Python script that can resolve all git conflicts in some file marked with conflicts based on chosen strategy

merger.py

accept = 'ours' # ours for 'HEAD' #theirs for other's - choose strategy here for all conflicts
filename = 'enter your filename here'
fresult = '{}.{}'.format(filename, 'merged') # result will be near your file with name `original_filename.ext.merged`

with open(filename) as f:
    content = f.readlines()

res = open(fresult, 'w')
to_write = True
merging = False
special_line = False
i = 0
for c in content:
    i += 1

    if c.startswith('<<<<<<< HEAD'):
        special_line = True
        merging = True
        if accept == 'ours':
            to_write = True
            print('line {} accepting HEAD'.format(i))
        else:
            to_write = False
            print('line {} accepting THEIRS'.format(i))

    elif c.startswith('======='):
        special_line = True
        merging = True
        if accept == 'ours':
            to_write = False
        else:
            to_write = True

    elif c.startswith('>>>>>>>'):
        special_line = True
        merging = False
        to_write = True

    else:
        special_line = False

    if to_write and not special_line:
        res.write(c)
res.close()