added pre-commit

.pre-commit-config.yaml

@@ -0,0 +1,34 @@
+exclude: 'docs|node_modules|migrations|.git|.tox'
+default_stages: [commit]
+fail_fast: true
+
+repos:
+  - repo: https://github.com/pre-commit/pre-commit-hooks
+    rev: v4.0.1
+    hooks:
+      - id: trailing-whitespace
+      - id: end-of-file-fixer
+      - id: check-yaml
+
+  - repo: https://github.com/psf/black
+    rev: 21.5b1
+    hooks:
+      - id: black
+
+  - repo: https://github.com/timothycrosley/isort
+    rev: 5.8.0
+    hooks:
+      - id: isort
+
+  - repo: https://gitlab.com/pycqa/flake8
+    rev: 3.9.2
+    hooks:
+      - id: flake8
+        args: ['--config=setup.cfg']
+        additional_dependencies: [flake8-isort]
+
+  - repo: https://github.com/pycqa/pydocstyle
+    rev: 6.1.1
+    hooks:
+      - id: pydocstyle
+        args: ['detectree', '--config=setup.cfg']

environment-dev.yml

@@ -32,6 +32,7 @@ dependencies:
   - m2r2
   - pydocstyle
   - pytest
+  - pre-commit
   - sphinx
   - sphinx-click
   - sphinxcontrib-bibtex