Robert Brewer schrieb: > Brett Cannon wrote: >> On 3/9/07, Collin Winter <[EMAIL PROTECTED]> wrote: >> > On the subject of datetime enhancements, I came across an SF patch >> > (#1673403) the other day that proposed making it possible to compare >> > date and datetime objects... >> >> I personally like the current solution. The proposal to just assume >> midnight goes against EIBTI in my mind. > > Yeah, but the current solution goes against, um, APBP*. Not in my mind, > but in my code. Repeatedly. I can't count how many times I've written > code like: > > if created > fdate: > > when I "should" have written: > > if isinstance(created, datetime.date): > date_version_of_created = created > else: > date_version_of_created = created.date() > if date_version_of_created > fdate: > > But it gets better, because: > > >>> isinstance(datetime.datetime(x, y, z), datetime.date) > True > > So the above won't work, you must remember to reverse the if/else: > > if isinstance(created, datetime.datetime): > date_version_of_created = created.date() > else: > date_version_of_created = created > if date_version_of_created > fdate:
Why not just give date objects a date() method that returns self? That way you can write if created.date() > fdate: Georg _______________________________________________ Python-Dev mailing list Python-Dev@python.org http://mail.python.org/mailman/listinfo/python-dev Unsubscribe: http://mail.python.org/mailman/options/python-dev/archive%40mail-archive.com
