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  • Committer: Robert Collins
  • Date: 2007-04-20 00:06:46 UTC
  • mto: This revision was merged to the branch mainline in revision 2441.
  • Revision ID: robertc@robertcollins.net-20070420000646-nwrkgumqaykrg1lz
Create a HelpContexts object to do help lookups.

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bzrlib/help.py
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import textwrap
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from bzrlib import (
 
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    commands as _mod_commands,
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    help_topics,
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    osutils,
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    )
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def help_on_command(cmdname, outfile=None):
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    from bzrlib.commands import get_cmd_object
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    cmdname = str(cmdname)
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    cmd_object = get_cmd_object(cmdname)
 
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    cmd_object = _mod_commands.get_cmd_object(cmdname)
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    return help_on_command_object(cmd_object, cmdname, outfile)
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def _help_commands_to_text(topic):
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    """Generate the help text for the list of commands"""
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    from bzrlib.commands import (builtin_command_names,
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                                 plugin_command_names,
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                                 get_cmd_object)
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    out = []
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    if topic == 'hidden-commands':
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        hidden = True
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    else:
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        hidden = False
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    names = set(builtin_command_names()) # to eliminate duplicates
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    names.update(plugin_command_names())
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    commands = ((n, get_cmd_object(n)) for n in names)
 
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    names = set(_mod_commands.builtin_command_names()) # to eliminate duplicates
 
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    names.update(_mod_commands.plugin_command_names())
 
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    commands = ((n, _mod_commands.get_cmd_object(n)) for n in names)
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    shown_commands = [(n, o) for n, o in commands if o.hidden == hidden]
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    max_name = max(len(n) for n, o in shown_commands)
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    indent = ' ' * (max_name + 1)
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help_topics.topic_registry.register("hidden-commands",
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                                    _help_commands_to_text,
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                                    "All hidden commands")
 
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class HelpContexts(object):
 
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    """An object to manage help in multiple contexts."""
 
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    def __init__(self):
 
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        self.search_path = [
 
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            help_topics.HelpTopicContext(),
 
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            _mod_commands.HelpCommandContext(),
 
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            ]