bpo-31238: pydoc ServerThread.stop() now joins itself (#3151)
* bpo-31238: pydoc ServerThread.stop() now joins itself ServerThread.stop() now joins itself to wait until DocServer.serve_until_quit() completes and then explicitly sets its docserver attribute to None to break a reference cycle. * Add NEWS.d entry
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@ -2297,6 +2297,10 @@ def _start_server(urlhandler, port):
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def stop(self):
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"""Stop the server and this thread nicely"""
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self.docserver.quit = True
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self.join()
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# explicitly break a reference cycle: DocServer.callback
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# has indirectly a reference to ServerThread.
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self.docserver = None
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self.serving = False
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self.url = None
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@ -0,0 +1,3 @@
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pydoc: the stop() method of the private ServerThread class now waits until
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DocServer.serve_until_quit() completes and then explicitly sets its
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docserver attribute to None to break a reference cycle.
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