| Index: third_party/google/protobuf/reflection.py
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| diff --git a/third_party/google/protobuf/reflection.py b/third_party/google/protobuf/reflection.py
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| deleted file mode 100644
|
| index 7aac623068f93acf4798e836a0e4b9e4b79cb0f1..0000000000000000000000000000000000000000
|
| --- a/third_party/google/protobuf/reflection.py
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| +++ /dev/null
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| @@ -1,205 +0,0 @@
|
| -# Protocol Buffers - Google's data interchange format
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| -# Copyright 2008 Google Inc. All rights reserved.
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| -# http://code.google.com/p/protobuf/
|
| -#
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| -# Redistribution and use in source and binary forms, with or without
|
| -# modification, are permitted provided that the following conditions are
|
| -# met:
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| -#
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| -# * 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.
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| -# * Neither the name of Google Inc. nor the names of its
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| -# contributors may be used to endorse or promote products derived from
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| -# this software without specific prior written permission.
|
| -#
|
| -# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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| -# "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
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| -# (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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| -# OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
|
| -
|
| -# This code is meant to work on Python 2.4 and above only.
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| -
|
| -"""Contains a metaclass and helper functions used to create
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| -protocol message classes from Descriptor objects at runtime.
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| -
|
| -Recall that a metaclass is the "type" of a class.
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| -(A class is to a metaclass what an instance is to a class.)
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| -
|
| -In this case, we use the GeneratedProtocolMessageType metaclass
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| -to inject all the useful functionality into the classes
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| -output by the protocol compiler at compile-time.
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| -
|
| -The upshot of all this is that the real implementation
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| -details for ALL pure-Python protocol buffers are *here in
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| -this file*.
|
| -"""
|
| -
|
| -__author__ = 'robinson@google.com (Will Robinson)'
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| -
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| -
|
| -from google.protobuf.internal import api_implementation
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| -from google.protobuf import descriptor as descriptor_mod
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| -from google.protobuf import message
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| -
|
| -_FieldDescriptor = descriptor_mod.FieldDescriptor
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| -
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| -
|
| -if api_implementation.Type() == 'cpp':
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| - if api_implementation.Version() == 2:
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| - from google.protobuf.pyext import cpp_message
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| - _NewMessage = cpp_message.NewMessage
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| - _InitMessage = cpp_message.InitMessage
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| - else:
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| - from google.protobuf.internal import cpp_message
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| - _NewMessage = cpp_message.NewMessage
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| - _InitMessage = cpp_message.InitMessage
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| -else:
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| - from google.protobuf.internal import python_message
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| - _NewMessage = python_message.NewMessage
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| - _InitMessage = python_message.InitMessage
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| -
|
| -
|
| -class GeneratedProtocolMessageType(type):
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| -
|
| - """Metaclass for protocol message classes created at runtime from Descriptors.
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| -
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| - We add implementations for all methods described in the Message class. We
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| - also create properties to allow getting/setting all fields in the protocol
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| - message. Finally, we create slots to prevent users from accidentally
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| - "setting" nonexistent fields in the protocol message, which then wouldn't get
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| - serialized / deserialized properly.
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| -
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| - The protocol compiler currently uses this metaclass to create protocol
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| - message classes at runtime. Clients can also manually create their own
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| - classes at runtime, as in this example:
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| -
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| - mydescriptor = Descriptor(.....)
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| - class MyProtoClass(Message):
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| - __metaclass__ = GeneratedProtocolMessageType
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| - DESCRIPTOR = mydescriptor
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| - myproto_instance = MyProtoClass()
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| - myproto.foo_field = 23
|
| - ...
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| -
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| - The above example will not work for nested types. If you wish to include them,
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| - use reflection.MakeClass() instead of manually instantiating the class in
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| - order to create the appropriate class structure.
|
| - """
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| -
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| - # Must be consistent with the protocol-compiler code in
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| - # proto2/compiler/internal/generator.*.
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| - _DESCRIPTOR_KEY = 'DESCRIPTOR'
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| -
|
| - def __new__(cls, name, bases, dictionary):
|
| - """Custom allocation for runtime-generated class types.
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| -
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| - We override __new__ because this is apparently the only place
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| - where we can meaningfully set __slots__ on the class we're creating(?).
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| - (The interplay between metaclasses and slots is not very well-documented).
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| -
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| - Args:
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| - name: Name of the class (ignored, but required by the
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| - metaclass protocol).
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| - bases: Base classes of the class we're constructing.
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| - (Should be message.Message). We ignore this field, but
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| - it's required by the metaclass protocol
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| - dictionary: The class dictionary of the class we're
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| - constructing. dictionary[_DESCRIPTOR_KEY] must contain
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| - a Descriptor object describing this protocol message
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| - type.
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| -
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| - Returns:
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| - Newly-allocated class.
|
| - """
|
| - descriptor = dictionary[GeneratedProtocolMessageType._DESCRIPTOR_KEY]
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| - bases = _NewMessage(bases, descriptor, dictionary)
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| - superclass = super(GeneratedProtocolMessageType, cls)
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| -
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| - new_class = superclass.__new__(cls, name, bases, dictionary)
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| - setattr(descriptor, '_concrete_class', new_class)
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| - return new_class
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| -
|
| - def __init__(cls, name, bases, dictionary):
|
| - """Here we perform the majority of our work on the class.
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| - We add enum getters, an __init__ method, implementations
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| - of all Message methods, and properties for all fields
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| - in the protocol type.
|
| -
|
| - Args:
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| - name: Name of the class (ignored, but required by the
|
| - metaclass protocol).
|
| - bases: Base classes of the class we're constructing.
|
| - (Should be message.Message). We ignore this field, but
|
| - it's required by the metaclass protocol
|
| - dictionary: The class dictionary of the class we're
|
| - constructing. dictionary[_DESCRIPTOR_KEY] must contain
|
| - a Descriptor object describing this protocol message
|
| - type.
|
| - """
|
| - descriptor = dictionary[GeneratedProtocolMessageType._DESCRIPTOR_KEY]
|
| - _InitMessage(descriptor, cls)
|
| - superclass = super(GeneratedProtocolMessageType, cls)
|
| - superclass.__init__(name, bases, dictionary)
|
| -
|
| -
|
| -def ParseMessage(descriptor, byte_str):
|
| - """Generate a new Message instance from this Descriptor and a byte string.
|
| -
|
| - Args:
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| - descriptor: Protobuf Descriptor object
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| - byte_str: Serialized protocol buffer byte string
|
| -
|
| - Returns:
|
| - Newly created protobuf Message object.
|
| - """
|
| - result_class = MakeClass(descriptor)
|
| - new_msg = result_class()
|
| - new_msg.ParseFromString(byte_str)
|
| - return new_msg
|
| -
|
| -
|
| -def MakeClass(descriptor):
|
| - """Construct a class object for a protobuf described by descriptor.
|
| -
|
| - Composite descriptors are handled by defining the new class as a member of the
|
| - parent class, recursing as deep as necessary.
|
| - This is the dynamic equivalent to:
|
| -
|
| - class Parent(message.Message):
|
| - __metaclass__ = GeneratedProtocolMessageType
|
| - DESCRIPTOR = descriptor
|
| - class Child(message.Message):
|
| - __metaclass__ = GeneratedProtocolMessageType
|
| - DESCRIPTOR = descriptor.nested_types[0]
|
| -
|
| - Sample usage:
|
| - file_descriptor = descriptor_pb2.FileDescriptorProto()
|
| - file_descriptor.ParseFromString(proto2_string)
|
| - msg_descriptor = descriptor.MakeDescriptor(file_descriptor.message_type[0])
|
| - msg_class = reflection.MakeClass(msg_descriptor)
|
| - msg = msg_class()
|
| -
|
| - Args:
|
| - descriptor: A descriptor.Descriptor object describing the protobuf.
|
| - Returns:
|
| - The Message class object described by the descriptor.
|
| - """
|
| - attributes = {}
|
| - for name, nested_type in descriptor.nested_types_by_name.items():
|
| - attributes[name] = MakeClass(nested_type)
|
| -
|
| - attributes[GeneratedProtocolMessageType._DESCRIPTOR_KEY] = descriptor
|
| -
|
| - return GeneratedProtocolMessageType(str(descriptor.name), (message.Message,),
|
| - attributes)
|
|
|