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- """Contains the Violation error class used internally."""
- from __future__ import annotations
- import functools
- import linecache
- import logging
- from typing import Match
- from typing import NamedTuple
- from flake8 import defaults
- from flake8 import utils
- LOG = logging.getLogger(__name__)
- @functools.lru_cache(maxsize=512)
- def _find_noqa(physical_line: str) -> Match[str] | None:
- return defaults.NOQA_INLINE_REGEXP.search(physical_line)
- class Violation(NamedTuple):
- """Class representing a violation reported by Flake8."""
- code: str
- filename: str
- line_number: int
- column_number: int
- text: str
- physical_line: str | None
- def is_inline_ignored(self, disable_noqa: bool) -> bool:
- """Determine if a comment has been added to ignore this line.
- :param disable_noqa:
- Whether or not users have provided ``--disable-noqa``.
- :returns:
- True if error is ignored in-line, False otherwise.
- """
- physical_line = self.physical_line
- # TODO(sigmavirus24): Determine how to handle stdin with linecache
- if disable_noqa:
- return False
- if physical_line is None:
- physical_line = linecache.getline(self.filename, self.line_number)
- noqa_match = _find_noqa(physical_line)
- if noqa_match is None:
- LOG.debug("%r is not inline ignored", self)
- return False
- codes_str = noqa_match.groupdict()["codes"]
- if codes_str is None:
- LOG.debug("%r is ignored by a blanket ``# noqa``", self)
- return True
- codes = set(utils.parse_comma_separated_list(codes_str))
- if self.code in codes or self.code.startswith(tuple(codes)):
- LOG.debug(
- "%r is ignored specifically inline with ``# noqa: %s``",
- self,
- codes_str,
- )
- return True
- LOG.debug(
- "%r is not ignored inline with ``# noqa: %s``", self, codes_str
- )
- return False
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