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[config.git] / djavu-asus / elpy / rpc-venv / lib / python3.11 / site-packages / pathspec / gitignore.py

"""
This module provides :class:`.GitIgnoreSpec` which replicates
*.gitignore* behavior.
"""

from typing import (
	AnyStr,
	Callable,
	Collection,
	Iterable,
	Type,
	TypeVar,
	Union)

from .pathspec import (
	PathSpec)
from .pattern import (
	Pattern)
from .patterns.gitwildmatch import (
	GitWildMatchPattern,
	GitWildMatchPatternError,
	_DIR_MARK)
from .util import (
	_is_iterable)

Self = TypeVar("Self", bound="GitIgnoreSpec")
"""
:class:`GitIgnoreSpec` self type hint to support Python v<3.11 using PEP
673 recommendation.
"""


class GitIgnoreSpec(PathSpec):
	"""
	The :class:`GitIgnoreSpec` class extends :class:`PathSpec` to
	replicate *.gitignore* behavior.
	"""

	def __eq__(self, other: object) -> bool:
		"""
		Tests the equality of this gitignore-spec with *other*
		(:class:`GitIgnoreSpec`) by comparing their :attr:`~PathSpec.patterns`
		attributes. A non-:class:`GitIgnoreSpec` will not compare equal.
		"""
		if isinstance(other, GitIgnoreSpec):
			return super().__eq__(other)
		elif isinstance(other, PathSpec):
			return False
		else:
			return NotImplemented

	@classmethod
	def from_lines(
		cls: Type[Self],
		lines: Iterable[AnyStr],
		pattern_factory: Union[str, Callable[[AnyStr], Pattern], None] = None,
	) -> Self:
		"""
		Compiles the pattern lines.

		*lines* (:class:`~collections.abc.Iterable`) yields each uncompiled
		pattern (:class:`str`). This simply has to yield each line so it can
		be a :class:`io.TextIOBase` (e.g., from :func:`open` or
		:class:`io.StringIO`) or the result from :meth:`str.splitlines`.

		*pattern_factory* can be :data:`None`, the name of a registered
		pattern factory (:class:`str`), or a :class:`~collections.abc.Callable`
		used to compile patterns. The callable must accept an uncompiled
		pattern (:class:`str`) and return the compiled pattern (:class:`.Pattern`).
		Default is :data:`None` for :class:`.GitWildMatchPattern`).

		Returns the :class:`GitIgnoreSpec` instance.
		"""
		if pattern_factory is None:
			pattern_factory = GitWildMatchPattern

		elif (isinstance(lines, str) or callable(lines)) and _is_iterable(pattern_factory):
			# Support reversed order of arguments from PathSpec.
			pattern_factory, lines = lines, pattern_factory

		self = super().from_lines(pattern_factory, lines)
		return self  # type: ignore

	@staticmethod
	def _match_file(
		patterns: Collection[GitWildMatchPattern],
		file: str,
	) -> bool:
		"""
		Matches the file to the patterns.

		.. NOTE:: Subclasses of :class:`.PathSpec` may override this
		   method as an instance method. It does not have to be a static
		   method.

		*patterns* (:class:`~collections.abc.Iterable` of :class:`~pathspec.pattern.Pattern`)
		contains the patterns to use.

		*file* (:class:`str`) is the normalized file path to be matched
		against *patterns*.

		Returns :data:`True` if *file* matched; otherwise, :data:`False`.
		"""
		out_matched = False
		out_priority = 0
		for pattern in patterns:
			if pattern.include is not None:
				match = pattern.match_file(file)
				if match is not None:
					# Pattern matched.

					# Check for directory marker.
					try:
						dir_mark = match.match.group(_DIR_MARK)
					except IndexError as e:
						# NOTICE: The exact content of this error message is subject
						# to change.
						raise GitWildMatchPatternError((
							f"Invalid git pattern: directory marker regex group is missing. "
							f"Debug: file={file!r} regex={pattern.regex!r} "
							f"group={_DIR_MARK!r} match={match.match!r}."
						)) from e

					if dir_mark:
						# Pattern matched by a directory pattern.
						priority = 1
					else:
						# Pattern matched by a file pattern.
						priority = 2

					if pattern.include and dir_mark:
						out_matched = pattern.include
						out_priority = priority
					elif priority >= out_priority:
						out_matched = pattern.include
						out_priority = priority

		return out_matched