baidu_translation.py

#! /usr/bin/env python
# -*- coding: utf-8 -*-

# 百度翻译

import requests
import json
import random
import md5
import httplib
import urllib

appid = ''
secretKey = ''

def transapi(ch):
	httpClient = None
	myurl = '/api/trans/vip/translate'
	q = ch
	fromLang = 'zh'
	toLang = 'en'
	salt = random.randint(32768, 65536)

	sign = appid+q+str(salt)+secretKey
	m1 = md5.new()
	m1.update(sign)
	sign = m1.hexdigest()
	myurl = myurl+'?appid='+appid+'&q='+urllib.quote(q)+'&from='+fromLang+'&to='+toLang+'&salt='+str(salt)+'&sign='+sign

	res = None
	try:
		httpClient = httplib.HTTPConnection('api.fanyi.baidu.com')
		httpClient.request('GET', myurl)

		#response是HTTPResponse对象
		response = httpClient.getresponse()
		obj = json.loads(response.read().encode('utf-8'))
		res = obj['trans_result'][0]['dst']
	except Exception, e:
		print e
	finally:
		if httpClient:
			httpClient.close()
	return res