On Saturday, May 20, 2017 at 1:12:48 PM UTC-7, John H Palmieri wrote:
>
> In the file src/sage_setup/clean.py, the variable CEXTMOD_EXTS could
> perhaps be modified from (on OS X) ".so" to ".cpython-36m-darwin.so". That
> fixes the problem for me, but I'm not what Python code to use to come with
> "cpython-36m-darwin". Something in distutils?
>
Found it: sysconfig.get_config_var('EXT_SUFFIX')
>
> Along similar lines, building the Sage library byte-compiles the python
> files, and with python 3 it puts them into a subdirectory __pycache__. This
> subdirectory is not an expected part of the path name for Sage, so Sage
> then views them as stale and deletes them.
>
> John
>
>
>
> On Saturday, May 20, 2017 at 8:36:12 AM UTC-7, John H Palmieri wrote:
>>
>> With Python 2, the .so files are just called "sage_object.so", while with
>> Python 3, the .so files are called "sage_object.cpython-36m-darwin.so"
>> (on OS X). Is that file name difference causing Sage to treat them as stale
>> (= not connected to existing Sage library files) and thus removing them? I
>> don't know what else the problem could be.
>>
>>
>> On Friday, May 19, 2017 at 10:59:34 PM UTC-7, Frédéric Chapoton wrote:
>>>
>>> Thanks, John, for the helping hand.
>>>
>>> Yes, this unicode error will be the next one we need to handle. But
>>> first we need to understand what is going wrong before. Commenting the line
>>> in src/setup.py is certainly not the right solution..
>>>
>>>
>>> Le samedi 20 mai 2017 00:43:25 UTC+2, John H Palmieri a écrit :
>>>>
>>>>
>>>>
>>>> On Friday, May 19, 2017 at 3:27:54 PM UTC-7, John H Palmieri wrote:
>>>>>
>>>>>
>>>>>
>>>>> On Friday, May 19, 2017 at 2:46:15 PM UTC-7, John H Palmieri wrote:
>>>>>>
>>>>>>
>>>>>>
>>>>>> On Friday, May 19, 2017 at 9:51:46 AM UTC-7, Frédéric Chapoton wrote:
>>>>>>>
>>>>>>> Dear all,
>>>>>>>
>>>>>>> We have almost reached the state of vanilla sage building with
>>>>>>> SAGE_PYTHON3=yes (this does not mean working !). But something seems to
>>>>>>> go
>>>>>>> wrong, and I would like help to find and fix the current problem.
>>>>>>>
>>>>>>> So, for people that want to do something else than answering polls,
>>>>>>> you can try the following:
>>>>>>>
>>>>>>> In a separate install of sage, on top of 8.0.beta7, apply
>>>>>>>
>>>>>>> https://trac.sagemath.org/ticket/23030 (git pull
>>>>>>> trac u/chapoton/23030)
>>>>>>>
>>>>>>> and
>>>>>>>
>>>>>>> https://trac.sagemath.org/ticket/22305 (git pull trac public/22305)
>>>>>>>
>>>>>>> then export SAGE_PYTHON3=yes
>>>>>>>
>>>>>>> and make build.
>>>>>>>
>>>>>>> This should finish succesfully, with the usual message.
>>>>>>>
>>>>>>
>>>>>> It took me a bit more work. First I had a problem with the Sage
>>>>>> library, which I could fix by applying #23029. Second,
>>>>>> conway-polynomials
>>>>>> wouldn't build because it couldn't find six.moves, so I had to change
>>>>>> the
>>>>>> spkg-install script to use #!/usr/bin/env sage-python23 instead of
>>>>>> #!/usr/bin/env python. I should also point out that even when the
>>>>>> problem
>>>>>> is only in conway-polynomials, the build process keeps rebuilding all of
>>>>>> sagelib, rebuilding all of the extensions. So something is not correctly
>>>>>> detecting that the Sage library files are already built and installed.
>>>>>>
>>>>>> The docs now don't build, although now I see that you were not
>>>>>> recommending even trying. Anyway, the error is:
>>>>>>
>>>>>> /Users/palmieri/Desktop/Sage_stuff/sage_builds/TESTING/sage-8.0.beta7/local/bin/python:
>>>>>>
>>>>>> No module named sage_setup
>>>>>>
>>>>>> I suppose it should be calling python3 or sage-python23 instead. If
>>>>>> we're not worrying about the docs for now, that's fine with me.
>>>>>>
>>>>>>
>>>>>> Anyway, I finally got 'make build' to work and I ran into the same
>>>>>> problem you did. One issue is that sage-ipython is being called, and its
>>>>>> first line is #!/usr/bin/env python, which calls python2. You can change
>>>>>> that to sage-python23 (which calls a version of Python depending on the
>>>>>> setting of SAGE_PYTHON3). When I do that, Sage creates a crash report,
>>>>>> saying
>>>>>>
>>>>>> ModuleNotFoundError: No module named 'sage.structure.sage_object'.
>>>>>> Indeed, when I look at local/lib/python3.6/site-packages/sage/structure,
>>>>>> there are no .so files there. This must be related to the issues that
>>>>>> caused constant rebuilding of the Sage library. Here are some lines from
>>>>>> the log file:
>>>>>>
>>>>>> copying build/lib.macosx-10.9-x86_64-3.6/sage/structure/
>>>>>> sage_object.cpython-36m-darwin.so ->
>>>>>> /Users/palmieri/Desktop/Sage_stuff/sage_builds/TESTING/sage-8.0.beta7/local/lib/python3.6/site-packages/sage/structure
>>>>>>
>>>>>> and then later
>>>>>>
>>>>>> Cleaning up stale file:
>>>>>> /Users/palmieri/Desktop/Sage_stuff/sage_builds/TESTING/sage-8.0.beta7/local/lib/python3.6/site-packages/sage/structure/
>>>>>> sage_object.cpython-36m-darwin.so
>>>>>>
>>>>>> (Why isn't it just called "sage_object.so"?)
>>>>>>
>>>>>
>>>>> The stale file issue has been discussed before:
>>>>> https://groups.google.com/d/msg/sage-devel/W7FotQglFBs/RsnII556AwAJ.
>>>>>
>>>>
>>>> If I comment out the "self.clean_stale_files()" line from src/setup.py,
>>>> then I still get an error, but one you might expect from Python3:
>>>> "NameError: name 'unicode' is not defined". This comes from
>>>> src/sage/misc/sageinspect.py:
>>>>
>>>> if not isinstance(r, string_types):
>>>> return ''
>>>> elif isinstance(r, unicode):
>>>> return r.encode('utf-8', 'ignore')
>>>> else:
>>>> return r
>>>>
>>>>
>>>>
>>>>>
>>>>>
>>>>>>
>>>>>> --
>>>>>> John
>>>>>>
>>>>>>
>>>>>>
>>>>>>
>>>>>>
>>>>>>> Then try ./sage
>>>>>>>
>>>>>>> For me, this fails with some traceback about not finding
>>>>>>> sage.repl.interpreter. Can someone help to fix that please ?
>>>>>>>
>>>>>>> Frédéric
>>>>>>>
>>>>>>>
--
You received this message because you are subscribed to the Google Groups
"sage-devel" group.
To unsubscribe from this group and stop receiving emails from it, send an email
to sage-devel+unsubscr...@googlegroups.com.
To post to this group, send email to sage-devel@googlegroups.com.
Visit this group at https://groups.google.com/group/sage-devel.
For more options, visit https://groups.google.com/d/optout.
