134 lines
4.5 KiB
Python
134 lines
4.5 KiB
Python
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# -*- coding: utf-8 -*-
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# Nemubot is a modulable IRC bot, built around XML configuration files.
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# Copyright (C) 2012 Mercier Pierre-Olivier
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#
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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 Affero 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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#
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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 Affero General Public License for more details.
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#
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# You should have received a copy of the GNU Affero General Public License
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# along with this program. If not, see <http://www.gnu.org/licenses/>.
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import logging
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import os
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import xmlparser
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logger = logging.getLogger("nemubot.tools.config")
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def get_boolean(d, k, default=False):
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return ((k in d and d[k].lower() != "false" and d[k].lower() != "off") or
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(k not in d and default))
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def _load_server(config, xmlnode):
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"""Load a server configuration
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Arguments:
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config -- the global configuration
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xmlnode -- the current server configuration node
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"""
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opts = {
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"host": xmlnode["host"],
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"ssl": xmlnode.hasAttribute("ssl") and xmlnode["ssl"].lower() == "true",
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"nick": xmlnode["nick"] if xmlnode.hasAttribute("nick") else config["nick"],
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"owner": xmlnode["owner"] if xmlnode.hasAttribute("owner") else config["owner"],
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}
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# Optional keyword arguments
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for optional_opt in [ "port", "username", "realname",
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"password", "encoding", "caps" ]:
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if xmlnode.hasAttribute(optional_opt):
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opts[optional_opt] = xmlnode[optional_opt]
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elif optional_opt in config:
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opts[optional_opt] = config[optional_opt]
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# Command to send on connection
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if "on_connect" in xmlnode:
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def on_connect():
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yield xmlnode["on_connect"]
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opts["on_connect"] = on_connect
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# Channels to autojoin on connection
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if xmlnode.hasNode("channel"):
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opts["channels"] = list()
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for chn in xmlnode.getNodes("channel"):
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opts["channels"].append((chn["name"], chn["password"])
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if chn["password"] is not None
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else chn["name"])
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# Server/client capabilities
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if "caps" in xmlnode or "caps" in config:
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capsl = (xmlnode["caps"] if xmlnode.hasAttribute("caps")
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else config["caps"]).lower()
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if capsl == "no" or capsl == "off" or capsl == "false":
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opts["caps"] = None
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else:
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opts["caps"] = capsl.split(',')
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else:
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opts["caps"] = list()
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# Bind the protocol asked to the corresponding implementation
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if "protocol" not in xmlnode or xmlnode["protocol"] == "irc":
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from server.IRC import IRC as IRCServer
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srvcls = IRCServer
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else:
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raise Exception("Unhandled protocol '%s'" %
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xmlnode["protocol"])
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# Initialize the server
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return srvcls(**opts)
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def load_file(filename, context):
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"""Load the configuration file
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Arguments:
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filename -- the path to the file to load
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"""
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if os.path.isfile(filename):
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config = xmlparser.parse_file(filename)
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# This is a true nemubot configuration file, load it!
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if config.getName() == "nemubotconfig":
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# Preset each server in this file
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for server in config.getNodes("server"):
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srv = _load_server(config, server)
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# Add the server in the context
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if context.add_server(srv, get_boolean(server, "autoconnect")):
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print("Server '%s' successfully added." % srv.id)
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else:
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print("Can't add server '%s'." % srv.id)
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# Load module and their configuration
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for mod in config.getNodes("module"):
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context.modules_configuration[mod["name"]] = mod
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if get_boolean(mod, "autoload", default=True):
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__import__(mod["name"])
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# Load files asked by the configuration file
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for load in config.getNodes("include"):
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load_file(load["path"], context)
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# Other formats
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else:
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print (" Can't load `%s'; this is not a valid nemubot "
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"configuration file." % filename)
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# Unexisting file, assume a name was passed, import the module!
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else:
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tt = __import__(filename)
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imp.reload(tt)
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