Added pre-commit (#293)

* Added pre-commit config

* Make CI use pre-commit

Author: Markus28

.github/workflows/github-ci.yml

@@ -4,7 +4,7 @@ on: [push, pull_request]
 
 jobs:
 
-  style:
+  pre-commit:
 
     runs-on: ubuntu-latest
 
@@ -20,14 +20,18 @@ jobs:
       - name: Upgrade pip
         run: python -m pip install --upgrade pip
 
-      - name: Install dependencies
-        run: python -m pip install "flake8==4.0.1" "black==22.3.0"
+      - name: Install pre-commit
+        run: pip install pre-commit
 
-      - name: check style with black
-        run: python -m black mip --line-length=89 --check --diff
+      - name: Check pre-commit version
+        run: pre-commit --version
+
+      - name: Set up hooks
+        run: pre-commit install
+
+      - name: Check style
+        run: pre-commit run --all-files
 
-      - name: check for unused imports with flake8
-        run: python -m flake8 mip --select=F401 --exclude=__init__.py
 
 
   test:

.pre-commit-config.yaml

@@ -0,0 +1,13 @@
+files: ^mip/
+exclude: ^mip/_version.py
+repos:
+-   repo: https://github.com/psf/black
+    rev: 22.3.0
+    hooks:
+    - id: black
+      args: [--line-length=89]
+-   repo: https://gitlab.com/pycqa/flake8
+    rev: 4.0.1
+    hooks:
+    - id: flake8
+      args: [--select=F401, --exclude=__init__.py]