added pylint to pre-commit and githib workflow push and PR

Author: craigbarratt

.github/workflows/validate.yml

@@ -32,3 +32,14 @@ jobs:
           python-version: "3.x"
       - run: python3 -m pip install -r tests/requirements_test.txt
       - run: pytest --cov=custom_components
+
+  pylint:
+    runs-on: "ubuntu-latest"
+    name: Run pylint
+    steps:
+      - uses: "actions/checkout@v2"
+      - uses: "actions/setup-python@v1"
+        with:
+          python-version: "3.x"
+      - run: python3 -m pip install -r tests/requirements_test.txt
+      - run: pylint custom_components/pyscript/*.py tests/*.py

.pre-commit-config.yaml

@@ -47,3 +47,11 @@ repos:
     rev: v1.23.0
     hooks:
       - id: yamllint
+  - repo: local
+    hooks:
+      - id: pylint
+        name: pylint
+        args: [-j 0]
+        entry: venv/bin/pylint
+        language: system
+        files: ^(custom_components|tests)/.+\.py$

tests/requirements_test.txt

@@ -1,5 +1,8 @@
 croniter>=0.3.34
+mock-open==1.4.0
 pre-commit
 pytest
 pytest-cov>=2.9.0
 pytest-homeassistant
+pylint==2.6.0
+pylint-strict-informational==0.1