Use PyPI trusted publishers to release

.github/workflows/ci.yml

@@ -41,19 +41,3 @@ jobs:
         run: |
           python -m tox
       - uses: codecov/codecov-action@v1
-  deploy:
-    runs-on: ubuntu-latest
-    needs:
-      - pre-commit
-      - tests
-    if: startsWith(github.ref, 'refs/tags')
-    steps:
-      - uses: actions/checkout@v2
-      - uses: actions/setup-python@v2
-      - name: Build a binary wheel and a source tarball
-        run: pipx run build
-      - name: Publish distribution 📦 to PyPI
-        uses: pypa/gh-action-pypi-publish@release/v1
-        with:
-          user: __token__
-          password: ${{ secrets.pypi_token }}

.github/workflows/release.yml

@@ -0,0 +1,29 @@
+on:
+  release:
+    types:
+      - published
+
+name: release
+
+jobs:
+  pypi:
+    name: upload release to PyPI
+    runs-on: ubuntu-latest
+    environment: release
+
+    permissions:
+      # Used to authenticate to PyPI via OIDC.
+      id-token: write
+
+    steps:
+    - uses: actions/checkout@v3
+
+    - uses: actions/setup-python@v4
+      with:
+        python-version: ">= 3.7"
+
+    - name: build
+      run: pipx run build
+
+    - name: publish
+      uses: pypa/gh-action-pypi-publish@release/v1

DEVELOP.rst

@@ -13,8 +13,5 @@ How to release
 * python setup.py check --restructuredtext
 * commit everything
 * make sure tests pass!
-* git push and make sure travis is green
-* git tag <version>, where <version> is PEP 440 compliant
-* git push --tags
-
-Uploading of tagged versions to pypi will be taken care of by travis.
+* git push and make sure CI is green
+* create a tagged release on GitHub, which will trigger deployment to PyPI