Re: [Numpy-discussion] __eq__ with str and object

2010-05-26 Thread Charles R Harris
On Tue, May 25, 2010 at 2:21 PM, Michael Droettboom md...@stsci.edu wrote: Seems like a bug to me. Certain branches in _array_richcompare return False to fail rather than Py_NotImplemented, which means the string-understanding comparison fallbacks don't run. Attached is a (simple) patch

Re: [Numpy-discussion] __eq__ with str and object

2010-05-26 Thread Keith Goodman
On Wed, May 26, 2010 at 6:11 AM, Charles R Harris charlesr.har...@gmail.com wrote: On Tue, May 25, 2010 at 2:21 PM, Michael Droettboom md...@stsci.edu wrote: Seems like a bug to me.  Certain branches in _array_richcompare return False to fail rather than Py_NotImplemented, which means the

[Numpy-discussion] __eq__ with str and object

2010-05-25 Thread Keith Goodman
I don't understand this: a1 = np.array(['a', 'b'], dtype=object) a2 = np.array(['a', 'b']) a1 == a2 array([ True, True], dtype=bool) # Looks good a2 == a1 False # Should I have expected this? This works like I expected: a1 = np.array([1, 2], dtype=object) a2 = np.array([1, 2])