Skip installing tables (PyTables) on free-threaded CPython envs since it has no free-threaded wheel and its sdist requires libhdf5-dev which CI does not install

Author: astrofrog

setup.cfg

@@ -35,11 +35,15 @@ install_requires =
     pytest>=5.0
     numpy
 
-# tables limitation is until 3.9.3 is out as that supports ARM OSX.
+# tables limitation is until 3.9.3 is out as that supports ARM OSX, and
+# tables wheels are not yet available for free-threaded CPython.  Since
+# PEP 508 has no marker for that, tables is split into its own extra and
+# tox only installs it on the non-free-threaded envs.
 [options.extras_require]
 test =
     astropy
     pandas
+test_hdf5 =
     tables;platform_machine!='arm64'
 
 [options.entry_points]

tox.ini

@@ -34,6 +34,11 @@ deps =
     devdeps: astropy>=0.0.dev0
 extras =
     test
+    # tables (PyTables) is needed for the pandas/HDF5 file_format, but
+    # has no free-threaded wheels and its sdist requires libhdf5-dev,
+    # which CI does not install.  Skip the HDF5 extras on free-threaded
+    # envs.
+    !py313t-!py314t: test_hdf5
 commands =
     # Force numpy-dev after something in the stack downgrades it
     devdeps: python -m pip install --pre --upgrade --extra-index-url https://pypi.anaconda.org/scientific-python-nightly-wheels/simple numpy