Merge pull request #185 from ral-facilities/feature/add-code-linting-…

…#165

Add Code Linting and Implementation of Hypermodern Python

.flake8

@@ -0,0 +1,10 @@
+# .flake8
+[flake8]
+select = A,B,B9,BLK,C,E,F,I,N,S,W
+ignore = E203,W503,E501
+max-complexity = 17
+max-line-length = 80
+application-import-names = datagateway_api,test,util
+import-order-style = google
+per-file-ignores = test/*:S101,util/icat_db_generator.py:S311
+enable-extensions=G

.gitignore

@@ -4,3 +4,5 @@ venv/
 logs.log
 config.json
 .vscode/
+.nox/
+.python-version

.pre-commit-config.yaml

@@ -0,0 +1,18 @@
+repos:
+-   repo: https://github.com/pre-commit/pre-commit-hooks
+    rev: v3.3.0
+    hooks:
+    -   id: check-docstring-first
+    -   id: check-json
+    -   id: check-toml
+    -   id: check-yaml
+    -   id: detect-private-key
+    -   id: end-of-file-fixer
+    -   id: trailing-whitespace
+-   repo: local
+    hooks:
+    -   id: black
+        name: black
+        entry: poetry run black
+        language: system
+        types: [python]