Add version check before publishing to PyPI (#1624)

* Add version check before publishing to PyPI

Author: ogabrielluiz

.github/workflows/pre-release-base.yml

@@ -35,8 +35,27 @@ jobs:
         run: make build base=true
       - name: Check Version
         id: check-version
+        # In this step, we should check the version of the package
+        # and see if it is a version that is already released
+        # echo version=$(cd src/backend/base && poetry version --short) >> $GITHUB_OUTPUT
+        # cd src/backend/base && poetry version --short should
+        # be different than the last release version in pypi
+        # which we can get from curl -s "https://pypi.org/pypi/langflow/json" | jq -r '.releases | keys | .[]' | sort -V | tail -n 1
         run: |
-          echo version=$(cd src/backend/base && poetry version --short) >> $GITHUB_OUTPUT
+          version=$(cd src/backend/base && poetry version --short)
+          last_released_version=$(curl -s "https://pypi.org/pypi/langflow-base/json" | jq -r '.releases | keys | .[]' | sort -V | tail -n 1)
+          if [ "$version" = "$last_released_version" ]; then
+            echo "Version $version is already released. Skipping release."
+            exit 1
+          else
+            echo version=$version >> $GITHUB_OUTPUT
+          fi
+
+      - name: Publish to PyPI
+        env:
+          POETRY_PYPI_TOKEN_PYPI: ${{ secrets.PYPI_API_TOKEN }}
+        run: |
+          make publish base=true
       - name: Create Release
         uses: ncipollo/release-action@v1
         with:
@@ -47,11 +66,6 @@ jobs:
           prerelease: true
           tag: v${{ steps.check-version.outputs.version }}
           commit: dev
-      - name: Publish to PyPI
-        env:
-          POETRY_PYPI_TOKEN_PYPI: ${{ secrets.PYPI_API_TOKEN }}
-        run: |
-          make publish base=true
       - name: Set up QEMU
         uses: docker/setup-qemu-action@v3
       - name: Set up Docker Buildx

.github/workflows/pre-release-langflow.yml

@@ -40,9 +40,21 @@ jobs:
       - name: Check Version
         id: check-version
         run: |
-          echo version=$(poetry version --short) >> $GITHUB_OUTPUT
+          version=$(cd src/backend/base && poetry version --short)
+          last_released_version=$(curl -s "https://pypi.org/pypi/langflow/json" | jq -r '.releases | keys | .[]' | sort -V | tail -n 1)
+          if [ "$version" = "$last_released_version" ]; then
+            echo "Version $version is already released. Skipping release."
+            exit 1
+          else
+            echo version=$version >> $GITHUB_OUTPUT
+          fi
       - name: Display pyproject.toml langflow-base Version
         run: cat pyproject.toml | grep langflow-base
+      - name: Publish to PyPI
+        env:
+          POETRY_PYPI_TOKEN_PYPI: ${{ secrets.PYPI_API_TOKEN }}
+        run: |
+          make publish main=true
       - name: Create Release
         uses: ncipollo/release-action@v1
         with:
@@ -53,11 +65,6 @@ jobs:
           prerelease: true
           tag: v${{ steps.check-version.outputs.version }}
           commit: dev
-      - name: Publish to PyPI
-        env:
-          POETRY_PYPI_TOKEN_PYPI: ${{ secrets.PYPI_API_TOKEN }}
-        run: |
-          make publish main=true
       - name: Set up QEMU
         uses: docker/setup-qemu-action@v3
       - name: Set up Docker Buildx