique name for the generated summary node. images: A `Tensor` representing pixel data with sh...
Create a legacy image summary protobuf. This behaves as if you were to create an `op` with the same arguments (wrapped with constant tensors where appropriate) and then execute that summary op in a TensorFlow session. Arguments: name: A unique name for the generated summary, including any desired na...
def pb(name, images, max_outputs=3, display_name=None, description=None): """Create a legacy image summary protobuf. This behaves as if you were to create an `op` with the same arguments (wrapped with constant tensors where appropriate) and then execute that summary op in a TensorFlow session. Arguments: ...
Apply user per-summary size guidance overrides.
def tensor_size_guidance_from_flags(flags): """Apply user per-summary size guidance overrides.""" tensor_size_guidance = dict(DEFAULT_TENSOR_SIZE_GUIDANCE) if not flags or not flags.samples_per_plugin: return tensor_size_guidance for token in flags.samples_per_plugin.split(','): k, v = token.strip().s...
Construct a TensorBoardWSGIApp with standard plugins and multiplexer. Args: flags: An argparse.Namespace containing TensorBoard CLI flags. plugin_loaders: A list of TBLoader instances. assets_zip_provider: See TBContext documentation for more information. Returns: The new TensorBoard WSGI applicat...
def standard_tensorboard_wsgi(flags, plugin_loaders, assets_zip_provider): """Construct a TensorBoardWSGIApp with standard plugins and multiplexer. Args: flags: An argparse.Namespace containing TensorBoard CLI flags. plugin_loaders: A list of TBLoader instances. assets_zip_provider: See TBContext docum...
Constructs the TensorBoard application. Args: logdir: the logdir spec that describes where data will be loaded. may be a directory, or comma,separated list of directories, or colons can be used to provide named directories plugins: A list of base_plugin.TBPlugin subclass instances. multiplexe...
def TensorBoardWSGIApp(logdir, plugins, multiplexer, reload_interval, path_prefix='', reload_task='auto'): """Constructs the TensorBoard application. Args: logdir: the logdir spec that describes where data will be loaded. may be a directory, or comma,separated list of directories, ...
Parses `logdir` into a map from paths to run group names. The events files flag format is a comma-separated list of path specifications. A path specification either looks like 'group_name:/path/to/directory' or '/path/to/directory'; in the latter case, the group is unnamed. Group names cannot start with a forw...
def parse_event_files_spec(logdir): """Parses `logdir` into a map from paths to run group names. The events files flag format is a comma-separated list of path specifications. A path specification either looks like 'group_name:/path/to/directory' or '/path/to/directory'; in the latter case, the group is unname...
Starts automatically reloading the given multiplexer. If `load_interval` is positive, the thread will reload the multiplexer by calling `ReloadMultiplexer` every `load_interval` seconds, starting immediately. Otherwise, reloads the multiplexer once and never again. Args: multiplexer: The `EventMultiplexer...
def start_reloading_multiplexer(multiplexer, path_to_run, load_interval, reload_task): """Starts automatically reloading the given multiplexer. If `load_interval` is positive, the thread will reload the multiplexer by calling `ReloadMultiplexer` every `load_interval` seconds, star...
Returns TBContext fields relating to SQL database. Args: db_uri: A string URI expressing the DB file, e.g. "sqlite:~/tb.db". Returns: A tuple with the db_module and db_connection_provider TBContext fields. If db_uri was empty, then (None, None) is returned. Raises: ValueError: If db_uri scheme ...
def get_database_info(db_uri): """Returns TBContext fields relating to SQL database. Args: db_uri: A string URI expressing the DB file, e.g. "sqlite:~/tb.db". Returns: A tuple with the db_module and db_connection_provider TBContext fields. If db_uri was empty, then (None, None) is returned. Raise...
Returns function that returns SQLite Connection objects. Args: db_uri: A string URI expressing the DB file, e.g. "sqlite:~/tb.db". Returns: A function that returns a new PEP-249 DB Connection, which must be closed, each time it is called. Raises: ValueError: If db_uri is not a valid sqlite file...
def create_sqlite_connection_provider(db_uri): """Returns function that returns SQLite Connection objects. Args: db_uri: A string URI expressing the DB file, e.g. "sqlite:~/tb.db". Returns: A function that returns a new PEP-249 DB Connection, which must be closed, each time it is called. Raises: ...
Serves an object mapping plugin name to whether it is enabled. Args: request: The werkzeug.Request object. Returns: A werkzeug.Response object.
def _serve_plugins_listing(self, request): """Serves an object mapping plugin name to whether it is enabled. Args: request: The werkzeug.Request object. Returns: A werkzeug.Response object. """ response = {} for plugin in self._plugins: start = time.time() response[plug...
Parse a string as time indices. Args: s: A valid slicing string for time indices. E.g., '-1', '[:]', ':', '2:10' Returns: A slice object. Raises: ValueError: If `s` does not represent valid time indices.
def parse_time_indices(s): """Parse a string as time indices. Args: s: A valid slicing string for time indices. E.g., '-1', '[:]', ':', '2:10' Returns: A slice object. Raises: ValueError: If `s` does not represent valid time indices. """ if not s.startswith('['): s = '[' + s + ']' parse...
Process a buffer for human-readable display. This function performs the following operation on each of the buffers in `s`. 1. Truncate input buffer if the length of the buffer is greater than `limit`, to prevent large strings from overloading the frontend. 2. Apply `binascii.b2a_qp` on the truncated b...
def process_buffers_for_display(s, limit=40): """Process a buffer for human-readable display. This function performs the following operation on each of the buffers in `s`. 1. Truncate input buffer if the length of the buffer is greater than `limit`, to prevent large strings from overloading the frontend...
View a slice or the entirety of an ndarray. Args: array: The input array, as an numpy.ndarray. slicing: Optional slicing string, e.g., "[:, 1:3, :]". mapping: Optional mapping string. Supported mappings: `None` or case-insensitive `'None'`: Unmapped nested list. `'image/png'`: Image encoding ...
def array_view(array, slicing=None, mapping=None): """View a slice or the entirety of an ndarray. Args: array: The input array, as an numpy.ndarray. slicing: Optional slicing string, e.g., "[:, 1:3, :]". mapping: Optional mapping string. Supported mappings: `None` or case-insensitive `'None'`: Un...
Convert an array into base64-enoded PNG image. Args: array: A 2D np.ndarray or nested list of items. Returns: A base64-encoded string the image. The image is grayscale if the array is 2D. The image is RGB color if the image is 3D with lsat dimension equal to 3. Raises: ValueError: If the in...
def array_to_base64_png(array): """Convert an array into base64-enoded PNG image. Args: array: A 2D np.ndarray or nested list of items. Returns: A base64-encoded string the image. The image is grayscale if the array is 2D. The image is RGB color if the image is 3D with lsat dimension equal to 3....
Safely merge values from `src_proto_list` into `dst_proto_list`. Each element in `dst_proto_list` must be mapped by `get_key` to a key value that is unique within that list; likewise for `src_proto_list`. If an element of `src_proto_list` has the same key as an existing element in `dst_proto_list`, then the el...
def _safe_copy_proto_list_values(dst_proto_list, src_proto_list, get_key): """Safely merge values from `src_proto_list` into `dst_proto_list`. Each element in `dst_proto_list` must be mapped by `get_key` to a key value that is unique within that list; likewise for `src_proto_list`. If an element of `src_proto_...
Combines two GraphDefs by adding nodes from from_proto into to_proto. All GraphDefs are expected to be of TensorBoard's. It assumes node names are unique across GraphDefs if contents differ. The names can be the same if the NodeDef content are exactly the same. Args: to_proto: A destination TensorBoard Gr...
def combine_graph_defs(to_proto, from_proto): """Combines two GraphDefs by adding nodes from from_proto into to_proto. All GraphDefs are expected to be of TensorBoard's. It assumes node names are unique across GraphDefs if contents differ. The names can be the same if the NodeDef content are exactly the same. ...
Write a scalar summary. Arguments: name: A name for this summary. The summary tag used for TensorBoard will be this name prefixed by any active name scopes. data: A real numeric scalar value, convertible to a `float32` Tensor. step: Explicit `int64`-castable monotonic step value for this summary. I...
def scalar(name, data, step=None, description=None): """Write a scalar summary. Arguments: name: A name for this summary. The summary tag used for TensorBoard will be this name prefixed by any active name scopes. data: A real numeric scalar value, convertible to a `float32` Tensor. step: Explicit...
Create a scalar summary_pb2.Summary protobuf. Arguments: tag: String tag for the summary. data: A 0-dimensional `np.array` or a compatible python number type. description: Optional long-form description for this summary, as a `str`. Markdown is supported. Defaults to empty. Raises: ValueErro...
def scalar_pb(tag, data, description=None): """Create a scalar summary_pb2.Summary protobuf. Arguments: tag: String tag for the summary. data: A 0-dimensional `np.array` or a compatible python number type. description: Optional long-form description for this summary, as a `str`. Markdown is suppo...