autopep8_fix_file.py

import os
from fnmatch import fnmatch
import autopep8

root = '.'
cmd_args = ['dummy', '-d']
args = autopep8.parse_args(cmd_args)

for dirname, dirs, files in os.walk(root):
    print(dirname, dirs, files)
    for filename in files:
        if fnmatch(filename, '*.py'):
            f = os.path.join(dirname, filename)
            autopep8.fix_file(f, options=args)