Coverage for /pythoncovmergedfiles/medio/medio/usr/local/lib/python3.8/site-packages/certifi/core.py: 33%

1""" 

2certifi.py 

3~~~~~~~~~~ 

4 

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

6""" 

7import sys 

8 

9 

10if sys.version_info >= (3, 11): 

11 

12 from importlib.resources import as_file, files 

13 

14 _CACERT_CTX = None 

15 _CACERT_PATH = None 

16 

17 def where() -> str: 

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

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

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

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

22 # global variable. 

23 global _CACERT_CTX 

24 global _CACERT_PATH 

25 if _CACERT_PATH is None: 

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

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

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

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

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

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

32 # 

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

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

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

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

37 _CACERT_PATH = str(_CACERT_CTX.__enter__()) 

38 

39 return _CACERT_PATH 

40 

41 def contents() -> str: 

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

43 

44elif sys.version_info >= (3, 7): 

45 

46 from importlib.resources import path as get_path, read_text 

47 

48 _CACERT_CTX = None 

49 _CACERT_PATH = None 

50 

51 def where() -> str: 

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

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

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

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

56 # it in a global variable. 

57 global _CACERT_CTX 

58 global _CACERT_PATH 

59 if _CACERT_PATH is None: 

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

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

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

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

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

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

66 # __exit__() is a no-op. 

67 # 

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

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

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

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

72 _CACERT_PATH = str(_CACERT_CTX.__enter__()) 

73 

74 return _CACERT_PATH 

75 

76 def contents() -> str: 

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

78 

79else: 

80 import os 

81 import types 

82 from typing import Union 

83 

84 Package = Union[types.ModuleType, str] 

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

86 

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

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

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

90 # __file__ on modules. 

91 def read_text( 

92 package: Package, 

93 resource: Resource, 

94 encoding: str = 'utf-8', 

95 errors: str = 'strict' 

96 ) -> str: 

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

98 return data.read() 

99 

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

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

102 def where() -> str: 

103 f = os.path.dirname(__file__) 

104 

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

106 

107 def contents() -> str: 

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