Author mark.dickinson
Recipients WitcherGeralt, mark.dickinson
Date 2013-08-03.12:07:09
SpamBayes Score -1.0
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Message-id <1375531630.05.0.324846148411.issue18642@psf.upfronthosting.co.za>
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What's wrong with:

if not isinstance(data, basestring):
    raise TypeError(...)

?

In any case, you appear to be wanting to use assert to check user input.  That's not its intended use;  instead, it's there for making debugging assertions.  Bear in mind that when running in optimized mode (with python -O), Python won't execute those asserts at all.  (See http://docs.python.org/3.4/reference/simple_stmts.html#the-assert-statement for more.)

I think this should be rejected.
History
Date User Action Args
2013-08-03 12:07:10mark.dickinsonsetrecipients: + mark.dickinson, WitcherGeralt
2013-08-03 12:07:10mark.dickinsonsetmessageid: <1375531630.05.0.324846148411.issue18642@psf.upfronthosting.co.za>
2013-08-03 12:07:10mark.dickinsonlinkissue18642 messages
2013-08-03 12:07:09mark.dickinsoncreate