fix(packaging): support wheels built from source distributions

Author: bokelley

.github/workflows/ci.yml

@@ -201,11 +201,13 @@ jobs:
         with:
           python-version: "3.11"
 
-      - name: Build and install wheel
+      - name: Build sdist and install its wheel
         run: |
           python -m pip install --upgrade pip build
           test ! -e src/adcp/_schemas
-          python -m build --wheel --outdir dist/
+          # The default build path creates the sdist first, then builds the
+          # wheel from that sdist. This covers both VCS and sdist consumers.
+          python -m build --outdir dist/
           pip install dist/*.whl
 
       - name: Verify VCS-built wheel schemas

MANIFEST.in

@@ -12,3 +12,10 @@ recursive-include src/adcp/_schemas/3.0 *.json
 recursive-include src/adcp/_schemas/3.1 *.json
 recursive-include src/adcp/_schemas/3.2.0-beta.10 *.json
 prune src/adcp/_schemas/3.1.0-*
+# A clean VCS source tree has no ignored ``src/adcp/_schemas`` directory.
+# Keep the tracked inputs needed by the build_py hook in source distributions
+# so wheels built from an sdist have the same schema set as direct VCS wheels.
+recursive-include schemas/cache/2.5 *.json
+recursive-include schemas/cache/3.0 *.json
+recursive-include schemas/cache/3.1 *.json
+recursive-include schemas/cache/3.2.0-beta.10 *.json