feat: add black GHA for changed files

.github/workflows/lint.yml

@@ -0,0 +1,37 @@
+name: Lint
+
+on: [pull_request, push]
+
+jobs:
+  lint:
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v3
+        with:
+          fetch-depth: 0
+      - id: changedfiles
+        name: Get list of changed .py files
+        run: |
+          set -x
+          echo "CHANGED_FILES=$(git diff --name-only --diff-filter=ACMRT ${{ github.event.pull_request.base.sha }} ${{ github.sha }} | grep .py$ | xargs)" >> "$GITHUB_OUTPUT"
+          if [[ $(git diff --name-only --diff-filter=ACMRT ${{ github.event.pull_request.base.sha }} ${{ github.sha }} | grep .py$ | wc -l) -eq 0 ]]; then
+            echo "HAS_CHANGES=false" >> "$GITHUB_OUTPUT"
+          else
+            echo "HAS_CHANGES=true" >> "$GITHUB_OUTPUT"
+          fi
+      - uses: actions/setup-python@v4
+        name: Setup python for isort
+        if: steps.changedfiles.outputs.HAS_CHANGES == 'true'
+        with:
+          python-version: "3.10"
+      - name: Run isort on changed files
+        if: steps.changedfiles.outputs.HAS_CHANGES == 'true'
+        run: |
+          set -x
+          python -m pip install isort
+          isort --check ${{ steps.changedfiles.outputs.CHANGED_FILES }}
+      - uses: psf/black@stable
+        name: Run black on changed files
+        if: steps.changedfiles.outputs.HAS_CHANGES == 'true'
+        with:
+          src: ${{ steps.changedfiles.outputs.CHANGED_FILES }}

.pre-commit-config.yaml

@@ -0,0 +1,27 @@
+#===============================================================================
+# Copyright 2023 Intel Corporation
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#     http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+#===============================================================================
+
+repos:
+  - repo: https://github.com/psf/black
+    rev: 23.7.0
+    hooks:
+      - id: black
+        language_version: python3.10
+  - repo: https://github.com/PyCQA/isort
+    rev: 5.12.0
+    hooks:
+      - id: isort
+        language_version: python3.10

pyproject.toml

@@ -19,3 +19,7 @@
 line-length = 90
 target-version = ['py37', 'py38', 'py39', 'py310', 'py311']
 extend-ignore = 'E203'
+
+[tool.isort]
+profile = "black"
+line_length = 90