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To: python-list@python.org
From: Thorsten Kampe <thorsten@thorstenkampe.de>
Subject: Run two processes in parallel
Date: Sun, 29 Mar 2015 10:11:47 +0200
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Xref: csiph.com comp.lang.python:88250

Hi,

I'd like to run two processes concurrently (either through a builtin 
module or a third-party). One is a "background" task and the other is 
displaying a spinner (for which I already found good packages).

The two processes do not have to communicate with each other; only 
the second should be able to know when the first has terminated. To 
make it clear, this is the pseudo-code:

```
import time, PARALLEL, spinner
process1 = PARALLEL.start(time.sleep(60))

while process1.isrunning
    spinner.update()
    time.sleep(1)

print('done')
```

>From what I see, Python modules threading and multiprocessing seem 
either not suited for that or to be too complicated (though I don't 
have any experience with these and could be wrong). A search on PyPi 
for parallel, background, and concurrent found too many.

What would you do? Which technique or module would you suggest?

Thorsten