On Fri, 11 Mar 2005 04:12:19 -0500, Steve Holden <[EMAIL PROTECTED]> wrote:
>Terry Reedy wrote: >> "Skip Montanaro" <[EMAIL PROTECTED]> wrote in message >> news:[EMAIL PROTECTED] >> >>> value = d.get('x') or bsf() >>> >>>Of course, this bsf() will get called if d['x'] evaluates to false, not >>>just >>>None, >> >> >> value = (d.get('x') is not None) or bsf() #?? >> >Unfortunately this will set value to True for all non-None values of >d['x']. Suppose d['x'] == 3: > > >>> 3 is not None >True > >>> > maybe (untested) value = ('x' in d and [d['x']] or [bsf()])[0] then there's always if 'x' in d: value = d['x'] else: value = bsf() or try: value = d['x'] except KeyError: value = bsf() Regards, Bengt Richter -- http://mail.python.org/mailman/listinfo/python-list
