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| import requests
import re
import json
import time
class GoogleTranslator ():
_host = 'translate.google.cn'
_headers = {
'Host': _host,
'User-Agent': 'Mozilla/5.0 (Linux; Android 6.0; Nexus 5 Build/MRA58N) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/76.0.3809.100 Mobile Safari/537.36',
'Accept': 'text/html,application/xhtml+xml,application/xml;q=0.9,*/*;q=0.8',
'Accept-Language': 'zh-CN,zh;q=0.8,en-US;q=0.5,en;q=0.3',
'Accept-Encoding': 'gzip, deflate, br',
'Content-Type': 'application/x-www-form-urlencoded;charset=utf-8',
'Referer': 'https://' + _host,
'Connection': 'keep-alive',
'Cache-Control': 'max-age=0'
}
_language = {
'afrikaans': 'af',
'arabic': 'ar',
'belarusian': 'be',
'bulgarian': 'bg',
'catalan': 'ca',
'czech': 'cs',
'welsh': 'cy',
'danish': 'da',
'german': 'de',
'greek': 'el',
'english': 'en',
'esperanto': 'eo',
'spanish': 'es',
'estonian': 'et',
'persian': 'fa',
'finnish': 'fi',
'french': 'fr',
'irish': 'ga',
'galician': 'gl',
'hindi': 'hi',
'croatian': 'hr',
'hungarian': 'hu',
'indonesian': 'id',
'icelandic': 'is',
'italian': 'it',
'hebrew': 'iw',
'japanese': 'ja',
'korean': 'ko',
'latin': 'la',
'lithuanian': 'lt',
'latvian': 'lv',
'macedonian': 'mk',
'malay': 'ms',
'maltese': 'mt',
'dutch': 'nl',
'norwegian': 'no',
'polish': 'pl',
'portuguese': 'pt',
'romanian': 'ro',
'russian': 'ru',
'slovak': 'sk',
'slovenian': 'sl',
'albanian': 'sq',
'serbian': 'sr',
'swedish': 'sv',
'swahili': 'sw',
'thai': 'th',
'filipino': 'tl',
'turkish': 'tr',
'ukrainian': 'uk',
'vietnamese': 'vi',
'yiddish': 'yi',
'chinese_simplified': 'zh-CN',
'chinese_traditional': 'zh-TW',
'auto': 'auto'
}
_url = 'https://' + _host + '/translate_a/single'
_params = {
'client': 'webapp',
'sl': 'en',
'tl': 'zh-CN',
'hl': 'zh-CN',
'dt': 'at',
'dt': 'bd',
'dt': 'ex',
'dt': 'ld',
'dt': 'md',
'dt': 'qca',
'dt': 'rw',
'dt': 'rm',
'dt': 'ss',
'dt': 't',
'otf': '1',
'ssel': '0',
'tsel': '0',
'kc': '1'
}
__cookies = None
__googleTokenKey = '376032.257956'
__googleTokenKeyUpdataTime = 600.0
__googleTokenKeyRetireTime = time.time() + 600.0
def __init__(self, src = 'en', dest = 'zh-CN', tkkUpdataTime = 600.0):
if src not in self._language and src not in self._language.values():
src = 'auto'
if dest not in self._language and dest not in self._language.values():
dest = 'auto'
self._params['sl'] = src
self._params['tl'] = dest
self.googleTokenKeyUpdataTime = tkkUpdataTime
self.__updateGoogleTokenKey()
def __updateGoogleTokenKey(self):
self.__googleTokenKey = self.__getGoogleTokenKey()
self.__googleTokenKeyRetireTime = time.time() + self.__googleTokenKeyUpdataTime
def __getGoogleTokenKey(self):
"""Get the Google TKK from https://translate.google.cn"""
result = ''
try:
res = requests.get('https://' + self._host, timeout = 3)
res.raise_for_status()
self.__cookies = res.cookies
result = re.search(r'tkk\:\'(\d+\.\d+)?\'', res.text).group(1)
except requests.exceptions.ReadTimeout as ex:
print('ERROR: ' + str(ex))
time.sleep(1)
return result
def __getGoogleToken(self, a, TKK):
"""Calculate Google tk from TKK """
def RL(a, b):
for d in range(0, len(b)-2, 3):
c = b[d + 2]
c = ord(c[0]) - 87 if 'a' <= c else int(c)
c = a >> c if '+' == b[d + 1] else a << c
a = a + c & 4294967295 if '+' == b[d] else a ^ c
return a
g = []
f = 0
while f < len(a):
c = ord(a[f])
if 128 > c:
g.append(c)
else:
if 2048 > c:
g.append((c >> 6) | 192)
else:
if (55296 == (c & 64512)) and (f + 1 < len(a)) and (56320 == (ord(a[f+1]) & 64512)):
f += 1
c = 65536 + ((c & 1023) << 10) + (ord(a[f]) & 1023)
g.append((c >> 18) | 240)
g.append((c >> 12) & 63 | 128)
else:
g.append((c >> 12) | 224)
g.append((c >> 6) & 63 | 128)
g.append((c & 63) | 128)
f += 1
e = TKK.split('.')
h = int(e[0]) or 0
t = h
for item in g:
t += item
t = RL(t, '+-a^+6')
t = RL(t, '+-3^+b+-f')
t ^= int(e[1]) or 0
if 0 > t:
t = (t & 2147483647) + 2147483648
result = t % 1000000
return str(result) + '.' + str(result ^ h)
def translate(self, text):
if time.time() > self.__googleTokenKeyRetireTime:
self.__updateGoogleTokenKey()
data = {'q': text}
self._params['tk'] = self.__getGoogleToken(text, self.__googleTokenKey)
result = ''
try:
res = requests.post(self._url,
headers = self._headers,
cookies = self.__cookies,
data = data,
params = self._params,
timeout = 6)
res.raise_for_status()
jsonText = res.text
if len(jsonText)>0:
jsonResult = json.loads(jsonText)
if len(jsonResult[0])>0:
for item in jsonResult[0]:
result += item[0]
return result
except Exception as ex:
print('ERROR: ' + str(ex))
return ''
|