爬虫—有道翻译

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目标：爬取有道翻译数据
作用：在本地进行翻译，并将所用单词与翻译保存于本地文件夹
推荐：基础学习者
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import requests,time,hashlib #导入所需模块，hashlib为md5加密所需模块
def youdao(susu):
#data上传需要修改的数据
salt = int(time.time()*10000)
ts = salt//10
value =“fanyideskweb” + word + str(salt) + “@6f#X3=cCuncYssPsuRUE” #此数据通过网页json文件查找并进行修改
#通过加密获取所需要的加密格式
md5 = hashlib.md5()
md5.update(bytes(value,encoding=‘utf-8’))
sign = md5.hexdigest()
#从网页上开发者工具里复制请求头下的所有值，大多数都是必须值，并将gzip压缩文件注释掉
headers = {
‘Accept’: ‘application/json, text/javascript, /; q=0.01’,
# ‘Accept-Encoding’: ‘gzip, deflate’, #注释掉
‘Accept-Language’: ‘zh-CN,zh;q=0.9’,
‘Connection’: ‘keep-alive’,
‘Content-Length’: ‘236’,
‘Content-Type’: ‘application/x-www-form-urlencoded; charset=UTF-8’,
‘Cookie’: ‘DICT_UGC=be3af0da19b5c5e6aa4e17bd8d90b28a|; [email protected]; JSESSIONID=abcw8bo9Cp-3WauQT8YTw; OUTFOX_SEARCH_USER_ID_NCOO=1021282290.091752; ___rl__test__cookies=1561013181101’,
‘Host’: ‘fanyi.youdao.com’,
‘Origin’: ‘http://fanyi.youdao.com’,
‘Referer’: ‘http://fanyi.youdao.com/’,
‘User-Agent’: ‘Mozilla/5.0 (Windows NT 6.1; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/74.0.3729.169 Safari/537.36’,
‘X-Requested-With’: ‘XMLHttpRequest’
}
#从网页上开发者工具里复制所需要上传的数据所有值，注：i salt sign ts 随机变化的
data = {
‘i’: word,
‘from’: ‘AUTO’,
‘to’: ‘AUTO’,
‘smartresult’: ‘dict’,
‘client’: ‘fanyideskweb’,
‘salt’: salt,
‘sign’: sign,
‘ts’: ts,
‘bv’: ‘c4e95e621267f4d4577f554f2869b772’,
‘doctype’: ‘json’,
‘version’: ‘2.1’,
‘keyfrom’: ‘fanyi.web’,
‘action’: ‘FY_BY_REALTlME’,
}
#翻译接口地址
url = ‘http://fanyi.youdao.com/translate_o?smartresult=dict&smartresult=rule’
#请求数据并返回
response = requests.post(url=url,headers=headers,data=data).text
#进行拼接
data_all = “单词:”+word+"\t"+“翻译:”+response+"\n"
#将所有翻译单词保存到文件里
with open(‘youdao.txt’,‘a’,encoding=‘utf-8’) as f:
f.write(data_all)
return response
#主函数
if name == ‘main’:
while True:
word = input(‘请输入需要翻译的单词:’)
susu = youdao(word)
print(susu)