crawl.py

# Obtained from https://www.perfcode.com/p/python-calls-google-translate-api.html with sincere gratitude

import re
import html
from urllib import parse
import requests

GOOGLE_TRANSLATE_URL = 'http://translate.google.com/m?q=%s&tl=%s&sl=%s'


def translate(text, to_language="auto", text_language="auto"):
    text = parse.quote(text)
    url = GOOGLE_TRANSLATE_URL % (text, to_language, text_language)
    response = requests.get(url)
    data = response.text
    expr = r'(?s)class="(?:t0|result-container)">(.*?)<'
    result = re.findall(expr, data)
    if len(result) == 0:
        return ""

    return html.unescape(result[0])


if __name__ == '__main__':
    print(translate("你吃饭了么?", "en", "zh-CN"))  # 汉语转英语
    print(translate("你吃饭了么？", "ja", "zh-CN"))  # 汉语转日语
    print(translate("about your situation", "zh-CN", "en"))  # 英语转汉语