On Sunday, November 13, 2016 at 6:36:00 PM UTC, Frédéric Chapoton wrote:
>
> The culprit line was just recently added in
> https://trac.sagemath.org/ticket/21821
>
> could please the authors and reviewers of that ticket handle this problem ?
>
the argument of `communicate()` is by default bytes, not string in Python 3
>
> Le dimanche 13 novembre 2016 13:34:32 UTC+1, Frédéric Chapoton a écrit :
>>
>> after a make distclean and make, same problem, with a better log
>>
>> It seems that there is really some py3 incompatibility here:
>>
>> [sagelib-7.5.beta2] python -c "from sage_setup.autogen.pari import
>> rebuild; rebuild()"
>> [sagelib-7.5.beta2] Traceback (most recent call last):
>> [sagelib-7.5.beta2] File "<string>", line 1, in <module>
>> [sagelib-7.5.beta2] File
>> "/home/chapoton/sage3/src/sage_setup/autogen/pari/__init__.py", line 5, in
>> rebuild
>> [sagelib-7.5.beta2] G()
>> [sagelib-7.5.beta2] File
>> "/home/chapoton/sage3/src/sage_setup/autogen/pari/generator.py", line 239,
>> in __call__
>> [sagelib-7.5.beta2] D = read_pari_desc()
>> [sagelib-7.5.beta2] File
>> "/home/chapoton/sage3/src/sage_setup/autogen/pari/parser.py", line 83, in
>> read_pari_desc
>> [sagelib-7.5.beta2] with open(os.path.join(pari_share(),
>> 'pari.desc')) as f:
>> [sagelib-7.5.beta2] File
>> "/home/chapoton/sage3/src/sage_setup/autogen/pari/parser.py", line 52, in
>> pari_share
>> [sagelib-7.5.beta2] out = gp.communicate("print(default(datadir))")[0]
>> [sagelib-7.5.beta2] File
>> "/home/chapoton/sage3/local/lib/python3.5/subprocess.py", line 1068, in
>> communicate
>> [sagelib-7.5.beta2] stdout, stderr = self._communicate(input,
>> endtime, timeout)
>> [sagelib-7.5.beta2] File
>> "/home/chapoton/sage3/local/lib/python3.5/subprocess.py", line 1687, in
>> _communicate
>> [sagelib-7.5.beta2] input_view = memoryview(self._input)
>> [sagelib-7.5.beta2] TypeError: memoryview: a bytes-like object is
>> required, not 'str'
>> [sagelib-7.5.beta2] generate_py_source.mk:10 : la recette pour la cible
>> « sage/libs/pari/auto_gen.pxi » a échouée
>>
>>
>> Le dimanche 13 novembre 2016 09:56:24 UTC+1, Dima Pasechnik a écrit :
>>>
>>>
>>>
>>> On Sunday, November 13, 2016 at 8:18:02 AM UTC, Frédéric Chapoton wrote:
>>>>
>>>> exact same problem after running ./configure. Should I try make
>>>> distclean ?
>>>>
>>> I'd have tried...
>>>
>>>
>>>>
>>>> Le samedi 12 novembre 2016 22:16:41 UTC+1, Dima Pasechnik a écrit :
>>>>>
>>>>>
>>>>>
>>>>> On Saturday, November 12, 2016 at 8:43:57 PM UTC, Frédéric Chapoton
>>>>> wrote:
>>>>>>
>>>>>> Hello,
>>>>>>
>>>>>> Trying to compile 7.5.b2 with python3 (using export
>>>>>> SAGE_PYTHON3=yes), I got now the following error:
>>>>>>
>>>>>> [sagelib-7.5.beta2] python -c "from sage_setup.autogen.pari import
>>>>>> rebuild; rebuild()"
>>>>>> [sagelib-7.5.beta2] sys:1: RuntimeWarning: not adding directory '' to
>>>>>> sys.path since it's writable by an untrusted group.
>>>>>> [sagelib-7.5.beta2] Untrusted users could put files in this directory
>>>>>> which might then be imported by your Python code. As a general
>>>>>> precaution
>>>>>> from similar exploits, you should not execute Python code from this
>>>>>> directory
>>>>>> [sagelib-7.5.beta2] Traceback (most recent call last):
>>>>>> [sagelib-7.5.beta2] File "<string>", line 1, in <module>
>>>>>> [sagelib-7.5.beta2] ImportError: No module named
>>>>>> sage_setup.autogen.pari
>>>>>> [sagelib-7.5.beta2] generate_py_source.mk:10 : la recette pour la
>>>>>> cible « sage/libs/pari/auto_gen.pxi » a échouée
>>>>>> [sagelib-7.5.beta2] make[4]: *** [sage/libs/pari/auto_gen.pxi] Erreur
>>>>>> 1
>>>>>> [sagelib-7.5.beta2] make[4] : on quitte le répertoire «
>>>>>> /home/chapoton/sage3/src »
>>>>>> [sagelib-7.5.beta2]
>>>>>> ************************************************************************
>>>>>> [sagelib-7.5.beta2] Traceback (most recent call last):
>>>>>> [sagelib-7.5.beta2] File "setup.py", line 111, in <module>
>>>>>> [sagelib-7.5.beta2] raise DistutilsSetupError("{}
>>>>>> failed".format(make_cmdline))
>>>>>> [sagelib-7.5.beta2] DistutilsSetupError: make -f
>>>>>> generate_py_source.mk SAGE_SRC=/home/chapoton/sage3/src failed
>>>>>>
>>>>>> This seems to be different from what happens with previous versions
>>>>>> of sage, where the compilation of cython files started and failed on
>>>>>> some
>>>>>> specific pyx files.
>>>>>>
>>>>>> Maybe there was a recent change that is not py3 compatible in the
>>>>>> build system ?
>>>>>>
>>>>>
>>>>> have you ran ./configure first?
>>>>>
>>>>>
>>>>>>
>>>>>> Frederic
>>>>>>
>>>>>
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