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Viewing changes to bzrlib/commands.py

  • Committer: Martin Albisetti
  • Date: 2008-03-03 17:12:37 UTC
  • mto: (3350.1.1 integration)
  • mto: This revision was merged to the branch mainline in revision 3351.
  • Revision ID: beuno@beuno-laptop-20080303171237-x3ewkoecmv1ab2ue
Core code for automatic plugin suggestion

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bzrlib/commands.py
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    osutils,
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    trace,
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    win32utils,
 
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    registry,
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    )
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""")
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    cmd_obj = ExternalCommand.find_command(cmd_name)
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    if cmd_obj:
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        return cmd_obj
 
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    # look for plugins that provide this command but aren't installed
 
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    for provider in command_providers_registry:
 
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        try:
 
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            plugin_metadata = provider.plugin_for_command(cmd_name)
 
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        except errors.NoPluginAvailable:
 
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            pass
 
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        else:
 
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            raise errors.CommandAvailableInPlugin(cmd_name, plugin_metadata, provider)
 
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    raise KeyError
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            return [cmd]
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class Provider(object):
 
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    def plugin_for_command(self, cmd_name):
 
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        raise NotImplementedError
 
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class ProvidersRegistry(registry.Registry):
 
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    '''This registry exists to allow other providers to exist'''
 
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    def __iter__(self):
 
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        for key, provider in self.iteritems():
 
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            yield provider
 
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    pass
 
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command_providers_registry = ProvidersRegistry()
 
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if __name__ == '__main__':
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    sys.exit(main(sys.argv))