Was recently already submitted:
https://github.com/numpy/numpy/issues/12749
On Tue, Jan 15, 2019 at 8:08 AM Stuart Reynolds <stu...@stuartreynolds.net>
wrote:
> Will do.
>
> On Mon, Jan 14, 2019 at 7:10 PM Eric Wieser <wieser.eric+nu...@gmail.com>
> wrote:
>
>> This looks like a bug to me - can you file it on the issue tracker.
>>
>> Evidently I did not consider python 2 behavior when backporting
>> `os.fspath` from python 3.
>>
>> Eric
>>
>> On Mon, 14 Jan 2019 at 16:28 Stuart Reynolds <stu...@stuartreynolds.net>
>> wrote:
>>
>>> After a recent upgrade of numpy (1.13.1 -> 1.6.0), my code is failing
>>> where I provide unicode objects as filenames.
>>> Previously they were allowed. Now that are not, and I *must* provide a
>>> (py2) str or bytearray only.
>>>
>>> # str is OK
>>> $ python2.7 -c "from numpy.compat import py3k; print
>>> py3k.os_fspath('123')"
>>> 123
>>>
>>> # unicode is not
>>> $ python -c "from numpy.compat import py3k; print py3k.os_fspath(u'123')"
>>> Traceback (most recent call last):
>>> File "<string>", line 1, in <module>
>>> File "/usr/local/lib/python2.7/dist-packages/numpy/compat/py3k.py",
>>> line 237, in os_fspath
>>> "not " + path_type.__name__)
>>> TypeError: expected str, bytes or os.PathLike object, not unicode
>>>
>>> But this enforcement of "str, bytes or os.PathLike" comes from:
>>> https://docs.python.org/3/library/os.html
>>> where in Python 3 str is a unicode, and moreover, os.fspath allows
>>>
>>> $ python3 -c "import os; print(os.fspath(u'123'))" # unicode str
>>> 123
>>> $ python3 -c "import os; print(os.fspath('123'))" # also unicode str
>>> 123
>>>
>>> .... so... shouldn't py3k.os_fspath allow py2 unicode obejcts.
>>>
>>> - Stu
>>>
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