Coverage for /pythoncovmergedfiles/medio/medio/usr/local/lib/python3.8/site-packages/botocore/__init__.py: 55%

1# Copyright (c) 2012-2013 Mitch Garnaat http://garnaat.org/ 

2# Copyright 2012-2014 Amazon.com, Inc. or its affiliates. All Rights Reserved. 

3# 

4# Licensed under the Apache License, Version 2.0 (the "License"). You 

5# may not use this file except in compliance with the License. A copy of 

6# the License is located at 

7# 

8# http://aws.amazon.com/apache2.0/ 

9# 

10# or in the "license" file accompanying this file. This file is 

11# distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF 

12# ANY KIND, either express or implied. See the License for the specific 

13# language governing permissions and limitations under the License. 

14 

15import logging 

16import os 

17import re 

18 

19__version__ = '1.35.30' 

20 

21 

22class NullHandler(logging.Handler): 

23 def emit(self, record): 

24 pass 

25 

26 

27# Configure default logger to do nothing 

28log = logging.getLogger('botocore') 

29log.addHandler(NullHandler()) 

30 

31_INITIALIZERS = [] 

32 

33_first_cap_regex = re.compile('(.)([A-Z][a-z]+)') 

34_end_cap_regex = re.compile('([a-z0-9])([A-Z])') 

35# The regex below handles the special case where some acronym 

36# name is pluralized, e.g GatewayARNs, ListWebACLs, SomeCNAMEs. 

37_special_case_transform = re.compile('[A-Z]{2,}s$') 

38# Prepopulate the cache with special cases that don't match 

39# our regular transformation. 

40_xform_cache = { 

41 ('CreateCachediSCSIVolume', '_'): 'create_cached_iscsi_volume', 

42 ('CreateCachediSCSIVolume', '-'): 'create-cached-iscsi-volume', 

43 ('DescribeCachediSCSIVolumes', '_'): 'describe_cached_iscsi_volumes', 

44 ('DescribeCachediSCSIVolumes', '-'): 'describe-cached-iscsi-volumes', 

45 ('DescribeStorediSCSIVolumes', '_'): 'describe_stored_iscsi_volumes', 

46 ('DescribeStorediSCSIVolumes', '-'): 'describe-stored-iscsi-volumes', 

47 ('CreateStorediSCSIVolume', '_'): 'create_stored_iscsi_volume', 

48 ('CreateStorediSCSIVolume', '-'): 'create-stored-iscsi-volume', 

49 ('ListHITsForQualificationType', '_'): 'list_hits_for_qualification_type', 

50 ('ListHITsForQualificationType', '-'): 'list-hits-for-qualification-type', 

51 ('ExecutePartiQLStatement', '_'): 'execute_partiql_statement', 

52 ('ExecutePartiQLStatement', '-'): 'execute-partiql-statement', 

53 ('ExecutePartiQLTransaction', '_'): 'execute_partiql_transaction', 

54 ('ExecutePartiQLTransaction', '-'): 'execute-partiql-transaction', 

55 ('ExecutePartiQLBatch', '_'): 'execute_partiql_batch', 

56 ('ExecutePartiQLBatch', '-'): 'execute-partiql-batch', 

57} 

58ScalarTypes = ('string', 'integer', 'boolean', 'timestamp', 'float', 'double') 

59 

60BOTOCORE_ROOT = os.path.dirname(os.path.abspath(__file__)) 

61 

62 

63# Used to specify anonymous (unsigned) request signature 

64class UNSIGNED: 

65 def __copy__(self): 

66 return self 

67 

68 def __deepcopy__(self, memodict): 

69 return self 

70 

71 

72UNSIGNED = UNSIGNED() 

73 

74 

75def xform_name(name, sep='_', _xform_cache=_xform_cache): 

76 """Convert camel case to a "pythonic" name. 

77 

78 If the name contains the ``sep`` character, then it is 

79 returned unchanged. 

80 

81 """ 

82 if sep in name: 

83 # If the sep is in the name, assume that it's already 

84 # transformed and return the string unchanged. 

85 return name 

86 key = (name, sep) 

87 if key not in _xform_cache: 

88 if _special_case_transform.search(name) is not None: 

89 is_special = _special_case_transform.search(name) 

90 matched = is_special.group() 

91 # Replace something like ARNs, ACLs with _arns, _acls. 

92 name = f"{name[: -len(matched)]}{sep}{matched.lower()}" 

93 s1 = _first_cap_regex.sub(r'\1' + sep + r'\2', name) 

94 transformed = _end_cap_regex.sub(r'\1' + sep + r'\2', s1).lower() 

95 _xform_cache[key] = transformed 

96 return _xform_cache[key] 

97 

98 

99def register_initializer(callback): 

100 """Register an initializer function for session creation. 

101 

102 This initializer function will be invoked whenever a new 

103 `botocore.session.Session` is instantiated. 

104 

105 :type callback: callable 

106 :param callback: A callable that accepts a single argument 

107 of type `botocore.session.Session`. 

108 

109 """ 

110 _INITIALIZERS.append(callback) 

111 

112 

113def unregister_initializer(callback): 

114 """Unregister an initializer function. 

115 

116 :type callback: callable 

117 :param callback: A callable that was previously registered 

118 with `botocore.register_initializer`. 

119 

120 :raises ValueError: If a callback is provided that is not currently 

121 registered as an initializer. 

122 

123 """ 

124 _INITIALIZERS.remove(callback) 

125 

126 

127def invoke_initializers(session): 

128 """Invoke all initializers for a session. 

129 

130 :type session: botocore.session.Session 

131 :param session: The session to initialize. 

132 

133 """ 

134 for initializer in _INITIALIZERS: 

135 initializer(session)