Set up pre-commit hooks

.flake8

@@ -0,0 +1,4 @@
+[flake8]
+ignore = E127,E201,E202,E203,E231,E252,E266,E402,E999,F841,W503,W605
+max-line-length = 80
+exclude = .git,docs,docsrc,scripts,cmdstanpy_tutorial.py,rtd_change_default_version.py

.pre-commit-config.yaml

@@ -0,0 +1,30 @@
+exclude: 'docsrc'
+fail_fast: true
+repos:
+  - repo: https://github.com/pre-commit/pre-commit-hooks
+    rev: v3.2.0
+    hooks:
+    -   id: check-yaml
+ # isort should run before black as black sometimes tweaks the isort output
+  - repo: https://github.com/PyCQA/isort
+    rev: 5.9.1
+    hooks:
+      - id: isort
+  # https://github.com/python/black#version-control-integration
+  - repo: https://github.com/psf/black
+    rev: 21.6b0
+    hooks:
+      - id: black
+  - repo: https://github.com/pycqa/flake8
+    rev: 3.9.2
+    hooks:
+      - id: flake8
+  # local uses the user-installed pylint, this allows dependency checking
+  - repo: local
+    hooks:
+    -   id: pylint
+        name: pylint
+        entry: pylint
+        language: system
+        types: [python]
+        args: [--rcfile=.pylintrc]

.pylintrc

@@ -7,7 +7,7 @@ extension-pkg-whitelist=ujson
 
 # Add files or directories to the blacklist. They should be base names, not
 # paths.
-ignore=CVS
+ignore=docsrc/
 
 # Add files or directories matching the regex patterns to the blacklist. The
 # regex matches against base names, not paths.

test/test_generate_quantities.py

@@ -2,6 +2,7 @@
 
 import os
 import unittest
+
 from pandas.testing import assert_frame_equal
 
 from cmdstanpy.cmdstan_args import Method

test/test_metadata.py

@@ -4,10 +4,9 @@
 import unittest
 
 from cmdstanpy.cmdstan_args import CmdStanArgs, SamplerArgs
-from cmdstanpy.stanfit import RunSet, InferenceMetadata
+from cmdstanpy.stanfit import InferenceMetadata, RunSet
 from cmdstanpy.utils import EXTENSION, check_sampler_csv
 
-
 HERE = os.path.dirname(os.path.abspath(__file__))
 DATAFILES_PATH = os.path.join(HERE, 'data')
 

test/test_sample.py

@@ -11,7 +11,6 @@
 from time import time
 
 import numpy as np
-
 import pytest
 from testfixtures import LogCapture