Set up building py3 tagged wheels in setup.cfg

Before this change, `[bdist_wheel]` section of `setup.cfg` had `universal = 1` set and causing our automation to publish wheels tagged with `py2.py3` which implies that this wheel contains Python 2 compatible code. It is now corrected to produce just `py3` tag instead. Thanks to Bernát Gábor for pointing out that it's misconfigured! Ref: pypa/packaging.python.org#726 Co-Authored-By: Bernát Gábor <[email protected]>
sphinx-contrib · Mar 8, 2021 · c349f8d · gaborbernat · Mar 11, 2021 · webknjaz
1 parent 3dcf71a
commit c349f8d
Showing 1 changed file with 9 additions and 1 deletion.
diff --git a/setup.cfg b/setup.cfg
@@ -1,5 +1,13 @@
 [bdist_wheel]
-universal = 1
+# NOTE: "universal = 1" causes `bdist_wheel` to create a wheel that with the
+# NOTE: tag "py2.py3" which implies (and tricks pip into thinking) that this
+# NOTE: wheel contains Python 2 compatible code. This is not true and conflicts
+# NOTE: with the "Requires-Python" field in the metadata that says that we only
+# NOTE: support Python 3.6+.
+# NOTE: We need to keep it at "0" which will produce wheels tagged with "py3"
+# NOTE: when built under Python 3.
+# Ref: https://github.com/pypa/packaging.python.org/issues/726
+universal = 0
 
 [metadata]
 name = sphinxcontrib-towncrier