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Viewing changes to bzrlib/commands.py

  • Committer: Jelmer Vernooij
  • Date: 2011-02-20 13:34:07 UTC
  • mto: (5622.4.1 uninstall-hook)
  • mto: This revision was merged to the branch mainline in revision 5747.
  • Revision ID: jelmer@samba.org-20110220133407-zhgrvuhhc1e3j2fn
Add more lazily usable hook points.

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bzrlib/commands.py
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    )
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""")
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from bzrlib.hooks import HookPoint, Hooks
 
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from bzrlib.hooks import Hooks
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# Compatibility - Option used to be in commands.
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from bzrlib.option import Option
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from bzrlib.plugin import disable_plugins, load_plugins
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class CommandHooks(Hooks):
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    """Hooks related to Command object creation/enumeration."""
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    def __init__(self):
 
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    def __init__(self, module_name, member_name):
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        """Create the default hooks.
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        These are all empty initially, because by default nothing should get
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        notified.
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        """
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        Hooks.__init__(self)
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        self.create_hook(HookPoint('extend_command',
 
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        Hooks.__init__(self, module_name, member_name)
 
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        self.add_hook('extend_command',
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            "Called after creating a command object to allow modifications "
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            "such as adding or removing options, docs etc. Called with the "
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            "new bzrlib.commands.Command object.", (1, 13), None))
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        self.create_hook(HookPoint('get_command',
 
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            "new bzrlib.commands.Command object.", (1, 13))
 
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        self.add_hook('get_command',
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            "Called when creating a single command. Called with "
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            "(cmd_or_None, command_name). get_command should either return "
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            "the cmd_or_None parameter, or a replacement Command object that "
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            "should be used for the command. Note that the Command.hooks "
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            "hooks are core infrastructure. Many users will prefer to use "
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            "bzrlib.commands.register_command or plugin_cmds.register_lazy.",
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            (1, 17), None))
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        self.create_hook(HookPoint('get_missing_command',
 
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            (1, 17))
 
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        self.add_hook('get_missing_command',
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            "Called when creating a single command if no command could be "
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            "found. Called with (command_name). get_missing_command should "
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            "either return None, or a Command object to be used for the "
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            "command.", (1, 17), None))
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        self.create_hook(HookPoint('list_commands',
 
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            "command.", (1, 17))
 
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        self.add_hook('list_commands',
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            "Called when enumerating commands. Called with a set of "
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            "cmd_name strings for all the commands found so far. This set "
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            " is safe to mutate - e.g. to remove a command. "
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            "list_commands should return the updated set of command names.",
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            (1, 17), None))
 
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            (1, 17))
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Command.hooks = CommandHooks()
 
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Command.hooks = CommandHooks("bzrlib.commands", "Command.hooks")
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def parse_args(command, argv, alias_argv=None):