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# Copyright 2017 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.
from __future__ import absolute_import
from __future__ import division
from __future__ import print_function
import pickle
import tensorflow as tf
from google.protobuf import message
def write_file(contents, path, mode='wb'):
with tf.gfile.Open(path, mode) as new_file:
new_file.write(contents)
def read_tensor_summary(path):
with tf.gfile.Open(path, 'rb') as summary_file:
summary_string = summary_file.read()
if not summary_string:
raise message.DecodeError('Empty summary.')
summary_proto = tf.Summary()
summary_proto.ParseFromString(summary_string)
tensor_proto = summary_proto.value[0].tensor
array = tf.make_ndarray(tensor_proto)
return array
def write_pickle(obj, path):
with tf.gfile.Open(path, 'wb') as new_file:
pickle.dump(obj, new_file)
def read_pickle(path, default=None):
try:
with tf.gfile.Open(path, 'rb') as pickle_file:
result = pickle.load(pickle_file)
except (IOError, EOFError, ValueError, tf.errors.NotFoundError) as e:
if not isinstance(e, tf.errors.NotFoundError):
tf.logging.error('Error reading pickle value: %s', e)
if default is not None:
result = default
else:
raise
return result
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