下载Bing图片（Python系列之——爬虫）

必应是一个搜素引擎，它有许多漂亮的图片，比如：

或者 

 现在我们要将它们爬取下来（记得下载requests库）：

import requests


BING_URL = "https://cn.bing.com"
API_URL = BING_URL + "/HPImageArchive.aspx?format=js&idx=0&n=8"


def get_image_list():
    reponse = requests.get(API_URL)
    json_data = reponse.json()
    return json_data["images"]


def get_images(image_list):
    images = []
    for image_data in image_list:
        image_url = BING_URL + image_data["url"]
        response = requests.get(image_url)
        image_content = response.content
        image = {
            "content": image_content,
            "date": image_data["enddate"]
        }
        images.append(image)
    return images


def save_images(images):
    image_files = []
    for image in images:
        image_path = "%s.jpg" % image["date"]
        with open(image_path, "wb") as f:
            f.write(image["content"])
        image_files.append(image_path)
    return image_files


def download_bing_images():
    image_list = get_image_list()
    images = get_images(image_list)
    return save_images(images)


print(download_bing_images())

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