Message 141033 - Python tracker

Message141033

Author	ezio.melotti
Recipients	eric.araujo, ezio.melotti, jcea, max-alleged, petri.lehtinen, rhettinger, terry.reedy, xuanji
Date	2011-07-24.02:05:04
SpamBayes Score	3.0980277e-06
Marked as misclassified	No
Message-id	<1311473105.36.0.580086293798.issue12170@psf.upfronthosting.co.za>
In-reply-to

Content
> When an integer out of range(0, 256) is passed as the first argument, > should we raise a ValueError or a TypeError? ValueError = Inappropriate argument value (of correct type). TypeError = Inappropriate argument type. > Currently, a ValueError raised, but this may be bad for index and > rindex, as they raise a ValueError when the substring or byte is not found. Then the users should check if the value is in range(256) before passing it to (r)index.

Content

> When an integer out of range(0, 256) is passed as the first argument,
> should we raise a ValueError or a TypeError?

ValueError = Inappropriate argument value (of correct type).
TypeError = Inappropriate argument type.

> Currently, a ValueError raised, but this may be bad for index and 
> rindex, as they raise a ValueError when the substring or byte is not found.

Then the users should check if the value is in range(256) before passing it to (r)index.

History
Date	User	Action	Args
2011-07-24 02:05:05	ezio.melotti	set	recipients: + ezio.melotti, rhettinger, terry.reedy, jcea, eric.araujo, xuanji, max-alleged, petri.lehtinen
2011-07-24 02:05:05	ezio.melotti	set	messageid: <1311473105.36.0.580086293798.issue12170@psf.upfronthosting.co.za>
2011-07-24 02:05:04	ezio.melotti	link	issue12170 messages
2011-07-24 02:05:04	ezio.melotti	create