DF-Walkthrough/misc/lint.py
2015-09-30 19:37:38 +10:00

47 lines
1.7 KiB
Python

#!/usr/bin/env python3
"""Check for tabs and trailing whitespace in text files in all subdirs.
Any other automatic checks should be in this file too.
"""
import os
from os.path import *
import sys
text_extensions = ('rst', 'md', 'txt', 'html', 'css', 'js')
def lint(path):
"""Run linters on all files, print problem files."""
print('Checking for tabs or trailing whitespace...')
failed = False
for root, _, files in os.walk(path):
for f in files:
fname = join(root, f)
if '_build' in fname or not any(
fname.endswith(ext) for ext in text_extensions):
continue
with open(fname, encoding='utf-8') as fh:
if '\t' in fh.read():
failed = True
print('ERROR: tabs found in {}'.format(fname))
if any(line.replace('\n', '') != line.rstrip()
for line in fh.readlines()):
failed = True
print('ERROR: trailing whitespace in {}'.format(fname))
fh.seek(0)
for i, line in enumerate(fh.readlines()):
if len(line) > 81:
failed = True
print('ERROR: {}:{} - line too long'.format(
fname, i + 1))
if failed:
print('Use your text editor to convert tabs to spaces, wrap lines '
'or trim trailing whitespace with minimal effort.')
sys.exit(failed)
print('All files are OK')
if __name__ == '__main__':
# lint everything in the parent directory, wherever the script is run from.
p = relpath(join(dirname(__file__), '..'))
lint(p)