Add license auto-fix

.github/workflows/fix-license-header.yml

@@ -0,0 +1,62 @@
+name: Fix License Headers
+
+on:
+  pull_request_target:
+
+concurrency:
+  group: ${{ github.workflow }}-${{ github.event.pull_request.number || github.ref }}
+  cancel-in-progress: true
+
+jobs:
+  header-license-fix:
+    runs-on: ubuntu-latest
+
+    permissions:
+      contents: write
+      pull-requests: write
+
+    steps:
+      - name: Checkout
+        uses: actions/checkout@v4
+        with:
+          token: ${{ secrets.GITHUB_TOKEN }}
+
+      - name: Checkout the branch from the PR that triggered the job
+        run: gh pr checkout ${{ github.event.pull_request.number }}
+        env:
+          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
+
+      - name: Fix License Header
+        # pin to include https://github.com/apache/skywalking-eyes/pull/168
+        uses: apache/skywalking-eyes/header@e19b828cea6a6027cceae78f05d81317347d21be
+        with:
+          mode: fix
+
+      - name: List files changed
+        id: files-changed
+        shell: bash -l {0}
+        run: |
+          set -ex
+          export CHANGES=$(git status --porcelain | tee /tmp/modified.log | wc -l)
+          cat /tmp/modified.log
+
+          echo "N_CHANGES=${CHANGES}" >> $GITHUB_OUTPUT
+
+          git diff
+
+      - name: Commit any changes
+        if: steps.files-changed.outputs.N_CHANGES != '0'
+        shell: bash -l {0}
+        run: |
+          git config user.name "github-actions[bot]"
+          git config user.email "github-actions[bot]@users.noreply.github.com"
+
+          git pull --no-tags
+
+          git add *
+          git commit -m "Automatic application of license header"
+
+          git config push.default upstream
+          git push
+        env:
+          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}

.licenserc.yaml

@@ -0,0 +1,16 @@
+header:
+  license:
+    spdx-id: BSD-3-Clause
+    copyright-owner: Datalayer, Inc.
+    copyright-year: 2023-2024
+    software-name: jupyter-kernel-client
+
+  paths-ignore:
+    - '**/*.ipynb'
+    - '**/*.json'
+    - '**/*.yaml'
+    - '**/*.yml'
+    - '**/.*'
+    - 'LICENSE'
+
+  comment: on-failure

jupyter_kernel_client/log.py

@@ -1,3 +1,7 @@
+# Copyright (c) 2023-2024 Datalayer, Inc.
+#
+# BSD 3-Clause License
+
 """Grab the global logger instance.
 
 This is a slight modification of traitlets code licensed under BSD 3-Clause License

jupyter_kernel_client/tests/__init__.py

@@ -1 +1,5 @@
+# Copyright (c) 2023-2024 Datalayer, Inc.
+#
+# BSD 3-Clause License
+
 """Python unit tests for jupyter_kernel_client."""

jupyter_kernel_client/tests/test_client.py

@@ -1,3 +1,7 @@
+# Copyright (c) 2023-2024 Datalayer, Inc.
+#
+# BSD 3-Clause License
+
 async def test_get(jp_fetch):
     await jp_fetch("jupyter-kernel-client/ping")