Maraschino.py

#!/usr/bin/env python
# -*- coding: utf-8 -*-
"""This is the main executable of Maraschino. It parses the command line arguments, does init and calls the start function of Maraschino."""

import sys
import os


# Check if frozen by py2exe
def check_frozen():
    return hasattr(sys, 'frozen')


def get_rundir():
    if check_frozen():
        return os.path.abspath(unicode(sys.executable, sys.getfilesystemencoding( )))

    return os.path.abspath(__file__)[:-13]

# Set the rundir
rundir = get_rundir()

# Include paths
sys.path.insert(0, rundir)
sys.path.insert(0, os.path.join(rundir, 'lib'))

# Create Flask instance
from flask import Flask
app = Flask(__name__)

# If frozen, we need define static and template paths
if check_frozen():
    app.root_path = rundir
    app.static_path = '/static'
    app.add_url_rule(
        app.static_path + '/<path:filename>',
        endpoint='static',
        view_func=app.send_static_file
    )

    from jinja2 import FileSystemLoader
    app.jinja_loader = FileSystemLoader(os.path.join(rundir, 'templates'))


def import_modules():
    """All modules that are available in Maraschino are at this point imported."""
    import modules.applications
    import modules.couchpotato
    import modules.diskspace
    import modules.headphones
    import modules.index
    import modules.ipcamera
    import modules.log
    import modules.nzbget
    import modules.plex
    import modules.sabnzbd
    import modules.script_launcher
    import modules.search
    import modules.sickbeard
    import modules.trakt
    import modules.traktplus
    import modules.transmission
    import modules.updater
    import modules.utorrent
    import modules.weather
    import mobile


@app.teardown_request
def shutdown_session(exception=None):
    """This function is called as soon as a session is shutdown and makes sure, that the db session is also removed."""
    from maraschino.database import db_session
    db_session.remove()

import maraschino

def main():
    """Main function that is called at the startup of Maraschino."""
    from optparse import OptionParser

    p = OptionParser()

    # define command line options
    p.add_option('-p', '--port',
                 dest='port',
                 default=None,
                 help="Force webinterface to listen on this port")
    p.add_option('-d', '--daemon',
                 dest='daemon',
                 action='store_true',
                 help='Run as a daemon')
    p.add_option('--pidfile',
                 dest='pidfile',
                 help='Create a pid file (only relevant when running as a daemon)')
    p.add_option('--log',
                 dest='log',
                 help='Create a log file at a desired location')
    p.add_option('-v', '--verbose',
                 dest='verbose',
                 action='store_true',
                 help='Silence the logger')
    p.add_option('--develop',
                 action="store_true",
                 dest='develop',
                 help="Start instance of development server")
    p.add_option('--database',
                 dest='database',
                 help='Custom database file location')
    p.add_option('--webroot',
                 dest='webroot',
                 help='Web root for Maraschino')
    p.add_option('--host',
                 dest='host',
                 help='Web host for Maraschino')
    p.add_option('--kiosk',
                 dest='kiosk',
                 action='store_true',
                 help='Disable settings in the UI')
    p.add_option('--datadir',
                 dest='datadir',
                 help='Write program data to custom location')
    p.add_option('--noupdate',
                 action="store_true",
                 dest='noupdate',
                 help='Disable the internal updater')

    # parse command line for defined options
    options, args = p.parse_args()

    if options.datadir:
        data_dir = options.datadir
    else:
        data_dir = rundir

    if options.daemon:
        maraschino.DAEMON = True
        maraschino.VERBOSE = False

    if options.pidfile:
        maraschino.PIDFILE = options.pidfile
        maraschino.VERBOSE = False

    if options.port:
        PORT = int(options.port)
    else:
        PORT = 7000

    if options.log:
        maraschino.LOG_FILE = options.log

    if options.verbose:
        maraschino.VERBOSE = True

    if options.develop:
        maraschino.DEVELOPMENT = True

    if options.database:
        DATABASE = options.database
    else:
        DATABASE = os.path.join(data_dir, 'maraschino.db')

    if options.webroot:
        maraschino.WEBROOT = options.webroot

    if options.host:
        maraschino.HOST = options.host

    if options.kiosk:
        maraschino.KIOSK = True

    if options.noupdate:
        maraschino.UPDATER = False

    maraschino.RUNDIR = rundir
    maraschino.DATA_DIR = data_dir
    maraschino.FULL_PATH = os.path.join(rundir, 'Maraschino.py')
    maraschino.ARGS = sys.argv[1:]
    maraschino.PORT = PORT
    maraschino.DATABASE = DATABASE

    maraschino.initialize()

    if maraschino.PIDFILE or maraschino.DAEMON:
        maraschino.daemonize()

    import_modules()
    maraschino.init_updater()

    maraschino.start()


if __name__ == '__main__':
    main()