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Newbie: use of built-in exceptions

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  Newbie: use of built-in exceptions Rui Maciel <rui.maciel@gmail.com> - 2013-09-01 12:17 +0100
    Re: Newbie: use of built-in exceptions Chris “Kwpolska” Warrick <kwpolska@gmail.com> - 2013-09-01 13:26 +0200
      Re: Newbie: use of built-in exceptions Rui Maciel <rui.maciel@gmail.com> - 2013-09-02 18:32 +0100

#53411 — Newbie: use of built-in exceptions

Are there any guidelines on the use (and abuse) of Python's built-in exceptions, telling where 
it's ok to raise them and where it's preferable to define custom exceptions instead?  


Thanks in advance,
Rui Maciel

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#53412

On Sun, Sep 1, 2013 at 1:17 PM, Rui Maciel <rui.maciel@gmail.com> wrote:
> Are there any guidelines on the use (and abuse) of Python's built-in exceptions, telling where
> it's ok to raise them and where it's preferable to define custom exceptions instead?

There are no rules.  You should use common sense instead: if the
exception fits your needs (eg. ValueError when incorrect output
occurs) then use it.

-- 
Chris “Kwpolska” Warrick <http://kwpolska.tk>
PGP: 5EAAEA16
stop html mail | always bottom-post | only UTF-8 makes sense

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#53513

Chris “Kwpolska” Warrick wrote:

> There are no rules.  You should use common sense instead: if the
> exception fits your needs (eg. ValueError when incorrect output
> occurs) then use it.

Ok, thanks for the tip.


Rui Maciel

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