[Numpy-discussion] ANN: Numpy 1.6.0 beta 2

[Charles R Harris]

On Mon, Apr 4, 2011 at 8:42 PM, Derek Homeier <
derek at astro.physik.uni-goettingen.de> wrote:

> Hi all,
>
> On 4 Apr 2011, at 22:04, Ralf Gommers wrote:
>
> > I am pleased to announce the availability of the second beta of NumPy
> > 1.6.0. Due to the extensive changes in the Numpy core for this
> > release, the beta testing phase will last at least one month. Please
> > test this beta and report any problems on the Numpy mailing list.
> >
> the tests have a number of Python2.4-incompatibilities, one for a file
> opening mode and the rest for class declaration styles.
>
> Cheers,
>                                                Derek
>
> Running unit tests for numpy
> NumPy version 1.6.0b2
> NumPy is installed in /sw/lib/python2.4/site-packages/numpy
> Python version 2.4.4 (#1, Jan  5 2011, 03:05:41) [GCC 4.0.1 (Apple
> Inc. build 5493)]
> nose version 1.0.0
> .....
> ======================================================================
> ERROR: Failure: SyntaxError (invalid syntax (test_multiarray.py, line
> 1023))
> ...
>   File "/sw/lib/python2.4/site-packages/numpy/core/tests/
> test_multiarray.py", line 1023
>     class TestPutmask():
>                       ^
> SyntaxError: invalid syntax
>
> ======================================================================
> ERROR: Failure: SyntaxError (invalid syntax (test_numeric.py, line
> 1068))
> ...
>   File "/sw/lib/python2.4/site-packages/numpy/core/tests/
> test_numeric.py", line 1068
>     class TestAllclose():
>                        ^
> SyntaxError: invalid syntax
>
> ======================================================================
> ERROR: Failure: SyntaxError (invalid syntax (test_scalarmath.py, line
> 84))
> ...
>   File "/sw/lib/python2.4/site-packages/numpy/core/tests/
> test_scalarmath.py", line 84
>     class TestRepr():
>                    ^
> SyntaxError: invalid syntax
>
> ======================================================================
> ERROR: Failure: SyntaxError (invalid syntax (test_twodim_base.py, line
> 280))
> ...
>   File "/sw/lib/python2.4/site-packages/numpy/lib/tests/
> test_twodim_base.py", line 280
>     class TestTriuIndices():
>                           ^
> SyntaxError: invalid syntax
>
> ======================================================================
> ERROR: Failure: SyntaxError (invalid syntax (test_linalg.py, line 243))
> ...
>   File "/sw/lib/python2.4/site-packages/numpy/linalg/tests/
> test_linalg.py", line 243
>     class TestMatrixPower():
>                           ^
> SyntaxError: invalid syntax
>
>
Subclassing object should fix those, I think.


> ======================================================================
> ERROR: test_gft_filename (test_io.TestFromTxt)
> ----------------------------------------------------------------------
> Traceback (most recent call last):
>   File "/sw/lib/python2.4/site-packages/numpy/lib/tests/test_io.py",
> line 1327, in test_gft_filename
>     assert_array_equal(np.genfromtxt(name), exp_res)
>   File "/sw/lib/python2.4/site-packages/numpy/lib/npyio.py", line
> 1235, in genfromtxt
>     fhd = iter(np.lib._datasource.open(fname, 'Ub'))
>   File "/sw/lib/python2.4/site-packages/numpy/lib/_datasource.py",
> line 145, in open
>     return ds.open(path, mode)
>   File "/sw/lib/python2.4/site-packages/numpy/lib/_datasource.py",
> line 477, in open
>     return _file_openers[ext](found, mode=mode)
> IOError: invalid mode: Ub
>
>
Guess that wasn't tested before ;) I thought that was strange when I saw it.
The source of the problem is line 2035 in npyio.py. Additionally, Since
genloadtxt needs to have byte strings the 'rb" mode should probably be used.
That works on linux, both for python 2 and python 3, but doing that might
uncover genfromtxt problems on other platforms.

Chuck
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