check for environment variable

.github/workflows/build_wheels.yml

@@ -56,11 +56,11 @@ jobs:
         with:
           python-version: "3.x" # Use the latest version of Python 3
 
-      - name: Install Flit
-        run: python -m pip install flit
+      - name: Install Twine
+        run: python -m pip install --upgrade pip && python -m pip install --upgrade twine
 
-      - name: Publish to PyPI
-        run: flit publish --repository pypi
+      - name: Upload to PyPI using script
+        run: bash scripts/upload_latest.sh
         env:
-          FLIT_USERNAME: ${{ secrets.PYPI_USERNAME }}
-          FLIT_PASSWORD: ${{ secrets.PYPI_PASSWORD }}
+          TWINE_USERNAME: ${{ secrets.TWINE_USERNAME }}
+          TWINE_PASSWORD: ${{ secrets.TWINE_PASSWORD }}

scripts/upload_latest.sh

@@ -1,11 +1,22 @@
 #!/bin/bash
 
-# Source the .env file to export the TWINE_USERNAME and TWINE_PASSWORD
+# Check if there is a .env file with TWINE_USERNAME and TWINE_PASSWORD
+# or if the environment variables are already set.
 if [ -f ".env" ]; then
+    echo "Overwriting TWINE_USERNAME and TWINE_PASSWORD environment variables from .env"
     export $(cat .env | xargs)
 else
-    echo ".env file not found"
-    exit 1
+    echo "Checking for TWINE_USERNAME and TWINE_PASSWORD environment variables..."
+
+    if  [ -z "$TWINE_USERNAME" ]; then
+        echo "TWINE_USERNAME environment variable was not set"
+        exit 1
+    fi
+
+    if  [ -z "$TWINE_PASSWORD" ]; then
+        echo "TWINE_PASSWORD environment variable was not set"
+        exit 1
+    fi
 fi
 
 # Navigate to the dist directory