github_repo_scraped
/
repos
/googleapis-proto-plus-python-a235f5b
/proto
/marshal
/rules
/wrappers.py
# Copyright 2018 Google LLC | |
# | |
# 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 | |
# | |
# https://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 google.protobuf import wrappers_pb2 | |
class WrapperRule: | |
"""A marshal for converting the protobuf wrapper classes to Python. | |
This class converts between ``google.protobuf.BoolValue``, | |
``google.protobuf.StringValue``, and their siblings to the appropriate | |
Python equivalents. | |
These are effectively similar to the protobuf primitives except | |
that None becomes a possible value. | |
""" | |
def to_python(self, value, *, absent: bool = None): | |
if isinstance(value, self._proto_type): | |
if absent: | |
return None | |
return value.value | |
return value | |
def to_proto(self, value): | |
if isinstance(value, self._python_type): | |
return self._proto_type(value=value) | |
return value | |
class DoubleValueRule(WrapperRule): | |
_proto_type = wrappers_pb2.DoubleValue | |
_python_type = float | |
class FloatValueRule(WrapperRule): | |
_proto_type = wrappers_pb2.FloatValue | |
_python_type = float | |
class Int64ValueRule(WrapperRule): | |
_proto_type = wrappers_pb2.Int64Value | |
_python_type = int | |
class UInt64ValueRule(WrapperRule): | |
_proto_type = wrappers_pb2.UInt64Value | |
_python_type = int | |
class Int32ValueRule(WrapperRule): | |
_proto_type = wrappers_pb2.Int32Value | |
_python_type = int | |
class UInt32ValueRule(WrapperRule): | |
_proto_type = wrappers_pb2.UInt32Value | |
_python_type = int | |
class BoolValueRule(WrapperRule): | |
_proto_type = wrappers_pb2.BoolValue | |
_python_type = bool | |
class StringValueRule(WrapperRule): | |
_proto_type = wrappers_pb2.StringValue | |
_python_type = str | |
class BytesValueRule(WrapperRule): | |
_proto_type = wrappers_pb2.BytesValue | |
_python_type = bytes | |