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author | S. Solomon Darnell | 2025-03-28 21:52:21 -0500 |
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committer | S. Solomon Darnell | 2025-03-28 21:52:21 -0500 |
commit | 4a52a71956a8d46fcb7294ac71734504bb09bcc2 (patch) | |
tree | ee3dc5af3b6313e921cd920906356f5d4febc4ed /.venv/lib/python3.12/site-packages/google/protobuf/descriptor_database.py | |
parent | cc961e04ba734dd72309fb548a2f97d67d578813 (diff) | |
download | gn-ai-master.tar.gz |
Diffstat (limited to '.venv/lib/python3.12/site-packages/google/protobuf/descriptor_database.py')
-rw-r--r-- | .venv/lib/python3.12/site-packages/google/protobuf/descriptor_database.py | 154 |
1 files changed, 154 insertions, 0 deletions
diff --git a/.venv/lib/python3.12/site-packages/google/protobuf/descriptor_database.py b/.venv/lib/python3.12/site-packages/google/protobuf/descriptor_database.py new file mode 100644 index 00000000..46a893e3 --- /dev/null +++ b/.venv/lib/python3.12/site-packages/google/protobuf/descriptor_database.py @@ -0,0 +1,154 @@ +# 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 + +"""Provides a container for DescriptorProtos.""" + +__author__ = 'matthewtoia@google.com (Matt Toia)' + +import warnings + + +class Error(Exception): + pass + + +class DescriptorDatabaseConflictingDefinitionError(Error): + """Raised when a proto is added with the same name & different descriptor.""" + + +class DescriptorDatabase(object): + """A container accepting FileDescriptorProtos and maps DescriptorProtos.""" + + def __init__(self): + self._file_desc_protos_by_file = {} + self._file_desc_protos_by_symbol = {} + + def Add(self, file_desc_proto): + """Adds the FileDescriptorProto and its types to this database. + + Args: + file_desc_proto: The FileDescriptorProto to add. + Raises: + DescriptorDatabaseConflictingDefinitionError: if an attempt is made to + add a proto with the same name but different definition than an + existing proto in the database. + """ + proto_name = file_desc_proto.name + if proto_name not in self._file_desc_protos_by_file: + self._file_desc_protos_by_file[proto_name] = file_desc_proto + elif self._file_desc_protos_by_file[proto_name] != file_desc_proto: + raise DescriptorDatabaseConflictingDefinitionError( + '%s already added, but with different descriptor.' % proto_name) + else: + return + + # Add all the top-level descriptors to the index. + package = file_desc_proto.package + for message in file_desc_proto.message_type: + for name in _ExtractSymbols(message, package): + self._AddSymbol(name, file_desc_proto) + for enum in file_desc_proto.enum_type: + self._AddSymbol(('.'.join((package, enum.name))), file_desc_proto) + for enum_value in enum.value: + self._file_desc_protos_by_symbol[ + '.'.join((package, enum_value.name))] = file_desc_proto + for extension in file_desc_proto.extension: + self._AddSymbol(('.'.join((package, extension.name))), file_desc_proto) + for service in file_desc_proto.service: + self._AddSymbol(('.'.join((package, service.name))), file_desc_proto) + + def FindFileByName(self, name): + """Finds the file descriptor proto by file name. + + Typically the file name is a relative path ending to a .proto file. The + proto with the given name will have to have been added to this database + using the Add method or else an error will be raised. + + Args: + name: The file name to find. + + Returns: + The file descriptor proto matching the name. + + Raises: + KeyError if no file by the given name was added. + """ + + return self._file_desc_protos_by_file[name] + + def FindFileContainingSymbol(self, symbol): + """Finds the file descriptor proto containing the specified symbol. + + The symbol should be a fully qualified name including the file descriptor's + package and any containing messages. Some examples: + + 'some.package.name.Message' + 'some.package.name.Message.NestedEnum' + 'some.package.name.Message.some_field' + + The file descriptor proto containing the specified symbol must be added to + this database using the Add method or else an error will be raised. + + Args: + symbol: The fully qualified symbol name. + + Returns: + The file descriptor proto containing the symbol. + + Raises: + KeyError if no file contains the specified symbol. + """ + try: + return self._file_desc_protos_by_symbol[symbol] + except KeyError: + # Fields, enum values, and nested extensions are not in + # _file_desc_protos_by_symbol. Try to find the top level + # descriptor. Non-existent nested symbol under a valid top level + # descriptor can also be found. The behavior is the same with + # protobuf C++. + top_level, _, _ = symbol.rpartition('.') + try: + return self._file_desc_protos_by_symbol[top_level] + except KeyError: + # Raise the original symbol as a KeyError for better diagnostics. + raise KeyError(symbol) + + def FindFileContainingExtension(self, extendee_name, extension_number): + # TODO: implement this API. + return None + + def FindAllExtensionNumbers(self, extendee_name): + # TODO: implement this API. + return [] + + def _AddSymbol(self, name, file_desc_proto): + if name in self._file_desc_protos_by_symbol: + warn_msg = ('Conflict register for file "' + file_desc_proto.name + + '": ' + name + + ' is already defined in file "' + + self._file_desc_protos_by_symbol[name].name + '"') + warnings.warn(warn_msg, RuntimeWarning) + self._file_desc_protos_by_symbol[name] = file_desc_proto + + +def _ExtractSymbols(desc_proto, package): + """Pulls out all the symbols from a descriptor proto. + + Args: + desc_proto: The proto to extract symbols from. + package: The package containing the descriptor type. + + Yields: + The fully qualified name found in the descriptor. + """ + message_name = package + '.' + desc_proto.name if package else desc_proto.name + yield message_name + for nested_type in desc_proto.nested_type: + for symbol in _ExtractSymbols(nested_type, message_name): + yield symbol + for enum_type in desc_proto.enum_type: + yield '.'.join((message_name, enum_type.name)) |