#!/usr/bin/env python2
# Author: Nic Wolfe <nic@wolfeden.ca>
# URL: http://code.google.com/p/sickbeard/
#
# This file is part of SickGear.
#
# SickGear is free software: you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation, either version 3 of the License, or
# (at your option) any later version.
#
# SickGear 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 General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with SickGear. If not, see <http://www.gnu.org/licenses/>.
# Check needed software dependencies to nudge users to fix their setup
from __future__ import print_function
from __future__ import with_statement
import datetime
import errno
import getopt
import locale
import os
import signal
import sys
import shutil
import subprocess
import time
import threading
if not (2, 7, 9) <= sys.version_info < (3, 0):
print('Python %s.%s.%s detected.' % sys.version_info[:3])
print('Sorry, SickGear requires Python 2.7.9 or higher. Python 3 is not supported.')
sys.exit(1)
try:
import Cheetah
if Cheetah.Version[0] != '2':
raise ValueError
except ValueError:
print('Sorry, requires Python module Cheetah 2.1.0 or newer.')
sys.exit(1)
except:
print('The Python module Cheetah is required')
sys.exit(1)
sys.path.insert(1, os.path.abspath(os.path.join(os.path.dirname(__file__), 'lib')))
from lib.six import moves
# We only need this for compiling an EXE and I will just always do that on 2.6+
if sys.hexversion >= 0x020600F0:
from multiprocessing import freeze_support # @UnresolvedImport
import sickbeard
from sickbeard import db, logger, network_timezones, failed_history, name_cache
from sickbeard.tv import TVShow
from sickbeard.webserveInit import WebServer
from sickbeard.databases.mainDB import MIN_DB_VERSION, MAX_DB_VERSION
from sickbeard.event_queue import Events
from sickbeard.exceptions import ex
from lib.configobj import ConfigObj
throwaway = datetime.datetime.strptime('20110101', '%Y%m%d')
signal.signal(signal.SIGINT, sickbeard.sig_handler)
signal.signal(signal.SIGTERM, sickbeard.sig_handler)
if 'win32' == sys.platform:
signal.signal(signal.SIGBREAK, sickbeard.sig_handler)
class SickGear(object):
def __init__(self):
# system event callback for shutdown/restart
sickbeard.events = Events(self.shutdown)
# daemon constants
self.run_as_daemon = False
self.create_pid = False
self.pid_file = ''
self.run_as_systemd = False
self.console_logging = False
# webserver constants
self.webserver = None
self.force_update = False
self.forced_port = None
self.no_launch = False
self.web_options = None
self.webhost = None
self.start_port = None
self.log_dir = None
@staticmethod
def help_message():
"""
print help message for commandline options
"""
help_msg = ['']
help_msg += ['Usage: %s <option> <another option>\n' % sickbeard.MY_FULLNAME]
help_msg += ['Options:\n']
help_tmpl = ' %-10s%-17s%s'
for ln in [
('-h', '--help', 'Prints this message'),
('-f', '--forceupdate', 'Force update all shows in the DB (from tvdb) on startup'),
('-q', '--quiet', 'Disables logging to console'),
('', '--nolaunch', 'Suppress launching web browser on startup')
]:
help_msg += [help_tmpl % ln]
if 'win32' == sys.platform:
for ln in [
('-d', '--daemon', 'Running as daemon is not supported on Windows'),
('', '', 'On Windows, --daemon is substituted with: --quiet --nolaunch')
]:
help_msg += [help_tmpl % ln]
else:
for ln in [
('-d', '--daemon', 'Run as double forked daemon (includes options --quiet --nolaunch)'),
('-s', '--systemd', 'Run as systemd service (includes options --quiet --nolaunch)'),
('', '--pidfile=<path>', 'Combined with --daemon creates a pidfile (full path including filename)')
]:
help_msg += [help_tmpl % ln]
for ln in [
('-p <port>', '--port=<port>', 'Override default/configured port to listen on'),
('', '--datadir=<path>', 'Override folder (full path) as location for'),
('', '', 'storing database, configfile, cache, logfiles'),
('', '', 'Default: %s' % sickbeard.PROG_DIR),
('', '--config=<path>', 'Override config filename (full path including filename)'),
('', '', 'to load configuration from'),
('', '', 'Default: config.ini in %s or --datadir location' % sickbeard.PROG_DIR),
('', '--noresize', 'Prevent resizing of the banner/posters even if PIL is installed')
]:
help_msg += [help_tmpl % ln]
return '\n'.join(help_msg)
def start(self):
# do some preliminary stuff
sickbeard.MY_FULLNAME = os.path.normpath(os.path.abspath(__file__))
sickbeard.MY_NAME = os.path.basename(sickbeard.MY_FULLNAME)
sickbeard.PROG_DIR = os.path.dirname(sickbeard.MY_FULLNAME)
sickbeard.DATA_DIR = sickbeard.PROG_DIR
sickbeard.MY_ARGS = sys.argv[1:]
sickbeard.SYS_ENCODING = None
try:
locale.setlocale(locale.LC_ALL, '')
except (locale.Error, IOError):
pass
try:
sickbeard.SYS_ENCODING = locale.getpreferredencoding()
except (locale.Error, IOError):
pass
# For OSes that are poorly configured I'll just randomly force UTF-8
if not sickbeard.SYS_ENCODING or sickbeard.SYS_ENCODING in ('ANSI_X3.4-1968', 'US-ASCII', 'ASCII'):
sickbeard.SYS_ENCODING = 'UTF-8'
if not hasattr(sys, 'setdefaultencoding'):
moves.reload_module(sys)
try:
# pylint: disable=E1101
# On non-unicode builds this raises an AttributeError, if encoding type is not valid it throws a LookupError
sys.setdefaultencoding(sickbeard.SYS_ENCODING)
except (StandardError, Exception):
print('Sorry, you MUST add the SickGear folder to the PYTHONPATH environment variable')
print('or find another way to force Python to use %s for string encoding.' % sickbeard.SYS_ENCODING)
sys.exit(1)
# Need console logging for SickBeard.py and SickBeard-console.exe
self.console_logging = (not hasattr(sys, 'frozen')) or (sickbeard.MY_NAME.lower().find('-console') > 0)
# Rename the main thread
threading.currentThread().name = 'MAIN'
try:
opts, args = getopt.getopt(sys.argv[1:], 'hfqdsp::',
['help', 'forceupdate', 'quiet', 'nolaunch', 'daemon', 'systemd', 'pidfile=',
'port=', 'datadir=', 'config=', 'noresize']) # @UnusedVariable
except getopt.GetoptError:
sys.exit(self.help_message())
for o, a in opts:
# Prints help message
if o in ('-h', '--help'):
sys.exit(self.help_message())
# For now we'll just silence the logging
if o in ('-q', '--quiet'):
self.console_logging = False
# Should we update (from indexer) all shows in the DB right away?
if o in ('-f', '--forceupdate'):
self.force_update = True
# Suppress launching web browser
# Needed for OSes without default browser assigned
# Prevent duplicate browser window when restarting in the app
if o in ('--nolaunch',):
self.no_launch = True
# Override default/configured port
if o in ('-p', '--port'):
try:
self.forced_port = int(a)
except ValueError:
sys.exit('Port: %s is not a number. Exiting.' % a)
# Run as a double forked daemon
if o in ('-d', '--daemon'):
self.run_as_daemon = True
# When running as daemon disable console_logging and don't start browser
self.console_logging = False
self.no_launch = True
if 'win32' == sys.platform:
self.run_as_daemon = False
# Run as a systemd service
if o in ('-s', '--systemd') and 'win32' != sys.platform:
self.run_as_systemd = True
self.run_as_daemon = False
self.console_logging = False
self.no_launch = True
# Write a pidfile if requested
if o in ('--pidfile',):
self.create_pid = True
self.pid_file = str(a)
# If the pidfile already exists, sickbeard may still be running, so exit
if os.path.exists(self.pid_file):
sys.exit('PID file: %s already exists. Exiting.' % self.pid_file)
# Specify folder to load the config file from
if o in ('--config',):
sickbeard.CONFIG_FILE = os.path.abspath(a)
# Specify folder to use as the data dir
if o in ('--datadir',):
sickbeard.DATA_DIR = os.path.abspath(a)
# Prevent resizing of the banner/posters even if PIL is installed
if o in ('--noresize',):
sickbeard.NO_RESIZE = True
# The pidfile is only useful in daemon mode, make sure we can write the file properly
if self.create_pid:
if self.run_as_daemon:
pid_dir = os.path.dirname(self.pid_file)
if not os.access(pid_dir, os.F_OK):
sys.exit(u"PID dir: %s doesn't exist. Exiting." % pid_dir)
if not os.access(pid_dir, os.W_OK):
sys.exit(u'PID dir: %s must be writable (write permissions). Exiting.' % pid_dir)
else:
if self.console_logging:
print(u'Not running in daemon mode. PID file creation disabled')
self.create_pid = False
# If they don't specify a config file then put it in the data dir
if not sickbeard.CONFIG_FILE:
sickbeard.CONFIG_FILE = os.path.join(sickbeard.DATA_DIR, 'config.ini')
# Make sure that we can create the data dir
if not os.access(sickbeard.DATA_DIR, os.F_OK):
try:
os.makedirs(sickbeard.DATA_DIR, 0o744)
except os.error:
sys.exit(u'Unable to create data directory: %s Exiting.' % sickbeard.DATA_DIR)
# Make sure we can write to the data dir
if not os.access(sickbeard.DATA_DIR, os.W_OK):
sys.exit(u'Data directory: %s must be writable (write permissions). Exiting.' % sickbeard.DATA_DIR)
# Make sure we can write to the config file
if not os.access(sickbeard.CONFIG_FILE, os.W_OK):
if os.path.isfile(sickbeard.CONFIG_FILE):
sys.exit(u'Config file: %s must be writeable (write permissions). Exiting.' % sickbeard.CONFIG_FILE)
elif not os.access(os.path.dirname(sickbeard.CONFIG_FILE), os.W_OK):
sys.exit(u'Config file directory: %s must be writeable (write permissions). Exiting'
% os.path.dirname(sickbeard.CONFIG_FILE))
os.chdir(sickbeard.DATA_DIR)
if self.console_logging:
print(u'Starting up SickGear from %s' % sickbeard.CONFIG_FILE)
# Load the config and publish it to the sickbeard package
if not os.path.isfile(sickbeard.CONFIG_FILE):
print(u'Unable to find "%s", all settings will be default!' % sickbeard.CONFIG_FILE)
sickbeard.CFG = ConfigObj(sickbeard.CONFIG_FILE)
# check all db versions
for d, min_v, max_v, mo in [
('failed.db', sickbeard.failed_db.MIN_DB_VERSION, sickbeard.failed_db.MAX_DB_VERSION, 'FailedDb'),
('cache.db', sickbeard.cache_db.MIN_DB_VERSION, sickbeard.cache_db.MAX_DB_VERSION, 'CacheDb'),
('sickbeard.db', sickbeard.mainDB.MIN_DB_VERSION, sickbeard.mainDB.MAX_DB_VERSION, 'MainDb')
]:
cur_db_version = db.DBConnection(d).checkDBVersion()
if cur_db_version > 0:
if cur_db_version < min_v:
print(u'Your [%s] database version (%s) is too old to migrate from with this version of SickGear'
% (d, cur_db_version))
sys.exit(u'Upgrade using a previous version of SG first,'
+ u' or start with no database file to begin fresh')
if cur_db_version > max_v:
print(u'Your [%s] database version (%s) has been incremented past'
u' what this version of SickGear supports. Trying to rollback now. Please wait...' %
(d, cur_db_version))
try:
rollback_loaded = db.get_rollback_module()
if None is not rollback_loaded:
rollback_loaded.__dict__[mo]().run(max_v)
else:
print(u'ERROR: Could not download Rollback Module.')
except (StandardError, Exception):
pass
if db.DBConnection(d).checkDBVersion() > max_v:
print(u'Rollback failed.')
sys.exit(u'If you have used other forks, your database may be unusable due to their changes')
print(u'Rollback of [%s] successful.' % d)
# Initialize the config and our threads
sickbeard.initialize(console_logging=self.console_logging)
if self.run_as_daemon:
self.daemonize()
# Get PID
sickbeard.PID = os.getpid()
if self.forced_port:
logger.log(u'Forcing web server to port %s' % self.forced_port)
self.start_port = self.forced_port
else:
self.start_port = sickbeard.WEB_PORT
if sickbeard.WEB_LOG:
self.log_dir = sickbeard.LOG_DIR
else:
self.log_dir = None
# sickbeard.WEB_HOST is available as a configuration value in various
# places but is not configurable. It is supported here for historic reasons.
if sickbeard.WEB_HOST and sickbeard.WEB_HOST != '0.0.0.0':
self.webhost = sickbeard.WEB_HOST
else:
if sickbeard.WEB_IPV6:
self.webhost = '::'
else:
self.webhost = '0.0.0.0'
# web server options
self.web_options = {
'port': int(self.start_port),
'host': self.webhost,
'data_root': os.path.join(sickbeard.PROG_DIR, 'gui', sickbeard.GUI_NAME),
'web_root': sickbeard.WEB_ROOT,
'log_dir': self.log_dir,
'username': sickbeard.WEB_USERNAME,
'password': sickbeard.WEB_PASSWORD,
'enable_https': sickbeard.ENABLE_HTTPS,
'handle_reverse_proxy': sickbeard.HANDLE_REVERSE_PROXY,
'https_cert': os.path.join(sickbeard.PROG_DIR, sickbeard.HTTPS_CERT),
'https_key': os.path.join(sickbeard.PROG_DIR, sickbeard.HTTPS_KEY),
}
# start web server
try:
# used to check if existing SG instances have been started
sickbeard.helpers.wait_for_free_port(self.web_options['host'], self.web_options['port'])
self.webserver = WebServer(self.web_options)
self.webserver.start()
except (StandardError, Exception):
logger.log(u'Unable to start web server, is something else running on port %d?' % self.start_port,
logger.ERROR)
if self.run_as_systemd:
self.exit(0)
if sickbeard.LAUNCH_BROWSER and not self.no_launch:
logger.log(u'Launching browser and exiting', logger.ERROR)
sickbeard.launch_browser(self.start_port)
self.exit(1)
# Check if we need to perform a restore first
restore_dir = os.path.join(sickbeard.DATA_DIR, 'restore')
if os.path.exists(restore_dir):
if self.restore(restore_dir, sickbeard.DATA_DIR):
logger.log(u'Restore successful...')
else:
logger.log_error_and_exit(u'Restore FAILED!')
# Build from the DB to start with
self.load_shows_from_db()
# Fire up all our threads
sickbeard.start()
# Build internal name cache
name_cache.buildNameCache()
# refresh network timezones
network_timezones.update_network_dict()
# load all ids from xem
startup_background_tasks = threading.Thread(name='FETCH-XEMDATA', target=sickbeard.scene_exceptions.get_xem_ids)
startup_background_tasks.start()
if sickbeard.USE_FAILED_DOWNLOADS:
failed_history.remove_old_history()
# Start an update if we're supposed to
if self.force_update or sickbeard.UPDATE_SHOWS_ON_START:
sickbeard.showUpdateScheduler.action.run(force=True) # @UndefinedVariable
# Launch browser
if sickbeard.LAUNCH_BROWSER and not self.no_launch:
sickbeard.launch_browser(self.start_port)
# main loop
while True:
time.sleep(1)
def daemonize(self):
"""
Fork off as a daemon
"""
# pylint: disable=E1101
# Make a non-session-leader child process
try:
pid = os.fork() # @UndefinedVariable - only available in UNIX
if pid != 0:
self.exit(0)
except OSError as er:
sys.stderr.write('fork #1 failed: %d (%s)\n' % (er.errno, er.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:
self.exit(0)
except OSError as er:
sys.stderr.write('fork #2 failed: %d (%s)\n' % (er.errno, er.strerror))
sys.exit(1)
# Write pid
if self.create_pid:
pid = str(os.getpid())
logger.log(u'Writing PID: %s to %s' % (pid, self.pid_file))
try:
open(self.pid_file, 'w').write('%s\n' % pid)
except IOError as er:
logger.log_error_and_exit('Unable to write PID file: %s Error: %s [%s]' % (
self.pid_file, er.strerror, er.errno))
# Redirect all output
sys.stdout.flush()
sys.stderr.flush()
devnull = getattr(os, 'devnull', '/dev/null')
stdin = open(devnull, 'r')
stdout = open(devnull, 'a+')
stderr = open(devnull, 'a+')
os.dup2(stdin.fileno(), sys.stdin.fileno())
os.dup2(stdout.fileno(), sys.stdout.fileno())
os.dup2(stderr.fileno(), sys.stderr.fileno())
@staticmethod
def remove_pid_file(pidfile):
try:
if os.path.exists(pidfile):
os.remove(pidfile)
except (IOError, OSError):
return False
return True
@staticmethod
def load_shows_from_db():
"""
Populates the showList with shows from the database
"""
logger.log(u'Loading initial show list')
my_db = db.DBConnection()
sql_results = my_db.select('SELECT * FROM tv_shows')
sickbeard.showList = []
for sqlShow in sql_results:
try:
cur_show = TVShow(int(sqlShow['indexer']), int(sqlShow['indexer_id']))
cur_show.nextEpisode()
sickbeard.showList.append(cur_show)
except Exception as er:
logger.log('There was an error creating the show in %s: %s' % (
sqlShow['location'], str(er).decode('utf-8', 'replace')), logger.ERROR)
@staticmethod
def restore(src_dir, dst_dir):
try:
for filename in os.listdir(src_dir):
src_file = os.path.join(src_dir, filename)
dst_file = os.path.join(dst_dir, filename)
bak_file = os.path.join(dst_dir, '%s.bak' % filename)
shutil.move(dst_file, bak_file)
shutil.move(src_file, dst_file)
os.rmdir(src_dir)
return True
except (StandardError, Exception):
return False
def shutdown(self, ev_type):
if sickbeard.started:
# stop all tasks
sickbeard.halt()
# save all shows to DB
sickbeard.save_all()
# shutdown web server
if self.webserver:
logger.log('Shutting down Tornado')
self.webserver.shutDown()
try:
self.webserver.join(10)
except (StandardError, Exception):
pass
# if run as daemon delete the pidfile
if self.run_as_daemon and self.create_pid:
self.remove_pid_file(self.pid_file)
if sickbeard.events.SystemEvent.RESTART == ev_type:
install_type = sickbeard.versionCheckScheduler.action.install_type
popen_list = []
if install_type in ('git', 'source'):
popen_list = [sys.executable, sickbeard.MY_FULLNAME]
if popen_list:
popen_list += sickbeard.MY_ARGS
if self.run_as_systemd:
logger.log(u'Restarting SickGear with exit(1) handler and %s' % popen_list)
logger.close()
self.exit(1)
if '--nolaunch' not in popen_list:
popen_list += ['--nolaunch']
logger.log(u'Restarting SickGear with %s' % popen_list)
logger.close()
subprocess.Popen(popen_list, cwd=os.getcwd())
# system exit
self.exit(0)
@staticmethod
def exit(code):
os._exit(code)
if __name__ == '__main__':
if sys.hexversion >= 0x020600F0:
freeze_support()
try:
try:
# start SickGear
SickGear().start()
except IOError as e:
if e.errno != errno.EINTR:
raise
except Exception as e:
logger.log('SickGear.Start() exception caught %s' % ex(e))