Exemplo n.º 1
0
 def getDiskSpace(self):
     return getFreeSpace(self.directories())
Exemplo n.º 2
0
def runCouchPotato(options, base_path, args, data_dir = None, log_dir = None, Env = None, desktop = None):

    try:
        locale.setlocale(locale.LC_ALL, "")
        encoding = locale.getpreferredencoding()
    except (locale.Error, IOError):
        encoding = None

    # for OSes that are poorly configured I'll just force UTF-8
    if not encoding or encoding in ('ANSI_X3.4-1968', 'US-ASCII', 'ASCII'):
        encoding = 'UTF-8'

    Env.set('encoding', encoding)

    # Do db stuff
    db_path = sp(os.path.join(data_dir, 'database'))
    old_db_path = os.path.join(data_dir, 'whatpotato.db')

    # Remove database folder if both exists
    if os.path.isdir(db_path) and os.path.isfile(old_db_path):
        db = SuperThreadSafeDatabase(db_path)
        db.open()
        db.destroy()

    # Check if database exists
    db = SuperThreadSafeDatabase(db_path)
    db_exists = db.exists()
    if db_exists:

        # Backup before start and cleanup old backups
        backup_path = sp(os.path.join(data_dir, 'db_backup'))
        backup_count = 5
        existing_backups = []
        if not os.path.isdir(backup_path): os.makedirs(backup_path)

        for root, dirs, files in os.walk(backup_path):
            # Only consider files being a direct child of the backup_path
            if root == backup_path:
                for backup_file in sorted(files):
                    ints = re.findall('\d+', backup_file)

                    # Delete non zip files
                    if len(ints) != 1:
                        try: os.remove(os.path.join(root, backup_file))
                        except: pass
                    else:
                        existing_backups.append((int(ints[0]), backup_file))
            else:
                # Delete stray directories.
                shutil.rmtree(root)

        # Remove all but the last 5
        for eb in existing_backups[:-backup_count]:
            os.remove(os.path.join(backup_path, eb[1]))

        # Create new backup
        new_backup = sp(os.path.join(backup_path, '%s.tar.gz' % int(time.time())))
        zipf = tarfile.open(new_backup, 'w:gz')
        for root, dirs, files in os.walk(db_path):
            for zfilename in files:
                zipf.add(os.path.join(root, zfilename), arcname = 'database/%s' % os.path.join(root[len(db_path) + 1:], zfilename))
        zipf.close()

        # Open last
        db.open()

    else:
        db.create()

    # Force creation of cachedir
    log_dir = sp(log_dir)
    cache_dir = sp(os.path.join(data_dir, 'cache'))
    python_cache = sp(os.path.join(cache_dir, 'python'))

    if not os.path.exists(cache_dir):
        os.mkdir(cache_dir)
    if not os.path.exists(python_cache):
        os.mkdir(python_cache)

    session = requests.Session()
    session.max_redirects = 5

    # Register environment settings
    Env.set('app_dir', sp(base_path))
    Env.set('data_dir', sp(data_dir))
    Env.set('log_path', sp(os.path.join(log_dir, 'CouchPotato.log')))
    Env.set('db', db)
    Env.set('http_opener', session)
    Env.set('cache_dir', cache_dir)
    Env.set('cache', FileSystemCache(python_cache))
    Env.set('console_log', options.console_log)
    Env.set('quiet', options.quiet)
    Env.set('desktop', desktop)
    Env.set('daemonized', options.daemon)
    Env.set('args', args)
    Env.set('options', options)

    # Determine debug
    debug = options.debug or Env.setting('debug', default = False, type = 'bool')
    Env.set('debug', debug)

    # Development
    development = Env.setting('development', default = False, type = 'bool')
    Env.set('dev', development)

    # Disable logging for some modules
    for logger_name in ['enzyme', 'guessit', 'subliminal', 'apscheduler', 'tornado', 'requests']:
        logging.getLogger(logger_name).setLevel(logging.ERROR)

    for logger_name in ['gntp']:
        logging.getLogger(logger_name).setLevel(logging.WARNING)

    # Disable SSL warning
    disable_warnings()

    # Use reloader
    reloader = debug is True and development and not Env.get('desktop') and not options.daemon

    # Logger
    logger = logging.getLogger()
    formatter = logging.Formatter('%(asctime)s %(levelname)s %(message)s', '%m-%d %H:%M:%S')
    level = logging.DEBUG if debug else logging.INFO
    logger.setLevel(level)
    logging.addLevelName(19, 'INFO')

    # To screen
    if (debug or options.console_log) and not options.quiet and not options.daemon:
        hdlr = logging.StreamHandler(sys.stderr)
        hdlr.setFormatter(formatter)
        logger.addHandler(hdlr)

    # To file
    hdlr2 = handlers.RotatingFileHandler(Env.get('log_path'), 'a', 500000, 10, encoding = Env.get('encoding'))
    hdlr2.setFormatter(formatter)
    logger.addHandler(hdlr2)

    # Start logging & enable colors
    # noinspection PyUnresolvedReferences
    import color_logs
    from whatpotato.core.logger import CPLog
    log = CPLog(__name__)
    log.debug('Started with options %s', options)

    # Check available space
    try:
        total_space, available_space = getFreeSpace(data_dir)
        if available_space < 100:
            log.error('Shutting down as CP needs some space to work. You\'ll get corrupted data otherwise. Only %sMB left', available_space)
            return
    except:
        log.error('Failed getting diskspace: %s', traceback.format_exc())

    def customwarn(message, category, filename, lineno, file = None, line = None):
        log.warning('%s %s %s line:%s', (category, message, filename, lineno))
    warnings.showwarning = customwarn

    # Create app
    from whatpotato import WebHandler
    web_base = ('/' + Env.setting('url_base').lstrip('/') + '/') if Env.setting('url_base') else '/'
    Env.set('web_base', web_base)

    api_key = Env.setting('api_key')
    if not api_key:
        api_key = uuid4().hex
        Env.setting('api_key', value = api_key)

    api_base = r'%sapi/%s/' % (web_base, api_key)
    Env.set('api_base', api_base)

    # Basic config
    host = Env.setting('host', default = '0.0.0.0')
    host6 = Env.setting('host6', default = '::')

    config = {
        'use_reloader': reloader,
        'port': tryInt(Env.setting('port', default = 5050)),
        'host': host if host and len(host) > 0 else '0.0.0.0',
        'host6': host6 if host6 and len(host6) > 0 else '::',
        'ssl_cert': Env.setting('ssl_cert', default = None),
        'ssl_key': Env.setting('ssl_key', default = None),
    }

    # Load the app
    application = Application(
        [],
        log_function = lambda x: None,
        debug = config['use_reloader'],
        gzip = True,
        cookie_secret = api_key,
        login_url = '%slogin/' % web_base,
    )
    Env.set('app', application)

    # Request handlers
    application.add_handlers(".*$", [
        (r'%snonblock/(.*)(/?)' % api_base, NonBlockHandler),

        # API handlers
        (r'%s(.*)(/?)' % api_base, ApiHandler),  # Main API handler
        (r'%sgetkey(/?)' % web_base, KeyHandler),  # Get API key
        (r'%s' % api_base, RedirectHandler, {"url": web_base + 'docs/'}),  # API docs

        # Login handlers
        (r'%slogin(/?)' % web_base, LoginHandler),
        (r'%slogout(/?)' % web_base, LogoutHandler),

        # Catch all webhandlers
        (r'%s(.*)(/?)' % web_base, WebHandler),
        (r'(.*)', WebHandler),
    ])

    # Static paths
    static_path = '%sstatic/' % web_base
    for dir_name in ['fonts', 'images', 'scripts', 'style']:
        application.add_handlers(".*$", [
            ('%s%s/(.*)' % (static_path, dir_name), StaticFileHandler, {'path': sp(os.path.join(base_path, 'whatpotato', 'static', dir_name))})
        ])
    Env.set('static_path', static_path)

    # Load configs & plugins
    loader = Env.get('loader')
    loader.preload(root = sp(base_path))
    loader.run()

    # Fill database with needed stuff
    fireEvent('database.setup')
    if not db_exists:
        fireEvent('app.initialize', in_order = True)
    fireEvent('app.migrate')

    # Go go go!
    from tornado.ioloop import IOLoop
    from tornado.autoreload import add_reload_hook
    loop = IOLoop.current()

    # Reload hook
    def reload_hook():
        fireEvent('app.shutdown')
    add_reload_hook(reload_hook)

    # Some logging and fire load event
    try: log.info('Starting server on port %(port)s', config)
    except: pass
    fireEventAsync('app.load')

    ssl_options = None
    if config['ssl_cert'] and config['ssl_key']:
        ssl_options = {
            'certfile': config['ssl_cert'],
            'keyfile': config['ssl_key'],
        }

    server = HTTPServer(application, no_keep_alive = True, ssl_options = ssl_options)

    try_restart = True
    restart_tries = 5

    while try_restart:
        try:
            server.listen(config['port'], config['host'])

            if Env.setting('ipv6', default = False):
                try: server.listen(config['port'], config['host6'])
                except: log.info2('Tried to bind to IPV6 but failed')

            loop.start()
            server.close_all_connections()
            server.stop()
            loop.close(all_fds = True)
        except Exception as e:
            log.error('Failed starting: %s', traceback.format_exc())
            try:
                nr, msg = e
                if nr == 48:
                    log.info('Port (%s) needed for CouchPotato is already in use, try %s more time after few seconds', (config.get('port'), restart_tries))
                    time.sleep(1)
                    restart_tries -= 1

                    if restart_tries > 0:
                        continue
                    else:
                        return
            except ValueError:
                return
            except:
                pass

            raise

        try_restart = False