json_to_plaintext.py

#!/usr/bin/python3
# -*- coding: utf-8 -*-

from __future__ import unicode_literals

import sys
import io
import json

prefix = sys.argv[1]

infile = prefix + '.json'

data = json.load(open(infile))

src = io.open(prefix + '.en', 'w', encoding='UTF-8')
target = io.open(prefix + '.de', 'w', encoding='UTF-8')

for sentence in data:
    src.write(sentence['source'] + '\n')
    target.write(sentence['reference'] + '\n')

    for error in sentence['errors']:
        src.write(sentence['source'] + '\n')
        target.write(error['contrastive'] + '\n')