f3e1c5c94d
Nondeterministic serialized protos hurt caching. PiperOrigin-RevId: 301737437 Change-Id: Ia354d81bac2f2140d0ca84feca85d70a03c25a67
77 lines
2.6 KiB
Python
77 lines
2.6 KiB
Python
# Copyright 2015 The TensorFlow Authors. All Rights Reserved.
|
|
#
|
|
# Licensed under the Apache License, Version 2.0 (the "License");
|
|
# you may not use this file except in compliance with the License.
|
|
# You may obtain a copy of the License at
|
|
#
|
|
# http://www.apache.org/licenses/LICENSE-2.0
|
|
#
|
|
# Unless required by applicable law or agreed to in writing, software
|
|
# distributed under the License is distributed on an "AS IS" BASIS,
|
|
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
|
|
# See the License for the specific language governing permissions and
|
|
# limitations under the License.
|
|
# ==============================================================================
|
|
|
|
"""Utility functions for reading/writing graphs."""
|
|
from __future__ import absolute_import
|
|
from __future__ import division
|
|
from __future__ import print_function
|
|
|
|
import os
|
|
import os.path
|
|
|
|
from google.protobuf import text_format
|
|
from tensorflow.python.framework import ops
|
|
from tensorflow.python.lib.io import file_io
|
|
from tensorflow.python.util.tf_export import tf_export
|
|
|
|
|
|
@tf_export('io.write_graph', v1=['io.write_graph', 'train.write_graph'])
|
|
def write_graph(graph_or_graph_def, logdir, name, as_text=True):
|
|
"""Writes a graph proto to a file.
|
|
|
|
The graph is written as a text proto unless `as_text` is `False`.
|
|
|
|
```python
|
|
v = tf.Variable(0, name='my_variable')
|
|
sess = tf.compat.v1.Session()
|
|
tf.io.write_graph(sess.graph_def, '/tmp/my-model', 'train.pbtxt')
|
|
```
|
|
|
|
or
|
|
|
|
```python
|
|
v = tf.Variable(0, name='my_variable')
|
|
sess = tf.compat.v1.Session()
|
|
tf.io.write_graph(sess.graph, '/tmp/my-model', 'train.pbtxt')
|
|
```
|
|
|
|
Args:
|
|
graph_or_graph_def: A `Graph` or a `GraphDef` protocol buffer.
|
|
logdir: Directory where to write the graph. This can refer to remote
|
|
filesystems, such as Google Cloud Storage (GCS).
|
|
name: Filename for the graph.
|
|
as_text: If `True`, writes the graph as an ASCII proto.
|
|
|
|
Returns:
|
|
The path of the output proto file.
|
|
"""
|
|
if isinstance(graph_or_graph_def, ops.Graph):
|
|
graph_def = graph_or_graph_def.as_graph_def()
|
|
else:
|
|
graph_def = graph_or_graph_def
|
|
|
|
# gcs does not have the concept of directory at the moment.
|
|
if not file_io.file_exists(logdir) and not logdir.startswith('gs:'):
|
|
file_io.recursive_create_dir(logdir)
|
|
path = os.path.join(logdir, name)
|
|
if as_text:
|
|
file_io.atomic_write_string_to_file(path,
|
|
text_format.MessageToString(
|
|
graph_def, float_format=''))
|
|
else:
|
|
file_io.atomic_write_string_to_file(
|
|
path, graph_def.SerializeToString(deterministic=True))
|
|
return path
|