How to initialize a class variable once
joe at strout.net
Tue Dec 9 16:36:50 CET 2008
On Dec 9, 2008, at 4:31 AM, Brian Allen Vanderburg II wrote:
> There is one situation where a module can be imported/executed
> twice, if it is the __main__ module.
That's an excellent point -- this is something I've run into, and it
always feels a bit awkward to code around it. What's the standard
idiom for avoiding this issue in a complex app? Have a "main" file
that is not imported by anything else, and which does little but
launch stuff from some other module?
As I say it, that seems obvious, but somehow I keep getting urges to
put global stuff (like my Application subclass) in the main file, and
then I find I need to reference it from some other module, and get
into trouble. This is probably just bias from my last programming
environment, though. I can adapt.
Anyway, thanks for pointing this out; I bet it's the root cause of the
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