I have the following code test.py:
#multiprocessing in the interactive Python
import time
from multiprocessing import Process, Pipe
def MyProcess(a):
while(1):
time.sleep(1)
a.send("tic")
if __name__ == "__main__":
a, b = Pipe()
p = Process(target=MyProcess, args=(a,))
p.start()
while(1):
msg=b.recv()
print(msg)
It works fine if I execute it in the DOS shell "python test.py" But it doesn't work if I use "Execute File" from IEP (Pyzo).
Traceback (most recent call last):
File "<string>", line 1, in <module>
File "C:\pyzo2014a_64b\lib\multiprocessing\spawn.py", line 106, in spawn_main
exitcode = _main(fd)
File "C:\pyzo2014a_64b\lib\multiprocessing\spawn.py", line 116, in _main
self = pickle.load(from_parent)
AttributeError: Can't get attribute 'MyProcess' on <module '__main__' (built-in)>
I found that this is a documented 'issue'. Please check the answer of the link below.
multiprocessing breaks in interactive mode
Does it mean that I should not use multiprocessing package from the interactive Python? Does it mean I can not create a process from the IPython console? Any clarification on this will be highly appreciated