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@schlamar
Last active Aug 29, 2015
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class Func(object):
_on_start = list()
_on_exit = list()
@classmethod
def register_on_start(cls, callback):
cls._on_start.append(callback)
@classmethod
def register_on_exit(self, callback):
self._on_exit.append(callback)
def run(self):
self._run_callbacks(self._on_start)
self._run_callbacks(self._on_exit)
def _run_callbacks(self, callbacks):
for callback in callbacks:
callback(self)
_proc_data = dict()
def _on_start(proc):
proc_data = id(proc)
_proc_data[proc] = proc_data
def _on_exit(proc):
proc_data = _proc_data.pop(proc)
print 'on_exit', proc_data
def main():
Func.register_on_start(_on_start)
Func.register_on_exit(_on_exit)
f = Func()
f.run()
if __name__ == '__main__':
main()
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