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Directory :  /lib/python3/dist-packages/ansible_test/_internal/commands/sanity/

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Current File : /lib/python3/dist-packages/ansible_test/_internal/commands/sanity/pep8.py
"""Sanity test for PEP 8 style guidelines using pycodestyle."""
from __future__ import annotations

import os
import typing as t

from . import (
    SanitySingleVersion,
    SanityMessage,
    SanityFailure,
    SanitySuccess,
    SanityTargets,
    SANITY_ROOT,
)

from ...test import (
    TestResult,
)

from ...target import (
    TestTarget,
)

from ...util import (
    SubprocessError,
    read_lines_without_comments,
    parse_to_list_of_dict,
    is_subdir,
)

from ...util_common import (
    run_command,
)

from ...config import (
    SanityConfig,
)

from ...host_configs import (
    PythonConfig,
)


class Pep8Test(SanitySingleVersion):
    """Sanity test for PEP 8 style guidelines using pycodestyle."""

    @property
    def error_code(self) -> t.Optional[str]:
        """Error code for ansible-test matching the format used by the underlying test program, or None if the program does not use error codes."""
        return 'A100'

    def filter_targets(self, targets: list[TestTarget]) -> list[TestTarget]:
        """Return the given list of test targets, filtered to include only those relevant for the test."""
        return [target for target in targets if os.path.splitext(target.path)[1] == '.py' or is_subdir(target.path, 'bin')]

    def test(self, args: SanityConfig, targets: SanityTargets, python: PythonConfig) -> TestResult:
        current_ignore_file = os.path.join(SANITY_ROOT, 'pep8', 'current-ignore.txt')
        current_ignore = sorted(read_lines_without_comments(current_ignore_file, remove_blank_lines=True))

        settings = self.load_processor(args)

        paths = [target.path for target in targets.include]

        cmd = [
            python.path,
            '-m', 'pycodestyle',
            '--max-line-length', '160',
            '--config', '/dev/null',
            '--ignore', ','.join(sorted(current_ignore)),
        ] + paths  # fmt: skip

        if paths:
            try:
                stdout, stderr = run_command(args, cmd, capture=True)
                status = 0
            except SubprocessError as ex:
                stdout = ex.stdout
                stderr = ex.stderr
                status = ex.status

            if stderr:
                raise SubprocessError(cmd=cmd, status=status, stderr=stderr, stdout=stdout)
        else:
            stdout = None

        if args.explain:
            return SanitySuccess(self.name)

        if stdout:
            pattern = '^(?P<path>[^:]*):(?P<line>[0-9]+):(?P<column>[0-9]+): (?P<code>[WE][0-9]{3}) (?P<message>.*)$'

            results = parse_to_list_of_dict(pattern, stdout)
        else:
            results = []

        messages = [SanityMessage(
            message=r['message'],
            path=r['path'],
            line=int(r['line']),
            column=int(r['column']),
            level='warning' if r['code'].startswith('W') else 'error',
            code=r['code'],
        ) for r in results]

        errors = settings.process_errors(messages, paths)

        if errors:
            return SanityFailure(self.name, messages=errors)

        return SanitySuccess(self.name)

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