Python handles globals badly.

tdev at freenet.de tdev at freenet.de
Thu Sep 3 00:25:46 CEST 2015


Reflecting the answers I want to add following:

Considering class usage is something I thought about 
but is not the way I want use Python so far. 
If so, I could stay on oo-scripting languages as well.

It is the good idea of Python about modules which are singletons 
and therefore have already its state (so in some way they are already somehow 
like classes - except the bad annoying thing with the "global" statement).


That said, it is not an overusing of globals cause globals are module vars only.
Or have you never written singletons or other classes in e.g Java, C++ with 
lots of static and class members and methods using this members. 
With globals in Python are not meant traditional globals (app spanning vars) as already said.
Globals in Python are like class-members and statics in OO-languages. Globals are module scope!
And therefore it is not the devil or evil problem or code desaster problem
or LUA's opposite approach. 

(local/nonlocal statements I think are needed cause of lambda functionality and 
 is not what I try to discuss here)

Hopefully this clarifies a bit more my point of view and you can 
now agree that using "global" is not only over-regulated but also ugly code.
At least the developer should be free to use the "global"-statement 
(if one really need this?) or not (myself, and hopefully a lot other).  

Therefore still hoping a new PEP will arise.


@Mark Lawrence  
This response I have not checked. Can you provide arguments or clarify your statement?


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