Groups | Search | Server Info | Keyboard shortcuts | Login | Register [http] [https] [nntp] [nntps]

Groups > comp.lang.python > #25766

Re: A thread import problem

Show all headers | View raw

Thanks much for this clear statement. I hadn't managed to find any
documentation on this specific issue.

Bruce Sherwood

On Sat, Jul 21, 2012 at 10:26 AM, Dave Angel <d@davea.name> wrote:
> Two of the things you mustn't do during an import:
>
> 1) start or end any threads
> 2) import something that's already in the chain of pending imports.
> (otherwise known as recursive imports, or import loop).  And there's a
> special whammy reserved for those who import the script as though it
> were a module.
>
> Like any rule, there are possible exceptions.  But you're much better
> off factoring your code better.
>
> I haven't managed to understand your software description, so i'm not
> making a specific suggestion.  But I know others have pointed out that
> you should do as little as possible in top-level code of an imported
> module.  Make the work happen in a function, and call that function from
> the original script, not from inside some import.  An imported module's
> top-level code should do nothing more complex than initialize module
> constants.
>
>
> --
>
> DaveA
>
>

Back to comp.lang.python | Previous | Next | Find similar | Unroll thread

Thread

Re: A thread import problem Bruce Sherwood <bruce.sherwood@gmail.com> - 2012-07-21 14:36 -0600

csiph-web