import requests
import json
import sys

class BaiFanyi():

    def __init__(self,trant_str):
        self.trant_str = trant_str
        self.lan_url = "https://fanyi.baidu.com/langdetect"     
        self.trant_url = "https://fanyi.baidu.com/basetrans"    
        self.headers = {"User-Agent": "Mozilla/5.0 (Linux; Android 6.0; Nexus 5 Build/MRA58N) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/70.0.3528.4 Mobile Safari/537.36"}

    def __parse_url(self,url,data):
        reponse = requests.post(url,data=data,headers =self.headers)
        return json.loads(reponse.content.decode())

    def __trant_url(self,url,data):
        reponse_trant_url = requests.post(url,data=data,headers=self.headers)
        return json.loads(reponse_trant_url.content.decode())

    def __show_reslut(self,result):
        show = result['trans'][0]['dst']
        print("翻譯結果：",show)

    def run(self):
        # 1、獲取翻譯型別
            # 1.1準備post的url地址，post_data
            post_data = {"query":self.trant_str}
            # 1.2傳送post請求，獲取相應
            lan_result = self.__parse_url(self.lan_url,post_data)
            # 1.3提取語言型別
            lan = lan_result['lan']
    
        #2、準備post資料
            trant_data = {"query": self.trant_str, "from": "zh", "to": "en"} if lan == "zh" else {"query": self.trant_str, "from": "en", "to": "zh"}
        # 3傳送請求、獲取相應
            trant_result = self.__trant_url(self.trant_url,trant_data)

        # 4、提取翻譯的結果
            self.__show_reslut(trant_result)

if __name__ == "__main__":
    trant_str = sys.argv[1]
    baidu_fanyi = BaiFanyi(trant_str)
    baidu_fanyi.run()
 

實現效果

PS C:\Users\32165\Desktop\pythonteach> & python c:/pythonteach//c1-百度翻譯.py “你好” 翻譯結果： Hello PS C:\Users\32165\Desktop\pythonteach> & python c:/pythonteach/c1-百度翻譯.py “hello world” 翻譯結果： 你好世界