def to_csv(input, output):
content = open(input, "rt", encoding='utf-8').read()
# 将输入的信息进行清洗，去掉一些不需要的回车符号
j = ujson.loads(content.replace("\\r", '').replace("\\n", ''))
# 转换成csv格式的字符串
transformed = transform(list(j.values()))
with open(output, "wt", encoding='utf-8') as f:
f.write(transformed)
def test_simple_data_missing_key_first(self):
data = [{
'key_1': 'value 1',
}, {
'key_1': 'value 3',
'key_2': 'value 4'
}]
self.assertEqual(transform(data),
'key_1,key_2\nvalue 1,\nvalue 3,value 4\n')
