280 lines
9.5 KiB
Python
280 lines
9.5 KiB
Python
# Nemubot is a smart and modulable IM bot.
|
|
# Copyright (C) 2012-2017 Mercier Pierre-Olivier
|
|
#
|
|
# This program is free software: you can redistribute it and/or modify
|
|
# it under the terms of the GNU Affero General Public License as published by
|
|
# the Free Software Foundation, either version 3 of the License, or
|
|
# (at your option) any later version.
|
|
#
|
|
# This program is distributed in the hope that it will be useful,
|
|
# but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
|
# GNU Affero General Public License for more details.
|
|
#
|
|
# You should have received a copy of the GNU Affero General Public License
|
|
# along with this program. If not, see <http://www.gnu.org/licenses/>.
|
|
|
|
def main():
|
|
import os
|
|
import signal
|
|
import sys
|
|
|
|
# Parse command line arguments
|
|
import argparse
|
|
parser = argparse.ArgumentParser()
|
|
|
|
parser.add_argument("-a", "--no-connect", action="store_true",
|
|
help="disable auto-connect to servers at startup")
|
|
|
|
parser.add_argument("-v", "--verbose", action="count",
|
|
default=0,
|
|
help="verbosity level")
|
|
|
|
parser.add_argument("-V", "--version", action="store_true",
|
|
help="display nemubot version and exit")
|
|
|
|
parser.add_argument("-M", "--modules-path", nargs='*',
|
|
default=["./modules/"],
|
|
help="directory to use as modules store")
|
|
|
|
parser.add_argument("-A", "--no-attach", action="store_true",
|
|
help="don't attach after fork")
|
|
|
|
parser.add_argument("-d", "--debug", action="store_true",
|
|
help="don't deamonize, keep in foreground")
|
|
|
|
parser.add_argument("-P", "--pidfile", default="./nemubot.pid",
|
|
help="Path to the file where store PID")
|
|
|
|
parser.add_argument("-S", "--socketfile", default="./nemubot.sock",
|
|
help="path where open the socket for internal communication")
|
|
|
|
parser.add_argument("-l", "--logfile", default="./nemubot.log",
|
|
help="Path to store logs")
|
|
|
|
parser.add_argument("-m", "--module", nargs='*',
|
|
help="load given modules")
|
|
|
|
parser.add_argument("-D", "--data-path", default="./datas/",
|
|
help="path to use to save bot data")
|
|
|
|
parser.add_argument('files', metavar='FILE', nargs='*',
|
|
help="configuration files to load")
|
|
|
|
args = parser.parse_args()
|
|
|
|
import nemubot
|
|
|
|
if args.version:
|
|
print(nemubot.__version__)
|
|
sys.exit(0)
|
|
|
|
# Resolve relatives paths
|
|
args.data_path = os.path.abspath(os.path.expanduser(args.data_path))
|
|
args.pidfile = os.path.abspath(os.path.expanduser(args.pidfile)) if args.pidfile is not None and args.pidfile != "" else None
|
|
args.socketfile = os.path.abspath(os.path.expanduser(args.socketfile)) if args.socketfile is not None and args.socketfile != "" else None
|
|
args.logfile = os.path.abspath(os.path.expanduser(args.logfile))
|
|
args.files = [x for x in map(os.path.abspath, args.files)]
|
|
args.modules_path = [x for x in map(os.path.abspath, args.modules_path)]
|
|
|
|
# Prepare the attached client, before setting other stuff
|
|
if not args.debug and not args.no_attach and args.socketfile is not None and args.pidfile is not None:
|
|
try:
|
|
pid = os.fork()
|
|
if pid > 0:
|
|
import time
|
|
os.waitpid(pid, 0)
|
|
time.sleep(1)
|
|
from nemubot import attach
|
|
sys.exit(attach(args.pidfile, args.socketfile))
|
|
except OSError as err:
|
|
sys.stderr.write("Unable to fork: %s\n" % err)
|
|
sys.exit(1)
|
|
|
|
# Setup logging interface
|
|
import logging
|
|
logger = logging.getLogger("nemubot")
|
|
logger.setLevel(logging.DEBUG)
|
|
|
|
formatter = logging.Formatter(
|
|
'%(asctime)s %(name)s %(levelname)s %(message)s')
|
|
|
|
if args.debug:
|
|
ch = logging.StreamHandler()
|
|
ch.setFormatter(formatter)
|
|
if args.verbose < 2:
|
|
ch.setLevel(logging.INFO)
|
|
logger.addHandler(ch)
|
|
|
|
fh = logging.FileHandler(args.logfile)
|
|
fh.setFormatter(formatter)
|
|
logger.addHandler(fh)
|
|
|
|
# Check if an instance is already launched
|
|
if args.pidfile is not None and os.path.isfile(args.pidfile):
|
|
with open(args.pidfile, "r") as f:
|
|
pid = int(f.readline())
|
|
try:
|
|
os.kill(pid, 0)
|
|
except OSError:
|
|
pass
|
|
else:
|
|
from nemubot import attach
|
|
sys.exit(attach(args.pidfile, args.socketfile))
|
|
|
|
# Add modules dir paths
|
|
modules_paths = list()
|
|
for path in args.modules_path:
|
|
if os.path.isdir(path):
|
|
modules_paths.append(path)
|
|
else:
|
|
logger.error("%s is not a directory", path)
|
|
|
|
# Create bot context
|
|
from nemubot import datastore
|
|
from nemubot.bot import Bot
|
|
context = Bot(modules_paths=modules_paths,
|
|
data_store=datastore.XML(args.data_path),
|
|
debug=args.verbose > 0)
|
|
|
|
if args.no_connect:
|
|
context.noautoconnect = True
|
|
|
|
# Register the hook for futur import
|
|
from nemubot.importer import ModuleFinder
|
|
module_finder = ModuleFinder(context.modules_paths, context.add_module)
|
|
sys.meta_path.append(module_finder)
|
|
|
|
# Load requested configuration files
|
|
for path in args.files:
|
|
if not os.path.isfile(path):
|
|
logger.error("%s is not a readable file", path)
|
|
continue
|
|
|
|
config = load_config(path)
|
|
|
|
# Preset each server in this file
|
|
for server in config.servers:
|
|
# Add the server in the context
|
|
for i in [0,1,2,3]:
|
|
srv = server.server(config, trynb=i)
|
|
try:
|
|
if context.add_server(srv):
|
|
logger.info("Server '%s' successfully added.", srv.name)
|
|
else:
|
|
logger.error("Can't add server '%s'.", srv.name)
|
|
except:
|
|
logger.error("Unable to connect to '%s'.", srv.name)
|
|
continue
|
|
break
|
|
|
|
# Load module and their configuration
|
|
for mod in config.modules:
|
|
context.modules_configuration[mod.name] = mod
|
|
if mod.autoload:
|
|
try:
|
|
__import__("nemubot.module." + mod.name)
|
|
except:
|
|
logger.exception("Exception occurs when loading module"
|
|
" '%s'", mod.name)
|
|
|
|
# Load files asked by the configuration file
|
|
args.files += config.includes
|
|
|
|
|
|
if args.module:
|
|
for module in args.module:
|
|
__import__("nemubot.module." + module)
|
|
|
|
if args.socketfile:
|
|
from nemubot.server.socket import UnixSocketListener
|
|
context.add_server(UnixSocketListener(new_server_cb=context.add_server,
|
|
location=args.socketfile,
|
|
name="master_socket"))
|
|
|
|
# Daemonize
|
|
if not args.debug:
|
|
from nemubot import daemonize
|
|
daemonize(args.socketfile)
|
|
|
|
# Signals handling
|
|
def sigtermhandler(signum, frame):
|
|
"""On SIGTERM and SIGINT, quit nicely"""
|
|
context.quit()
|
|
signal.signal(signal.SIGINT, sigtermhandler)
|
|
signal.signal(signal.SIGTERM, sigtermhandler)
|
|
|
|
def sighuphandler(signum, frame):
|
|
"""On SIGHUP, perform a deep reload"""
|
|
nonlocal context
|
|
|
|
logger.debug("SIGHUP receive, iniate reload procedure...")
|
|
|
|
# Reload configuration file
|
|
for path in args.files:
|
|
if os.path.isfile(path):
|
|
sync_act("loadconf", path)
|
|
signal.signal(signal.SIGHUP, sighuphandler)
|
|
|
|
def sigusr1handler(signum, frame):
|
|
"""On SIGHUSR1, display stacktraces"""
|
|
import threading, traceback
|
|
for threadId, stack in sys._current_frames().items():
|
|
thName = "#%d" % threadId
|
|
for th in threading.enumerate():
|
|
if th.ident == threadId:
|
|
thName = th.name
|
|
break
|
|
logger.debug("########### Thread %s:\n%s",
|
|
thName,
|
|
"".join(traceback.format_stack(stack)))
|
|
signal.signal(signal.SIGUSR1, sigusr1handler)
|
|
|
|
# Store PID to pidfile
|
|
if args.pidfile is not None:
|
|
with open(args.pidfile, "w+") as f:
|
|
f.write(str(os.getpid()))
|
|
|
|
# context can change when performing an hotswap, always join the latest context
|
|
oldcontext = None
|
|
while oldcontext != context:
|
|
oldcontext = context
|
|
context.start()
|
|
context.join()
|
|
|
|
# Wait for consumers
|
|
logger.info("Waiting for other threads shuts down...")
|
|
if args.debug:
|
|
sigusr1handler(0, None)
|
|
sys.exit(0)
|
|
|
|
|
|
def load_config(filename):
|
|
"""Load a configuration file
|
|
|
|
Arguments:
|
|
filename -- the path to the file to load
|
|
"""
|
|
|
|
from nemubot.channel import Channel
|
|
from nemubot import config
|
|
from nemubot.tools.xmlparser import XMLParser
|
|
|
|
try:
|
|
p = XMLParser({
|
|
"nemubotconfig": config.Nemubot,
|
|
"server": config.Server,
|
|
"channel": Channel,
|
|
"module": config.Module,
|
|
"include": config.Include,
|
|
})
|
|
return p.parse_file(filename)
|
|
except:
|
|
logger.exception("Can't load `%s'; this is not a valid nemubot "
|
|
"configuration file.", filename)
|
|
return None
|
|
|
|
|
|
if __name__ == "__main__":
|
|
main()
|