Roy Smith roy at panix.com
Fri Dec 23 15:00:17 EST 2011

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In article 
<4652751.858.1324669248908.JavaMail.geo-discussion-forums at prj1>,
 Gnarlodious <gnarlodious at gmail.com> wrote:

> I am rolling my own, and learning Python at the same time.

Hmmm.  The imp module is kind of deep magic for a first introduction to 
the language.  But, whatever.

> One more question. Say I want to assemble a list of tuples like this:
> 
> modules = ['wsgiref', 'http']
> import imp
> [(imp.find_module(module)[1], os.path.getmtime(imp.find_module(module)[1])) 
> for module in modules]
> 
> Can I in some way assign imp.find_module(module)[1] to a variable and reuse 
> it? Is this a job for lambda?

I think what you want to do is rewrite the list comprehension as a 
regular loop.

my_list = []
for module in modules:
   m = imp.find_module(module)[1]
   my_list.append(m, os.path.getmtime(m))

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