# Copyright 2015 Google Inc. 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 os

from six.moves import xrange  # pylint: disable=redefined-builtin
import tensorflow as tf

from tensorflow.core.framework import graph_pb2
from tensorflow.core.util.event_pb2 import SessionLog
from tensorflow.python.platform import gfile
from tensorflow.python.platform import googletest
from tensorflow.python.platform import tf_logging as logging
from tensorflow.python.summary import event_accumulator as ea


class _EventGenerator(object):

  def __init__(self):
    self.items = []

  def Load(self):
    while self.items:
      yield self.items.pop(0)

  def AddScalar(self, tag, wall_time=0, step=0, value=0):
    event = tf.Event(
        wall_time=wall_time,
        step=step,
        summary=tf.Summary(value=[tf.Summary.Value(tag=tag,