logging: getLogger() or getLogger(__name__)?

[Laurent Pointal]

Malcolm Greene wrote:

> I've read that best practice for logging is to place the following line
> at the top of all modules:
>  
> logger = getLogger(__name__)
>  
> I'm curious why the following technique wouldn't be a better choice:
>  
> logger = getLogger()
>  
> Are there scenarios that favor one style over another?

With __name__ you will have one logger per source file (module), with 
corresponding filtering possibilities, and organized hierarchically as are 
packages (logging use . to built its loggers hierarchy). 

Without __name__, you have one global default logger.

>  
> Thank you,
> Malcolm