Index: third_party/google/protobuf/message_factory.py |
diff --git a/third_party/google/protobuf/message_factory.py b/third_party/google/protobuf/message_factory.py |
deleted file mode 100644 |
index 9004ffd9b2400165d6821f4319bd8b4a82634c6c..0000000000000000000000000000000000000000 |
--- a/third_party/google/protobuf/message_factory.py |
+++ /dev/null |
@@ -1,155 +0,0 @@ |
-# Protocol Buffers - Google's data interchange format |
-# Copyright 2008 Google Inc. All rights reserved. |
-# http://code.google.com/p/protobuf/ |
-# |
-# Redistribution and use in source and binary forms, with or without |
-# modification, are permitted provided that the following conditions are |
-# met: |
-# |
-# * Redistributions of source code must retain the above copyright |
-# notice, this list of conditions and the following disclaimer. |
-# * Redistributions in binary form must reproduce the above |
-# copyright notice, this list of conditions and the following disclaimer |
-# in the documentation and/or other materials provided with the |
-# distribution. |
-# * Neither the name of Google Inc. nor the names of its |
-# contributors may be used to endorse or promote products derived from |
-# this software without specific prior written permission. |
-# |
-# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS |
-# "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT |
-# LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR |
-# A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT |
-# OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, |
-# SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT |
-# LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
-# DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
-# THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
-# (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE |
-# OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
- |
-#PY25 compatible for GAE. |
-# |
-# Copyright 2012 Google Inc. All Rights Reserved. |
- |
-"""Provides a factory class for generating dynamic messages. |
- |
-The easiest way to use this class is if you have access to the FileDescriptor |
-protos containing the messages you want to create you can just do the following: |
- |
-message_classes = message_factory.GetMessages(iterable_of_file_descriptors) |
-my_proto_instance = message_classes['some.proto.package.MessageName']() |
-""" |
- |
-__author__ = 'matthewtoia@google.com (Matt Toia)' |
- |
-import sys ##PY25 |
-from google.protobuf import descriptor_database |
-from google.protobuf import descriptor_pool |
-from google.protobuf import message |
-from google.protobuf import reflection |
- |
- |
-class MessageFactory(object): |
- """Factory for creating Proto2 messages from descriptors in a pool.""" |
- |
- def __init__(self, pool=None): |
- """Initializes a new factory.""" |
- self.pool = (pool or descriptor_pool.DescriptorPool( |
- descriptor_database.DescriptorDatabase())) |
- |
- # local cache of all classes built from protobuf descriptors |
- self._classes = {} |
- |
- def GetPrototype(self, descriptor): |
- """Builds a proto2 message class based on the passed in descriptor. |
- |
- Passing a descriptor with a fully qualified name matching a previous |
- invocation will cause the same class to be returned. |
- |
- Args: |
- descriptor: The descriptor to build from. |
- |
- Returns: |
- A class describing the passed in descriptor. |
- """ |
- if descriptor.full_name not in self._classes: |
- descriptor_name = descriptor.name |
- if sys.version_info[0] < 3: ##PY25 |
-##!PY25 if str is bytes: # PY2 |
- descriptor_name = descriptor.name.encode('ascii', 'ignore') |
- result_class = reflection.GeneratedProtocolMessageType( |
- descriptor_name, |
- (message.Message,), |
- {'DESCRIPTOR': descriptor, '__module__': None}) |
- # If module not set, it wrongly points to the reflection.py module. |
- self._classes[descriptor.full_name] = result_class |
- for field in descriptor.fields: |
- if field.message_type: |
- self.GetPrototype(field.message_type) |
- for extension in result_class.DESCRIPTOR.extensions: |
- if extension.containing_type.full_name not in self._classes: |
- self.GetPrototype(extension.containing_type) |
- extended_class = self._classes[extension.containing_type.full_name] |
- extended_class.RegisterExtension(extension) |
- return self._classes[descriptor.full_name] |
- |
- def GetMessages(self, files): |
- """Gets all the messages from a specified file. |
- |
- This will find and resolve dependencies, failing if the descriptor |
- pool cannot satisfy them. |
- |
- Args: |
- files: The file names to extract messages from. |
- |
- Returns: |
- A dictionary mapping proto names to the message classes. This will include |
- any dependent messages as well as any messages defined in the same file as |
- a specified message. |
- """ |
- result = {} |
- for file_name in files: |
- file_desc = self.pool.FindFileByName(file_name) |
- for name, msg in file_desc.message_types_by_name.iteritems(): |
- if file_desc.package: |
- full_name = '.'.join([file_desc.package, name]) |
- else: |
- full_name = msg.name |
- result[full_name] = self.GetPrototype( |
- self.pool.FindMessageTypeByName(full_name)) |
- |
- # While the extension FieldDescriptors are created by the descriptor pool, |
- # the python classes created in the factory need them to be registered |
- # explicitly, which is done below. |
- # |
- # The call to RegisterExtension will specifically check if the |
- # extension was already registered on the object and either |
- # ignore the registration if the original was the same, or raise |
- # an error if they were different. |
- |
- for name, extension in file_desc.extensions_by_name.iteritems(): |
- if extension.containing_type.full_name not in self._classes: |
- self.GetPrototype(extension.containing_type) |
- extended_class = self._classes[extension.containing_type.full_name] |
- extended_class.RegisterExtension(extension) |
- return result |
- |
- |
-_FACTORY = MessageFactory() |
- |
- |
-def GetMessages(file_protos): |
- """Builds a dictionary of all the messages available in a set of files. |
- |
- Args: |
- file_protos: A sequence of file protos to build messages out of. |
- |
- Returns: |
- A dictionary mapping proto names to the message classes. This will include |
- any dependent messages as well as any messages defined in the same file as |
- a specified message. |
- """ |
- for file_proto in file_protos: |
- _FACTORY.pool.Add(file_proto) |
- return _FACTORY.GetMessages([file_proto.name for file_proto in file_protos]) |