Single string vs list of strings

Joe Strout joe at strout.net
Thu Oct 30 16:10:18 CET 2008


On Oct 30, 2008, at 8:55 AM, Grant Edwards wrote:

> The question you might want to asked is whether the parameter
> is a single string or a sequence of strings.  That way your
> code will also work with an iterator that returns strings.
>
>>>> type('asdf') is str
> True

I agree with the general approach, but this test will fail for Unicode  
strings, and so is probably bad mojo moving forward.  Instead I suggest:

    isinstance(x, basestring)

which will work whether x='asdf' or x=u'asdf'.

Best,
- Joe




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