[dmlab2d/BUILD, workflows] Use version constant, trigger pypi on "rel…

…ease"

.github/workflows/pypi_upload.yml

@@ -5,9 +5,17 @@ name: pypi_upload
 on:
   workflow_dispatch:
     inputs:
+      release:
+        description: 'Release to upload'
+        type: string
+        default: ''
+      upload_to_test_pypi:
+        description: 'Upload to Test PyPi'
+        type: boolean
+        default: true
       upload_to_pypi:
-        description: 'Whether to upload to PyPi'
-        required: false
+        description: 'Upload to PyPi'
+        type: boolean
         default: false
   release:
     types: [published]
@@ -16,18 +24,29 @@ jobs:
   upload-wheels-to-pypi:
     name: Upload wheels to PyPI
     runs-on: ubuntu-latest
+    environment:
+      name: pypi
+      url: https://pypi.org/p/dmlab2d
+    permissions:
+      id-token: write
     timeout-minutes: 30
 
     env:
       GH_TOKEN: ${{ github.token }}
 
     steps:
-      - name: Download all wheels
-        uses: actions/download-artifact@
+      - name: Download release assets
+        run: gh release download ${{ inputs.release || github.ref }} -D dist -R ${{ github.repository }}
+
+      - name: Publish to TestPyPI
+        if: github.event_name == 'release' || inputs.upload_to_test_pypi
+        uses: pypa/gh-action-pypi-publish@release/v1
         with:
-          name: wheels-${{ github.ref_name }}
+          repository-url: https://test.pypi.org/legacy/
+          verbose: true
 
-      - name: List contents
-        run: |
-          gh release download ${{ github.ref }} -D dist -R ${{ github.repository }}
-          ls -la dist
+      - name: Publish to PyPI
+        if: github.event_name == 'release' || inputs.upload_to_pypi
+        uses: pypa/gh-action-pypi-publish@release/v1
+        with:
+          verbose: true

dmlab2d/BUILD

@@ -113,6 +113,8 @@ py_package(
     ],
 )
 
+VERSION = '1.0.0'  # https://semver.org
+
 py_wheel(
     name = "dmlab2d_wheel",
     abi = PY_TAGS.abi,
@@ -130,7 +132,7 @@ py_wheel(
         "dm_env",
         "numpy",
     ],
-    version = "1.0",
+    version = VERSION,
     deps = [":dmlab2d_pkg"],
 )
 
@@ -153,7 +155,7 @@ py_wheel(
         "dm_env",
         "numpy",
     ],
-    version = "1.0",
+    version = VERSION,
     deps = [":dmlab2d_pkg"],
 )