122 lines
4.3 KiB
Python
122 lines
4.3 KiB
Python
"""
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Help - handle !help commands by interrogating modules for help text
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Copyright (C) 2011 Mike Bloy <mike@bloy.org>
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This program is free software: you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation, either version 3 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program. If not, see <http://www.gnu.org/licenses/>.
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"""
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import re
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from Module import Module
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__author__ = "Mike Bloy <mike@bloy.org>"
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__date__ = "2011-01-08"
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class Help(Module):
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def __init__(self, irc, config, server):
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"""
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Upon creation, determine the save file location
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"""
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Module.__init__(self, irc, config, server)
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self.helpre = re.compile('^!help(\s+(\S+)(\s+(.+))?)?\s*$')
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def do(self, connection, event, nick, userhost, what, admin_unlocked):
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"""look for !help and subcommands,
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and dispatch for further processing"""
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match = self.helpre.search(what)
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if match:
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(module, key) = match.group(2,4)
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if (module == None):
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return self.reply(connection, event, self.handle_help_descriptions())
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elif (key == None):
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return self.reply(connection, event, self.handle_help_module(module))
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else:
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return self.reply(connection, event, self.handle_help_detail(module, key))
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def handle_help_descriptions(self):
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"""print the general help"""
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message = "General Help:\n"
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for module in self.irc.modlist:
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description = module.help_description()
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if description:
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message += " %s - %s\n" % (module.__class__.__name__,
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description)
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return message
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def handle_help_module(self, modname):
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"""handle the module level help processing"""
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module = self.find_module(modname)
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if module:
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helptext = module.help_summary()
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if helptext:
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return "%s - %s" % (modname, helptext)
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else:
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return "no help available for module %s" % (modname)
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else:
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return "no module named '%s' is loaded" % (modname)
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def handle_help_detail(self, modname, key):
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"""handle the help detail message"""
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module = self.find_module(modname)
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if module:
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helptext = module.help_detail(key)
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if helptext:
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return "%s (%s) - %s" % (modname, key, helptext)
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else:
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return "no help available for module '%s', command '%s'" % (modname, key)
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else:
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return "no module named '%s' is loaded" % (modname)
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return "asked for help on module %s detail %s" % (modname, key)
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def find_module(self, modname):
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"""find a module in the server's list of loaded modules"""
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for module in self.irc.modlist:
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if modname == module.__class__.__name__:
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return module
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return None
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def help_description(self):
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"""Return a quick list of commands or other summary, should be
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less than two lines. If you want the module hidden from "!help",
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return None here"""
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return "Display module and command help"
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def help_summary(self):
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"""Return a command summary or longer description of this module.
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If this returns None, the summary will be
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"no help available for module foo"
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"""
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return """!help [module [detail]]
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type '!help Help module' or '!help Help detail' for more information"""
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def help_detail(self, command):
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"""Return detailed help for the given command. Return None if there
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is no suitable help available"""
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if command == 'module':
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return """get a summary of a module's commands or function"""
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elif command == 'detail':
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return """get information on a specific module-defined detail"""
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else:
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return None
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if __name__ == "__main__":
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print "Hello World"
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# vi:tabstop=4:expandtab:autoindent
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