爬取许嵩的所有微博并存入MongoDB

    from urllib.parse import urlencode
import requests
from pyquery import PyQuery as pq    
from pymongo import MongoClient
import time


base_url = 'https://m.weibo.cn/api/container/getIndex?'

headers = {    
    'Host': 'm.weibo.cn',    
    'Referer': 'https://m.weibo.cn/u/1251000504',    
    'User-Agent': 'Mozilla/5.0 (Windows NT 6.1; WOW64) AppleWebKit/537.36 (KHTML, like Gecko) 
    Chrome/67.0.3396.87 Safari/537.36',
}

# 这里需要提前创建好‘weibo’数据库
# 并在‘weibo’数据库中创建一个‘weibo’集合
# 我是用mongodb可视化工具Robo 3t手动创建的
client = MongoClient()
db = client['weibo']
collection = db['weibo']
   
def get_page(page):
    # 这个params参数可以直接从浏览器中复制过来
    # 记得添加一个page参数
    params = {        
    'uid': '1251000504',        
    'luicode' : '10000011',        
    'lfid': '100103type=1&q=许嵩',        
    'featurecode': '20000320',        
    'type': 'uid',        
    'value': '1251000504',        
    'containerid': '1076031251000504',        
    'page': page
    }
    # 动态构造URL
    url = base_url + urlencode(params)    
    try:
        response = requests.get(url, headers=headers)        
        if response.status_code == 200:            
            return response.json()    
    except requests.ConnectionError as e:
        print('Error', e.args)
    time.sleep(5) # 休息一下，防止封ip
    
def parse_page(json):    
    if json:
        items = json.get('data').get('cards')        
        for index, item in enumerate(items):            
            if page == 1 and index == 1:                
                continue
            else:
                item = item.get('mblog')
                weibo = {}
                weibo['id'] = item.get('id')
                weibo['text'] = pq(item.get('text')).text()
                weibo['attitudes'] = item.get('attitudes_count')
                weibo['comments'] = item.get('comments_count')
                weibo['reposts'] = item.get('reposts_count')                
                yield weibo

                                
if __name__ == '__main__':  
    # 这个41是我算出来的
    # 一共395条微博，每页10条，从1开始计数  
    for page in range(1, 41):
        json = get_page(page)
        results = parse_page(json)        
   ‍‍     for result in results:            
            # print(result)
            # 将结果插入数据库
            collection.insert(result)        
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