class App(object):
def __init__(self, name, config={}):
self.name = name
self.config = Configure(config)
self.__init_local_and_global()
self.__init_logger()
self.__init_broker_and_processors()
self.__init_runtime_tree_storage()
def __init_local_and_global(self):
local_defaults = {
'event_handler_map': dict,
}
self.__local = Local(**local_defaults)
self.__global = self
self.__global.event_handler_map = {}
def __init_logger(self):
self.logger = logging.getLogger(self.name)
self.logger.propagate = 0
formatter = logging.Formatter(
'[%(asctime)s: %(levelname)s] %(message)s')
if self.config.debug:
ch = logging.StreamHandler(sys.stdout)
ch.setFormatter(formatter)
ch.setLevel(logging.DEBUG)
self.logger.addHandler(ch)
self.logger.setLevel(logging.DEBUG)
else:
fh = logging.FileHandler(self.config.log_path)
fh.setFormatter(formatter)
fh.setLevel(logging.INFO)
self.logger.addHandler(fh)
self.logger.setLevel(logging.INFO)
def __init_broker_and_processors(self):
self.__broker = Broker(self)
self.__event_processor = EventProcessor(0, self)
self.__event_processors = list()
for i in range(self.config.processor_num):
id = i + 1
event_channel = EventChannel()
event_channel.register(self.__broker)
event_processor = EventProcessor(id, self, event_channel)
self.__event_processors.append(event_processor)
def __init_runtime_tree_storage(self):
self.runtime_tree_storage = RuntimeTreeStorage(self.config.runtime_db)
def __load_include_modules(self):
pass
def start(self):
self.__broker.start()
for event_processor in self.__event_processors:
event_processor.start()
def stop(self):
self.__broker.stop()
for event_processor in self.__event_processors:
event_processor.stop()
def find_handlers(self, event_name):
handlers = []
if event_name in self.__global.event_handler_map:
handlers.extend(self.__global.event_handler_map[event_name])
if event_name in self.__local.event_handler_map:
handlers.extend(self.__local.event_handler_map[event_name])
return handlers
def on(self, event_name, handler, local=False):
if local:
if event_name not in self.__local.event_handler_map:
self.__local.event_handler_map[event_name] = []
self.__local.event_handler_map[event_name].append(handler)
else:
if event_name not in self.__global.event_handler_map:
self.__global.event_handler_map[event_name] = []
self.__global.event_handler_map[event_name].append(handler)
def fire(self, event, background=True):
if background:
self.__broker.put(event)
else:
return self.__event_processor.process_event(event)
def handler(self, event_name, throws_events=list(), local=False):
def decorator(func):
self.on(event_name, Handler(func, throws_events), local)
def wrapper(*args, **kw):
return func(*args, **kw)
return wrapper
return decorator
class App(object):
def __init__(self, name, config={}):
self.name = name
self.config = Configure(config)
self.__init_local_and_global()
self.__init_logger()
self.__init_broker_and_processors()
self.__init_runtime_tree_storage()
def __init_local_and_global(self):
local_defaults = {
'event_handler_map': dict,
}
self.__local = Local(**local_defaults)
self.__global = self
self.__global.event_handler_map = {}
def __init_logger(self):
self.logger = logging.getLogger(self.name)
self.logger.propagate = 0
formatter = logging.Formatter(
'[%(asctime)s: %(levelname)s] %(message)s')
if self.config.debug:
ch = logging.StreamHandler(sys.stdout)
ch.setFormatter(formatter)
ch.setLevel(logging.DEBUG)
self.logger.addHandler(ch)
self.logger.setLevel(logging.DEBUG)
else:
fh = logging.FileHandler(self.config.log_path)
fh.setFormatter(formatter)
fh.setLevel(logging.INFO)
self.logger.addHandler(fh)
self.logger.setLevel(logging.INFO)
def __init_broker_and_processors(self):
self.__broker = Broker(self)
self.__event_processor = EventProcessor(0, self)
self.__event_processors = list()
for i in range(self.config.processor_num):
id = i + 1
event_channel = EventChannel()
event_channel.register(self.__broker)
event_processor = EventProcessor(id, self, event_channel)
self.__event_processors.append(event_processor)
def __init_runtime_tree_storage(self):
self.runtime_tree_storage = RuntimeTreeStorage(self.config.runtime_db)
def __load_include_modules(self):
pass
def start(self):
self.__broker.start()
for event_processor in self.__event_processors:
event_processor.start()
def stop(self):
self.__broker.stop()
for event_processor in self.__event_processors:
event_processor.stop()
def find_handlers(self, event_name):
handlers = []
if event_name in self.__global.event_handler_map:
handlers.extend(self.__global.event_handler_map[event_name])
if event_name in self.__local.event_handler_map:
handlers.extend(self.__local.event_handler_map[event_name])
return handlers
def on(self, event_name, handler, local=False):
if local:
if event_name not in self.__local.event_handler_map:
self.__local.event_handler_map[event_name] = []
self.__local.event_handler_map[event_name].append(handler)
else:
if event_name not in self.__global.event_handler_map:
self.__global.event_handler_map[event_name] = []
self.__global.event_handler_map[event_name].append(handler)
def fire(self, event, background=True):
if background:
self.__broker.put(event)
else:
return self.__event_processor.process_event(event)
def handler(self, event_name, throws_events=list(), local=False):
def decorator(func):
self.on(event_name, Handler(func, throws_events), local)
def wrapper(*args, **kw):
return func(*args, **kw)
return wrapper
return decorator
