Should I use stackless python or threads?

[Lie Ryan]

Minesh Patel wrote:
> On Fri, Mar 6, 2009 at 3:16 PM, Jean-Paul Calderone <exarkun at divmod.com> wrote:
>> On Fri, 6 Mar 2009 14:50:51 -0800, Minesh Patel <minesh at gmail.com> wrote:
>>> I am trying to figure out the best approach to solve this problem:
>>>
>>> I want to poll various directories(can be run in the main thread).
>>> Once I notice a file has been added to any directory, I grab a lock,
>>> spawn a thread to go perform the necessary actions, and then release
>>> the lock.
>> That's not a description of a problem.  That's a description of a potential
>> solution.  What problem are you trying to solve?
>>
> 
> I have a build system that is outputting various forms of
> installations in a particular directory structure, e.g. /pxe-installs,
> /iso-install, /dd-installs, etc...
> 
> I need to monitor each directory for the latest install, take it and
> go perform some tests on a specific machine. I would like these
> testing tasks to run concurrently for the obvious reasons.

Why not use subprocess. For each update to the directory you spawn a new 
subprocess.