add pypi-release.yml and pypi-helper.py

.github/workflows/pypi-release.yml

@@ -0,0 +1,44 @@
+name: PyPI Release
+
+on:
+  push:
+    branches:
+      - "dev/ci/add-pypi-release"
+    paths:
+      - 'ldm/invoke/_version.py'
+  workflow_dispatch:
+
+jobs:
+  release:
+    runs-on: ubuntu-22.04
+    env:
+      TWINE_USERNAME: __token__
+      TWINE_PASSWORD: ${{ secrets.PYPI_API_TOKEN }}
+      TWINE_NON_INTERACTIVE: 1
+    steps:
+      - name: checkout sources
+        uses: actions/checkout@v3
+
+      - name: install deps
+        run: pip install --upgrade build twine
+
+      - name: build package
+        run: python3 -m build
+
+      - name: check distribution
+        run: twine check dist/*
+
+      - name: check PyPI versions
+        # if: github.ref == 'refs/heads/main'
+        run: |
+          pip install --upgrade requests
+          python -c "\
+          import scripts.pypi_helper; \
+          EXISTS=scripts.pypi_helper.local_on_pypi(); \
+          print(f'PACKAGE_EXISTS={EXISTS}')" >> $GITHUB_ENV
+
+      - name: just for debugging
+        run: echo $PACKAGE_EXISTS
+      # - name: upload package
+      #   if: env.PACKAGE_EXISTS == 'False'
+      #   run: twine upload dist/*

scripts/pypi-helper.py

@@ -0,0 +1,27 @@
+import requests as request
+
+import ldm.invoke._version as version
+
+local_version = str(version.__version__)
+
+
+def get_pypi_versions(package_name="InvokeAI") -> list[str]:
+    """Get the versions of the package from PyPI"""
+    url = f"https://pypi.org/pypi/{package_name}/json"
+    response = request.get(url).json()
+    versions: list[str] = list(response["releases"].keys())
+    return versions
+
+
+def local_on_pypi(package_name="InvokeAI", local_version=local_version) -> bool:
+    """Compare the versions of the package from PyPI and the local package"""
+    pypi_versions = get_pypi_versions(package_name)
+    return local_version in pypi_versions
+
+
+if __name__ == "__main__":
+    package_name = "InvokeAI"
+    if local_on_pypi():
+        print(f"Package {package_name} is up to date")
+    else:
+        print(f"Package {package_name} is not up to date")