comparison mercurial/util.py @ 14077:c285bdb0572a

util.url: copy urllib.unquote() into util to improve startup times

The ui class uses util.hasscheme() in a couple of places, causing hg
to import urllib even when it doesn't need to. This copies
urllib.unquote() to avoid that import.

perfstartup time before the URL refactoring (8796fb6af67e):

! wall 0.050692 comb 0.000000 user 0.000000 sys 0.000000 (best of 100)

before this change:

! wall 0.064742 comb 0.000000 user 0.000000 sys 0.000000 (best of 100)

after this change:

! wall 0.052126 comb 0.000000 user 0.000000 sys 0.000000 (best of 100

14076:924c82157d46

    If s is not a valid boolean, returns None.
    """
    return _booleans.get(s.lower(), None)

class url(object):
    """Reliable URL parser.

    This parses URLs and provides attributes for the following
    components:

        for a in ('user', 'passwd', 'host', 'port',
                  'path', 'query', 'fragment'):
            v = getattr(self, a)
            if v is not None:
                setattr(self, a, urllib.unquote(v))

    def __repr__(self):
        attrs = []
        for a in ('scheme', 'user', 'passwd', 'host', 'port', 'path',
                  'query', 'fragment'):

14077:c285bdb0572a

    If s is not a valid boolean, returns None.
    """
    return _booleans.get(s.lower(), None)

_hexdig = '0123456789ABCDEFabcdef'
_hextochr = dict((a + b, chr(int(a + b, 16)))
                 for a in _hexdig for b in _hexdig)

def _urlunquote(s):
    """unquote('abc%20def') -> 'abc def'."""
    res = s.split('%')
    # fastpath
    if len(res) == 1:
        return s
    s = res[0]
    for item in res[1:]:
        try:
            s += _hextochr[item[:2]] + item[2:]
        except KeyError:
            s += '%' + item
        except UnicodeDecodeError:
            s += unichr(int(item[:2], 16)) + item[2:]
    return s

class url(object):
    """Reliable URL parser.

    This parses URLs and provides attributes for the following
    components:

        for a in ('user', 'passwd', 'host', 'port',
                  'path', 'query', 'fragment'):
            v = getattr(self, a)
            if v is not None:
                setattr(self, a, _urlunquote(v))

    def __repr__(self):
        attrs = []
        for a in ('scheme', 'user', 'passwd', 'host', 'port', 'path',
                  'query', 'fragment'):