On Wed, Aug 17, 2022 at 1:58 PM Dan Stromberg <drsali...@gmail.com> wrote:
> On Wed, Aug 17, 2022 at 10:20 AM Christian Gollwitzer <aurio...@gmx.de> > wrote: > >> Am 16.08.22 um 23:03 schrieb Dan Stromberg: >> > I'm attempting to package up a python package that uses Cython. >> > >> > Rather than build binaries for everything under the sun, I've been >> focusing >> > on including the .pyx file and running cython on it at install time. >> This >> > requires a C compiler, but I'm OK with that. >> > >> > However, when I try to install the package from test.pypi.org, I get: >> > $ python3 -m pip install -i https://test.pypi.org/simple/ pyx-treap >> > below cmd output started 2022 Tue Aug 16 01:55:16 PM PDT >> > Looking in indexes: https://test.pypi.org/simple/ >> > Collecting pyx-treap >> > Downloading >> > >> https://test-files.pythonhosted.org/packages/3a/41/af5360934adccfc086a39e1f720323895144b53454ff6dacc0f06267db55/pyx_treap-2.0.15.tar.gz >> > (125 kB) >> > >> > >> >> ???????????????????????????????????????????????????????????????????????????????? >> > 125.9/125.9 kB 1.9 MB/s eta 0:00:00 >> > Installing build dependencies ... error >> > error: subprocess-exited-with-error >> > >> > ×? pip subprocess to install build dependencies did not run >> successfully. >> > ?? exit code: 1 >> > ????> [3 lines of output] >> > Looking in indexes: https://test.pypi.org/simple/ >> > ERROR: Could not find a version that satisfies the requirement >> > setuptools (from versions: none) >> > ERROR: No matching distribution found for setuptools >> > [end of output] >> > >> > note: This error originates from a subprocess, and is likely not a >> > problem with pip. >> > error: subprocess-exited-with-error >> >> >> I looked at your code and I think you are trying too hard. As far as I >> understand, you need Cython to be installed before the build process >> begins. Your entry in pyproject.toml should take care of that. >> But you also have these lines in your setup.py >> >> subprocess.check_call('%s -m pip install cython' % (sys.executable, ), >> shell=True) >> subprocess.check_call('%s -m cython pyx_treap.pyx' % (sys.executable, ), >> shell=True) >> >> The first one calls out to pip while pip is already running, I'm not >> sure that this will work, but judging from the error message it is >> looking for the requirements also from test.pypi. Maybe this is the >> reason that it fails (the error message says that it can't find >> setuptools). So jut delete this line and it might already work >> >> The second line, which compiles the Cython code, also runs *at every >> invocation of setup.py*, even if you'd do just >> >> python3 setup.py --help >> >> It may still work, but the correct way to do it is to create a build >> extension for setuptools. In my project you can see this here: >> >> https://github.com/j-from-b/CDEF/blob/main/setup.py#L88 >> >> OTOH, I would be surprised if Cython did not have this already, indeed >> you imported cythonize from Cython.Build. So maybe just deleting these >> two lines and it might work? >> > > I commented out those too lines, but I'm still getting errors. They seem > to stem from: > $ "/home/dstromberg/venv/pyx-treap-testing/bin/python3", > ["/home/dstromberg/venv/pyx-treap-testing/bin/python3", > "/home/dstromberg/venv/pyx-treap-testing/lib/python3.9/site-packages/pip/__pip-runner__.py", > "install", "--ignore-installed", "--no-user", "--prefix", > "/tmp/pip-build-env-9_ivrsb6/overlay", "--no-warn-script-location", > "--no-binary", ":none:", "--only-binary", ":none:", "-i", " > https://test.pypi.org/simple/";, "--", "setuptools >= 44.1.1", "wheel", > "Cython"] > "/home/dstromberg/venv/pyx-treap-testing/bin/python3" > "/home/dstromberg/venv/pyx-treap-testing/lib/python3.9/site-packages/pip/__pip-runner__.py" > "install" "--ignore-installed" "--no-user" "--prefix" > "/tmp/pip-build-env-9_ivrsb6/overlay" "--no-warn-script-location" > "--no-binary" ":none:" "--only-binary" ":none:" "-i" " > https://test.pypi.org/simple/"; "--" "setuptools >= 44.1.1" "wheel" > "Cython" > Looking in indexes: https://test.pypi.org/simple/ > ERROR: Could not find a version that satisfies the requirement > setuptools>=44.1.1 (from versions: none) > ERROR: No matching distribution found for setuptools>=44.1.1 > > I copied that out of an strace. > > That's likely related to my pyproject.toml: > $ cat pyproject.toml > below cmd output started 2022 Wed Aug 17 01:57:09 PM PDT > [build-system] > requires = ["setuptools >= 44.1.1", "wheel", "Cython"] > build-backend = "setuptools.build_meta" > > Any other suggestions folks? > I don't know why, but if I delete the --ignore-installed option, I don't get the error: $ "/home/dstromberg/venv/pyx-treap-testing/bin/python3" "/home/dstromberg/venv/pyx-treap-testing/lib/python3.9/site-packages/pip/__pip-runner__.py" "install" "--ignore-installed" "--prefix" "/tmp/pip-build-env-9_ivrsb6/overlay" "-i" "https://test.pypi.org/simple/"; "--" "setuptools>=44.1.1" below cmd output started 2022 Wed Aug 17 02:56:24 PM PDT Looking in indexes: https://test.pypi.org/simple/ ERROR: Could not find a version that satisfies the requirement setuptools>=44.1.1 (from versions: none) ERROR: No matching distribution found for setuptools>=44.1.1 (setuptools-investigation) above cmd output done 2022 Wed Aug 17 02:56:24 PM PDT dstromberg@tp-mini-c:~ x86_64-pc-linux-gnu 2995 $ "/home/dstromberg/venv/pyx-treap-testing/bin/python3" "/home/dstromberg/venv/pyx-treap-testing/lib/python3.9/site-packages/pip/__pip-runner__.py" "install" "--prefix" "/tmp/pip-build-env-9_ivrsb6/overlay" "-i" " https://test.pypi.org/simple/"; "--" "setuptools>=44.1.1" below cmd output started 2022 Wed Aug 17 02:56:35 PM PDT Looking in indexes: https://test.pypi.org/simple/ Requirement already satisfied: setuptools>=44.1.1 in ./venv/pyx-treap-testing/lib/python3.9/site-packages (63.4.1) If I search for foo on pypi and testpypi, shouldn't I get foo before foo-bar and bar-foo? Because if I search for setuptools on pypi, I get setuptools as my first hit, but on testpypi, I don't see setuptools anywhere in the first page. That's perhaps significant if the search ordering is working as described above. ? -- https://mail.python.org/mailman/listinfo/python-list
