Iteration of strings

[Chad Netzer]

On Friday 22 November 2002 14:58, Bjarke Dahl Ebert wrote:
> When writing small scripts in Python, I often make the same error:
>
> Some function expects a list of strings, and does something like
>     for elem in thestringlist: ...
>
> What do you think?

Use an assertion in your function (or script):

def dont_allow_string_argument( s ):
    assert not isinstance( s, type("") )

-- 
Bay Area Python Interest Group - http://www.baypiggies.net/

Chad Netzer
cnetzer at mail.arc.nasa.gov