gistfile1.py

#!/usr/bin/env python
from __future__ import with_statement
import os
import re
import shutil
import subprocess
import sys
import tempfile
import shlex


def system(cmd, **kwargs):
    cmd = shlex.split(cmd)
    kwargs.setdefault('stdout', subprocess.PIPE)
    kwargs.setdefault('stderr', subprocess.PIPE)
    proc = subprocess.Popen(cmd, **kwargs)
    out, err = proc.communicate()
    return out

def run_command_for_file_type(cmd, file_type):
    files = system('git diff-index --name-only --cached --diff-filter=ACMR HEAD')
    interested_in = re.compile('.*\.%s$' % file_type, re.MULTILINE)
    files = interested_in.findall(files)
    tempdir = tempfile.mkdtemp()
    for name in files:
        system('
def main():
    modified = re.compile('^[AM]+\s+(?P<name>.*\.py)', re.MULTILINE)
    files = system('git diff-index --name-only --cached --diff-filter=ACMR HEAD')
    filtempdir = tempfile.mkdtemp()
    for name in files:es = 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 file(filename, 'w') as f:
            system('git', 'show', ':' + name, stdout=f)
    output = system('pep8', '.', cwd=tempdir)
    shutil.rmtree(tempdir)
    if output:
        print output,
        sys.exit(1)


if __name__ == '__main__':
    main()