python学习之爬取豌豆荚

'''
主页:
    图标地址、下载次数、大小、详情页地址

详情页:
    游戏名、好评率、评论数、小编点评、下载地址、简介、网友评论、1-5张截图链接地址、
https://www.wandoujia.com/wdjweb/api/category/more?catId=6001&subCatId=0&page=1&ctoken=FRsWKgWBqMBZLdxLaK4iem9B

https://www.wandoujia.com/wdjweb/api/category/more?catId=6001&subCatId=0&page=2&ctoken=FRsWKgWBqMBZLdxLaK4iem9B

https://www.wandoujia.com/wdjweb/api/category/more?catId=6001&subCatId=0&page=3&ctoken=FRsWKgWBqMBZLdxLaK4iem9B

32
'''
import requests
from bs4 import BeautifulSoup
# 1、发送请求
def get_page(url):
    response = requests.get(url)
    return response

# 2、开始解析
# 解析详情页
def parse_detail(text):
    soup = BeautifulSoup(text, 'lxml')
    # print(soup)

    # app名称
    name = soup.find(name="span", attrs={"class": "title"}).text
    # print(name)

    # 好评率
    love = soup.find(name='span', attrs={"class": "love"}).text
    # print(love)

    # 评论数
    commit_num = soup.find(name='a', attrs={"class": "comment-open"}).text
    # print(commit_num)

    # 小编点评
    commit_content = soup.find(name='div', attrs={"class": "con"}).text
    # print(commit_content)

    # app下载链接
    download_url = soup.find(name='a', attrs={"class": "normal-dl-btn"}).attrs['href']
    # print(download_url)

    print(
        f'''
        ============= tank ==============
        app名称:{name}
        好评率: {love}
        评论数: {commit_num}
        小编点评: {commit_content}
        app下载链接: {download_url}
        ============= end ==============
        '''
    )



# 解析主页
def parse_index(data):
    soup = BeautifulSoup(data, 'lxml')

    # 获取所有app的li标签
    app_list = soup.find_all(name='li', attrs={"class": "card"})
    for app in app_list:
        # print(app)
        # print('tank' * 1000)
        # print('tank *' * 1000)
        # print(app)
        # 图标地址
        # 获取第一个img标签中的data-original属性
        img = app.find(name='img').attrs['data-original']
        print(img)

        # 下载次数
        # 获取class为install-count的span标签中的文本
        down_num = app.find(name='span', attrs={"class": "install-count"}).text
        print(down_num)

        import re
        # 大小
        # 根据文本正则获取到文本中包含 数字 + MB（\d+代表数字）的span标签中的文本
        size = soup.find(name='span', text=re.compile("\d+MB")).text
        print(size)

        # 详情页地址
        # 获取class为detail-check-btn的a标签中的href属性
        # detail_url = soup.find(name='a', attrs={"class": "name"}).attrs['href']
        # print(detail_url)

        # 详情页地址
        detail_url = app.find(name='a').attrs['href']
        print(detail_url)

        # 3、往app详情页发送请求
        response = get_page(detail_url)

        # 4、解析app详情页
        parse_detail(response.text)


def main():
    for line in range(1, 33):
        url = f"https://www.wandoujia.com/wdjweb/api/category/more?catId=6001&subCatId=0&page={line}&ctoken=FRsWKgWBqMBZLdxLaK4iem9B"

        # 1、往app接口发送请求
        response = get_page(url)
        # print(response.text)
        print('*' * 1000)
        # 反序列化为字典
        data = response.json()

        # 获取接口中app标签数据
        app_li = data['data']['content']
        # print(app_li)
        # 2、解析app标签数据
        parse_index(app_li)


if __name__ == '__main__':
    main()