Pure python fixes

.github/workflows/test_action.yml

@@ -5,8 +5,8 @@ on:
   pull_request:
 
 jobs:
-  build_wheels:
-    name: Test build-python-dist action
+  build_pure:
+    name: Test action (pure wheel)
     runs-on: ubuntu-20.04
 
     steps:
@@ -17,3 +17,15 @@ jobs:
           pure_python_wheel: true
           test_extras: test
           test_command: pytest --pyargs test_package
+  build_non_pure:
+    name: Test action (not pure wheel)
+    runs-on: ubuntu-20.04
+
+    steps:
+      - uses: actions/checkout@v2
+      - id: build_not_pure
+        uses: ./
+        with:
+          pure_python_wheel: "false"
+          test_extras: test
+          test_command: pytest --pyargs test_package

action.yml

@@ -8,14 +8,17 @@ inputs:
     description: Any extras_requires modifier that should be used to install the package for testing
     required: false
     default: ''
+    type: string
   test_command:
     description: The command to run to test the package (will be run in a temporary directory)
     required: false
     default: ''
+    type: string
   pure_python_wheel:
     description: Whether to build a pure Python wheel in addition to the source distribution
     required: false
     default: false
+    type: string
 runs:
   using: "composite"
   steps:
@@ -61,7 +64,7 @@ runs:
   - name: Build pure Python wheel distribution
     shell: bash
     run: python -m build --wheel .
-    if: ${{ inputs.pure_python_wheel }}
+    if: ${{ inputs.pure_python_wheel == 'true' }}
 
   # TODO: check that the resulting wheel is indeed pure Python
 
@@ -74,7 +77,7 @@ runs:
       python -m pip install --force-reinstall `find dist -name "*.whl"`[${{ inputs.test_extras }}]
       cd ${{ runner.temp }}
       ${{ inputs.test_command }}
-    if: ${{ inputs.pure_python_wheel && inputs.test_command != '' && inputs.test_extras != '' }}
+    if: ${{ inputs.pure_python_wheel == 'true' && inputs.test_command != '' && inputs.test_extras != '' }}
 
   - name: Test pure Python wheel distribution
     shell: bash
@@ -85,4 +88,4 @@ runs:
       python -m pip install --force-reinstall `find dist -name "*.whl"`
       cd ${{ runner.temp }}
       ${{ inputs.test_command }}
-    if: ${{ inputs.pure_python_wheel && inputs.test_command != '' && inputs.test_extras == '' }}
+    if: ${{ inputs.pure_python_wheel == 'true' && inputs.test_command != '' && inputs.test_extras == '' }}