mercurial/repo.py
author Martin Geisler <mg@aragost.com>
Mon, 29 Nov 2010 16:17:05 +0100
changeset 13143 c2e55c21db27
parent 12035 ff1044230bca
child 13382 d747774ca9da
permissions -rw-r--r--
archive: add support for progress extension
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# repo.py - repository base classes for mercurial
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#
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# Copyright 2005, 2006 Matt Mackall <mpm@selenic.com>
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# Copyright 2006 Vadim Gelfer <vadim.gelfer@gmail.com>
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#
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# This software may be used and distributed according to the terms of the
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# GNU General Public License version 2 or any later version.
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from i18n import _
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import error
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class repository(object):
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    def capable(self, name):
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        '''tell whether repo supports named capability.
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        return False if not supported.
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        if boolean capability, return True.
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        if string capability, return string.'''
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        if name in self.capabilities:
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            return True
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        name_eq = name + '='
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        for cap in self.capabilities:
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            if cap.startswith(name_eq):
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                return cap[len(name_eq):]
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        return False
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    def requirecap(self, name, purpose):
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        '''raise an exception if the given capability is not present'''
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        if not self.capable(name):
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            raise error.CapabilityError(
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                _('cannot %s; remote repository does not '
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                  'support the %r capability') % (purpose, name))
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    def local(self):
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        return False
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    def cancopy(self):
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        return self.local()