style: run pre-commit

Author: henryiii

.github/workflows/conda.yml

@@ -30,7 +30,7 @@ jobs:
         with:
           python-version: ${{ matrix.python-version }}
           channels: conda-forge
-          
+
       - name: Prepare
         run: conda install conda-build conda-verify
 

.pre-commit-config.yaml

@@ -0,0 +1,66 @@
+# To use:
+#
+#     pre-commit run -a
+#
+# Or:
+#
+#     pre-commit install  # (runs every time you commit in git)
+#
+# To update this file:
+#
+#     pre-commit autoupdate
+#
+# See https://github.com/pre-commit/pre-commit
+
+ci:
+  autoupdate_commit_msg: "chore: update pre-commit hooks"
+  autofix_commit_msg: "style: pre-commit fixes"
+
+repos:
+# Standard hooks
+- repo: https://github.com/pre-commit/pre-commit-hooks
+  rev: v4.0.1
+  hooks:
+  - id: check-added-large-files
+  - id: check-case-conflict
+  - id: check-merge-conflict
+  - id: check-symlinks
+  - id: check-yaml
+    exclude: ^conda\.recipe/meta\.yaml$
+  - id: debug-statements
+  - id: end-of-file-fixer
+  - id: mixed-line-ending
+  - id: requirements-txt-fixer
+  - id: trailing-whitespace
+
+# Black, the code formatter, natively supports pre-commit
+- repo: https://github.com/psf/black
+  rev: 21.9b0
+  hooks:
+  - id: black
+    files: ^(docs)
+
+# Sort your imports in a standard form
+- repo: https://github.com/PyCQA/isort
+  rev: 5.9.3
+  hooks:
+  - id: isort
+
+# Upgrade older Python syntax
+- repo: https://github.com/asottile/pyupgrade
+  rev: v2.29.0
+  hooks:
+  - id: pyupgrade
+    args: ["--py36-plus"]
+
+# Changes tabs to spaces
+- repo: https://github.com/Lucas-C/pre-commit-hooks
+  rev: v1.1.10
+  hooks:
+  - id: remove-tabs
+
+# Suggested hook if you add a .clang-format file
+# - repo: https://github.com/pre-commit/mirrors-clang-format
+#  rev: v13.0.0
+#  hooks:
+#  - id: clang-format

README.md

@@ -21,7 +21,7 @@ python_example
 [actions-wheels-link]:     https://github.com/pybind/python_example/actions?query=workflow%3AWheels
 [actions-wheels-badge]:    https://github.com/pybind/python_example/workflows/Wheels/badge.svg
 [travis-link]:             https://travis-ci.org/pybind/python_example
-[travis-badge]:            https://travis-ci.org/pybind/python_example.svg?branch=master&status=passed 
+[travis-badge]:            https://travis-ci.org/pybind/python_example.svg?branch=master&status=passed
 [appveyor-link]:           https://ci.appveyor.com/project/wjakob/python-example
 <!-- TODO: get a real badge link for appveyor -->
 [appveyor-badge]:          https://travis-ci.org/pybind/python_example.svg?branch=master&status=passed