Path PEP: What should Path(None) do?
reinhold-birkenfeld-nospam at wolke7.net
Mon Jul 25 18:06:02 CEST 2005
Peter Hansen wrote:
> Michael Hoffman wrote:
>> Currently it returns Path('None'). This means I have to do a check on
>> input before pathifying it to make sure it is not None.
>> Perhaps it should throw ValueError?
> Without checking, I suspect it is merely doing str(x) or unicode(x) on
> whatever is passed to it:
> >>> path(None)
> >>> path(object())
> path(u'<object object at 0x00AAB438>')
> >>> path(3.14159)
> Therefore I think the question should be broadened beyond just None.
> Should Path(x) simply call str(x) on the object or should it raise
> ValueError or TypeError or something if it's not a basestring?
> Given that pretty much *everything* in Python can have str() called on
> it, I think we should ask for a modicum of type-safety here and reject
> non-strings as input.
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