comparison mercurial/match.py @ 42186:fd384911f51b

match: use raw strings to avoid illegal baskslash escape

Python 3.8 was complaining about the invalid escape
sequences. Let's use raw strings to avoid the warning and
double baskslashes.

Differential Revision: https://phab.mercurial-scm.org/D6293

42185:ececa45c80d8

class patternmatcher(basematcher):
    """Matches a set of (kind, pat, source) against a 'root' directory.

    >>> kindpats = [
    ...     (b're', b'.*\.c$', b''),
    ...     (b'path', b'foo/a', b''),
    ...     (b'relpath', b'b', b''),
    ...     (b'glob', b'*.h', b''),
    ... ]
    >>> m = patternmatcher(b'foo', kindpats)

class exactmatcher(basematcher):
    r'''Matches the input files exactly. They are interpreted as paths, not
    patterns (so no kind-prefixes).

    >>> m = exactmatcher([b'a.txt', b're:.*\.c$'])
    >>> m(b'a.txt')
    True
    >>> m(b'b.txt')
    False

    ['a.txt', 're:.*\\.c$']

    So pattern 're:.*\.c$' is not considered as a regex, but as a file name
    >>> m(b'main.c')
    False
    >>> m(b're:.*\.c$')
    True
    '''

    def __init__(self, files, badfn=None):
        super(exactmatcher, self).__init__(badfn)

        return ('<unionmatcher matchers=%r>' % self._matchers)

def patkind(pattern, default=None):
    '''If pattern is 'kind:pat' with a known kind, return kind.

    >>> patkind(b're:.*\.c$')
    're'
    >>> patkind(b'glob:*.c')
    'glob'
    >>> patkind(b'relpath:test.py')
    'relpath'

42186:fd384911f51b

class patternmatcher(basematcher):
    """Matches a set of (kind, pat, source) against a 'root' directory.

    >>> kindpats = [
    ...     (b're', br'.*\.c$', b''),
    ...     (b'path', b'foo/a', b''),
    ...     (b'relpath', b'b', b''),
    ...     (b'glob', b'*.h', b''),
    ... ]
    >>> m = patternmatcher(b'foo', kindpats)

class exactmatcher(basematcher):
    r'''Matches the input files exactly. They are interpreted as paths, not
    patterns (so no kind-prefixes).

    >>> m = exactmatcher([b'a.txt', br're:.*\.c$'])
    >>> m(b'a.txt')
    True
    >>> m(b'b.txt')
    False

    ['a.txt', 're:.*\\.c$']

    So pattern 're:.*\.c$' is not considered as a regex, but as a file name
    >>> m(b'main.c')
    False
    >>> m(br're:.*\.c$')
    True
    '''

    def __init__(self, files, badfn=None):
        super(exactmatcher, self).__init__(badfn)

        return ('<unionmatcher matchers=%r>' % self._matchers)

def patkind(pattern, default=None):
    '''If pattern is 'kind:pat' with a known kind, return kind.

    >>> patkind(br're:.*\.c$')
    're'
    >>> patkind(b'glob:*.c')
    'glob'
    >>> patkind(b'relpath:test.py')
    'relpath'