Read-only attribute in module

mloskot mateusz at loskot.net
Mon Feb 13 12:57:41 CET 2012


Terry Reedy wrote
> 
> On 2/10/2012 6:11 AM, mloskot wrote:
>> The intent of xyz.flag is that it is a value set by the module
>> internally.
>> xyz is a module wrapping a C library.
>> The C library defines concept of a global flag set by the C functions at
>> some events,
>> so user can check value of this flag.
>> I can provide access to it with function: xyz.get_flag()
> 
> If the value of the flag can change during a run, I would do that. 
> Otherwise, you have to make sure the local copy keeps in sync. Users 
> might also think that it is a true constant that they could read once.
> 
> I understand that you might be concerned that one person in a 
> multi-programmer project might decide to rebind xyz.flag and mess up 
> everyone else. I think the real solution might be an option to freeze an 
> entire module.
> 

Terry,

Thanks for your really helpful notes.

Best regards,


-----
-- 
Mateusz Loskot
http://mateusz.loskot.net
--
View this message in context: http://python.6.n6.nabble.com/Read-only-attribute-in-module-tp4378950p4464760.html
Sent from the Python - python-list mailing list archive at Nabble.com.



More information about the Python-list mailing list