X-Git-Url: http://git.kaliko.me/?a=blobdiff_plain;f=launch;h=e4c44b5c8207fcd30c70024ecb73fab985e2cb9f;hb=e09e76d41b2f041de935e9e884009e3187005ab9;hp=83ba3bad9208d6e0cbe6cc1f9c14b4b60d1d079f;hpb=1cc879f39941fc302f9a841a532c9f749797cca4;p=mpd-sima.git

diff --git a/launch b/launch
index 83ba3ba..e4c44b5 100755
--- a/launch
+++ b/launch
@@ -1,20 +1,122 @@
 #!/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
+##
+# internal plugins
+from sima.plugins.crop import Crop
+from sima.plugins.addhist import History
+from sima.plugins.lastfm import Lastfm
+from sima.plugins.mpd import MpdOptions
+from sima.plugins.randomfallback import RandomFallBack
+
+# official plugins to start
+PLUGINS = (Crop, History, MpdOptions,
+           Lastfm, RandomFallBack)
+
+
+def load_contrib_plugins(sima):
+    """Handles contrib/external plugins
+    """
+    if not sima.config.has_option('sima', 'plugins'):
+        return
+    logger = logging.getLogger('sima')
+    for plugin in sima.config.get('sima','plugins').split(','):
+        plugin = plugin.strip(' \n')
+        module = 'sima.plugins.contrib.{}'.format(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 contrib plugin: {name} ({doc})'.format(**plugin_obj.info()))
+        sima.register_plugin(plugin_obj)
+
+
+def load_internal_plugins(sima):
+    """Handles contrib/external plugins
+    """
+    raise NotImplementedError
+
 
 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__,})
+    # StartOpt gathers options from command line call (in StartOpt().options)
+    sopt = StartOpt(info)
+    # set logger
+    verbosity = sopt.options.get('verbosity', 'warning')
+    cli_loglevel = getattr(logging, verbosity.upper())
+    set_logger(level=verbosity)
+    logger = logging.getLogger('sima')
+    logger.setLevel(cli_loglevel)
+    # loads configuration
+    conf_manager = ConfMan(logger, sopt.options)
+    config = conf_manager.config
+    logger.setLevel(getattr(logging,
+                    config.get('log', 'verbosity').upper()))  # pylint: disable=E1103
+
+    logger.debug('Command line say: {0}'.format(sopt.options))
+
+    # Create Database
+    if (sopt.options.get('create_db', None)
+       or not isfile(conf_manager.db_file)):
+        logger.info('Creating database in "{}"'.format(conf_manager.db_file))
+        open(conf_manager.db_file, 'a').close()
+        SimaDB(db_path=conf_manager.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, conf_manager.db_file)
+
+    #  Loading internal plugins
+    for plugin in PLUGINS:
+        logger.info('Loading internal plugin: {name} ({doc})'.format(**plugin.info()))
+        sima.register_plugin(plugin)
+
+    #  Loading contrib plugins
+    load_contrib_plugins(sima)
     try:
-        m.run()
+        sima.run()
     except KeyboardInterrupt:
-        m.shutdown()
+        logger.info('Caught KeyboardInterrupt, stopping')
+        sima.shutdown()
 
 
 # Script starts here
 if __name__ == '__main__':
-    main()
+    # pylint: disable=broad-except
+    try:
+        main()
+    except Exception:
+        exception_log()
 
 
 # VIM MODLINE