+
−# repo.py - repository base classes for mercurial
+
−#
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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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−# 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()
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−
+
−    def close(self):
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−        pass