MooJoo wrote:
> I've read that the Python interpreter is not thread-safe but are there
> any issues in creating threads that create new processes (not threads)
> that run new instantiations of python? What I'm doing is subclassing the
> threading.Thread and, in the run method, I'm making a call to os.system,
> passing to it another python script which then processes a file. When
> the call to os.system completes, the thread is finished. Here is a
> simplified fragment of code for what I'm doing.
>
> from threading import Thread
> import os
>
> class MyThread(Thread):
> def __init__(self, fn):
> Thread.__init__(self)
> self.fn = fn
>
> def run(self):
> pyscript = '/usr/bin/env python script.py %s'%self.fn
> status = os.system(pyscript)
>
> thr = MyThread('test.dat')
> thr.start()
> thr.join()
>
> Since I'm running each python instance in a new process, I don't believe
> that there is a problem and, in my testing so far, I haven't encountered
> anything that would lead me to believe there is a potential time bomb
> here. Am I correct in my assumption this is OK or just lucky so far?
>
FYI -- That's not multi threading that's multiprocessing. You're safe.
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