Coverage for /pythoncovmergedfiles/medio/medio/usr/local/lib/python3.8/site-packages/certifi/core.py: 39%

1""" 

2certifi.py 

3~~~~~~~~~~ 

4 

5This module returns the installation location of cacert.pem or its contents. 

6""" 

7import sys 

8import atexit 

9 

10def exit_cacert_ctx() -> None: 

11 _CACERT_CTX.__exit__(None, None, None) # type: ignore[union-attr] 

12 

13 

14if sys.version_info >= (3, 11): 

15 

16 from importlib.resources import as_file, files 

17 

18 _CACERT_CTX = None 

19 _CACERT_PATH = None 

20 

21 def where() -> str: 

22 # This is slightly terrible, but we want to delay extracting the file 

23 # in cases where we're inside of a zipimport situation until someone 

24 # actually calls where(), but we don't want to re-extract the file 

25 # on every call of where(), so we'll do it once then store it in a 

26 # global variable. 

27 global _CACERT_CTX 

28 global _CACERT_PATH 

29 if _CACERT_PATH is None: 

30 # This is slightly janky, the importlib.resources API wants you to 

31 # manage the cleanup of this file, so it doesn't actually return a 

32 # path, it returns a context manager that will give you the path 

33 # when you enter it and will do any cleanup when you leave it. In 

34 # the common case of not needing a temporary file, it will just 

35 # return the file system location and the __exit__() is a no-op. 

36 # 

37 # We also have to hold onto the actual context manager, because 

38 # it will do the cleanup whenever it gets garbage collected, so 

39 # we will also store that at the global level as well. 

40 _CACERT_CTX = as_file(files("certifi").joinpath("cacert.pem")) 

41 _CACERT_PATH = str(_CACERT_CTX.__enter__()) 

42 atexit.register(exit_cacert_ctx) 

43 

44 return _CACERT_PATH 

45 

46 def contents() -> str: 

47 return files("certifi").joinpath("cacert.pem").read_text(encoding="ascii") 

48 

49elif sys.version_info >= (3, 7): 

50 

51 from importlib.resources import path as get_path, read_text 

52 

53 _CACERT_CTX = None 

54 _CACERT_PATH = None 

55 

56 def where() -> str: 

57 # This is slightly terrible, but we want to delay extracting the 

58 # file in cases where we're inside of a zipimport situation until 

59 # someone actually calls where(), but we don't want to re-extract 

60 # the file on every call of where(), so we'll do it once then store 

61 # it in a global variable. 

62 global _CACERT_CTX 

63 global _CACERT_PATH 

64 if _CACERT_PATH is None: 

65 # This is slightly janky, the importlib.resources API wants you 

66 # to manage the cleanup of this file, so it doesn't actually 

67 # return a path, it returns a context manager that will give 

68 # you the path when you enter it and will do any cleanup when 

69 # you leave it. In the common case of not needing a temporary 

70 # file, it will just return the file system location and the 

71 # __exit__() is a no-op. 

72 # 

73 # We also have to hold onto the actual context manager, because 

74 # it will do the cleanup whenever it gets garbage collected, so 

75 # we will also store that at the global level as well. 

76 _CACERT_CTX = get_path("certifi", "cacert.pem") 

77 _CACERT_PATH = str(_CACERT_CTX.__enter__()) 

78 atexit.register(exit_cacert_ctx) 

79 

80 return _CACERT_PATH 

81 

82 def contents() -> str: 

83 return read_text("certifi", "cacert.pem", encoding="ascii") 

84 

85else: 

86 import os 

87 import types 

88 from typing import Union 

89 

90 Package = Union[types.ModuleType, str] 

91 Resource = Union[str, "os.PathLike"] 

92 

93 # This fallback will work for Python versions prior to 3.7 that lack the 

94 # importlib.resources module but relies on the existing `where` function 

95 # so won't address issues with environments like PyOxidizer that don't set 

96 # __file__ on modules. 

97 def read_text( 

98 package: Package, 

99 resource: Resource, 

100 encoding: str = 'utf-8', 

101 errors: str = 'strict' 

102 ) -> str: 

103 with open(where(), encoding=encoding) as data: 

104 return data.read() 

105 

106 # If we don't have importlib.resources, then we will just do the old logic 

107 # of assuming we're on the filesystem and munge the path directly. 

108 def where() -> str: 

109 f = os.path.dirname(__file__) 

110 

111 return os.path.join(f, "cacert.pem") 

112 

113 def contents() -> str: 

114 return read_text("certifi", "cacert.pem", encoding="ascii")