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: / usr / lib / python3.12 / zipfile / _path /
Filename : glob.py
back
import re


def translate(pattern):
    return match_dirs(translate_core(pattern))


def match_dirs(pattern):
    """
    Ensure that zipfile.Path directory names are matched.

    zipfile.Path directory names always end in a slash.
    """
    return rf'{pattern}[/]?'


def translate_core(pattern):
    r"""
    Given a glob pattern, produce a regex that matches it.

    >>> translate('*.txt')
    '[^/]*\\.txt'
    >>> translate('a?txt')
    'a.txt'
    >>> translate('**/*')
    '.*/[^/]*'
    """
    return ''.join(map(replace, separate(pattern)))


def separate(pattern):
    """
    Separate out character sets to avoid translating their contents.

    >>> [m.group(0) for m in separate('*.txt')]
    ['*.txt']
    >>> [m.group(0) for m in separate('a[?]txt')]
    ['a', '[?]', 'txt']
    """
    return re.finditer(r'([^\[]+)|(?P<set>[\[].*?[\]])|([\[][^\]]*$)', pattern)


def replace(match):
    """
    Perform the replacements for a match from :func:`separate`.
    """

    return match.group('set') or (
        re.escape(match.group(0))
        .replace('\\*\\*', r'.*')
        .replace('\\*', r'[^/]*')
        .replace('\\?', r'.')
    )