pre_commit.sh

pip3 install pycodestyle

if [ -f "pre-commit" ];then
rm pre-commit
fi

echo "#!/usr/bin/env python
\"\"\"
Forked from https://gist.github.com/810399
\"\"\" 
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\", \"E131\", \"E501\"]
# 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)

    args = ['pycodestyle']
    if select_codes and ignore_codes:
        print(u'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(u'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()" >> pre-commit

chmod +x pre-commit

if [ -d ".git" ];then
mv pre-commit .git/hooks
else
echo "Error (There is no dir \".git\")"
fi