import sys

filename = '/mnt/c/Users/javie/wino-mail-dtkqt/src/ui/mainmainwindow.cpp'
with open(filename, 'r') as f:
    lines = f.readlines()

for i, line in enumerate(lines):
    if '#include "ui/models/emaillistmodel.h"' in line:
        lines.insert(i+1, '#include "ui/maillistview.h"\n')
        break

with open(filename, 'w') as f:
    f.writelines(lines)

print('Added include')