https://trac.sagemath.org/ticket/33440 fixes the problem and is waiting for review.
On Tuesday, March 1, 2022 at 11:07:50 AM UTC-8 Matthias Koeppe wrote: > The particular error that you are running into comes from Singular not > being in PATH. > > Use "sage -sh" to enter a shell in which SAGE_LOCAL/bin has been added to > PATH. > Then you can activate the venv as you did before. > > > > On Tuesday, March 1, 2022 at 10:45:00 AM UTC-8 m.derick...@gmail.com > wrote: > >> Hi All, >> >> I am wondering what the best way is to create a new virtual environment >> where I can import stuff from an already existing sage installation: >> >> I tried the following using sage 9.5.beta9 >> >> $ sage -python3 -m venv --system-site-packages venv >> $ source venv/bin/activate >> (venv) $ python3 >> Python 3.9.9 (main, Dec 25 2021, 18:25:51) >> [GCC 9.3.0] on linux >> Type "help", "copyright", "credits" or "license" for more information. >> >>> from sage.all import * >> Traceback (most recent call last): >> File "<stdin>", line 1, in <module> >> File >> "/scratch/home/mderickx/sages/sage/local/var/lib/sage/venv-python3.9.9/lib/python3.9/site-packages/sage/all.py", >> >> line 126, in <module> >> from sage.rings.all import * >> File >> "/scratch/home/mderickx/sages/sage/local/var/lib/sage/venv-python3.9.9/lib/python3.9/site-packages/sage/rings/all.py", >> >> line 87, in <module> >> ... >> ... >> File "sage/rings/polynomial/multi_polynomial_libsingular.pyx", line 1, in >> init sage.rings.polynomial.multi_polynomial_libsingular >> (build/cythonized/sage/rings/polynomial/multi_polynomial_libsingular.cpp:50020) >> >> >> File "sage/libs/singular/singular.pyx", line 1558, in init >> sage.libs.singular.singular >> (build/cythonized/sage/libs/singular/singular.cpp:15747) >> File "sage/libs/singular/singular.pyx", line 1525, in >> sage.libs.singular.singular.init_libsingular >> (build/cythonized/sage/libs/singular/singular.cpp:12865) >> File >> "/scratch/home/mderickx/sages/sage/local/var/lib/sage/venv-python3.9.9/lib/python3.9/posixpath.py", >> >> line 152, in dirname >> p = os.fspath(p) >> TypeError: expected str, bytes or os.PathLike object, not NoneType >> >> But as you can see this new venv is not created in such a way that sage >> the library is useable (probably because certain sage related environment >> variables are not set). >> >> So what is the best way to get around this? > > -- You received this message because you are subscribed to the Google Groups "sage-support" group. To unsubscribe from this group and stop receiving emails from it, send an email to sage-support+unsubscr...@googlegroups.com. To view this discussion on the web visit https://groups.google.com/d/msgid/sage-support/2b6fdb69-9fa4-4a48-bff4-f14f01a289ean%40googlegroups.com.
