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from threading import Thread |
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import logging |
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import os |
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from plugin.core.helpers.variable import resolve |
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from plugin.core.importer import import_modules |
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log = logging.getLogger(__name__) |
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MODULES = {} |
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def module(start=False, priority=100, blocking=False): |
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def wrap(kls): |
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module_register(kls, start=start, priority=priority, blocking=blocking) |
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return kls |
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return wrap |
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def module_register(kls, **kwargs): |
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start = kwargs.get('start', False) |
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if start: |
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# Validate "start" option |
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f_start = getattr(kls, 'start', None) |
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if not f_start or not f_start.im_self: |
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log.warn('Unable to find bound "start" method for %r', kls) |
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start = False |
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# Register module |
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MODULES[kls] = { |
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'start': start, |
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'priority': kwargs.get('priority', 100), |
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'blocking': kwargs.get('blocking', False) |
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} |
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def module_start(): |
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# Import modules |
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plugin_dir = os.path.abspath(os.path.join(os.path.dirname(__file__), '..', '..')) |
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log.debug('plugin_dir: %r', plugin_dir) |
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import_modules(os.path.join(plugin_dir, 'api'), exclude=[ |
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'__init__.py', |
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'core' |
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]) |
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import_modules(os.path.join(plugin_dir, 'api', 'account'), exclude=[ |
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'__init__.py' |
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]) |
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import_modules(os.path.join(plugin_dir, 'api', 'session'), exclude=[ |
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'__init__.py' |
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]) |
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import_modules(os.path.join(plugin_dir, 'managers'), exclude=[ |
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'__init__.py', |
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'core' |
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]) |
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import_modules(os.path.join(plugin_dir, 'modules'), exclude=[ |
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'__init__.py', |
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'backup', |
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'core' |
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]) |
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import_modules(os.path.join(plugin_dir, 'scrobbler'), exclude=[ |
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'__init__.py', |
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'core', |
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'handlers', |
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'methods' |
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]) |
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import_modules(os.path.join(plugin_dir, 'scrobbler', 'handlers'), exclude=[ |
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'__init__.py' |
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]) |
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# Start modules |
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modules = sorted(MODULES.items(), key=lambda item: item[1]['priority']) |
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log.debug('Starting %d module(s)...', len(modules)) |
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for kls, options in modules: |
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if not options['start']: |
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continue |
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log.debug(' -> %s (priority: %d, blocking: %s)', kls.__name__, options['priority'], options['blocking']) |
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f_start = getattr(kls, 'start') |
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try: |
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# Start module |
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if options['blocking']: |
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f_start() |
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else: |
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options['thread'] = spawn(f_start, _name=kls.__name__) |
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except Exception, ex: |
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log.error('Unable to start %r module: %s', kls, ex, exc_info=True) |
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log.debug('Finished starting %d module(s)', len(modules)) |
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def spawn(func, *args, **kwargs): |
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name = kwargs.pop('_name', func.__name__) |
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# Construct thread wrapper to log exceptions |
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def wrapper(th_name, *args, **kwargs): |
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try: |
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func(*args, **kwargs) |
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except Exception, ex: |
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log.error('Thread "%s" raised an exception: %s', th_name, ex, exc_info=True) |
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# Spawn thread |
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try: |
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thread = Thread(target=wrapper, name=name, args=[name] + (args or []), kwargs=kwargs) |
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thread.start() |
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except Exception, ex: |
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log.warn('Unable to spawn thread: %s', ex, exc_info=True) |
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return None |
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log.info('Spawned thread with name "%s"', name) |
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return thread |
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1 |
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def synchronized(lock): |
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def outer(func): |
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def inner(*args, **kwargs): |
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with resolve(lock, args[0]): |
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return func(*args, **kwargs) |
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return inner |
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return outer |
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