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[config.git] / djavu-asus / elpy / rpc-venv / lib / python3.11 / site-packages / pathspec / gitignore.py
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DC
1"""
2This module provides :class:`.GitIgnoreSpec` which replicates
3*.gitignore* behavior.
4"""
5
6from typing import (
7 AnyStr,
8 Callable,
9 Collection,
10 Iterable,
11 Type,
12 TypeVar,
13 Union)
14
15from .pathspec import (
16 PathSpec)
17from .pattern import (
18 Pattern)
19from .patterns.gitwildmatch import (
20 GitWildMatchPattern,
21 GitWildMatchPatternError,
22 _DIR_MARK)
23from .util import (
24 _is_iterable)
25
26Self = TypeVar("Self", bound="GitIgnoreSpec")
27"""
28:class:`GitIgnoreSpec` self type hint to support Python v<3.11 using PEP
29673 recommendation.
30"""
31
32
33class GitIgnoreSpec(PathSpec):
34 """
35 The :class:`GitIgnoreSpec` class extends :class:`PathSpec` to
36 replicate *.gitignore* behavior.
37 """
38
39 def __eq__(self, other: object) -> bool:
40 """
41 Tests the equality of this gitignore-spec with *other*
42 (:class:`GitIgnoreSpec`) by comparing their :attr:`~PathSpec.patterns`
43 attributes. A non-:class:`GitIgnoreSpec` will not compare equal.
44 """
45 if isinstance(other, GitIgnoreSpec):
46 return super().__eq__(other)
47 elif isinstance(other, PathSpec):
48 return False
49 else:
50 return NotImplemented
51
52 @classmethod
53 def from_lines(
54 cls: Type[Self],
55 lines: Iterable[AnyStr],
56 pattern_factory: Union[str, Callable[[AnyStr], Pattern], None] = None,
57 ) -> Self:
58 """
59 Compiles the pattern lines.
60
61 *lines* (:class:`~collections.abc.Iterable`) yields each uncompiled
62 pattern (:class:`str`). This simply has to yield each line so it can
63 be a :class:`io.TextIOBase` (e.g., from :func:`open` or
64 :class:`io.StringIO`) or the result from :meth:`str.splitlines`.
65
66 *pattern_factory* can be :data:`None`, the name of a registered
67 pattern factory (:class:`str`), or a :class:`~collections.abc.Callable`
68 used to compile patterns. The callable must accept an uncompiled
69 pattern (:class:`str`) and return the compiled pattern (:class:`.Pattern`).
70 Default is :data:`None` for :class:`.GitWildMatchPattern`).
71
72 Returns the :class:`GitIgnoreSpec` instance.
73 """
74 if pattern_factory is None:
75 pattern_factory = GitWildMatchPattern
76
77 elif (isinstance(lines, str) or callable(lines)) and _is_iterable(pattern_factory):
78 # Support reversed order of arguments from PathSpec.
79 pattern_factory, lines = lines, pattern_factory
80
81 self = super().from_lines(pattern_factory, lines)
82 return self # type: ignore
83
84 @staticmethod
85 def _match_file(
86 patterns: Collection[GitWildMatchPattern],
87 file: str,
88 ) -> bool:
89 """
90 Matches the file to the patterns.
91
92 .. NOTE:: Subclasses of :class:`.PathSpec` may override this
93 method as an instance method. It does not have to be a static
94 method.
95
96 *patterns* (:class:`~collections.abc.Iterable` of :class:`~pathspec.pattern.Pattern`)
97 contains the patterns to use.
98
99 *file* (:class:`str`) is the normalized file path to be matched
100 against *patterns*.
101
102 Returns :data:`True` if *file* matched; otherwise, :data:`False`.
103 """
104 out_matched = False
105 out_priority = 0
106 for pattern in patterns:
107 if pattern.include is not None:
108 match = pattern.match_file(file)
109 if match is not None:
110 # Pattern matched.
111
112 # Check for directory marker.
113 try:
114 dir_mark = match.match.group(_DIR_MARK)
115 except IndexError as e:
116 # NOTICE: The exact content of this error message is subject
117 # to change.
118 raise GitWildMatchPatternError((
119 f"Invalid git pattern: directory marker regex group is missing. "
120 f"Debug: file={file!r} regex={pattern.regex!r} "
121 f"group={_DIR_MARK!r} match={match.match!r}."
122 )) from e
123
124 if dir_mark:
125 # Pattern matched by a directory pattern.
126 priority = 1
127 else:
128 # Pattern matched by a file pattern.
129 priority = 2
130
131 if pattern.include and dir_mark:
132 out_matched = pattern.include
133 out_priority = priority
134 elif priority >= out_priority:
135 out_matched = pattern.include
136 out_priority = priority
137
138 return out_matched