index.py

import requests
import json
import os

down_path = 'images'
if not os.path.exists(down_path):
    os.makedirs(down_path)

url = 'http://www.quanquansy.com/data.json'

try:
    res = requests.get(url=url)
    res.raise_for_status()
except Exception as e:
    print(e)
else:
    # print(res.text)
    json_data = json.loads(res.text)
    for i in json_data:
        try:
            img_url =  i['url']
            img_suffix = img_url.split('.')[-1]
            img_name = i['name']
            img_id = i['id']
            img_res = requests.get(url = i['url'])
        except Exception as e:
            print(e)
        else:
            img = img_res.content
            with open(f'./images/{img_name}__{img_id}.{img_suffix}', 'wb') as f:
                f.write(img)
                print(f'saved! --- {img_name}')