3
0
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PyLink/pylink

72 lines
2.7 KiB
Python
Executable File

#!/usr/bin/env python3
"""
PyLink IRC Services launcher.
"""
import os
import sys
try:
from pylinkirc import world
except ImportError:
sys.stderr.write("ERROR: Failed to import PyLink main module (pylinkirc.world).\n\nIf you are "
"running PyLink from source, please install PyLink first using 'python3 "
"setup.py install' (global install) or 'python3 setup.py install --user'"
" (local install)\n")
sys.exit(1)
from pylinkirc import conf, __version__
if __name__ == '__main__':
import argparse
parser = argparse.ArgumentParser(description='Starts an instance of PyLink IRC Services.')
parser.add_argument('config', help='specifies the path to the config file (defaults to pylink.yml)', nargs='?', default='pylink.yml')
parser.add_argument("-v", "--version", help="displays the program version and exits", action='store_true')
parser.add_argument("-n", "--no-pid", help="skips generating PID files", action='store_true')
args = parser.parse_args()
if args.version: # Display version and exit
print('PyLink ' + __version__)
sys.exit()
# Load the config
conf.loadConf(args.config)
from pylinkirc.log import log
from pylinkirc import classes, utils, coremods
log.info('PyLink %s starting...', __version__)
# Write a PID file unless specifically told not to.
if not args.no_pid:
with open('%s.pid' % conf.confname, 'w') as f:
f.write(str(os.getpid()))
# Import plugins first globally, because they can listen for events
# that happen before the connection phase.
to_load = conf.conf['plugins']
# Here, we override the module lookup and import the plugins
# dynamically depending on which were configured.
for plugin in to_load:
try:
world.plugins[plugin] = pl = utils.loadPlugin(plugin)
except (OSError, ImportError) as e:
log.exception('Failed to load plugin %r: %s: %s', plugin, type(e).__name__, str(e))
else:
if hasattr(pl, 'main'):
log.debug('Calling main() function of plugin %r', pl)
pl.main()
# Initialize all the networks one by one
for network, sdata in conf.conf['servers'].items():
try:
protoname = sdata['protocol']
except (KeyError, TypeError):
log.error("(%s) Configuration error: No protocol module specified, aborting.", network)
else:
# Fetch the correct protocol module
proto = utils.getProtocolModule(protoname)
world.networkobjects[network] = irc = classes.Irc(network, proto, conf.conf)
world.started.set()
log.info("Loaded plugins: %s", ', '.join(sorted(world.plugins.keys())))