215 lines
6.9 KiB
Python
215 lines
6.9 KiB
Python
# Nemubot is a smart and modulable IM bot.
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# Copyright (C) 2012-2016 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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def main():
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import functools
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import os
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import signal
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import sys
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# Parse command line arguments
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import argparse
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parser = argparse.ArgumentParser()
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parser.add_argument("-a", "--no-connect", action="store_true",
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help="disable auto-connect to servers at startup")
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parser.add_argument("-v", "--verbose", action="count",
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default=0,
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help="verbosity level")
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parser.add_argument("-V", "--version", action="store_true",
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help="display nemubot version and exit")
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parser.add_argument("-M", "--modules-path", nargs='*',
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default=["./modules/"],
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help="directory to use as modules store")
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parser.add_argument("-d", "--debug", action="store_true",
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help="don't deamonize, keep in foreground")
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parser.add_argument("-P", "--pidfile", default="./nemubot.pid",
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help="Path to the file where store PID")
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parser.add_argument("-S", "--socketfile", default="./nemubot.sock",
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help="path where open the socket for internal communication")
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parser.add_argument("-l", "--logfile", default="./nemubot.log",
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help="Path to store logs")
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parser.add_argument("-m", "--module", nargs='*',
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help="load given modules")
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parser.add_argument("-D", "--data-path", default="./datas/",
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help="path to use to save bot data")
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parser.add_argument('files', metavar='FILE', nargs='*',
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help="configuration files to load")
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args = parser.parse_args()
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import nemubot
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if args.version:
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print(nemubot.__version__)
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sys.exit(0)
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# Resolve relatives paths
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args.data_path = os.path.abspath(os.path.expanduser(args.data_path))
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args.pidfile = os.path.abspath(os.path.expanduser(args.pidfile))
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args.socketfile = os.path.abspath(os.path.expanduser(args.socketfile))
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args.logfile = os.path.abspath(os.path.expanduser(args.logfile))
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args.files = [x for x in map(os.path.abspath, args.files)]
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args.modules_path = [x for x in map(os.path.abspath, args.modules_path)]
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# Check if an instance is already launched
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if args.pidfile is not None and os.path.isfile(args.pidfile):
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with open(args.pidfile, "r") as f:
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pid = int(f.readline())
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try:
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os.kill(pid, 0)
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except OSError:
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pass
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else:
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from nemubot import attach
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sys.exit(attach(pid, args.socketfile))
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# Daemonize
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if not args.debug:
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from nemubot import daemonize
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daemonize()
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# Store PID to pidfile
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if args.pidfile is not None:
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with open(args.pidfile, "w+") as f:
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f.write(str(os.getpid()))
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# Setup logging interface
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import logging
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logger = logging.getLogger("nemubot")
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logger.setLevel(logging.DEBUG)
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formatter = logging.Formatter(
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'%(asctime)s %(name)s %(levelname)s %(message)s')
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if args.debug:
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ch = logging.StreamHandler()
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ch.setFormatter(formatter)
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if args.verbose < 2:
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ch.setLevel(logging.INFO)
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logger.addHandler(ch)
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fh = logging.FileHandler(args.logfile)
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fh.setFormatter(formatter)
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logger.addHandler(fh)
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# Add modules dir paths
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modules_paths = list()
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for path in args.modules_path:
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if os.path.isdir(path):
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modules_paths.append(path)
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else:
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logger.error("%s is not a directory", path)
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# Create bot context
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from nemubot import datastore
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from nemubot.bot import Bot#, sync_act
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context = Bot()
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if args.no_connect:
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context.noautoconnect = True
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# Register the hook for futur import
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#from nemubot.importer import ModuleFinder
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#module_finder = ModuleFinder(modules_paths, context.add_module)
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#sys.meta_path.append(module_finder)
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# Load requested configuration files
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#for path in args.files:
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# if os.path.isfile(path):
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# sync_act("loadconf", path)
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# else:
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# logger.error("%s is not a readable file", path)
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if args.module:
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for module in args.module:
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__import__(module)
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# Signals handling ################################################
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# SIGINT and SIGTERM
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def ask_exit(signame):
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"""On SIGTERM and SIGINT, quit nicely"""
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context.stop()
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for sig in (signal.SIGINT, signal.SIGTERM):
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context._loop.add_signal_handler(sig, functools.partial(ask_exit, sig))
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# SIGHUP
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def ask_reload():
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"""Perform a deep reload"""
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nonlocal context
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logger.debug("SIGHUP receive, iniate reload procedure...")
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# Reload configuration file
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#for path in args.files:
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# if os.path.isfile(path):
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# sync_act("loadconf", path)
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context._loop.add_signal_handler(signal.SIGHUP, ask_reload)
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# SIGUSR1
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def ask_debug_info():
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"""Display debug informations and stacktraces"""
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import threading, traceback
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for threadId, stack in sys._current_frames().items():
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thName = "#%d" % threadId
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for th in threading.enumerate():
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if th.ident == threadId:
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thName = th.name
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break
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logger.debug("########### Thread %s:\n%s",
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thName,
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"".join(traceback.format_stack(stack)))
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context._loop.add_signal_handler(signal.SIGUSR1, ask_debug_info)
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#if args.socketfile:
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# from nemubot.server.socket import UnixSocketListener
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# context.add_server(UnixSocketListener(new_server_cb=context.add_server,
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# location=args.socketfile,
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# name="master_socket"))
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# context can change when performing an hotswap, always join the latest context
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oldcontext = None
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while oldcontext != context:
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oldcontext = context
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context.run()
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# Wait for consumers
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logger.info("Waiting for other threads shuts down...")
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if args.debug:
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ask_debug_info()
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sys.exit(0)
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if __name__ == "__main__":
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main()
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