Initial commit of pyproject.toml and .pre-commit-config.yaml

Author: Josh Sixsmith

.pre-commit-config.yaml

@@ -0,0 +1,19 @@
+# See https://pre-commit.com for more information
+# See https://pre-commit.com/hooks.html for more hooks
+repos:
+-   repo: https://github.com/pre-commit/pre-commit-hooks
+    rev: v2.4.0
+    hooks:
+    -   id: trailing-whitespace
+    -   id: end-of-file-fixer
+    -   id: check-yaml
+    -   id: check-added-large-files
+-   repo: https://github.com/psf/black
+    rev: 19.3b0
+    hooks:
+    -   id: black
+        language_version: python3
+-   repo: https://gitlab.com/pycqa/flake8
+    rev: ''  # pick a git hash / tag to point to
+    hooks:
+    -   id: flake8

pyproject.toml

@@ -0,0 +1,25 @@
+[build-system]
+requires = ["setuptools>=42", "wheel"]
+
+[tool.black]
+line-length = 90
+target-version = ['py36', 'py37', 'py38']
+include = '\.pyi?$'
+exclude = '''
+
+(
+  /(
+      \.eggs         # exclude a few common directories in the
+    | \.git          # root of the project
+    | \.hg
+    | \.mypy_cache
+    | \.tox
+    | \.venv
+    | _build
+    | buck-out
+    | build
+    | dist
+  )/
+  | versioneer.py
+)
+'''