112 lines
3.2 KiB
Python
112 lines
3.2 KiB
Python
# Python imports
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import builtins, threading
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# Lib imports
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# Application imports
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from utils.ipc_server import IPCServer
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# NOTE: Threads will not die with parent's destruction
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def threaded_wrapper(fn):
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def wrapper(*args, **kwargs):
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threading.Thread(target=fn, args=args, kwargs=kwargs, daemon=False).start()
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return wrapper
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# NOTE: Insure threads die with parent's destruction
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def daemon_threaded_wrapper(fn):
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def wrapper(*args, **kwargs):
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threading.Thread(target=fn, args=args, kwargs=kwargs, daemon=True).start()
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return wrapper
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class EventSystem(IPCServer):
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""" Inheret IPCServerMixin. Create an pub/sub systems. """
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def __init__(self):
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super(EventSystem, self).__init__()
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# NOTE: The format used is list of ['who', target, (data,)] Where:
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# who is the sender or target ID and is used for context and control flow,
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# method_target is the method to call,
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# data is the method parameters OR message data to give
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# Where data may be any kind of data
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self._gui_events = []
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self._module_events = []
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# Makeshift "events" system FIFO
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def _pop_gui_event(self) -> None:
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if len(self._gui_events) > 0:
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return self._gui_events.pop(0)
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return None
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def _pop_module_event(self) -> None:
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if len(self._module_events) > 0:
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return self._module_events.pop(0)
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return None
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def push_gui_event(self, event: list) -> None:
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if len(event) == 3:
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self._gui_events.append(event)
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return None
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raise Exception("Invald event format! Please do: ['sender_id': str, method_target: method, (data,): any]")
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def push_module_event(self, event: list) -> None:
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if len(event) == 3:
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self._module_events.append(event)
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return None
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raise Exception("Invald event format! Please do: ['target_id': str, method_target: method, (data,): any]")
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def read_gui_event(self) -> list:
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return self._gui_events[0] if self._gui_events else None
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def read_module_event(self) -> list:
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return self._module_events[0] if self._module_events else None
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def consume_gui_event(self) -> list:
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return self._pop_gui_event()
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def consume_module_event(self) -> list:
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return self._pop_module_event()
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class EndpointRegistry():
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def __init__(self):
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self._endpoints = {}
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def register(self, rule, **options):
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def decorator(f):
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_endpoint = options.pop("endpoint", None)
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self._endpoints[rule] = f
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return f
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return decorator
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def get_endpoints(self):
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return self._endpoints
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# NOTE: Just reminding myself we can add to builtins two different ways...
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# __builtins__.update({"event_system": Builtins()})
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builtins.app_name = "SolarFM"
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builtins.event_system = EventSystem()
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builtins.endpoint_registry = EndpointRegistry()
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builtins.threaded = threaded_wrapper
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builtins.daemon_threaded = daemon_threaded_wrapper
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builtins.event_sleep_time = 0.05
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builtins.trace_debug = False
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builtins.debug = False
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builtins.app_settings = None
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