add pre-commit-config

Author: JaerongA

.pre-commit-config.yaml

@@ -0,0 +1,46 @@
+default_stages: [commit, push]
+exclude: ^images/
+repos:
+  - repo: https://github.com/pre-commit/pre-commit-hooks
+    rev: v4.4.0
+    hooks:
+      - id: trailing-whitespace
+      - id: end-of-file-fixer
+      - id: check-yaml
+      - id: check-added-large-files # prevent giant files from being committed
+      - id: requirements-txt-fixer
+      - id: mixed-line-ending
+        args: ["--fix=lf"]
+        description: Forces to replace line ending by the UNIX 'lf' character.
+
+  # black
+  - repo: https://github.com/psf/black
+    rev: 22.12.0
+    hooks:
+      - id: black
+      - id: black-jupyter
+        args:
+          - --line-length=88
+
+  # isort
+  - repo: https://github.com/pycqa/isort
+    rev: 5.11.2
+    hooks:
+      - id: isort
+        description: Sorts imports in an alphabetical order
+
+  # flake8
+  - repo: https://github.com/pycqa/flake8
+    rev: 4.0.1
+    hooks:
+      - id: flake8
+        args: # arguments to configure flake8
+          # making isort line length compatible with black
+          - "--max-line-length=88"
+          - "--max-complexity=18"
+          - "--select=B,C,E,F,W,T4,B9"
+
+          # these are errors that will be ignored by flake8
+          # check out their meaning here
+          # https://flake8.pycqa.org/en/latest/user/error-codes.html
+          - "--ignore=E203,E266,E501,W503,F403,F401,E402,W605"