mycroft-core/scripts/pre-commit

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"""
Forked from https://gist.github.com/810399
INSTALLED BY MYCROFT DEV SETUP
"""
from __future__ import with_statement, print_function
import os
import re
import shutil
import subprocess
import sys
import tempfile
# don't fill in both of these
select_codes = []
ignore_codes = ["E121", "E122", "E123", "E124", "E125", "E126", "E127", "E128",
"E129", "E501", "E722", "E226", "W504"]
# Add things like "--max-line-length=120" below
overrides = []
def system(*args, **kwargs):
kwargs.setdefault('stdout', subprocess.PIPE)
proc = subprocess.Popen(args, **kwargs)
out, err = proc.communicate()
return out
def main():
modified = re.compile('^[AM]+\s+(?P<name>.*\.py$)', re.MULTILINE)
files = system('git', 'status', '--porcelain').decode("utf-8")
files = modified.findall(files)
tempdir = tempfile.mkdtemp()
for name in files:
filename = os.path.join(tempdir, name)
filepath = os.path.dirname(filename)
if not os.path.exists(filepath):
os.makedirs(filepath)
with open(filename, 'w') as f:
system('git', 'show', ':' + name, stdout=f)
checker_path = os.path.join(os.path.dirname(__file__),
'..', '..', '.venv', 'bin', 'pycodestyle')
checker_path = os.path.abspath(checker_path)
args = [checker_path]
if select_codes and ignore_codes:
print('Error: select and ignore codes are mutually exclusive')
sys.exit(1)
elif select_codes:
args.extend(('--select', ','.join(select_codes)))
elif ignore_codes:
args.extend(('--ignore', ','.join(ignore_codes)))
args.extend(overrides)
args.append('.')
output = system(*args, cwd=tempdir)
shutil.rmtree(tempdir)
if output:
print('PEP8 style violations have been detected. Please fix them\n'
'or force the commit with "git commit --no-verify".\n')
print(output.decode("utf-8"),)
sys.exit(1)
if __name__ == '__main__':
main()