#!/usr/bin/env python3
# -*- coding: utf-8 -*-
+"""Sima
+"""
+
+# standart library import
+import logging
+import sys
+
+from importlib import __import__
+from os.path import isfile
+##
+
+# third parties components
+##
+
+# local import
+from sima import core
+from sima.lib.logger import set_logger
+from sima.lib.simadb import SimaDB
+from sima.utils.config import ConfMan
+from sima.utils.startopt import StartOpt
+from sima.utils.utils import exception_log
+ # core plugins
+from sima.plugins.core.history import History
+from sima.plugins.core.mpdoptions import MpdOptions
+##
+
+
+def load_plugins(sima, source):
+ """Handles internal/external plugins
+ sima: sima.core.Sima instance
+ source: ['internal', 'contrib']
+ """
+ if not sima.config.get('sima', source ):
+ return
+ logger = logging.getLogger('sima')
+ for plugin in sima.config.get('sima', source).split(','):
+ plugin = plugin.strip(' \n')
+ module = 'sima.plugins.{0}.{1}'.format(source, plugin.lower())
+ try:
+ mod_obj = __import__(module, fromlist=[plugin])
+ except ImportError as err:
+ logger.error('Failed to load plugin\'s module: {0} ({1})'.format(module, err))
+ sima.shutdown()
+ try:
+ plugin_obj = getattr(mod_obj, plugin)
+ except AttributeError as err:
+ logger.error('Failed to load plugin {0} ({1})'.format(plugin, err))
+ sima.shutdown()
+ logger.info('Loading {0} plugin: {name} ({doc})'.format(source, **plugin_obj.info()))
+ sima.register_plugin(plugin_obj)
+
def main():
- from sima import core
- from sima.plugins.crop import Crop
- m = core.Sima()
- m.register_plugin(Crop)
+ """Entry point, deal w/ CLI and starts application
+ """
+ info = dict({'version': core.__version__,
+ 'prog': 'sima'})
+ # StartOpt gathers options from command line call (in StartOpt().options)
+ sopt = StartOpt(info)
+ # set logger
+ verbosity = sopt.options.get('verbosity', 'warning')
+ logfile = sopt.options.get('logfile', None)
+ cli_loglevel = getattr(logging, verbosity.upper())
+ set_logger(level=verbosity, logfile=logfile)
+ logger = logging.getLogger('sima')
+ logger.setLevel(cli_loglevel)
+ # loads configuration
+ config = ConfMan(logger, sopt.options).config
+ logger.setLevel(getattr(logging,
+ config.get('log', 'verbosity').upper())) # pylint: disable=E1103
+
+ logger.debug('Command line say: {0}'.format(sopt.options))
+ # Create Database
+ db_file = config.get('sima', 'db_file')
+ if (sopt.options.get('create_db', None)
+ or not isfile(db_file)):
+ logger.info('Creating database in "{}"'.format(db_file))
+ open(db_file, 'a').close()
+ SimaDB(db_path=db_file).create_db()
+ if sopt.options.get('create_db', None):
+ logger.info('Done, bye...')
+ sys.exit(0)
+
+ logger.info('Starting...')
+ sima = core.Sima(config)
+
+ # required core plugins
+ sima.register_plugin(History)
+ sima.register_plugin(MpdOptions)
+
+ # Loading internal plugins
+ load_plugins(sima, 'internal')
+
+ # Loading contrib plugins
+ load_plugins(sima, 'contrib')
+
+ # Run as a daemon
+ if config.getboolean('daemon', 'daemon'):
+ sima.start()
+
try:
- m.run()
+ sima.foreground()
except KeyboardInterrupt:
- m.shutdown()
+ logger.info('Caught KeyboardInterrupt, stopping')
+ sima.shutdown()
+
+def run():
+ """Catching broad exception
+ """
+ # pylint: disable=broad-except
+ try:
+ main()
+ except Exception:
+ exception_log()
# Script starts here
if __name__ == '__main__':
- main()
-
+ run()
# VIM MODLINE
# vim: ai ts=4 sw=4 sts=4 expandtab