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Diffstat (limited to '.venv/lib/python3.12/site-packages/google/protobuf/pyext/cpp_message.py')
-rw-r--r-- | .venv/lib/python3.12/site-packages/google/protobuf/pyext/cpp_message.py | 49 |
1 files changed, 49 insertions, 0 deletions
diff --git a/.venv/lib/python3.12/site-packages/google/protobuf/pyext/cpp_message.py b/.venv/lib/python3.12/site-packages/google/protobuf/pyext/cpp_message.py new file mode 100644 index 00000000..54cfe306 --- /dev/null +++ b/.venv/lib/python3.12/site-packages/google/protobuf/pyext/cpp_message.py @@ -0,0 +1,49 @@ +# Protocol Buffers - Google's data interchange format +# Copyright 2008 Google Inc. All rights reserved. +# +# Use of this source code is governed by a BSD-style +# license that can be found in the LICENSE file or at +# https://developers.google.com/open-source/licenses/bsd + +"""Protocol message implementation hooks for C++ implementation. + +Contains helper functions used to create protocol message classes from +Descriptor objects at runtime backed by the protocol buffer C++ API. +""" + +__author__ = 'tibell@google.com (Johan Tibell)' + +from google.protobuf.internal import api_implementation + + +# pylint: disable=protected-access +_message = api_implementation._c_module +# TODO: Remove this import after fix api_implementation +if _message is None: + from google.protobuf.pyext import _message + + +class GeneratedProtocolMessageType(_message.MessageMeta): + + """Metaclass for protocol message classes created at runtime from Descriptors. + + The protocol compiler currently uses this metaclass to create protocol + message classes at runtime. Clients can also manually create their own + classes at runtime, as in this example: + + mydescriptor = Descriptor(.....) + factory = symbol_database.Default() + factory.pool.AddDescriptor(mydescriptor) + MyProtoClass = message_factory.GetMessageClass(mydescriptor) + myproto_instance = MyProtoClass() + myproto.foo_field = 23 + ... + + The above example will not work for nested types. If you wish to include them, + use reflection.MakeClass() instead of manually instantiating the class in + order to create the appropriate class structure. + """ + + # Must be consistent with the protocol-compiler code in + # proto2/compiler/internal/generator.*. + _DESCRIPTOR_KEY = 'DESCRIPTOR' |