Add check for urls present in requires_dist

.github/workflows/cpu-ci.yml

@@ -34,6 +34,12 @@ jobs:
         python -m pip install --upgrade pip setuptools==59.4.0 wheel tox pybind11
         python -m pip uninstall protobuf -y
         python -m pip install --no-binary=protobuf protobuf
+    - name: Generate package for pypi
+      run: |
+        python setup.py sdist bdist_wheel
+    - name: Check distribution is valid
+      run: |
+        ./ci/check_dist.sh
     - name: Run tests
       run: |
         ref_type=${{ github.ref_type }}
@@ -44,9 +50,6 @@ jobs:
           branch=${raw/origin\/}
         fi
         tox -e test-cpu -- $branch
-    - name: Generate package for pypi
-      run: |
-        python setup.py sdist bdist_wheel
     - name: Upload pypi artifacts to github
       uses: actions/upload-artifact@v3
       with:
@@ -132,4 +135,4 @@ jobs:
         env:
           ANACONDA_TOKEN: ${{ secrets.ANACONDA_TOKEN }}
         run: |
-          anaconda -t $ANACONDA_TOKEN upload -u nvidia conda/*.tar.bz2
+          anaconda -t $ANACONDA_TOKEN upload -u nvidia conda/*.tar.bz2

ci/check_dist.sh

@@ -0,0 +1,18 @@
+#!/usr/bin/env bash
+
+__dir="$(cd "$(dirname "${BASH_SOURCE[0]}")" && pwd)"
+__root="$(cd "$(dirname "${__dir}")" && pwd)"
+
+pip install pkginfo twine
+
+pkginfo -f requires_dist ${__root}/dist/*.whl | grep "@"
+
+if [ $? -eq 0 ]; then
+    cat <<EOF
+::error::Found direct reference(s) in package requires_dist. Please use only normal version specifiers.
+See https://peps.python.org/pep-0440/#direct-references for more details.
+EOF
+    exit 1
+fi
+
+twine check ${__root}/dist/*