# Copyright 2016 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.
# ==============================================================================

"""Base Estimator class."""

from __future__ import absolute_import
from __future__ import division
from __future__ import print_function

import copy
import os
import tempfile

import numpy as np
import six

from tensorflow.core.framework import summary_pb2
from tensorflow.core.protobuf import config_pb2
from tensorflow.python.client import session as tf_session
from tensorflow.python.estimator import model_fn as model_fn_lib
from tensorflow.python.estimator import run_config
from tensorflow.python.estimator import util
from tensorflow.python.estimator.export.export import build_all_signature_defs
from tensorflow.python.estimator.export.export import get_temp_export_dir
from tensorflow.python.estimator.export.export import get_timestamped_export_dir
from tensorflow.python.framework import ops