Add PyPy support

Run CI against PyPy and build PyPy wheels.

.github/workflows/ci.yml

@@ -141,3 +141,18 @@ jobs:
         DCC_RS_DEV: ${{ github.workspace }}
       working-directory: python
       run: tox -e lint,mypy,doc,py3
+
+    - name: install pypy
+      if: ${{ matrix.python }}
+      uses: actions/setup-python@v4
+      with:
+        python-version: 'pypy${{ matrix.python }}'
+
+    - name: run pypy tests
+      if: ${{ matrix.python }}
+      env:
+        DCC_NEW_TMP_EMAIL: ${{ secrets.DCC_NEW_TMP_EMAIL }}
+        DCC_RS_TARGET: debug
+        DCC_RS_DEV: ${{ github.workspace }}
+      working-directory: python
+      run: tox -e pypy3

CHANGELOG.md

@@ -7,6 +7,7 @@
 - upgrade to `pgp@0.8.0` #3467
 - add IMAP ID extension support #3468
 - configure DeltaChat folder by selecting it, so it is configured even if not LISTed #3371
+- build PyPy wheels #6683
 
 ### Fixes
 - mailing list: remove square-brackets only for first name #3452

scripts/run_all.sh

@@ -33,7 +33,7 @@ mkdir -p $TOXWORKDIR
 # Note that the independent remote_tests_python step does all kinds of
 # live-testing already. 
 unset DCC_NEW_TMP_EMAIL
-tox --workdir "$TOXWORKDIR" -e py37,py38,py39,py310,auditwheels
+tox --workdir "$TOXWORKDIR" -e py37,py38,py39,py310,pypy37,pypy38,pypy39,auditwheels
 popd