Create preview builds

.github/workflows/main.yml

@@ -40,20 +40,31 @@ jobs:
         major_pattern: "(MAJOR)"
         minor_pattern: "(MINOR)"
 
-    # Build the package using the version
+    # Export the version as an environment variable and also export 
+    # the current release vs prerelease state as an environment variable.
+    # This is determined if the event_name is release or not. Finally
+    # build the package.
     - name: Build package
+      if: github.event_name != 'pull_request'
       run: |
         export MAJOR=${{ steps.package-version.outputs.major }}
         export MINOR=${{ steps.package-version.outputs.minor }}
         export PATCH=${{ steps.package-version.outputs.patch }}
 
+        if [ "${{ github.event_name }}" == "release" ]; then
+          export RELEASE="true"
+        else
+          export RELEASE="false"
+        fi
+
         echo "Building version $MAJOR.$MINOR.$PATCH"
         python -m build
     
     # Load the secret from 1Password
     - name: Load secret
       id: op-load-secret
       uses: 1password/load-secrets-action@v2
+      if: github.event_name != 'pull_request'
       with:
         export-env: false
       env:
@@ -63,7 +74,7 @@ jobs:
     # Publish the package to PyPi if a release is created
     - name: Publish package
       uses: pypa/gh-action-pypi-publish@27b31702a0e7fc50959f5ad993c78deac1bdfc29
-      if: github.event_name == 'release'
+      if: github.event_name != 'pull_request'
       with:
         user: __token__
         password: ${{ steps.op-load-secret.outputs.SECRET }}

setup.py

@@ -15,7 +15,14 @@ def get_version() -> str:
     minor = os.environ.get('MINOR', '0')
     patch = os.environ.get('PATCH', '0')
 
-    return f'{major}.{minor}.{patch}'
+    # Determine if this is a pre-release version
+    release_flag = os.environ.get('RELEASE', 'true').lower()
+    prerelease = not bool(release_flag)
+
+    if not prerelease:
+        return f'{major}.{minor}.{patch}'
+    else:
+        return f'{major}.{minor}.{patch}.dev'
 
 def get_readme(filename: str = 'README.md') -> str:
     """