fix action-based package publishing

.github/workflows/python-publish.yaml

@@ -24,10 +24,10 @@ jobs:
     - name: Install dependencies
       run: |
         python -m pip install --upgrade pip
-        pip install setuptools wheel twine pbr
+        pip install .[build]
     - name: Build sdist and wheel
       run: |
-        python setup.py sdist bdist_wheel
+        python -m build
     - name: Publish distribution to PyPI
       # This condition prevents PRs from being published as part of
       # the test job.

pyproject.toml

@@ -36,6 +36,16 @@ dependencies = [
     "stevedore",
 ]
 
+[project.optional-dependencies]
+linter = [
+    "flake8",
+]
+build = [
+    "build",
+    "twine",
+    "check-python-versions",
+]
+
 # https://github.com/pypa/setuptools_scm/
 [tool.setuptools_scm]
 write_to = "virtualenvwrapper/version.py"

tox.ini

@@ -20,7 +20,7 @@ setenv =
     FAIL_FAST = true
 
 [testenv:style]
-deps = flake8
+deps = .[linter]
 commands = flake8 virtualenvwrapper docs/source/conf.py
 
 [testenv:zsh]
@@ -38,10 +38,7 @@ commands =
     sphinx-build -W -j auto -b linkcheck -d docs/build/doctrees docs/source docs/build/linkcheck
 
 [testenv:pkglint]
-deps=
-    build
-    twine
-    check-python-versions
+deps=.[build]
 commands=
     python -m build
     twine check dist/*.tar.gz dist/*.whl