You need an SPD solver - it's a different package, scip_sdp, not pyscipopt.
Try
make scip_sdp
(probably followed up by "make build", just in case)
On 16 February 2024 18:39:52 GMT, 'Martin R' via sage-devel <
sage-devel@googlegroups.com> wrote:
> Any hope left? If not, which version of sage do I have to downgrade to?
>
> Thank you for all the hints so far!
>
> Martin
>
> martin@toolbox:~/sage-trac$ ./sage -pip install pyscipopt
> Collecting pyscipopt
> Downloading
> PySCIPOpt-4.4.0-cp310-cp310-manylinux_2_17_x86_64.manylinux2014_x86_64.whl.metadata
> (8.3 kB)
> Downloading
> PySCIPOpt-4.4.0-cp310-cp310-manylinux_2_17_x86_64.manylinux2014_x86_64.whl
> (12.9 MB)
> ━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━ 12.9/12.9 MB 5.3 MB/s eta
> 0:00:00
> Installing collected packages: pyscipopt
> Successfully installed pyscipopt-4.4.0
> martin@toolbox:~/sage-trac$ sage
> ┌────────────────────────────────────────────────────────────────────┐
> │ SageMath version 10.3.beta8, Release Date: 2024-02-13 │
> │ Using Python 3.10.12. Type "help()" for help. │
> └────────────────────────────────────────────────────────────────────┘
> ┏━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━┓
> ┃ Warning: this is a prerelease version, and it may be unstable. ┃
> ┗━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━┛
> sage: default_sdp_solver("SCIP")
>
> ---------------------------------------------------------------------------
> ValueError Traceback (most recent call
> last)
>
> ...
>
>
> On Friday 16 February 2024 at 18:33:07 UTC+1 Dima Pasechnik wrote:
>
>> But you can be lucky with the binary wheel you can get from PyPI. I
>> didn't test it though, but perhaps it will just work.
>>
>> On Friday, February 16, 2024 at 4:55:21 PM UTC Matthias Koeppe wrote:
>>
>>> As noted in
>>> https://github.com/sagemath/sage/wiki/Sage-10.2-Release-Tour#known-problems-and-workarounds,
>>> our pyscipopt package has not been updated to work with Cython 3 yet.
>>> (Still the same in upstream PySCIPOpt master, as noted
>>> https://github.com/scipopt/PySCIPOpt/pull/630#issuecomment-1938080592)
>>>
>>> On Friday, February 16, 2024 at 7:48:09 AM UTC-8 Martin R wrote:
>>>
>>>> I (urgently) need the scip MILP solver (on 10.3.beta8, Ubuntu 22.04).
>>>>
>>>> sage -i pyscipopt
>>>>
>>>> ends with
>>>>
>>>> ***************************************************************
>>>> Error building Sage.
>>>>
>>>> The following package(s) may have failed to build (not necessarily
>>>> during this run of 'make pyscipopt'):
>>>>
>>>> * package: numpy-1.26.2
>>>> last build time: Feb 4 18:46
>>>> log file: /home/martin/sage-trac/logs/pkgs/numpy-1.26.2.log
>>>>
>>>> * package: pyscipopt-4.3.0
>>>> last build time: Feb 16 16:44
>>>> log file: /home/martin/sage-trac/logs/pkgs/pyscipopt-4.3.0.log
>>>>
>>>> It is safe to delete any log files and build directories, but they
>>>> contain information that is helpful for debugging build problems.
>>>> WARNING: If you now run 'make' again, the build directory of the
>>>> same version of the package will, by default, be deleted. Set the
>>>> environment variable SAGE_KEEP_BUILT_SPKGS=yes to prevent this.
>>>>
>>>> make: *** [Makefile:40: pyscipopt] Error 1
>>>>
>>>> The log is attached.
>>>>
>>>> Please excuse me posting to the wrong list, etc.
>>>>
>>>> Martin
>>>>
>>>
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