[Numpy-discussion] StringIO test failure with Python3.1.2

[Bruce Southey]

On 03/24/2010 01:25 PM, Charles R Harris wrote:
>
>
> On Wed, Mar 24, 2010 at 8:17 AM, Bruce Southey <bsouthey@gmail.com 
> <mailto:bsouthey@gmail.com>> wrote:
>
>     Hi,
>     Wow, this is really impressive!
>     I installed the svn numpy version '2.0.0.dev8300' with the latest
>     Python
>     3.1.2 and it works!
>
>     All the tests pass except:
>     test_utils.test_lookfor
>
>     I am guessing that it is this line as the other io imports do not have
>     the period.
>     from .io import StringIO
>
>
> I went ahead and renamed lib/io.py to lib/npyio.py in r8302. Can you 
> give it a try? you might need to rm the build/py3k directory first to 
> make it work.
>
> <snip>
>
> Chuck
>
>
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>    
I get a different error because it also has 'import collections'.

$ python3.1
Python 3.1.2 (r312:79147, Mar 24 2010, 10:44:23)
[GCC 4.4.3 20100127 (Red Hat 4.4.3-4)] on linux2
Type "help", "copyright", "credits" or "license" for more information.
 >>> import numpy
 >>> numpy.__version__
'2.0.0.dev8302'
 >>> numpy.test()
Running unit tests for numpy
NumPy version 2.0.0.dev8302
NumPy is installed in /usr/local/lib/python3.1/site-packages/numpy
Python version 3.1.2 (r312:79147, Mar 24 2010, 10:44:23) [GCC 4.4.3 
20100127 (Red Hat 4.4.3-4)]
nose version 0.11.0
.....

======================================================================
ERROR: test_utils.test_lookfor
----------------------------------------------------------------------
Traceback (most recent call last):
   File "/usr/local/lib/python3.1/site-packages/nose/case.py", line 177, 
in runTest
     self.test(*self.arg)
   File 
"/usr/local/lib/python3.1/site-packages/numpy/lib/tests/test_utils.py", 
line 10, in test_lookfor
     import_modules=False)
   File "/usr/local/lib/python3.1/site-packages/numpy/lib/utils.py", 
line 751, in lookfor
     cache = _lookfor_generate_cache(module, import_modules, regenerate)
   File "/usr/local/lib/python3.1/site-packages/numpy/lib/utils.py", 
line 945, in _lookfor_generate_cache
     elif isinstance(item, collections.Callable):
   File "/usr/local/lib/python3.1/abc.py", line 121, in __instancecheck__
     subclass = instance.__class__
AttributeError: 'PyCapsule' object has no attribute '__class__'

----------------------------------------------------------------------
Ran 2898 tests in 21.738s

FAILED (KNOWNFAIL=5, errors=1)
<nose.result.TextTestResult run=2898 errors=1 failures=0>


$ diff build/py3k/build/lib.linux-x86_64-3.1/numpy/lib/utils.py 
build311/py3k/build/lib.linux-x86_64-3.1/numpy/lib/utils.py
8d7
< import collections
945c944
<         elif isinstance(item, collections.Callable):
---
 >         elif hasattr(item, '__call__'):

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