1 # -*- coding: utf-8 -*-
2 # Copyright (c) 2013, 2014, 2015, 2020,2021 kaliko <kaliko@azylum.org>
4 # This file is part of sima
6 # sima is free software: you can redistribute it and/or modify
7 # it under the terms of the GNU General Public License as published by
8 # the Free Software Foundation, either version 3 of the License, or
9 # (at your option) any later version.
11 # sima is distributed in the hope that it will be useful,
12 # but WITHOUT ANY WARRANTY; without even the implied warranty of
13 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14 # GNU General Public License for more details.
16 # You should have received a copy of the GNU General Public License
17 # along with sima. If not, see <http://www.gnu.org/licenses/>.
23 # standard library import
27 from importlib import __import__ as sima_import
28 from os.path import isfile
32 # third parties components
36 from . import core, info
37 from .lib.logger import set_logger
38 from .lib.simadb import SimaDB
39 from .utils.config import ConfMan
40 from .utils.startopt import StartOpt
41 from .utils.utils import exception_log, SigHup, MPDSimaException
43 from .plugins.core.history import History
44 from .plugins.core.mpdoptions import MpdOptions
45 from .plugins.core.uniq import Uniq
49 def load_plugins(sima, source):
50 """Handles internal/external plugins
51 sima: sima.core.Sima instance
52 source: ['internal', 'contrib']
54 if not sima.config.get('sima', source):
56 logger = logging.getLogger('sima')
57 # TODO: Sanity check for "sima.config.get('sima', source)" ?
58 for plugin in sima.config.get('sima', source).split(','):
59 plugin = plugin.strip(' \n')
60 module = 'sima.plugins.{0}.{1}'.format(source, plugin.lower())
62 mod_obj = sima_import(module, fromlist=[plugin])
63 except ImportError as err:
64 logger.error('Failed to load "{}" plugin\'s module: '.format(plugin) +
65 '{0} ({1})'.format(module, err))
69 plugin_obj = getattr(mod_obj, plugin)
70 except AttributeError as err:
71 logger.error('Failed to load plugin %s (%s)', plugin, err)
74 logger.info('Loading {0} plugin: {name} ({doc})'.format(
75 source, **plugin_obj.info()))
76 sima.register_plugin(plugin_obj)
79 def start(sopt, restart=False):
83 cfg_mgmt = ConfMan(sopt.options)
84 config = cfg_mgmt.config
86 logger = logging.getLogger('sima')
87 logfile = config.get('log', 'logfile', fallback=None)
88 verbosity = config.get('log', 'verbosity')
89 set_logger(verbosity, logfile)
90 logger.debug('Command line say: %s', sopt.options)
92 # Create database if not present
93 db_file = config.get('sima', 'db_file')
94 if not isfile(db_file):
95 logger.debug('Creating database in "%s"', db_file)
96 SimaDB(db_path=db_file).create_db()
97 # Migration from v0.17.0
98 dbinfo = SimaDB(db_path=db_file).get_info()
99 if not dbinfo: # v0.17.0 → v0.18+ migration
100 logger.warning('Backing up database!')
101 rename(db_file, db_file + '-old-version-backup')
102 logger.info('Creating an new database in "%s"', db_file)
103 SimaDB(db_path=db_file).create_db()
105 if sopt.options.get('command'):
106 cmd = sopt.options.get('command')
107 if cmd == "generate-config":
108 config.write(sys.stdout, space_around_delimiters=True)
110 logger.info('Running "%s" and exit' % cmd)
111 if cmd == "config-test":
112 logger.info('Config location: "%s"', cfg_mgmt.conf_file)
113 from .utils.configtest import config_test
116 if cmd == "create-db":
117 if not isfile(db_file):
118 logger.info('Creating database in "%s"', db_file)
119 SimaDB(db_path=db_file).create_db()
121 logger.info('Database already there, not overwriting %s', db_file)
122 logger.info('Done, bye...')
124 if cmd == "purge-history":
125 db_file = config.get('sima', 'db_file')
126 if not isfile(db_file):
127 logger.warning('No db found: %s', db_file)
129 SimaDB(db_path=db_file).purge_history(duration=0)
132 logger.info('Starting (%s)...', info.__version__)
133 sima = core.Sima(config)
135 # required core plugins
136 core_plugins = [History, MpdOptions, Uniq]
137 if config.getboolean('sima', 'mopidy_compat'):
138 logger.warning('Running with mopidy compat. mode!')
139 core_plugins = [History, MpdOptions]
140 config['sima']['musicbrainzid'] = 'False'
141 for cplgn in core_plugins:
142 logger.debug('Register core %(name)s (%(doc)s)', cplgn.info())
143 sima.register_core_plugin(cplgn)
144 logger.debug('core loaded, prioriy: %s', ' > '.join(map(str, sima.core_plugins)))
146 # Loading internal plugins
147 load_plugins(sima, 'internal')
148 # Loading contrib plugins
149 load_plugins(sima, 'contrib')
150 logger.info('plugins loaded, prioriy: %s', ' > '.join(map(str, sima.plugins)))
153 if config.getboolean('daemon', 'daemon'):
157 logger.info('Daemonize process...')
162 except KeyboardInterrupt:
163 logger.info('Caught KeyboardInterrupt, stopping')
167 def run(sopt, restart=False):
169 Handles SigHup exception
170 Catches Unhandled exception
172 # pylint: disable=broad-except
173 logger = logging.getLogger('sima')
176 except SigHup: # SigHup inherit from Exception
178 except MPDSimaException as err:
181 except Exception: # Unhandled exception
187 nfo = dict({'version': info.__version__,
189 # StartOpt gathers options from command line call (in StartOpt().options)
194 if __name__ == '__main__':
198 # vim: ai ts=4 sw=4 sts=4 expandtab