Michael Foord wrote: > Benjamin Peterson wrote: >> On Mon, Jul 14, 2008 at 6:18 PM, Ben Finney >> <ben+python at benfinney.id.au> wrote: >>> "Benjamin Peterson" <musiccomposition at gmail.com> writes: >>>> On Mon, Jul 14, 2008 at 8:25 AM, Ben Finney >>>> <ben+python at benfinney.id.au> wrote: >>>>> Use new-style classes throughout >>>>> -------------------------------- >>>>> >>>>> The following classes will inherit explicitly from the built-in >>>>> `object` type, to make all classes in the module part of the new-style >>>>> type hierarchy. >>>>> [snip] >>>>> >>>> They already do. __metaclass__ = type is found in unittest.py. >>>> >>> Not in the copy I have. Is that in 3.x only, or in 2.x also? >>> >> >> Python 2.5.2 (r252:60911, Feb 22 2008, 07:57:53) >> [GCC 4.0.1 (Apple Computer, Inc. build 5363)] on darwin >> Type "help", "copyright", "credits" or "license" for more information. >> >>>>> import unittest >>>>> isinstance(unittest.TestCase, object) >>>>> >> True >> > That proves nothing: > > Python 2.5.2 (r252:60911, Feb 22 2008, 07:57:53) > [GCC 4.0.1 (Apple Computer, Inc. build 5363)] on darwin > Type "help", "copyright", "credits" or "license" for more information. > >>> class x: pass > ... > >>> isinstance(x, object) > True > >>> isinstance(x, type) > False > >>> type(x) > <type 'classobj'> > While your retort is accurate, I think it's unintentionally deceptive, because you didn't finish your thought.. Benjamin is actually still correct: Python 2.5.1 (r251:54863, Apr 18 2007, 08:51:08) [MSC v.1310 32 bit (Intel)] on win32 Type "help", "copyright", "credits" or "license" for more information. >>> import unittest >>> isinstance(unittest.TestCase, type) True >>> type(unittest.TestCase) <type 'type'> -- Scott Dial scott at scottdial.com scodial at cs.indiana.edu
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