view mercurial/repo.py @ 7874:d812029cda85

cleanup: drop variables for unused return values

They are unnecessary. I did leave them in localrepo.py where there is
something like:

  _junk = foo()
  _junk = None

to free memory early. I don't know if just `foo()` will free the return
value as early.

# repo.py - repository base classes for mercurial
#
# Copyright 2005, 2006 Matt Mackall <[e-mail]>
# Copyright 2006 Vadim Gelfer <[e-mail]>
#
# This software may be used and distributed according to the terms
# of the GNU General Public License, incorporated herein by reference.

from i18n import _
import error

class repository(object):
    def capable(self, name):
        '''tell whether repo supports named capability.
        return False if not supported.
        if boolean capability, return True.
        if string capability, return string.'''
        if name in self.capabilities:
            return True
        name_eq = name + '='
        for cap in self.capabilities:
            if cap.startswith(name_eq):
                return cap[len(name_eq):]
        return False

    def requirecap(self, name, purpose):
        '''raise an exception if the given capability is not present'''
        if not self.capable(name):
            raise error.CapabilityError(
                _('cannot %s; remote repository does not '
                  'support the %r capability') % (purpose, name))

    def local(self):
        return False

    def cancopy(self):
        return self.local()

    def rjoin(self, path):
        url = self.url()
        if url.endswith('/'):
            return url + path
        return url + '/' + path