add pre-commit capability

.pre-commit-config.yaml

@@ -0,0 +1,41 @@
+# Configuration file for `pre-commit` tool.
+# Source: https://pre-commit.com/#pre-commit-configyaml---top-level
+exclude: "docs|node_modules|migrations|.git|.tox|README.md|sample_setups/(external-setups|jsons)|tests/deprecated"
+default_stages: [commit]
+fail_fast: true
+
+repos:
+    # =======================
+    # General file formatters
+    # =======================
+    - repo: https://github.com/pre-commit/pre-commit-hooks
+      rev: v4.4.0
+      hooks:
+          - id: trailing-whitespace
+            args: [--markdown-linebreak-ext=md]
+          - id: end-of-file-fixer
+          - id: check-yaml
+
+    # =======================
+    # Python code formatters
+    # =======================
+    - repo: https://github.com/psf/black
+      rev: 23.3.0
+      hooks:
+          - id: black
+
+    - repo: https://github.com/timothycrosley/isort
+      rev: 5.13.2
+      hooks:
+          - id: isort
+            args: ["--honor-noqa"]
+
+    # =======================
+    # Python linting
+    # =======================
+    - repo: https://github.com/pycqa/flake8
+      rev: 7.0.0
+      hooks:
+          - id: flake8
+            args: ["--config=setup.cfg"]
+            additional_dependencies: [flake8-isort]