How to Scrape All King of Glory Hero Images with Python Requests

Basic Environment Setup

Version: Python 3

System: Windows

Required module: requests

<code>pip install requests</code>

Full Code

<code># -*- coding: utf-8 -*-
"""
Created on Wed Dec 13 13:49:52 2017
@author: KillerTwo
"""
import requests
import os

hero_list_url = 'http://pvp.qq.com/web201605/js/herolist.json'
hero_skin_root_url = 'http://game.gtimg.cn/images/yxzj/img201606/skin/hero-info/'
skin_base_dir = 'C:\\Users\\lwt27\\Pictures\\image\\heroskin\\'

def get_ename(hero_json):
    """获取英雄名称对应英雄编号的一个字典,例如{小乔:106,...}"""
    cname_ename = {}
    for hero in hero_json:
        cname_ename[hero['cname']] = hero['ename']
    return cname_ename

def get_skin_name(hero_json):
    """获取英雄名称对应的皮肤的所有皮肤名称的字典,例如{'小乔':'恋之微风|万圣前夜|...'}"""
    cname_skin_name = {}
    for hero in hero_json:
        cname_skin_name[hero['cname']] = hero['skin_name']
    return cname_skin_name

def get_hero_skin_count(cname_skin_name):
    """获取每个英雄对应的皮肤的个数,例如{'小乔':5,...}"""
    cname_skin_count = {}
    for name, skins in cname_skin_name.items():
        cname_skin_count[name] = len(skins.split('|'))
    return cname_skin_count

def get_skin_name_url(skin_base_url, cname_skin_count, cname_ename):
    """返回英雄名称对应的所有皮肤的url地址列表的字典,例如{小乔:[url1,url2],...}"""
    cname_url_list = {}
    for cname, count in cname_skin_count.items():
        base_url = skin_base_url + str(cname_ename[cname]) + '/' + str(cname_ename[cname]) + '-bigskin-'
        skin_url_list = [base_url + str(num) + '.jpg' for num in range(1, count + 1)]
        cname_url_list[cname] = skin_url_list
    return cname_url_list

def get_cname_skin_name(cname_skin_name):
    """返回名称对应皮肤名称列表的字典"""
    cname_skin_name_dict = {}
    for cname, skin_name_str in cname_skin_name.items():
        skin_list = [name for name in skin_name_str.split('|')]
        cname_skin_name_dict[cname] = skin_list
    return cname_skin_name_dict

def mkdir(path):
    path = path.strip().rstrip('\\')
    if not os.path.exists(path):
        os.makedirs(path)
        print(path + ' 创建成功')
        return True
    else:
        print(path + ' 目录已存在')
        return False

def get_hero_skin(cname_url_list, cname_skin_name):
    """下载每个英雄的皮肤图片"""
    for cname, skin_url in cname_url_list.items():
        if mkdir(skin_base_dir + cname):
            os.chdir(skin_base_dir + cname)
            for i in range(len(skin_url)):
                file_name = cname_skin_name[cname][i] + '.jpg'
                r = requests.get(skin_url[i])
                with open(file_name, 'wb') as f:
                    f.write(r.content)

if __name__ == '__main__':
    hero_list_body = requests.get(hero_list_url)
    hero_list_json = hero_list_body.json()
    cname_ename = get_ename(hero_list_json)
    cname_skin_name_str = get_skin_name(hero_list_json)
    cname_skin_name = get_cname_skin_name(cname_skin_name_str)
    cname_skin_count = get_hero_skin_count(cname_skin_name_str)
    cname_skin_url_list = get_skin_name_url(hero_skin_root_url, cname_skin_count, cname_ename)
    get_hero_skin(cname_skin_url_list, cname_skin_name)
</code>

The script fetches the hero list JSON, extracts each hero’s ID and skin names, builds URLs for all skin images, creates a folder per hero, and downloads the images, resulting in a ready‑to‑use wallpaper collection.