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python Programming Glossary: p.joinPython multiprocessing global variable updates not returned to parent http://stackoverflow.com/questions/11055303/python-multiprocessing-global-variable-updates-not-returned-to-parent target q.put args Thing p.start print q.get p.join Output python mp.py got pickled got unpickled __main__.Thing..
Processing single file from multiple processes in python http://stackoverflow.com/questions/11196367/processing-single-file-from-multiple-processes-in-python in enumerate iters work.put num_and_line for p in pool p.join # get the results # example 1 foo 10 bar 0 start print sorted..
How to run Scrapy from within a Python script http://stackoverflow.com/questions/13437402/how-to-run-scrapy-from-within-a-python-script p Process target self._crawl args queue spider p.start p.join return queue.get True # Usage if __name__ __main__ log.start..
Log output of multiprocessing.Process http://stackoverflow.com/questions/1501651/log-output-of-multiprocessing-process args 'bob' p.start q Process target f args 'fred' q.start p.join q.join And running it ls m.py python m.py ls 27493.out 27494.out..
Solving embarassingly parallel problems using Python multiprocessing http://stackoverflow.com/questions/2359253/solving-embarassingly-parallel-problems-using-python-multiprocessing p in self.ps p.start self.pin.join i 0 for p in self.ps p.join print Done i i 1 self.pout.join self.infile.close def parse_input_csv..
Child processes created with python multiprocessing module won't print http://stackoverflow.com/questions/2774585/child-processes-created-with-python-multiprocessing-module-wont-print __name__ '__main__' p Process target f args 'bob' p.start p.join The output is blank. Note the following code using the threading.. '__main__' p threading.Thread target f args 'bob' p.start p.join Can you please point me to the solution Thanks in advance. ..
Multiprocessing: using Pool.map on a function defined in a class http://stackoverflow.com/questions/3288595/multiprocessing-using-pool-map-on-a-function-defined-in-a-class f args c x for x p c in izip X pipe p.start for p in proc p.join for p in proc return p.recv for p c in pipe if __name__ '__main__'..
Python multiprocessing continuously spawns pythonw.exe processes without doing any actual work http://stackoverflow.com/questions/3405397/python-multiprocessing-continuously-spawns-pythonw-exe-processes-without-doing-a x 2 sys.stdout.flush p Process target func args 2 p.start p.join p.terminate print 'done' sys.stdout.flush creates pythonw.exe.. __name__ '__main__' p Process target func args 2 p.start p.join p.terminate print 'done' sys.stdout.flush share improve this..
How can I send python multiprocessing Process output to a Tkinter gui http://stackoverflow.com/questions/4227808/how-can-i-send-python-multiprocessing-process-output-to-a-tkinter-gui args child_conn commands p.start print parent_conn.recv p.join The usual caveats about security apply here i.e. don't do this..
Exception thrown in multiprocessing Pool not detected http://stackoverflow.com/questions/6728236/exception-thrown-in-multiprocessing-pool-not-detected 1 raise Exception print 2 p Pool p.apply_async go p.close p.join prints 1 and stops silently. Interestingly raising a BaseException.. p LoggingPool processes 1 p.apply_async go p.close p.join This gives me 1 ERROR PoolWorker 1 Traceback most recent call..
Use numpy array in shared memory for multiprocessing http://stackoverflow.com/questions/7894791/use-numpy-array-in-shared-memory-for-multiprocessing finish the child process p Process target f args a p.start p.join # Print out the changed values print Now the first two elements.. p.map_async g slice i i step for i in range stop_f N step p.join assert np.allclose 1 M tonumpyarray shared_arr arr_orig def..
What should I do if socket.setdefaulttimeout() is not working? http://stackoverflow.com/questions/8464391/what-should-i-do-if-socket-setdefaulttimeout-is-not-working target pmain args child_pipe self.func args kargs p.start p.join self.timeout # wait for prcoess to end if p.is_alive p.terminate..
How does multiprocessing.Manager() work in python? http://stackoverflow.com/questions/9436757/how-does-multiprocessing-manager-work-in-python ns p multiprocessing.Process target f args ns p.start p.join print 'after' ns and the output is before Namespace x 1 y 2.. ns p multiprocessing.Process target f args ns p.start p.join print 'after' ns now the output is before Namespace x y after.. p multiprocessing.Process target f args ns ls di p.start p.join print 'after' ns ls di Output before Namespace x 1 y 1 z 1 1..
Can I create a shared multiarray or lists of lists object in python for multiprocessing? http://stackoverflow.com/questions/9754034/can-i-create-a-shared-multiarray-or-lists-of-lists-object-in-python-for-multipro lst # before 1 2 3 p Process target f args lst p.start p.join print lst # after 1 10 2 3 From the docs Server process managers..
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