[Python-ideas] (no subject)

[Neil Girdhar]

On Tuesday, November 29, 2016 at 4:08:19 AM UTC-5, Victor Stinner wrote:
>
> Hi, 
>
> Python is optimized for performance. Formatting an error message has a 
> cost on performances. 
>
>
Usually, when an exception is hit that will (probably) crash the program, 
no one cares about less than a microsecond of performance.
 

> I suggest you to teach your student to use the REPL and use a custom 
> exception handler: sys.excepthook: 
> https://docs.python.org/2/library/sys.html#sys.excepthook 
>
> Using a custom exception handler, you can run expensive functions, 
> like the feature: "suggest len when length is used". 
>
> The problem is then when students have to use a Python without the 
> custom exception handler. 
>
> Victor 
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