Delete thread2.py
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import threading
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import inspect
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import ctypes
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def _async_raise(tid, exctype):
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"""raises the exception, performs cleanup if needed"""
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if not inspect.isclass(exctype):
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raise TypeError("Only types can be raised (not instances)")
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res = ctypes.pythonapi.PyThreadState_SetAsyncExc(tid, ctypes.py_object(exctype))
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if res == 0:
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raise ValueError("invalid thread id")
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elif res != 1:
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# """if it returns a number greater than one, you're in trouble,
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# and you should call it again with exc=NULL to revert the effect"""
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ctypes.pythonapi.PyThreadState_SetAsyncExc(tid, 0)
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raise SystemError("PyThreadState_SetAsyncExc failed")
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class Thread(threading.Thread):
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def _get_my_tid(self):
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"""determines this (self's) thread id"""
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if not self.isAlive():
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raise threading.ThreadError("the thread is not active")
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# do we have it cached?
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if hasattr(self, "_thread_id"):
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return self._thread_id
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# no, look for it in the _active dict
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for tid, tobj in threading._active.items():
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if tobj is self:
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self._thread_id = tid
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return tid
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raise AssertionError("could not determine the thread's id")
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def raise_exc(self, exctype):
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"""raises the given exception type in the context of this thread"""
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_async_raise(self._get_my_tid(), exctype)
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def terminate(self):
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"""raises SystemExit in the context of the given thread, which should
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cause the thread to exit silently (unless caught)"""
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self.raise_exc(SystemExit)
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