b86a021042
The only use of the ui.UI class is a base for Web which never calls __init__ and at the beginning when choosing which UI to launch, however that doesn't need to be an object.
231 lines
8.9 KiB
Python
231 lines
8.9 KiB
Python
# -*- coding: utf-8 -*-
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#
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# Copyright (C) 2007 Andrew Resch <andrewresch@gmail.com>
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# Copyright (C) 2010 Pedro Algarvio <pedro@algarvio.me>
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#
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# This file is part of Deluge and is licensed under GNU General Public License 3.0, or later, with
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# the additional special exception to link portions of this program with the OpenSSL library.
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# See LICENSE for more details.
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#
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# The main starting point for the program. This function is called when the
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# user runs the command 'deluge'.
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"""Main starting point for Deluge. Contains the main() entry point."""
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from __future__ import print_function
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import optparse
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import os
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import sys
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from logging import FileHandler, getLogger
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import deluge.common
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import deluge.configmanager
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import deluge.error
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from deluge.commonoptions import CommonOptionParser
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DEFAULT_PREFS = {
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"default_ui": "gtk"
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}
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def start_ui():
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"""Entry point for ui script"""
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deluge.common.setup_translations()
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# Setup the argument parser
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parser = CommonOptionParser()
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group = optparse.OptionGroup(parser, _("Default Options"))
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group.add_option("-u", "--ui", dest="ui",
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help="""The UI that you wish to launch. The UI choices are:\n
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\t gtk -- A GTK-based graphical user interface (default)\n
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\t web -- A web-based interface (http://localhost:8112)\n
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\t console -- A console or command-line interface""", action="store", type="str")
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group.add_option("-a", "--args", dest="args",
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help="Arguments to pass to UI, -a '--option args'", action="store", type="str")
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group.add_option("-s", "--set-default-ui", dest="default_ui",
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help="Sets the default UI to be run when no UI is specified", action="store", type="str")
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parser.add_option_group(group)
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# Get the options and args from the OptionParser
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(options, args) = parser.parse_args(deluge.common.unicode_argv()[1:])
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config = deluge.configmanager.ConfigManager("ui.conf", DEFAULT_PREFS)
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log = getLogger(__name__)
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if options.default_ui:
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config["default_ui"] = options.default_ui
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config.save()
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log.info("The default UI has been changed to %s", options.default_ui)
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sys.exit(0)
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log.info("Deluge ui %s", deluge.common.get_version())
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log.debug("options: %s", options)
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log.debug("args: %s", args)
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selected_ui = options.ui if options.ui else config["default_ui"]
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config.save()
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del config
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try:
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if selected_ui == "gtk":
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log.info("Starting GtkUI..")
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from deluge.ui.gtkui.gtkui import GtkUI
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ui = GtkUI(args)
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elif selected_ui == "web":
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log.info("Starting WebUI..")
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from deluge.ui.web.web import WebUI
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ui = WebUI(args)
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elif selected_ui == "console":
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log.info("Starting ConsoleUI..")
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from deluge.ui.console.main import ConsoleUI
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ui = ConsoleUI(options.args)
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except ImportError, e:
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import sys
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import traceback
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error_type, error_value, tb = sys.exc_info()
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stack = traceback.extract_tb(tb)
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last_frame = stack[-1]
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if last_frame[0] == __file__:
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log.error("Unable to find the requested UI: %s. Please select a different UI with the '-u' "
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"option or alternatively use the '-s' option to select a different default UI.", selected_ui)
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else:
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log.exception(e)
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log.error("There was an error whilst launching the request UI: %s", selected_ui)
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log.error("Look at the traceback above for more information.")
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sys.exit(1)
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def start_daemon(skip_start=False):
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"""
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Entry point for daemon script
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Args:
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skip_start (bool): If starting daemon should be skipped.
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Returns:
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deluge.core.daemon.Daemon: A new daemon object
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"""
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deluge.common.setup_translations()
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if 'dev' not in deluge.common.get_version():
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import warnings
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warnings.filterwarnings('ignore', category=DeprecationWarning, module='twisted')
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# Setup the argument parser
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parser = CommonOptionParser(usage="%prog [options] [actions]")
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group = optparse.OptionGroup(parser, _("Daemon Options"))
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group.add_option("-p", "--port", dest="port",
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help="Port daemon will listen on", action="store", type="int")
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group.add_option("-i", "--interface", dest="listen_interface",
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help="Interface daemon will listen for bittorrent connections on, "
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"this should be an IP address", metavar="IFACE",
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action="store", type="str")
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group.add_option("-u", "--ui-interface", dest="ui_interface",
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help="Interface daemon will listen for UI connections on, this should be "
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"an IP address", metavar="IFACE", action="store", type="str")
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if not (deluge.common.windows_check() or deluge.common.osx_check()):
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group.add_option("-d", "--do-not-daemonize", dest="donot",
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help="Do not daemonize", action="store_true", default=False)
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group.add_option("-P", "--pidfile", dest="pidfile",
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help="Use pidfile to store process id", action="store", type="str")
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if not deluge.common.windows_check():
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group.add_option("-U", "--user", dest="user",
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help="User to switch to. Only use it when starting as root", action="store", type="str")
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group.add_option("-g", "--group", dest="group",
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help="Group to switch to. Only use it when starting as root", action="store", type="str")
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group.add_option("--read-only-config-keys",
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help="List of comma-separated config keys that will not be modified by set_config RPC.",
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action="store", type="str", default="")
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group.add_option("--profile", dest="profile", action="store_true", default=False,
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help="Profiles the daemon")
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parser.add_option_group(group)
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# Get the options and args from the OptionParser
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(options, args) = parser.parse_args()
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# Check for any daemons running with this same config
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from deluge.core.daemon import check_running_daemon
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pid_file = deluge.configmanager.get_config_dir("deluged.pid")
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try:
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check_running_daemon(pid_file)
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except deluge.error.DaemonRunningError:
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print("You cannot run multiple daemons with the same config directory set.")
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print("If you believe this is an error, you can force a start by deleting: %s" % pid_file)
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sys.exit(1)
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log = getLogger(__name__)
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# If no logfile specified add logging to default location (as well as stdout)
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if not options.logfile:
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options.logfile = deluge.configmanager.get_config_dir("deluged.log")
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file_handler = FileHandler(options.logfile)
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log.addHandler(file_handler)
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# If the donot daemonize is set, then we just skip the forking
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if not (deluge.common.windows_check() or options.donot):
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if os.fork():
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# We've forked and this is now the parent process, so die!
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os._exit(0)
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os.setsid()
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# Do second fork
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if os.fork():
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os._exit(0)
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# Write pid file before chuid
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if options.pidfile:
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with open(options.pidfile, "wb") as _file:
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_file.write("%s\n" % os.getpid())
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if not deluge.common.windows_check():
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if options.user:
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if not options.user.isdigit():
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import pwd
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options.user = pwd.getpwnam(options.user)[2]
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os.setuid(options.user)
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if options.group:
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if not options.group.isdigit():
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import grp
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options.group = grp.getgrnam(options.group)[2]
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os.setuid(options.group)
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def run_daemon(options):
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try:
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from deluge.core.daemon import Daemon
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daemon = Daemon(listen_interface=options.listen_interface,
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interface=options.ui_interface,
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port=options.port,
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read_only_config_keys=options.read_only_config_keys.split(","))
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if not skip_start:
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daemon.start()
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return daemon
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except Exception as ex:
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log.exception(ex)
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sys.exit(1)
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finally:
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if options.pidfile:
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os.remove(options.pidfile)
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if options.profile:
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import cProfile
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profiler = cProfile.Profile()
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profile_output = deluge.configmanager.get_config_dir("deluged.profile")
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# Twisted catches signals to terminate
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def save_profile_stats():
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profiler.dump_stats(profile_output)
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print("Profile stats saved to %s" % profile_output)
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from twisted.internet import reactor
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reactor.addSystemEventTrigger("before", "shutdown", save_profile_stats)
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print("Running with profiler...")
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profiler.runcall(run_daemon, options)
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else:
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return run_daemon(options)
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