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Path: ~//proc/self/root/lib/python2.7/site-packages/google/protobuf/

File Content: `reflection.py`

# Protocol Buffers - Google's data interchange format
# Copyright 2008 Google Inc.  All rights reserved.
# https://developers.google.com/protocol-buffers/
#
# 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.

# This code is meant to work on Python 2.4 and above only.

"""Contains a metaclass and helper functions used to create
protocol message classes from Descriptor objects at runtime.

Recall that a metaclass is the "type" of a class.
(A class is to a metaclass what an instance is to a class.)

In this case, we use the GeneratedProtocolMessageType metaclass
to inject all the useful functionality into the classes
output by the protocol compiler at compile-time.

The upshot of all this is that the real implementation
details for ALL pure-Python protocol buffers are *here in
this file*.
"""

__author__ = 'robinson@google.com (Will Robinson)'


from google.protobuf.internal import api_implementation
from google.protobuf import message


if api_implementation.Type() == 'cpp':
  from google.protobuf.pyext import cpp_message as message_impl
else:
  from google.protobuf.internal import python_message as message_impl

# The type of all Message classes.
# Part of the public interface, but normally only used by message factories.
GeneratedProtocolMessageType = message_impl.GeneratedProtocolMessageType

MESSAGE_CLASS_CACHE = {}


def ParseMessage(descriptor, byte_str):
  """Generate a new Message instance from this Descriptor and a byte string.

  Args:
    descriptor: Protobuf Descriptor object
    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.
  """
  if descriptor in MESSAGE_CLASS_CACHE:
    return MESSAGE_CLASS_CACHE[descriptor]

  attributes = {}
  for name, nested_type in descriptor.nested_types_by_name.items():
    attributes[name] = MakeClass(nested_type)

  attributes[GeneratedProtocolMessageType._DESCRIPTOR_KEY] = descriptor

  result = GeneratedProtocolMessageType(
      str(descriptor.name), (message.Message,), attributes)
  MESSAGE_CLASS_CACHE[descriptor] = result
  return result

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FILE FOLDER

Name	Size	Permission
compiler	---	0755
internal	---	0755
pyext	---	0755
util	---	0755
__init__.py	1890 bytes	0644
__init__.pyc	409 bytes	0644
__init__.pyo	409 bytes	0644
any_pb2.py	2686 bytes	0644
any_pb2.pyc	2826 bytes	0644
any_pb2.pyo	2826 bytes	0644
any_test_pb2.py	3205 bytes	0644
any_test_pb2.pyc	2995 bytes	0644
any_test_pb2.pyo	2995 bytes	0644
api_pb2.py	10895 bytes	0644
api_pb2.pyc	6788 bytes	0644
api_pb2.pyo	6788 bytes	0644
descriptor.py	39605 bytes	0644
descriptor.pyc	37035 bytes	0644
descriptor.pyo	37035 bytes	0644
descriptor_database.py	5932 bytes	0644
descriptor_database.pyc	4985 bytes	0644
descriptor_database.pyo	4985 bytes	0644
descriptor_pb2.py	89217 bytes	0644
descriptor_pb2.pyc	43334 bytes	0644
descriptor_pb2.pyo	43334 bytes	0644
descriptor_pool.py	36071 bytes	0644
descriptor_pool.pyc	30304 bytes	0644
descriptor_pool.pyo	30273 bytes	0644
duration_pb2.py	2780 bytes	0644
duration_pb2.pyc	2857 bytes	0644
duration_pb2.pyo	2857 bytes	0644
empty_pb2.py	1951 bytes	0644
empty_pb2.pyc	2257 bytes	0644
empty_pb2.pyo	2257 bytes	0644
field_mask_pb2.py	2422 bytes	0644
field_mask_pb2.pyc	2711 bytes	0644
field_mask_pb2.pyo	2711 bytes	0644
json_format.py	29203 bytes	0644
json_format.pyc	24788 bytes	0644
json_format.pyo	24788 bytes	0644
map_proto2_unittest_pb2.py	55897 bytes	0644
map_proto2_unittest_pb2.pyc	26138 bytes	0644
map_proto2_unittest_pb2.pyo	26138 bytes	0644
map_unittest_pb2.py	127423 bytes	0644
map_unittest_pb2.pyc	55938 bytes	0644
map_unittest_pb2.pyo	55938 bytes	0644
message.py	11454 bytes	0644
message.pyc	12397 bytes	0644
message.pyo	12397 bytes	0644
message_factory.py	6279 bytes	0644
message_factory.pyc	4685 bytes	0644
message_factory.pyo	4685 bytes	0644
proto_builder.py	5202 bytes	0644
proto_builder.pyc	3372 bytes	0644
proto_builder.pyo	3372 bytes	0644
reflection.py	4562 bytes	0644
reflection.pyc	3054 bytes	0644
reflection.pyo	3054 bytes	0644
service.py	9144 bytes	0644
service.pyc	9625 bytes	0644
service.pyo	9625 bytes	0644
service_reflection.py	11023 bytes	0644
service_reflection.pyc	11315 bytes	0644
service_reflection.pyo	11315 bytes	0644
source_context_pb2.py	2537 bytes	0644
source_context_pb2.pyc	2832 bytes	0644
source_context_pb2.pyo	2832 bytes	0644
struct_pb2.py	10900 bytes	0644
struct_pb2.pyc	6846 bytes	0644
struct_pb2.pyo	6846 bytes	0644
symbol_database.py	6423 bytes	0644
symbol_database.pyc	6125 bytes	0644
symbol_database.pyo	6125 bytes	0644
test_messages_proto2_pb2.py	107724 bytes	0644
test_messages_proto2_pb2.pyc	52536 bytes	0644
test_messages_proto2_pb2.pyo	52536 bytes	0644
test_messages_proto3_pb2.py	117807 bytes	0644
test_messages_proto3_pb2.pyc	58381 bytes	0644
test_messages_proto3_pb2.pyo	58381 bytes	0644
text_encoding.py	4617 bytes	0644
text_encoding.pyc	3336 bytes	0644
text_encoding.pyo	3336 bytes	0644
text_format.py	50887 bytes	0644
text_format.pyc	47713 bytes	0644
text_format.pyo	47677 bytes	0644
timestamp_pb2.py	2800 bytes	0644
timestamp_pb2.pyc	2873 bytes	0644
timestamp_pb2.pyo	2873 bytes	0644
type_pb2.py	21859 bytes	0644
type_pb2.pyc	12251 bytes	0644
type_pb2.pyo	12251 bytes	0644
unittest_arena_pb2.py	4507 bytes	0644
unittest_arena_pb2.pyc	3727 bytes	0644
unittest_arena_pb2.pyo	3727 bytes	0644
unittest_custom_options_pb2.py	90298 bytes	0644
unittest_custom_options_pb2.pyc	41614 bytes	0644
unittest_custom_options_pb2.pyo	41614 bytes	0644
unittest_import_pb2.py	4601 bytes	0644
unittest_import_pb2.pyc	4089 bytes	0644
unittest_import_pb2.pyo	4089 bytes	0644
unittest_import_public_pb2.py	2342 bytes	0644
unittest_import_public_pb2.pyc	2626 bytes	0644
unittest_import_public_pb2.pyo	2626 bytes	0644
unittest_mset_pb2.py	9959 bytes	0644
unittest_mset_pb2.pyc	6128 bytes	0644
unittest_mset_pb2.pyo	6128 bytes	0644
unittest_mset_wire_format_pb2.py	3854 bytes	0644
unittest_mset_wire_format_pb2.pyc	3349 bytes	0644
unittest_mset_wire_format_pb2.pyo	3349 bytes	0644
unittest_no_arena_import_pb2.py	2233 bytes	0644
unittest_no_arena_import_pb2.pyc	2484 bytes	0644
unittest_no_arena_import_pb2.pyo	2484 bytes	0644
unittest_no_arena_pb2.py	52395 bytes	0644
unittest_no_arena_pb2.pyc	28012 bytes	0644
unittest_no_arena_pb2.pyo	28012 bytes	0644
unittest_no_generic_services_pb2.py	4245 bytes	0644
unittest_no_generic_services_pb2.pyc	4112 bytes	0644
unittest_no_generic_services_pb2.pyo	4112 bytes	0644
unittest_pb2.py	343268 bytes	0644
unittest_pb2.pyc	162847 bytes	0644
unittest_pb2.pyo	162847 bytes	0644
unittest_proto3_arena_pb2.py	60577 bytes	0644
unittest_proto3_arena_pb2.pyc	30138 bytes	0644
unittest_proto3_arena_pb2.pyo	30138 bytes	0644
wrappers_pb2.py	11531 bytes	0644
wrappers_pb2.pyc	6641 bytes	0644
wrappers_pb2.pyo	6641 bytes	0644

File Content: reflection.py

File Content: `reflection.py`