Coverage for /var/srv/projects/api.amasfac.comuna18.com/tmp/venv/lib/python3.9/site-packages/pkg_resources/_vendor/packaging/requirements.py: 87%

1# This file is dual licensed under the terms of the Apache License, Version 

2# 2.0, and the BSD License. See the LICENSE file in the root of this repository 

3# for complete details. 

4from __future__ import absolute_import, division, print_function 

5 

6import string 

7import re 

8 

9from pkg_resources.extern.pyparsing import stringStart, stringEnd, originalTextFor, ParseException 

10from pkg_resources.extern.pyparsing import ZeroOrMore, Word, Optional, Regex, Combine 

11from pkg_resources.extern.pyparsing import Literal as L # noqa 

12from pkg_resources.extern.six.moves.urllib import parse as urlparse 

13 

14from .markers import MARKER_EXPR, Marker 

15from .specifiers import LegacySpecifier, Specifier, SpecifierSet 

16 

17 

18class InvalidRequirement(ValueError): 

19 """ 

20 An invalid requirement was found, users should refer to PEP 508. 

21 """ 

22 

23 

24ALPHANUM = Word(string.ascii_letters + string.digits) 

25 

26LBRACKET = L("[").suppress() 

27RBRACKET = L("]").suppress() 

28LPAREN = L("(").suppress() 

29RPAREN = L(")").suppress() 

30COMMA = L(",").suppress() 

31SEMICOLON = L(";").suppress() 

32AT = L("@").suppress() 

33 

34PUNCTUATION = Word("-_.") 

35IDENTIFIER_END = ALPHANUM | (ZeroOrMore(PUNCTUATION) + ALPHANUM) 

36IDENTIFIER = Combine(ALPHANUM + ZeroOrMore(IDENTIFIER_END)) 

37 

38NAME = IDENTIFIER("name") 

39EXTRA = IDENTIFIER 

40 

41URI = Regex(r'[^ ]+')("url") 

42URL = (AT + URI) 

43 

44EXTRAS_LIST = EXTRA + ZeroOrMore(COMMA + EXTRA) 

45EXTRAS = (LBRACKET + Optional(EXTRAS_LIST) + RBRACKET)("extras") 

46 

47VERSION_PEP440 = Regex(Specifier._regex_str, re.VERBOSE | re.IGNORECASE) 

48VERSION_LEGACY = Regex(LegacySpecifier._regex_str, re.VERBOSE | re.IGNORECASE) 

49 

50VERSION_ONE = VERSION_PEP440 ^ VERSION_LEGACY 

51VERSION_MANY = Combine(VERSION_ONE + ZeroOrMore(COMMA + VERSION_ONE), 

52 joinString=",", adjacent=False)("_raw_spec") 

53_VERSION_SPEC = Optional(((LPAREN + VERSION_MANY + RPAREN) | VERSION_MANY)) 

54_VERSION_SPEC.setParseAction(lambda s, l, t: t._raw_spec or '') 

55 

56VERSION_SPEC = originalTextFor(_VERSION_SPEC)("specifier") 

57VERSION_SPEC.setParseAction(lambda s, l, t: t[1]) 

58 

59MARKER_EXPR = originalTextFor(MARKER_EXPR())("marker") 

60MARKER_EXPR.setParseAction( 

61 lambda s, l, t: Marker(s[t._original_start:t._original_end]) 

62) 

63MARKER_SEPERATOR = SEMICOLON 

64MARKER = MARKER_SEPERATOR + MARKER_EXPR 

65 

66VERSION_AND_MARKER = VERSION_SPEC + Optional(MARKER) 

67URL_AND_MARKER = URL + Optional(MARKER) 

68 

69NAMED_REQUIREMENT = \ 

70 NAME + Optional(EXTRAS) + (URL_AND_MARKER | VERSION_AND_MARKER) 

71 

72REQUIREMENT = stringStart + NAMED_REQUIREMENT + stringEnd 

73 

74 

75class Requirement(object): 

76 """Parse a requirement. 

77 

78 Parse a given requirement string into its parts, such as name, specifier, 

79 URL, and extras. Raises InvalidRequirement on a badly-formed requirement 

80 string. 

81 """ 

82 

83 # TODO: Can we test whether something is contained within a requirement? 

84 # If so how do we do that? Do we need to test against the _name_ of 

85 # the thing as well as the version? What about the markers? 

86 # TODO: Can we normalize the name and extra name? 

87 

88 def __init__(self, requirement_string): 

89 try: 

90 req = REQUIREMENT.parseString(requirement_string) 

91 except ParseException as e: 

92 raise InvalidRequirement( 

93 "Invalid requirement, parse error at \"{0!r}\"".format( 

94 requirement_string[e.loc:e.loc + 8])) 

95 

96 self.name = req.name 

97 if req.url: 97 ↛ 98line 97 didn't jump to line 98, because the condition on line 97 was never true

98 parsed_url = urlparse.urlparse(req.url) 

99 if not (parsed_url.scheme and parsed_url.netloc) or ( 

100 not parsed_url.scheme and not parsed_url.netloc): 

101 raise InvalidRequirement("Invalid URL given") 

102 self.url = req.url 

103 else: 

104 self.url = None 

105 self.extras = set(req.extras.asList() if req.extras else []) 

106 self.specifier = SpecifierSet(req.specifier) 

107 self.marker = req.marker if req.marker else None 

108 

109 def __str__(self): 

110 parts = [self.name] 

111 

112 if self.extras: 

113 parts.append("[{0}]".format(",".join(sorted(self.extras)))) 

114 

115 if self.specifier: 

116 parts.append(str(self.specifier)) 

117 

118 if self.url: 

119 parts.append("@ {0}".format(self.url)) 

120 

121 if self.marker: 

122 parts.append("; {0}".format(self.marker)) 

123 

124 return "".join(parts) 

125 

126 def __repr__(self): 

127 return "<Requirement({0!r})>".format(str(self))