diff options
Diffstat (limited to 'third_party/protobuf/python/google/protobuf/proto_builder.py')
-rw-r--r-- | third_party/protobuf/python/google/protobuf/proto_builder.py | 130 |
1 files changed, 0 insertions, 130 deletions
diff --git a/third_party/protobuf/python/google/protobuf/proto_builder.py b/third_party/protobuf/python/google/protobuf/proto_builder.py deleted file mode 100644 index 736caed385..0000000000 --- a/third_party/protobuf/python/google/protobuf/proto_builder.py +++ /dev/null @@ -1,130 +0,0 @@ -# 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. - -"""Dynamic Protobuf class creator.""" - -try: - from collections import OrderedDict -except ImportError: - from ordereddict import OrderedDict #PY26 -import hashlib -import os - -from google.protobuf import descriptor_pb2 -from google.protobuf import message_factory - - -def _GetMessageFromFactory(factory, full_name): - """Get a proto class from the MessageFactory by name. - - Args: - factory: a MessageFactory instance. - full_name: str, the fully qualified name of the proto type. - Returns: - A class, for the type identified by full_name. - Raises: - KeyError, if the proto is not found in the factory's descriptor pool. - """ - proto_descriptor = factory.pool.FindMessageTypeByName(full_name) - proto_cls = factory.GetPrototype(proto_descriptor) - return proto_cls - - -def MakeSimpleProtoClass(fields, full_name=None, pool=None): - """Create a Protobuf class whose fields are basic types. - - Note: this doesn't validate field names! - - Args: - fields: dict of {name: field_type} mappings for each field in the proto. If - this is an OrderedDict the order will be maintained, otherwise the - fields will be sorted by name. - full_name: optional str, the fully-qualified name of the proto type. - pool: optional DescriptorPool instance. - Returns: - a class, the new protobuf class with a FileDescriptor. - """ - factory = message_factory.MessageFactory(pool=pool) - - if full_name is not None: - try: - proto_cls = _GetMessageFromFactory(factory, full_name) - return proto_cls - except KeyError: - # The factory's DescriptorPool doesn't know about this class yet. - pass - - # Get a list of (name, field_type) tuples from the fields dict. If fields was - # an OrderedDict we keep the order, but otherwise we sort the field to ensure - # consistent ordering. - field_items = fields.items() - if not isinstance(fields, OrderedDict): - field_items = sorted(field_items) - - # Use a consistent file name that is unlikely to conflict with any imported - # proto files. - fields_hash = hashlib.sha1() - for f_name, f_type in field_items: - fields_hash.update(f_name.encode('utf-8')) - fields_hash.update(str(f_type).encode('utf-8')) - proto_file_name = fields_hash.hexdigest() + '.proto' - - # If the proto is anonymous, use the same hash to name it. - if full_name is None: - full_name = ('net.proto2.python.public.proto_builder.AnonymousProto_' + - fields_hash.hexdigest()) - try: - proto_cls = _GetMessageFromFactory(factory, full_name) - return proto_cls - except KeyError: - # The factory's DescriptorPool doesn't know about this class yet. - pass - - # This is the first time we see this proto: add a new descriptor to the pool. - factory.pool.Add( - _MakeFileDescriptorProto(proto_file_name, full_name, field_items)) - return _GetMessageFromFactory(factory, full_name) - - -def _MakeFileDescriptorProto(proto_file_name, full_name, field_items): - """Populate FileDescriptorProto for MessageFactory's DescriptorPool.""" - package, name = full_name.rsplit('.', 1) - file_proto = descriptor_pb2.FileDescriptorProto() - file_proto.name = os.path.join(package.replace('.', '/'), proto_file_name) - file_proto.package = package - desc_proto = file_proto.message_type.add() - desc_proto.name = name - for f_number, (f_name, f_type) in enumerate(field_items, 1): - field_proto = desc_proto.field.add() - field_proto.name = f_name - field_proto.number = f_number - field_proto.label = descriptor_pb2.FieldDescriptorProto.LABEL_OPTIONAL - field_proto.type = f_type - return file_proto |