Revision abfa31eabf2f62d0754e4178065cc8a68d78a25c authored by ST John on 20 June 2019, 12:25:31 UTC, committed by ST John on 20 June 2019, 12:25:31 UTC
1 parent a618e71
saver.py
# Copyright 2018 Artem Artemev @awav
#
# 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 .coders import CoderDispatcher
from .context import BaseContext
from .serializers import HDF5Serializer
class SaverContext(BaseContext):
def __init__(self, version=None, serializer=None, **kwargs):
super().__init__(**kwargs)
self.serializer = HDF5Serializer if serializer is None else serializer
class Saver:
def save(self, pathname_or_file_like, target, context=None):
context = Saver.__get_context(context)
encoded_target = CoderDispatcher(context).encode(target)
context.serializer(context).dump(pathname_or_file_like, encoded_target)
def load(self, pathname_or_file_like, context=None):
context = Saver.__get_context(context)
encoded_target = context.serializer(context).load(pathname_or_file_like)
return CoderDispatcher(context).decode(encoded_target)
@staticmethod
def __get_context(context):
if context is None:
context = SaverContext()
if not isinstance(context, SaverContext):
raise TypeError('The context must be instance of "SaverContext" class.')
return context
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