Coverage for /pythoncovmergedfiles/medio/medio/usr/local/lib/python3.8/site-packages/google/protobuf/internal/builder.py: 81%

1# Protocol Buffers - Google's data interchange format 

2# Copyright 2008 Google Inc. All rights reserved. 

3# https://developers.google.com/protocol-buffers/ 

4# 

5# Redistribution and use in source and binary forms, with or without 

6# modification, are permitted provided that the following conditions are 

7# met: 

8# 

9# * Redistributions of source code must retain the above copyright 

10# notice, this list of conditions and the following disclaimer. 

11# * Redistributions in binary form must reproduce the above 

12# copyright notice, this list of conditions and the following disclaimer 

13# in the documentation and/or other materials provided with the 

14# distribution. 

15# * Neither the name of Google Inc. nor the names of its 

16# contributors may be used to endorse or promote products derived from 

17# this software without specific prior written permission. 

18# 

19# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 

20# "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 

21# LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR 

22# A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT 

23# OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, 

24# SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT 

25# LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 

26# DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 

27# THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 

28# (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE 

29# OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 

30 

31"""Builds descriptors, message classes and services for generated _pb2.py. 

32 

33This file is only called in python generated _pb2.py files. It builds 

34descriptors, message classes and services that users can directly use 

35in generated code. 

36""" 

37 

38__author__ = 'jieluo@google.com (Jie Luo)' 

39 

40from google.protobuf.internal import enum_type_wrapper 

41from google.protobuf import message as _message 

42from google.protobuf import reflection as _reflection 

43from google.protobuf import symbol_database as _symbol_database 

44 

45_sym_db = _symbol_database.Default() 

46 

47 

48def BuildMessageAndEnumDescriptors(file_des, module): 

49 """Builds message and enum descriptors. 

50 

51 Args: 

52 file_des: FileDescriptor of the .proto file 

53 module: Generated _pb2 module 

54 """ 

55 

56 def BuildNestedDescriptors(msg_des, prefix): 

57 for (name, nested_msg) in msg_des.nested_types_by_name.items(): 

58 module_name = prefix + name.upper() 

59 module[module_name] = nested_msg 

60 BuildNestedDescriptors(nested_msg, module_name + '_') 

61 for enum_des in msg_des.enum_types: 

62 module[prefix + enum_des.name.upper()] = enum_des 

63 

64 for (name, msg_des) in file_des.message_types_by_name.items(): 

65 module_name = '_' + name.upper() 

66 module[module_name] = msg_des 

67 BuildNestedDescriptors(msg_des, module_name + '_') 

68 

69 

70def BuildTopDescriptorsAndMessages(file_des, module_name, module): 

71 """Builds top level descriptors and message classes. 

72 

73 Args: 

74 file_des: FileDescriptor of the .proto file 

75 module_name: str, the name of generated _pb2 module 

76 module: Generated _pb2 module 

77 """ 

78 

79 def BuildMessage(msg_des): 

80 create_dict = {} 

81 for (name, nested_msg) in msg_des.nested_types_by_name.items(): 

82 create_dict[name] = BuildMessage(nested_msg) 

83 create_dict['DESCRIPTOR'] = msg_des 

84 create_dict['__module__'] = module_name 

85 message_class = _reflection.GeneratedProtocolMessageType( 

86 msg_des.name, (_message.Message,), create_dict) 

87 _sym_db.RegisterMessage(message_class) 

88 return message_class 

89 

90 # top level enums 

91 for (name, enum_des) in file_des.enum_types_by_name.items(): 

92 module['_' + name.upper()] = enum_des 

93 module[name] = enum_type_wrapper.EnumTypeWrapper(enum_des) 

94 for enum_value in enum_des.values: 

95 module[enum_value.name] = enum_value.number 

96 

97 # top level extensions 

98 for (name, extension_des) in file_des.extensions_by_name.items(): 

99 module[name.upper() + '_FIELD_NUMBER'] = extension_des.number 

100 module[name] = extension_des 

101 

102 # services 

103 for (name, service) in file_des.services_by_name.items(): 

104 module['_' + name.upper()] = service 

105 

106 # Build messages. 

107 for (name, msg_des) in file_des.message_types_by_name.items(): 

108 module[name] = BuildMessage(msg_des) 

109 

110 

111def BuildServices(file_des, module_name, module): 

112 """Builds services classes and services stub class. 

113 

114 Args: 

115 file_des: FileDescriptor of the .proto file 

116 module_name: str, the name of generated _pb2 module 

117 module: Generated _pb2 module 

118 """ 

119 # pylint: disable=g-import-not-at-top 

120 from google.protobuf import service as _service 

121 from google.protobuf import service_reflection 

122 # pylint: enable=g-import-not-at-top 

123 for (name, service) in file_des.services_by_name.items(): 

124 module[name] = service_reflection.GeneratedServiceType( 

125 name, (_service.Service,), 

126 dict(DESCRIPTOR=service, __module__=module_name)) 

127 stub_name = name + '_Stub' 

128 module[stub_name] = service_reflection.GeneratedServiceStubType( 

129 stub_name, (module[name],), 

130 dict(DESCRIPTOR=service, __module__=module_name))