INSTRUCTION stringlengths 1 46.3k | RESPONSE stringlengths 75 80.2k |
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Disposes of this events writer manager, making it no longer usable.
Call this method when this object is done being used in order to clean up
resources and handlers. This method should ever only be called once. | def dispose(self):
"""Disposes of this events writer manager, making it no longer usable.
Call this method when this object is done being used in order to clean up
resources and handlers. This method should ever only be called once.
"""
self._lock.acquire()
self._events_writer.Close()
self.... |
Creates a new events writer.
Args:
directory: The directory in which to write files containing events.
Returns:
A new events writer, which corresponds to a new events file. | def _create_events_writer(self, directory):
"""Creates a new events writer.
Args:
directory: The directory in which to write files containing events.
Returns:
A new events writer, which corresponds to a new events file.
"""
total_size = 0
events_files = self._fetch_events_files_on_... |
Obtains the names of debugger-related events files within the directory.
Returns:
The names of the debugger-related events files written to disk. The names
are sorted in increasing events file index. | def _fetch_events_files_on_disk(self):
"""Obtains the names of debugger-related events files within the directory.
Returns:
The names of the debugger-related events files written to disk. The names
are sorted in increasing events file index.
"""
all_files = tf.io.gfile.listdir(self._events_... |
Re-export all symbols from the original tf.summary.
This function finds the original tf.summary V2 API and re-exports all the
symbols from it within this module as well, so that when this module is
patched into the TF API namespace as the new tf.summary, the effect is an
overlay that just adds TensorBoard-prov... | def reexport_tf_summary():
"""Re-export all symbols from the original tf.summary.
This function finds the original tf.summary V2 API and re-exports all the
symbols from it within this module as well, so that when this module is
patched into the TF API namespace as the new tf.summary, the effect is an
overlay... |
Encode `image` to PNG on `thread_count` threads in parallel.
Returns:
A `float` representing number of seconds that it takes all threads
to finish encoding `image`. | def bench(image, thread_count):
"""Encode `image` to PNG on `thread_count` threads in parallel.
Returns:
A `float` representing number of seconds that it takes all threads
to finish encoding `image`.
"""
threads = [threading.Thread(target=lambda: encoder.encode_png(image))
for _ in xrange(... |
Generate a square RGB test image of the given side length. | def _image_of_size(image_size):
"""Generate a square RGB test image of the given side length."""
return np.random.uniform(0, 256, [image_size, image_size, 3]).astype(np.uint8) |
Format a line of a table.
Arguments:
headers: A list of strings that are used as the table headers.
fields: A list of the same length as `headers` where `fields[i]` is
the entry for `headers[i]` in this row. Elements can be of
arbitrary types. Pass `headers` to print the header row.
Returns:
... | def _format_line(headers, fields):
"""Format a line of a table.
Arguments:
headers: A list of strings that are used as the table headers.
fields: A list of the same length as `headers` where `fields[i]` is
the entry for `headers[i]` in this row. Elements can be of
arbitrary types. Pass `headers... |
Extract all nodes with gated-gRPC debug ops attached.
Uses cached values if available.
This method is thread-safe.
Args:
graph_def: A tf.GraphDef proto.
matching_debug_op: Return tensors and nodes with only matching the
specified debug op name (optional). If `None`, will extract only
... | def get_gated_grpc_tensors(self, matching_debug_op=None):
"""Extract all nodes with gated-gRPC debug ops attached.
Uses cached values if available.
This method is thread-safe.
Args:
graph_def: A tf.GraphDef proto.
matching_debug_op: Return tensors and nodes with only matching the
s... |
Expand the base name if there are node names nested under the node.
For example, if there are two nodes in the graph, "a" and "a/read", then
calling this function on "a" will give "a/(a)", a form that points at
a leaf node in the nested TensorBoard graph. Calling this function on
"a/read" will just ret... | def maybe_base_expanded_node_name(self, node_name):
"""Expand the base name if there are node names nested under the node.
For example, if there are two nodes in the graph, "a" and "a/read", then
calling this function on "a" will give "a/(a)", a form that points at
a leaf node in the nested TensorBoard... |
Load events from every detected run. | def Reload(self):
"""Load events from every detected run."""
logger.info('Beginning DbImportMultiplexer.Reload()')
# Defer event sink creation until needed; this ensures it will only exist in
# the thread that calls Reload(), since DB connections must be thread-local.
if not self._event_sink:
... |
Load runs from a directory; recursively walks subdirectories.
If path doesn't exist, no-op. This ensures that it is safe to call
`AddRunsFromDirectory` multiple times, even before the directory is made.
Args:
path: A string path to a directory to load runs from.
name: Optional, specifies a n... | def AddRunsFromDirectory(self, path, name=None):
"""Load runs from a directory; recursively walks subdirectories.
If path doesn't exist, no-op. This ensures that it is safe to call
`AddRunsFromDirectory` multiple times, even before the directory is made.
Args:
path: A string path to a director... |
Returns a batched event iterator over the run directory event files. | def load_batches(self):
"""Returns a batched event iterator over the run directory event files."""
event_iterator = self._directory_watcher.Load()
while True:
events = []
event_bytes = 0
start = time.time()
for event_proto in event_iterator:
events.append(event_proto)
... |
Processes a single tf.Event and records it in tagged_data. | def _process_event(self, event, tagged_data):
"""Processes a single tf.Event and records it in tagged_data."""
event_type = event.WhichOneof('what')
# Handle the most common case first.
if event_type == 'summary':
for value in event.summary.value:
value = data_compat.migrate_value(value)
... |
Create a TensorFlow op to group data into histogram buckets.
Arguments:
data: A `Tensor` of any shape. Must be castable to `float64`.
bucket_count: Optional positive `int` or scalar `int32` `Tensor`.
Returns:
A `Tensor` of shape `[k, 3]` and type `float64`. The `i`th row is
a triple `[left_edge, ri... | def _buckets(data, bucket_count=None):
"""Create a TensorFlow op to group data into histogram buckets.
Arguments:
data: A `Tensor` of any shape. Must be castable to `float64`.
bucket_count: Optional positive `int` or scalar `int32` `Tensor`.
Returns:
A `Tensor` of shape `[k, 3]` and type `float64`. T... |
Create a legacy histogram summary op.
Arguments:
name: A unique name for the generated summary node.
data: A `Tensor` of any shape. Must be castable to `float64`.
bucket_count: Optional positive `int`. The output will have this
many buckets, except in two edge cases. If there is no data, then
... | def op(name,
data,
bucket_count=None,
display_name=None,
description=None,
collections=None):
"""Create a legacy histogram summary op.
Arguments:
name: A unique name for the generated summary node.
data: A `Tensor` of any shape. Must be castable to `float64`.
bucket_c... |
Create a legacy histogram summary protobuf.
Arguments:
name: A unique name for the generated summary, including any desired
name scopes.
data: A `np.array` or array-like form of any shape. Must have type
castable to `float`.
bucket_count: Optional positive `int`. The output will have this
... | def pb(name, data, bucket_count=None, display_name=None, description=None):
"""Create a legacy histogram summary protobuf.
Arguments:
name: A unique name for the generated summary, including any desired
name scopes.
data: A `np.array` or array-like form of any shape. Must have type
castable to ... |
Add a tensor the watch store. | def add(self, value):
"""Add a tensor the watch store."""
if self._disposed:
raise ValueError(
'Cannot add value: this _WatchStore instance is already disposed')
self._data.append(value)
if hasattr(value, 'nbytes'):
self._in_mem_bytes += value.nbytes
self._ensure_bytes_limits... |
Get number of values in memory. | def num_in_memory(self):
"""Get number of values in memory."""
n = len(self._data) - 1
while n >= 0:
if isinstance(self._data[n], _TensorValueDiscarded):
break
n -= 1
return len(self._data) - 1 - n |
Get the number of values discarded due to exceeding both limits. | def num_discarded(self):
"""Get the number of values discarded due to exceeding both limits."""
if not self._data:
return 0
n = 0
while n < len(self._data):
if not isinstance(self._data[n], _TensorValueDiscarded):
break
n += 1
return n |
Query the values at given time indices.
Args:
time_indices: 0-based time indices to query, as a `list` of `int`.
Returns:
Values as a list of `numpy.ndarray` (for time indices in memory) or
`None` (for time indices discarded). | def query(self, time_indices):
"""Query the values at given time indices.
Args:
time_indices: 0-based time indices to query, as a `list` of `int`.
Returns:
Values as a list of `numpy.ndarray` (for time indices in memory) or
`None` (for time indices discarded).
"""
if self._dispos... |
Add a tensor value.
Args:
watch_key: A string representing the debugger tensor watch, e.g.,
'Dense_1/BiasAdd:0:DebugIdentity'.
tensor_value: The value of the tensor as a numpy.ndarray. | def add(self, watch_key, tensor_value):
"""Add a tensor value.
Args:
watch_key: A string representing the debugger tensor watch, e.g.,
'Dense_1/BiasAdd:0:DebugIdentity'.
tensor_value: The value of the tensor as a numpy.ndarray.
"""
if watch_key not in self._tensor_data:
self._... |
Query tensor store for a given watch_key.
Args:
watch_key: The watch key to query.
time_indices: A numpy-style slicing string for time indices. E.g.,
`-1`, `:-2`, `[::2]`. If not provided (`None`), will use -1.
slicing: A numpy-style slicing string for individual time steps.
mapping... | def query(self,
watch_key,
time_indices=None,
slicing=None,
mapping=None):
"""Query tensor store for a given watch_key.
Args:
watch_key: The watch key to query.
time_indices: A numpy-style slicing string for time indices. E.g.,
`-1`, `:-2`, `[... |
Start listening on the given gRPC port.
This method of an instance of DebuggerPlugin 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 DebuggerPlugin 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 g... |
Determines whether this plugin is active.
This plugin is active if any health pills information is present for any
run.
Returns:
A boolean. Whether this plugin is active. | def is_active(self):
"""Determines whether this plugin is active.
This plugin is active if any health pills information is present for any
run.
Returns:
A boolean. Whether this plugin is active.
"""
return bool(
self._grpc_port is not None and
self._event_multiplexer and
... |
A (wrapped) werkzeug handler for serving health pills.
Accepts POST requests and responds with health pills. The request accepts
several POST parameters:
node_names: (required string) A JSON-ified list of node names for which
the client would like to request health pills.
run: (optional ... | def _serve_health_pills_handler(self, request):
"""A (wrapped) werkzeug handler for serving health pills.
Accepts POST requests and responds with health pills. The request accepts
several POST parameters:
node_names: (required string) A JSON-ified list of node names for which
the client wo... |
Obtains the health pills for a run sampled by the event multiplexer.
This is much faster than the alternative path of reading health pills from
disk.
Args:
run: The run to fetch health pills for.
node_names: A list of node names for which to retrieve health pills.
Returns:
A diction... | def _obtain_sampled_health_pills(self, run, node_names):
"""Obtains the health pills for a run sampled by the event multiplexer.
This is much faster than the alternative path of reading health pills from
disk.
Args:
run: The run to fetch health pills for.
node_names: A list of node names f... |
Converts an event_accumulator.TensorEvent to a HealthPillEvent.
Args:
tensor_event: The event_accumulator.TensorEvent to convert.
node_name: The name of the node (without the output slot).
device: The device.
output_slot: The integer output slot this health pill is relevant to.
Returns... | def _tensor_proto_to_health_pill(self, tensor_event, node_name, device,
output_slot):
"""Converts an event_accumulator.TensorEvent to a HealthPillEvent.
Args:
tensor_event: The event_accumulator.TensorEvent to convert.
node_name: The name of the node (without the ... |
Reads disk to obtain the health pills for a run at a specific step.
This could be much slower than the alternative path of just returning all
health pills sampled by the event multiplexer. It could take tens of minutes
to complete this call for large graphs for big step values (in the
thousands).
... | def _obtain_health_pills_at_step(self, events_directory, node_names, step):
"""Reads disk to obtain the health pills for a run at a specific step.
This could be much slower than the alternative path of just returning all
health pills sampled by the event multiplexer. It could take tens of minutes
to co... |
Creates health pills out of data in an event.
Creates health pills out of the event and adds them to the mapping.
Args:
node_name_set: A set of node names that are relevant.
mapping: The mapping from node name to HealthPillEvents.
This object may be destructively modified.
target_s... | def _process_health_pill_event(self, node_name_set, mapping, target_step,
file_path):
"""Creates health pills out of data in an event.
Creates health pills out of the event and adds them to the mapping.
Args:
node_name_set: A set of node names that are relevant.
... |
Creates a HealthPillEvent containing various properties of a health pill.
Args:
wall_time: The wall time in seconds.
step: The session run step of the event.
device_name: The name of the node's device.
output_slot: The numeric output slot.
node_name: The name of the node (without the ... | def _process_health_pill_value(self,
wall_time,
step,
device_name,
output_slot,
node_name,
tensor_proto,
... |
A (wrapped) werkzeug handler for serving numerics alert report.
Accepts GET requests and responds with an array of JSON-ified
NumericsAlertReportRow.
Each JSON-ified NumericsAlertReportRow object has the following format:
{
'device_name': string,
'tensor_name': string,
'first_t... | def _serve_numerics_alert_report_handler(self, request):
"""A (wrapped) werkzeug handler for serving numerics alert report.
Accepts GET requests and responds with an array of JSON-ified
NumericsAlertReportRow.
Each JSON-ified NumericsAlertReportRow object has the following format:
{
'devic... |
Convert a `TensorBoardInfo` to string form to be stored on disk.
The format returned by this function is opaque and should only be
interpreted by `_info_from_string`.
Args:
info: A valid `TensorBoardInfo` object.
Raises:
ValueError: If any field on `info` is not of the correct type.
Returns:
A... | def _info_to_string(info):
"""Convert a `TensorBoardInfo` to string form to be stored on disk.
The format returned by this function is opaque and should only be
interpreted by `_info_from_string`.
Args:
info: A valid `TensorBoardInfo` object.
Raises:
ValueError: If any field on `info` is not of the... |
Parse a `TensorBoardInfo` object from its string representation.
Args:
info_string: A string representation of a `TensorBoardInfo`, as
produced by a previous call to `_info_to_string`.
Returns:
A `TensorBoardInfo` value.
Raises:
ValueError: If the provided string is not valid JSON, or if it d... | def _info_from_string(info_string):
"""Parse a `TensorBoardInfo` object from its string representation.
Args:
info_string: A string representation of a `TensorBoardInfo`, as
produced by a previous call to `_info_to_string`.
Returns:
A `TensorBoardInfo` value.
Raises:
ValueError: If the prov... |
Compute a `TensorBoardInfo.cache_key` field.
The format returned by this function is opaque. Clients may only
inspect it by comparing it for equality with other results from this
function.
Args:
working_directory: The directory from which TensorBoard was launched
and relative to which paths like `--... | def cache_key(working_directory, arguments, configure_kwargs):
"""Compute a `TensorBoardInfo.cache_key` field.
The format returned by this function is opaque. Clients may only
inspect it by comparing it for equality with other results from this
function.
Args:
working_directory: The directory from which... |
Get path to directory in which to store info files.
The directory returned by this function is "owned" by this module. If
the contents of the directory are modified other than via the public
functions of this module, subsequent behavior is undefined.
The directory will be created if it does not exist. | def _get_info_dir():
"""Get path to directory in which to store info files.
The directory returned by this function is "owned" by this module. If
the contents of the directory are modified other than via the public
functions of this module, subsequent behavior is undefined.
The directory will be created if ... |
Write TensorBoardInfo to the current process's info file.
This should be called by `main` once the server is ready. When the
server shuts down, `remove_info_file` should be called.
Args:
tensorboard_info: A valid `TensorBoardInfo` object.
Raises:
ValueError: If any field on `info` is not of the corre... | def write_info_file(tensorboard_info):
"""Write TensorBoardInfo to the current process's info file.
This should be called by `main` once the server is ready. When the
server shuts down, `remove_info_file` should be called.
Args:
tensorboard_info: A valid `TensorBoardInfo` object.
Raises:
ValueError... |
Remove the current process's TensorBoardInfo file, if it exists.
If the file does not exist, no action is taken and no error is raised. | def remove_info_file():
"""Remove the current process's TensorBoardInfo file, if it exists.
If the file does not exist, no action is taken and no error is raised.
"""
try:
os.unlink(_get_info_file_path())
except OSError as e:
if e.errno == errno.ENOENT:
# The user may have wiped their temporary... |
Return TensorBoardInfo values for running TensorBoard processes.
This function may not provide a perfect snapshot of the set of running
processes. Its result set may be incomplete if the user has cleaned
their /tmp/ directory while TensorBoard processes are running. It may
contain extraneous entries if TensorB... | def get_all():
"""Return TensorBoardInfo values for running TensorBoard processes.
This function may not provide a perfect snapshot of the set of running
processes. Its result set may be incomplete if the user has cleaned
their /tmp/ directory while TensorBoard processes are running. It may
contain extraneou... |
Start a new TensorBoard instance, or reuse a compatible one.
If the cache key determined by the provided arguments and the current
working directory (see `cache_key`) matches the cache key of a running
TensorBoard process (see `get_all`), that process will be reused.
Otherwise, a new TensorBoard process will ... | def start(arguments, timeout=datetime.timedelta(seconds=60)):
"""Start a new TensorBoard instance, or reuse a compatible one.
If the cache key determined by the provided arguments and the current
working directory (see `cache_key`) matches the cache key of a running
TensorBoard process (see `get_all`), that pr... |
Find a running TensorBoard instance compatible with the cache key.
Returns:
A `TensorBoardInfo` object, or `None` if none matches the cache key. | def _find_matching_instance(cache_key):
"""Find a running TensorBoard instance compatible with the cache key.
Returns:
A `TensorBoardInfo` object, or `None` if none matches the cache key.
"""
infos = get_all()
candidates = [info for info in infos if info.cache_key == cache_key]
for candidate in sorted(... |
Read the given file, if it exists.
Args:
filename: A path to a file.
Returns:
A string containing the file contents, or `None` if the file does
not exist. | def _maybe_read_file(filename):
"""Read the given file, if it exists.
Args:
filename: A path to a file.
Returns:
A string containing the file contents, or `None` if the file does
not exist.
"""
try:
with open(filename) as infile:
return infile.read()
except IOError as e:
if e.err... |
Processes raw trace data and returns the UI data. | def process_raw_trace(raw_trace):
"""Processes raw trace data and returns the UI data."""
trace = trace_events_pb2.Trace()
trace.ParseFromString(raw_trace)
return ''.join(trace_events_json.TraceEventsJsonStream(trace)) |
Whether this plugin is active and has any profile data to show.
Detecting profile data is expensive, so this process runs asynchronously
and the value reported by this method is the cached value and may be stale.
Returns:
Whether any run has profile data. | def is_active(self):
"""Whether this plugin is active and has any profile data to show.
Detecting profile data is expensive, so this process runs asynchronously
and the value reported by this method is the cached value and may be stale.
Returns:
Whether any run has profile data.
"""
# If... |
Helper that maps a frontend run name to a profile "run" directory.
The frontend run name consists of the TensorBoard run name (aka the relative
path from the logdir root to the directory containing the data) path-joined
to the Profile plugin's "run" concept (which is a subdirectory of the
plugins/profi... | def _run_dir(self, run):
"""Helper that maps a frontend run name to a profile "run" directory.
The frontend run name consists of the TensorBoard run name (aka the relative
path from the logdir root to the directory containing the data) path-joined
to the Profile plugin's "run" concept (which is a subdi... |
Generator for pairs of "run name" and a list of tools for that run.
The "run name" here is a "frontend run name" - see _run_dir() for the
definition of a "frontend run name" and how it maps to a directory of
profile data for a specific profile "run". The profile plugin concept of
"run" is different fro... | def generate_run_to_tools(self):
"""Generator for pairs of "run name" and a list of tools for that run.
The "run name" here is a "frontend run name" - see _run_dir() for the
definition of a "frontend run name" and how it maps to a directory of
profile data for a specific profile "run". The profile plug... |
Returns available hosts for the run and tool in the log directory.
In the plugin log directory, each directory contains profile data for a
single run (identified by the directory name), and files in the run
directory contains data for different tools and hosts. The file that
contains profile for a spec... | def host_impl(self, run, tool):
"""Returns available hosts for the run and tool in the log directory.
In the plugin log directory, each directory contains profile data for a
single run (identified by the directory name), and files in the run
directory contains data for different tools and hosts. The fi... |
Retrieves and processes the tool data for a run and a host.
Args:
request: XMLHttpRequest
Returns:
A string that can be served to the frontend tool or None if tool,
run or host is invalid. | def data_impl(self, request):
"""Retrieves and processes the tool data for a run and a host.
Args:
request: XMLHttpRequest
Returns:
A string that can be served to the frontend tool or None if tool,
run or host is invalid.
"""
run = request.args.get('run')
tool = request.arg... |
Run a temperature simulation.
This will simulate an object at temperature `initial_temperature`
sitting at rest in a large room at temperature `ambient_temperature`.
The object has some intrinsic `heat_coefficient`, which indicates
how much thermal conductivity it has: for instance, metals have high
thermal ... | def run(logdir, run_name,
initial_temperature, ambient_temperature, heat_coefficient):
"""Run a temperature simulation.
This will simulate an object at temperature `initial_temperature`
sitting at rest in a large room at temperature `ambient_temperature`.
The object has some intrinsic `heat_coefficient... |
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
"""
for initial_temperature in [270.0, 310.0, 350.0]:
for final_temperature in [... |
Makes Python object appropriate for JSON serialization.
- Replaces instances of Infinity/-Infinity/NaN with strings.
- Turns byte strings into unicode strings.
- Turns sets into sorted lists.
- Turns tuples into lists.
Args:
obj: Python data structure.
encoding: Charset used to decode byte strings.
... | def Cleanse(obj, encoding='utf-8'):
"""Makes Python object appropriate for JSON serialization.
- Replaces instances of Infinity/-Infinity/NaN with strings.
- Turns byte strings into unicode strings.
- Turns sets into sorted lists.
- Turns tuples into lists.
Args:
obj: Python data structure.
encodi... |
Create a legacy text summary op.
Text data summarized via this plugin will be visible in the Text Dashboard
in TensorBoard. The standard TensorBoard Text Dashboard will render markdown
in the strings, and will automatically organize 1D and 2D tensors into tables.
If a tensor with more than 2 dimensions is prov... | def op(name,
data,
display_name=None,
description=None,
collections=None):
"""Create a legacy text summary op.
Text data summarized via this plugin will be visible in the Text Dashboard
in TensorBoard. The standard TensorBoard Text Dashboard will render markdown
in the strings, and ... |
Create a legacy text summary protobuf.
Arguments:
name: A name for the generated node. Will also serve as a series name in
TensorBoard.
data: A Python bytestring (of type bytes), or Unicode string. Or a numpy
data array of those types.
display_name: Optional name for this summary in TensorBoa... | def pb(name, data, display_name=None, description=None):
"""Create a legacy text summary protobuf.
Arguments:
name: A name for the generated node. Will also serve as a series name in
TensorBoard.
data: A Python bytestring (of type bytes), or Unicode string. Or a numpy
data array of those types.... |
Return the string message associated with TensorBoard purges. | def _GetPurgeMessage(most_recent_step, most_recent_wall_time, event_step,
event_wall_time, num_expired_scalars, num_expired_histos,
num_expired_comp_histos, num_expired_images,
num_expired_audio):
"""Return the string message associated with TensorBoard p... |
Create an event generator for file or directory at given path string. | def _GeneratorFromPath(path):
"""Create an event generator for file or directory at given path string."""
if not path:
raise ValueError('path must be a valid string')
if io_wrapper.IsTensorFlowEventsFile(path):
return event_file_loader.EventFileLoader(path)
else:
return directory_watcher.DirectoryWa... |
Convert the string file_version in event.proto into a float.
Args:
file_version: String file_version from event.proto
Returns:
Version number as a float. | def _ParseFileVersion(file_version):
"""Convert the string file_version in event.proto into a float.
Args:
file_version: String file_version from event.proto
Returns:
Version number as a float.
"""
tokens = file_version.split('brain.Event:')
try:
return float(tokens[-1])
except ValueError:
... |
Loads all events added since the last call to `Reload`.
If `Reload` was never called, loads all events in the file.
Returns:
The `EventAccumulator`. | def Reload(self):
"""Loads all events added since the last call to `Reload`.
If `Reload` was never called, loads all events in the file.
Returns:
The `EventAccumulator`.
"""
with self._generator_mutex:
for event in self._generator.Load():
self._ProcessEvent(event)
return se... |
Return the contents of a given plugin asset.
Args:
plugin_name: The string name of a plugin.
asset_name: The string name of an asset.
Returns:
The string contents of the plugin asset.
Raises:
KeyError: If the asset is not available. | def RetrievePluginAsset(self, plugin_name, asset_name):
"""Return the contents of a given plugin asset.
Args:
plugin_name: The string name of a plugin.
asset_name: The string name of an asset.
Returns:
The string contents of the plugin asset.
Raises:
KeyError: If the asset is ... |
Returns the timestamp in seconds of the first event.
If the first event has been loaded (either by this method or by `Reload`,
this returns immediately. Otherwise, it will load in the first event. Note
that this means that calling `Reload` will cause this to block until
`Reload` has finished.
Retu... | def FirstEventTimestamp(self):
"""Returns the timestamp in seconds of the first event.
If the first event has been loaded (either by this method or by `Reload`,
this returns immediately. Otherwise, it will load in the first event. Note
that this means that calling `Reload` will cause this to block unti... |
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... |
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 {
IMAGES: self.images.Keys(),
AUDIO: self.audios.Keys(),
HISTOGRAMS: self.histograms.Keys(),
SCALARS: self.scalars.Keys(),
CO... |
Return the graph definition, if there is one.
If the graph is stored directly, return that. If no graph is stored
directly but a metagraph is stored containing a graph, return that.
Raises:
ValueError: If there is no graph for this run.
Returns:
The `graph_def` proto. | def Graph(self):
"""Return the graph definition, if there is one.
If the graph is stored directly, return that. If no graph is stored
directly but a metagraph is stored containing a graph, return that.
Raises:
ValueError: If there is no graph for this run.
Returns:
The `graph_def` pr... |
Return the metagraph definition, if there is one.
Raises:
ValueError: If there is no metagraph for this run.
Returns:
The `meta_graph_def` proto. | def MetaGraph(self):
"""Return the metagraph definition, if there is one.
Raises:
ValueError: If there is no metagraph for this run.
Returns:
The `meta_graph_def` proto.
"""
if self._meta_graph is None:
raise ValueError('There is no metagraph in this EventAccumulator')
meta_g... |
Given a tag, return the associated session.run() metadata.
Args:
tag: A string tag associated with the event.
Raises:
ValueError: If the tag is not found.
Returns:
The metadata in form of `RunMetadata` proto. | def RunMetadata(self, tag):
"""Given a tag, return the associated session.run() metadata.
Args:
tag: A string tag associated with the event.
Raises:
ValueError: If the tag is not found.
Returns:
The metadata in form of `RunMetadata` proto.
"""
if tag not in self._tagged_meta... |
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 and discard expired events using SessionLog.START.
Check for a SessionLog.START event and purge all previously seen events
with larger steps, because they are out of date. Because of supervisor
threading, it is possible that this logic will cause the first few event
messages to be discarded since... | def _CheckForRestartAndMaybePurge(self, event):
"""Check and discard expired events using SessionLog.START.
Check for a SessionLog.START event and purge all previously seen events
with larger steps, because they are out of date. Because of supervisor
threading, it is possible that this logic will cause... |
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... |
Processes a proto histogram by adding it to accumulated state. | def _ProcessHistogram(self, tag, wall_time, step, histo):
"""Processes a proto histogram by adding it to accumulated state."""
histo = self._ConvertHistogramProtoToTuple(histo)
histo_ev = HistogramEvent(wall_time, step, histo)
self.histograms.AddItem(tag, histo_ev)
self.compressed_histograms.AddItem... |
Callback for _ProcessHistogram. | def _CompressHistogram(self, histo_ev):
"""Callback for _ProcessHistogram."""
return CompressedHistogramEvent(
histo_ev.wall_time,
histo_ev.step,
compressor.compress_histogram_proto(
histo_ev.histogram_value, self._compression_bps)) |
Processes an image by adding it to accumulated state. | def _ProcessImage(self, tag, wall_time, step, image):
"""Processes an image by adding it to accumulated state."""
event = ImageEvent(wall_time=wall_time,
step=step,
encoded_image_string=image.encoded_image_string,
width=image.width,
... |
Processes a audio by adding it to accumulated state. | def _ProcessAudio(self, tag, wall_time, step, audio):
"""Processes a audio by adding it to accumulated state."""
event = AudioEvent(wall_time=wall_time,
step=step,
encoded_audio_string=audio.encoded_audio_string,
content_type=audio.content_typ... |
Processes a simple value by adding it to accumulated state. | def _ProcessScalar(self, tag, wall_time, step, scalar):
"""Processes a simple value by adding it to accumulated state."""
sv = ScalarEvent(wall_time=wall_time, step=step, value=scalar)
self.scalars.AddItem(tag, sv) |
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... |
Loads all new events from disk as raw serialized proto bytestrings.
Calling Load multiple times in a row will not 'drop' events as long as the
return value is not iterated over.
Yields:
All event proto bytestrings in the file that have not been yielded yet. | def Load(self):
"""Loads all new events from disk as raw serialized proto bytestrings.
Calling Load multiple times in a row will not 'drop' events as long as the
return value is not iterated over.
Yields:
All event proto bytestrings in the file that have not been yielded yet.
"""
logger.... |
Loads all new events from disk.
Calling Load multiple times in a row will not 'drop' events as long as the
return value is not iterated over.
Yields:
All events in the file that have not been yielded yet. | def Load(self):
"""Loads all new events from disk.
Calling Load multiple times in a row will not 'drop' events as long as the
return value is not iterated over.
Yields:
All events in the file that have not been yielded yet.
"""
for record in super(EventFileLoader, self).Load():
yie... |
input: unscaled sections.
returns: sections scaled to [0, 255] | def scale_sections(sections, scaling_scope):
'''
input: unscaled sections.
returns: sections scaled to [0, 255]
'''
new_sections = []
if scaling_scope == 'layer':
for section in sections:
new_sections.append(scale_image_for_display(section))
elif scaling_scope == 'network':
global_min, glo... |
Records the summary values based on an updated message from the debugger.
Logs an error message if writing the event to disk fails.
Args:
event: The Event proto to be processed. | def on_value_event(self, event):
"""Records the summary values based on an updated message from the debugger.
Logs an error message if writing the event to disk fails.
Args:
event: The Event proto to be processed.
"""
if not event.summary.value:
logger.warn("The summary of the event la... |
Parses the session_run_index value from the event proto.
Args:
event: The event with metadata that contains the session_run_index.
Returns:
The int session_run_index value. Or
constants.SENTINEL_FOR_UNDETERMINED_STEP if it could not be determined. | def _parse_session_run_index(self, event):
"""Parses the session_run_index value from the event proto.
Args:
event: The event with metadata that contains the session_run_index.
Returns:
The int session_run_index value. Or
constants.SENTINEL_FOR_UNDETERMINED_STEP if it could not be determ... |
Creates fixed size histogram by adding compression to accumulated state.
This routine transforms a histogram at a particular step by interpolating its
variable number of buckets to represent their cumulative weight at a constant
number of compression points. This significantly reduces the size of the
histogram... | def compress_histogram_proto(histo, bps=NORMAL_HISTOGRAM_BPS):
"""Creates fixed size histogram by adding compression to accumulated state.
This routine transforms a histogram at a particular step by interpolating its
variable number of buckets to represent their cumulative weight at a constant
number of compre... |
Creates fixed size histogram by adding compression to accumulated state.
This routine transforms a histogram at a particular step by linearly
interpolating its variable number of buckets to represent their cumulative
weight at a constant number of compression points. This significantly reduces
the size of the ... | def compress_histogram(buckets, bps=NORMAL_HISTOGRAM_BPS):
"""Creates fixed size histogram by adding compression to accumulated state.
This routine transforms a histogram at a particular step by linearly
interpolating its variable number of buckets to represent their cumulative
weight at a constant number of c... |
Affinely map from [x0, x1] onto [y0, y1]. | def _lerp(x, x0, x1, y0, y1):
"""Affinely map from [x0, x1] onto [y0, y1]."""
return y0 + (x - x0) * float(y1 - y0) / (x1 - x0) |
The images plugin is active iff any run has at least one relevant tag. | def is_active(self):
"""The images plugin is active iff any run has at least one relevant tag."""
if self._db_connection_provider:
# The plugin is active if one relevant tag can be found in the database.
db = self._db_connection_provider()
cursor = db.execute(
'''
SELECT 1
... |
Given a tag and list of runs, serve a list of metadata for images.
Note that the images themselves are not sent; instead, we respond with URLs
to the images. 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 chan... | def _serve_image_metadata(self, request):
"""Given a tag and list of runs, serve a list of metadata for images.
Note that the images themselves are not sent; instead, we respond with URLs
to the images. 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 images.
Args:
run: The name of the run.
tag: The name of the tag the images all belong to.
sample: The zero-indexed sample of the image for which to retrieve
information. For instance, setting `sample` to `2` will fetch
info... | def _image_response_for_run(self, run, tag, sample):
"""Builds a JSON-serializable object with information about images.
Args:
run: The name of the run.
tag: The name of the tag the images all belong to.
sample: The zero-indexed sample of the image for which to retrieve
information. F... |
Returns the actual image bytes for a given image.
Args:
run: The name of the run the image belongs to.
tag: The name of the tag the images belongs to.
index: The index of the image in the current reservoir.
sample: The zero-indexed sample of the image to retrieve (for example,
setti... | def _get_individual_image(self, run, tag, index, sample):
"""
Returns the actual image bytes for a given image.
Args:
run: The name of the run the image belongs to.
tag: The name of the tag the images belongs to.
index: The index of the image in the current reservoir.
sample: The ze... |
Serves an individual image. | def _serve_individual_image(self, request):
"""Serves an individual image."""
run = request.args.get('run')
tag = request.args.get('tag')
index = int(request.args.get('index'))
sample = int(request.args.get('sample', 0))
data = self._get_individual_image(run, tag, index, sample)
image_type =... |
Generate a PR curve with precision and recall evenly weighted.
Arguments:
logdir: The directory into which to store all the runs' data.
steps: The number of steps to run for.
run_name: The name of the run.
thresholds: The number of thresholds to use for PR curves.
mask_every_other_prediction: Whe... | def start_runs(
logdir,
steps,
run_name,
thresholds,
mask_every_other_prediction=False):
"""Generate a PR curve with precision and recall evenly weighted.
Arguments:
logdir: The directory into which to store all the runs' data.
steps: The number of steps to run for.
run_name: The na... |
Generate PR curve summaries.
Arguments:
logdir: The directory into which to store all the runs' data.
steps: The number of steps to run for.
verbose: Whether to print the names of runs into stdout during execution.
thresholds: The number of thresholds to use for PR curves. | def run_all(logdir, steps, thresholds, verbose=False):
"""Generate PR curve summaries.
Arguments:
logdir: The directory into which to store all the runs' data.
steps: The number of steps to run for.
verbose: Whether to print the names of runs into stdout during execution.
thresholds: The number of ... |
Write an image 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 `Tensor` representing pixel data with shape `[k, h, w, c]`,
where `k` is the number of images, `h` and `w` are the height and
... | def image(name,
data,
step=None,
max_outputs=3,
description=None):
"""Write an image 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 `Tensor` representing pixe... |
Sets the examples to be displayed in WIT.
Args:
examples: List of example protos.
Returns:
self, in order to enabled method chaining. | def set_examples(self, examples):
"""Sets the examples to be displayed in WIT.
Args:
examples: List of example protos.
Returns:
self, in order to enabled method chaining.
"""
self.store('examples', examples)
if len(examples) > 0:
self.store('are_sequence_examples',
... |
Sets the model for inference as a TF Estimator.
Instead of using TF Serving to host a model for WIT to query, WIT can
directly use a TF Estimator object as the model to query. In order to
accomplish this, a feature_spec must also be provided to parse the
example protos for input into the estimator.
... | def set_estimator_and_feature_spec(self, estimator, feature_spec):
"""Sets the model for inference as a TF Estimator.
Instead of using TF Serving to host a model for WIT to query, WIT can
directly use a TF Estimator object as the model to query. In order to
accomplish this, a feature_spec must also be ... |
Sets a second model for inference as a TF Estimator.
If you wish to compare the results of two models in WIT, use this method
to setup the details of the second model.
Instead of using TF Serving to host a model for WIT to query, WIT can
directly use a TF Estimator object as the model to query. In ord... | def set_compare_estimator_and_feature_spec(self, estimator, feature_spec):
"""Sets a second model for inference as a TF Estimator.
If you wish to compare the results of two models in WIT, use this method
to setup the details of the second model.
Instead of using TF Serving to host a model for WIT to q... |
Sets a custom function for inference.
Instead of using TF Serving to host a model for WIT to query, WIT can
directly use a custom function as the model to query. In this case, the
provided function should accept example protos and return:
- For classification: A 2D list of numbers. The first dimensio... | def set_custom_predict_fn(self, predict_fn):
"""Sets a custom function for inference.
Instead of using TF Serving to host a model for WIT to query, WIT can
directly use a custom function as the model to query. In this case, the
provided function should accept example protos and return:
- For clas... |
Sets a second custom function for inference.
If you wish to compare the results of two models in WIT, use this method
to setup the details of the second model.
Instead of using TF Serving to host a model for WIT to query, WIT can
directly use a custom function as the model to query. In this case, the
... | def set_compare_custom_predict_fn(self, predict_fn):
"""Sets a second custom function for inference.
If you wish to compare the results of two models in WIT, use this method
to setup the details of the second model.
Instead of using TF Serving to host a model for WIT to query, WIT can
directly use... |
Reshape a rank 4 array to be rank 2, where each column of block_width is
a filter, and each row of block height is an input channel. For example:
[[[[ 11, 21, 31, 41],
[ 51, 61, 71, 81],
[ 91, 101, 111, 121]],
[[ 12, 22, 32, 42],
[ 52, 62, 72, 82],
[ 92, 102, 112, ... | def _reshape_conv_array(self, array, section_height, image_width):
'''Reshape a rank 4 array to be rank 2, where each column of block_width is
a filter, and each row of block height is an input channel. For example:
[[[[ 11, 21, 31, 41],
[ 51, 61, 71, 81],
[ 91, 101, 111, 121]],
[... |
Reshapes arrays of ranks not in {1, 2, 4} | def _reshape_irregular_array(self, array, section_height, image_width):
'''Reshapes arrays of ranks not in {1, 2, 4}
'''
section_area = section_height * image_width
flattened_array = np.ravel(array)
if not self.config['show_all']:
flattened_array = flattened_array[:int(section_area/MIN_SQUARE... |
input: unprocessed numpy arrays.
returns: columns of the size that they will appear in the image, not scaled
for display. That needs to wait until after variance is computed. | def _arrays_to_sections(self, arrays):
'''
input: unprocessed numpy arrays.
returns: columns of the size that they will appear in the image, not scaled
for display. That needs to wait until after variance is computed.
'''
sections = []
sections_to_resize_later = {}
show_all = se... |
Computes the variance of corresponding sections over time.
Returns:
a list of np arrays. | def _sections_to_variance_sections(self, sections_over_time):
'''Computes the variance of corresponding sections over time.
Returns:
a list of np arrays.
'''
variance_sections = []
for i in range(len(sections_over_time[0])):
time_sections = [sections[i] for sections in sections_over_ti... |
Clears the deque if certain parts of the config have changed. | def _maybe_clear_deque(self):
'''Clears the deque if certain parts of the config have changed.'''
for config_item in ['values', 'mode', 'show_all']:
if self.config[config_item] != self.old_config[config_item]:
self.sections_over_time.clear()
break
self.old_config = self.config
w... |
Decorator to define a function that lazily loads the module 'name'.
This can be used to defer importing troublesome dependencies - e.g. ones that
are large and infrequently used, or that cause a dependency cycle -
until they are actually used.
Args:
name: the fully-qualified name of the module; typically ... | def lazy_load(name):
"""Decorator to define a function that lazily loads the module 'name'.
This can be used to defer importing troublesome dependencies - e.g. ones that
are large and infrequently used, or that cause a dependency cycle -
until they are actually used.
Args:
name: the fully-qualified name... |
Memoizing decorator for f, which must have exactly 1 hashable argument. | def _memoize(f):
"""Memoizing decorator for f, which must have exactly 1 hashable argument."""
nothing = object() # Unique "no value" sentinel object.
cache = {}
# Use a reentrant lock so that if f references the resulting wrapper we die
# with recursion depth exceeded instead of deadlocking.
lock = thread... |
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