Python script to convert quotes in a `git format-patch -1 <sha1>` to apply to converted quotes branch `git am < <patch>`

patch_double_to_single_quote.py

import os

new_lines = []
os.chdir('/home/ubuntu/deluge.git/')
patchfile = '0001-Fix-pylint-warnings.patch'

with open(patchfile) as file_:
    for line in file_.readlines():
        line_strip = line.lstrip('-').lstrip('+').strip()
        if '"' in line and not "'" in line and not '"""' in line and not '\\"' in line:
            if '#' in line and '"' in line.split('#')[1]:
                new_lines.append(line)
            else:
                new_lines.append(line.replace('"', "'"))
        else:
            new_lines.append(line)
                             
with open(patchfile + '.new', 'w') as file_:
    file_.write(''.join(new_lines))