python 使用 requests 库爬取百度图片脚本

# coding = utf-8

"""
	爬取百度壁纸图片
"""


/*
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*/



import requests,re,time,warnings,os
warnings.filterwarnings("ignore")


def search(key_word):
    # 百度获取风景壁纸图片Url地址
    search_url = "https://image.baidu.com/search/index?tn=baiduimage&ipn=r&ct=201326592&cl=2&lm=-1&st=-1&fm=result&fr=&sf=1&fmq=1579231773363_R&pv=&ic=0&nc=1&z=0&hd=0&latest=0©right=0&se=1&showtab=0&fb=0&width=&height=&face=0&istype=2&ie=utf-8&sid=&word=" + key_word + ""

    response = requests.get(url=search_url, verify=False)

    return response.text


def find_picture_url(response):
    # 正则查找字符串结果中的图片Url地址返回列表
    regex = re.compile(r'"objURL":"(.*?)"')

    picture_urls = regex.findall(response)

    return picture_urls


# print(picture_urls)


def down_load_picture(picture_urls):
    # 图片下载文件夹地址
    file_ = "D:\\python脚本\\picture\\"
    # 判断文件夹路径是否存在不存在创建一个
    if not os.path.exists(file_):
        os.makedirs(file_)
    number = 1
    for picture_url in picture_urls:
        time.sleep(0.5)
        picture_name = file_ + str(int(time.time())) + ".jpg"
        print("\r", "正在下载第{0}张图片：{1}".format(str(number), picture_name), end="")
        try:
            r = requests.get(picture_url,verify=False,timeout=10)
            # 图片要二进制写入
            with open(picture_name, "wb") as f:
                f.write(r.content)
                number += 1
        except:
            print("\r", "下载失败：{0}".format(picture_name), end="")
            continue


# 主程序
print("【下载图片程序】说明：输入 exit 退出程序\n")
while True:
    input_word = input("\n请输入所要下载图片的关键字，如：风景壁纸...")
    print("\n")
    if input_word == "exit":
        print("\n关闭程序...")
        break
    else:
        search_result = search(key_word=input_word)
        picture_urls = find_picture_url(response=search_result)
        down_load_picture(picture_urls=picture_urls)
print("下载完毕！")