Setup pre-commit with useful plugins

.git-blame-ignore-revs

@@ -0,0 +1 @@
+8e52306f85582ea626aa3e745547542d35ddae53

.github/workflows/pre-commit.yml

@@ -0,0 +1,14 @@
+name: pre-commit
+
+on:
+  pull_request:
+  push:
+    branches: [main]
+
+jobs:
+  pre-commit:
+    runs-on: ubuntu-latest
+    steps:
+    - uses: actions/checkout@v3
+    - uses: actions/setup-python@v3
+    - uses: pre-commit/[email protected]

.pre-commit-config.yaml

@@ -0,0 +1,25 @@
+repos:
+  - repo: "https://github.com/pre-commit/pre-commit-hooks"
+    rev: v4.1.0
+    hooks:
+      - id: check-ast
+      - id: check-docstring-first
+      - id: check-merge-conflict
+      - id: end-of-file-fixer
+      - id: mixed-line-ending
+      - id: trailing-whitespace
+      - id: check-toml
+  - repo: "https://github.com/pycqa/isort"
+    rev: 5.11.5
+    hooks:
+      - id: isort
+  - repo: "https://github.com/psf/black"
+    rev: 22.3.0
+    hooks:
+      - id: black
+  - repo: "https://github.com/asottile/pyupgrade"
+    rev: v3.15.1
+    hooks:
+      - id: pyupgrade
+        args:
+          - "--py39-plus"

pyproject.toml

@@ -0,0 +1,15 @@
+
+[tool.black]
+line-length = 120
+target-version = ['py39']
+
+[tool.isort]
+src_paths = ["osgpkitools", "tests"]
+py_version = 39
+profile = "black"
+line_length = 120
+combine_star = "True"
+order_by_type = "True"
+dedup_headings = "True"
+lines_between_types = 1
+force_alphabetical_sort_within_sections = "True"