菜品识别 API调用

    #get_access_token.py
    #获取access_token
 1 import requests

 def GetToken(API_KEY,SECRET_KEY):
       url = 'https://aip.baidubce.com/oauth/2.0/token?' \
             'grant_type=client_credentials&' \
             'client_id='+API_KEY+'&' \
             'client_secret='+SECRET_KEY
       response=requests.get(url)
       print('access_token=',response.json()['access_token'])
       return response.json()['access_token']

调用API

 import requests
 import base64
 from get_access_token import GetToken
 import os

 """ 填入参数 """
 API_KEY = 'your API_KEY'
 SECRET_KEY = 'your SECRET_KEY'
 url = "https://aip.baidubce.com/rest/2.0/image-classify/v2/dish"

 def DishRecg(url,data,access_token,folder):
     header = {
         'Content-Type': 'application/x-www-form-urlencoded'
     }
     request_url = url + "?access_token=" + access_token
     response=requests.post(url=request_url,data=data,headers=header).json()
     result=response['result'][0]
     print(folder,
           '\t菜品为：',result['name'],
           '\t置信度：', result['probability'],
           '\t卡路里：', result['calorie'])

 def image_base64(imagepath):
     # 二进制方式打开图片文件
     f = open(imagepath, 'rb')
     img = base64.b64encode(f.read())
     return img

 if __name__ == "__main__":
     data={}
     access_token = GetToken(API_KEY, SECRET_KEY)
     dish_path = os.getcwd()
     dish_path = dish_path + '/dish'
     folderlist = os.listdir(dish_path)
     for folder in folderlist:
         imagepath=dish_path + '/' + folder
         image=image_base64(imagepath)
         data['image']=str(image,'utf-8')
         DishRecg(url,data,access_token,folder)