Add pre-commit file

.pre-commit-config.yaml

@@ -0,0 +1,43 @@
+repos:
+  - repo: https://github.com/pre-commit/pre-commit-hooks
+    rev: v4.0.1
+    hooks:
+      - id: check-toml
+      - id: check-yaml
+      - id: check-merge-conflict
+      - id: requirements-txt-fixer
+      - id: end-of-file-fixer
+      - id: trailing-whitespace
+        args: [--markdown-linebreak-ext=md]
+
+  - repo: https://github.com/pre-commit/pygrep-hooks
+    rev: v1.9.0
+    hooks:
+      - id: python-check-blanket-noqa
+
+  - repo: https://github.com/psf/black
+    rev: 21.7b0
+    hooks:
+      - id: black
+        args: [--line-length=120]
+
+  - repo: https://github.com/asottile/reorder_python_imports
+    rev: v2.6.0
+    hooks:
+      - id: reorder-python-imports
+
+  - repo: https://github.com/pycqa/flake8
+    rev: 3.9.2
+    hooks:
+      - id: flake8
+        additional_dependencies:
+          - flake8-annotations~=2.0
+          - flake8-bandit~=2.1
+          - flake8-docstrings~=1.5
+        args: [--max-line-length=120, --ignore=ANN101 D107 ANN102 ANN206 D105 ANN204]
+
+  - repo: https://github.com/pre-commit/mirrors-mypy
+    rev: v0.910
+    hooks:
+      - id: mypy
+        args: [--install-types, --non-interactive]