How to know more about an exception?

[Diez B. Roggisch]

Timmy schrieb:
> Hi, 
>    I has a question about exception in python.
>    I know that an exception can be re-raised. 
> Is there any simple way provided by python itself that I can know the current exception is 
> just firstly occurred or it is re-raised by previous exception?
> I need to know whether the exception is firstly occurred or not because I want to just display an error message if it's
> firstly occur and skip display error message if it is just re-raised by previous exception.

No, that's not possible. What you can do is either

 - wrap the exception instead of re-raising it

 - set some property on the exception before re-raising.


Diez