Passing information between modules
Thomas Passin
list1 at tompassin.net
Sat Nov 19 16:28:43 EST 2022
On 11/19/2022 3:46 PM, Michael F. Stemper wrote:
> On 18/11/2022 04.53, Stefan Ram wrote:
>> Can I use "sys.argv" to pass information between modules
>> as follows?
>>
>> in module A:
>>
>> import sys
>> sys.argv.append( "Hi there!" )
>>
>> in module B:
>>
>> import sys
>> message = sys.argv[ -1 ]
>
> I just tried and it appears that one can append to sys.argv. However,
> it seems like an incredibly bad idea.
For that matter, you can just directly add attributes to the sys module,
no need to use sys.argv:
>>> import sys
>>> sys._extra = 'spam' # Not an exception
>>> print(sys._extra)
spam
Probably not the best idea, though. Better to use some module that you
control directly.
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