gerhard.haering at gmx.de
Wed Jan 1 05:53:11 CET 2003
* Dan Bishop <danb_83 at yahoo.com> [2002-12-31 13:30 -0800]:
> Kenneth Godee <Ken at perfect-image.com> wrote in message news:<mailman.1041318305.18298.python-list at python.org>...
> > I'm trying to iterate thru a tuple and find
> > any DateTime objects.....
> > print type(item)
> > returns....
> > <type 'DateTime'>
> > So I thought I could....
> > if type(item) == 'DateTime': (or many other variations I tried)
> > just can't seem to get a match
> Of course you can't. type doesn't return a string.
> if type(item) == DateTime:
> would work if you're looking for exact type equality, but you probably want
It's best to compare to singletons (like types) using the 'is' operator,
because you're really interested in identity here, not equality.
The type of a DateTime object is also DateTimeType.
> if isinstance(item, DateTime):
> which would also be true if type(item) were a subclass of DateTime.
This cannot be said often enough ;-)
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