Read-only attribute in module

Mark Lawrence breamoreboy at yahoo.co.uk
Thu Feb 9 20:35:13 CET 2012


On 09/02/2012 11:43, Mateusz Loskot wrote:
> Hi,
>
> I'm implementing Python 3 extension using the Python C API.
> I am familiar with defining new types, implementing get/set for attributes, etc.
>
> I'm wondering, is there any mean to implement attribute in module
> scope which is read-only?
>
> So, the following
>
> import xyz
> print(xyz.flag)  # OK
> xyz.flag = 0    # error due to no write access
>
> Best regards,

There's a recipe by Alex Martelli here 
http://code.activestate.com/recipes/65207-constants-in-python/ but most 
people wouldn't bother with it.  As others have said simply use 
THIS_IS_A_CONSTANT.

-- 
Cheers.

Mark Lawrence.




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