# Copyright 2021 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 helpers for IO."""

import pickle
from typing import Any, Sequence, Tuple


def WriteKeyValuePairs(filename: str,
                       key_value_pairs: Sequence[Tuple[str, Any]]) -> None:
  """Writes `key_value_pairs` to file."""
  if not filename.endswith('.pickle'):
    filename += '.pickle'
  with open(filename, 'wb') as f:
    pickle.dump(key_value_pairs, f, protocol=pickle.HIGHEST_PROTOCOL)
