Coverage for /pythoncovmergedfiles/medio/medio/usr/local/lib/python3.8/site-packages/google/protobuf/internal/builder.py: 63%

1# Protocol Buffers - Google's data interchange format 

2# Copyright 2008 Google Inc. All rights reserved. 

3# 

4# Use of this source code is governed by a BSD-style 

5# license that can be found in the LICENSE file or at 

6# https://developers.google.com/open-source/licenses/bsd 

7 

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

9 

10This file is only called in python generated _pb2.py files. It builds 

11descriptors, message classes and services that users can directly use 

12in generated code. 

13""" 

14 

15__author__ = 'jieluo@google.com (Jie Luo)' 

16 

17from google.protobuf.internal import enum_type_wrapper 

18from google.protobuf.internal import python_message 

19from google.protobuf import message as _message 

20from google.protobuf import reflection as _reflection 

21from google.protobuf import symbol_database as _symbol_database 

22 

23_sym_db = _symbol_database.Default() 

24 

25 

26def BuildMessageAndEnumDescriptors(file_des, module): 

27 """Builds message and enum descriptors. 

28 

29 Args: 

30 file_des: FileDescriptor of the .proto file 

31 module: Generated _pb2 module 

32 """ 

33 

34 def BuildNestedDescriptors(msg_des, prefix): 

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

36 module_name = prefix + name.upper() 

37 module[module_name] = nested_msg 

38 BuildNestedDescriptors(nested_msg, module_name + '_') 

39 for enum_des in msg_des.enum_types: 

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

41 

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

43 module_name = '_' + name.upper() 

44 module[module_name] = msg_des 

45 BuildNestedDescriptors(msg_des, module_name + '_') 

46 

47 

48def BuildTopDescriptorsAndMessages(file_des, module_name, module): 

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

50 

51 Args: 

52 file_des: FileDescriptor of the .proto file 

53 module_name: str, the name of generated _pb2 module 

54 module: Generated _pb2 module 

55 """ 

56 

57 def BuildMessage(msg_des): 

58 create_dict = {} 

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

60 create_dict[name] = BuildMessage(nested_msg) 

61 create_dict['DESCRIPTOR'] = msg_des 

62 create_dict['__module__'] = module_name 

63 message_class = _reflection.GeneratedProtocolMessageType( 

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

65 _sym_db.RegisterMessage(message_class) 

66 return message_class 

67 

68 # top level enums 

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

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

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

72 for enum_value in enum_des.values: 

73 module[enum_value.name] = enum_value.number 

74 

75 # top level extensions 

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

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

78 module[name] = extension_des 

79 

80 # services 

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

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

83 

84 # Build messages. 

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

86 module[name] = BuildMessage(msg_des) 

87 

88 

89def AddHelpersToExtensions(file_des): 

90 """no-op to keep old generated code work with new runtime. 

91 

92 Args: 

93 file_des: FileDescriptor of the .proto file 

94 """ 

95 # TODO: Remove this on-op 

96 return 

97 

98 

99def BuildServices(file_des, module_name, module): 

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

101 

102 Args: 

103 file_des: FileDescriptor of the .proto file 

104 module_name: str, the name of generated _pb2 module 

105 module: Generated _pb2 module 

106 """ 

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

108 from google.protobuf import service as _service 

109 from google.protobuf import service_reflection 

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

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

112 module[name] = service_reflection.GeneratedServiceType( 

113 name, (_service.Service,), 

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

115 stub_name = name + '_Stub' 

116 module[stub_name] = service_reflection.GeneratedServiceStubType( 

117 stub_name, (module[name],), 

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