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nzbhydra.py
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nzbhydra.py
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#!/usr/bin/env python
import sys
import traceback
if sys.version_info >= (3, 0) or sys.version_info < (2, 7, 9):
sys.stderr.write("Sorry, requires Python 2.7.9 or greater, not Python 3 compatible\n")
sys.exit(1)
import glob
import subprocess
import os
import argparse
import webbrowser
import nzbhydra
basepath = nzbhydra.getBasePath()
os.chdir(basepath)
sys.path.insert(0, os.path.join(basepath, 'libs'))
from furl import furl
from nzbhydra import log
from nzbhydra import indexers
from nzbhydra import database
from nzbhydra import web
from nzbhydra import socks_proxy
import nzbhydra.config as config
import requests
requests.packages.urllib3.disable_warnings()
from nzbhydra.log import logger
def daemonize(pidfile):
# Make a non-session-leader child process
try:
pid = os.fork() # @UndefinedVariable - only available in UNIX
if pid != 0:
os._exit(0)
except OSError as e:
sys.stderr.write("fork #1 failed: %d (%s)\n" % (e.errno, e.strerror))
sys.exit(1)
os.setsid() # @UndefinedVariable - only available in UNIX
# Make sure I can read my own files and shut out others
prev = os.umask(0)
os.umask(prev and int('077', 8))
# Make the child a session-leader by detaching from the terminal
try:
pid = os.fork() # @UndefinedVariable - only available in UNIX
if pid != 0:
os._exit(0)
except OSError as e:
sys.stderr.write("fork #2 failed: %d (%s)\n" % (e.errno, e.strerror))
sys.exit(1)
# Write pid
pid = str(os.getpid())
try:
file(pidfile, 'w').write("%s\n" % pid)
except IOError as e:
sys.stderr.write(u"Unable to write PID file: nzbhydra.pid. Error: " + str(e.strerror) + " [" + str(e.errno) + "]")
# Redirect all output
sys.stdout.flush()
sys.stderr.flush()
devnull = getattr(os, 'devnull', '/dev/null')
stdin = file(devnull, 'r')
stdout = file(devnull, 'a+')
stderr = file(devnull, 'a+')
os.dup2(stdin.fileno(), sys.stdin.fileno())
os.dup2(stdout.fileno(), sys.stdout.fileno())
os.dup2(stderr.fileno(), sys.stderr.fileno())
def run(arguments):
nzbhydra.configFile = settings_file = arguments.config
nzbhydra.databaseFile = database_file = arguments.database
logger.notice("Loading settings from {}".format(settings_file))
try:
config.load(settings_file)
config.save(settings_file) # Write any new settings back to the file
log.setup_custom_logger(arguments.logfile, arguments.quiet)
except Exception:
print("An error occured during migrating the old config. Sorry about that...: ")
traceback.print_exc(file=sys.stdout)
print("Trying to log messages from migration...")
config.logLogMessages()
os._exit(-5)
try:
logger.info("Started")
if arguments.daemon:
logger.info("Daemonizing...")
daemonize(arguments.pidfile)
config.logLogMessages()
logger.info("Loading database file %s" % database_file)
if not os.path.exists(database_file):
database.init_db(database_file)
else:
database.update_db(database_file)
database.db.init(database_file)
indexers.read_indexers_from_config()
if config.settings.main.debug:
logger.info("Debug mode enabled")
# Clean up any "old" files from last update
oldfiles = glob.glob("*.updated")
if len(oldfiles) > 0:
logger.info("Deleting %d old files remaining from update" % len(oldfiles))
for filename in oldfiles:
try:
if "hydratray" not in filename:
logger.debug("Deleting %s" % filename)
os.remove(filename)
else:
logger.debug("Not deleting %s because it's still running. TrayHelper will restart itself" % filename)
except Exception:
logger.warn("Unable to delete old file %s. Please delete manually" % filename)
host = config.settings.main.host if arguments.host is None else arguments.host
port = config.settings.main.port if arguments.port is None else arguments.port
socksproxy = config.settings.main.socksProxy if arguments.socksproxy is None else arguments.socksproxy
# SOCKS proxy settings
if socksproxy:
try:
sockshost, socksport = socksproxy.split(':') # FWIW: this won't work for literal IPv6 addresses
except:
logger.error('Incorrect SOCKS proxy settings "%s"' % socksproxy)
sockshost, socksport = [None, None]
if sockshost:
logger.info("Using SOCKS proxy at host %s and port %s" % (sockshost, socksport))
publicip = socks_proxy.setSOCKSproxy(sockshost, int(socksport))
if publicip:
logger.info("Public IP address via SOCKS proxy: %s" % publicip)
else:
logger.error("Could not get public IP address. Is the proxy working?")
logger.notice("Starting web app on %s:%d" % (host, port))
if config.settings.main.externalUrl is not None and config.settings.main.externalUrl != "":
f = furl(config.settings.main.externalUrl)
else:
f = furl()
f.host = "127.0.0.1"
f.port = port
f.scheme = "https" if config.settings.main.ssl else "http"
if not arguments.nobrowser and config.settings.main.startupBrowser:
if arguments.restarted:
logger.info("Not opening the browser after restart")
else:
logger.info("Opening browser to %s" % f.url)
webbrowser.open_new(f.url)
else:
logger.notice("Go to %s for the frontend" % f.url)
web.run(host, port, basepath)
except Exception:
logger.exception("Fatal error occurred")
if __name__ == '__main__':
parser = argparse.ArgumentParser(description='NZBHydra')
parser.add_argument('--config', action='store', help='Settings file to load', default="settings.cfg")
parser.add_argument('--database', action='store', help='Database file to load', default="nzbhydra.db")
parser.add_argument('--logfile', action='store', help='Log file. If set overwrites config value', default=None)
parser.add_argument('--host', '-H', action='store', help='Host to run on')
parser.add_argument('--port', '-p', action='store', help='Port to run on', type=int)
parser.add_argument('--nobrowser', action='store_true', help='Don\'t open URL on startup', default=False)
parser.add_argument('--daemon', '-D', action='store_true', help='Run as daemon. *nix only', default=False)
parser.add_argument('--quiet', '-q', action='store_true', help='Quiet (no output)', default=False)
parser.add_argument('--pidfile', action='store', help='PID file. Only relevant with daemon argument', default="nzbhydra.pid")
parser.add_argument('--restarted', action='store_true', help=argparse.SUPPRESS, default=False)
parser.add_argument('--socksproxy', action='store', help='SOCKS proxy to use in format host:port', default=None)
args, unknown = parser.parse_known_args()
if args.quiet:
log.quiet_output()
logger.notice("Starting NZBHydra")
logger.debug("Base path is {}".format(basepath))
run(args)
if "RESTART" in os.environ.keys() and os.environ["RESTART"] == "1":
if "STARTEDBYTRAYHELPER" in os.environ.keys():
# We don't restart ourself but use a special return code so we are restarted by the tray tool
logger.info("Shutting down so we can be restarted by tray tool")
if "AFTERUPDATE" in os.environ.keys():
logger.debug("Shutting down with return code -1 to signal tray helper that it should also restart itself")
os._exit(-1)
else:
logger.debug("Shutting down with return code -2 to signal tray helper that it should only restart NZBHydra")
os._exit(-2)
else:
# Otherwise we handle the restart ourself
os.environ["RESTART"] = "0"
if os.path.exists(args.pidfile):
logger.debug("Removing old PID file %s" % args.pidfile)
os.remove(args.pidfile)
args = [sys.executable]
args.extend(sys.argv)
if "--restarted" not in args:
logger.debug("Setting restarted flag in command line")
args.append("--restarted")
logger.info("Restarting process after shutdown: " + " ".join(args))
subprocess.Popen(args, cwd=os.getcwd())