ADD file via upload

bv_maker.py

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+"""
+    说明：爬取b站视频的bv号，为之后获取弹幕做好准备
+"""
+import requests
+import re   #使用re解析
+BV_NUM = 300 # 定义需要的视频数量
+Search_Content = "2024巴黎奥运会"    #定义搜索内容
+header = {
+"user-agent":"Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/128.0.0.0 Safari/537.36 Edg/128.0.0.0",
+"referer":'https:"//search.bilibili.com/all?"'
+}
+def get_bv(num):
+    # 爬取300个BV号
+    bv_list = set([])
+    main_page_url_1 = f"https://search.bilibili.com/all?keyword={Search_Content}"
+    resp = requests.get(main_page_url_1, headers=header)
+    obj = re.compile(r'aid:.*?bvid:"(?P<bvs>.*?)",')    #获取视频的BVID用于获取弹幕
+    # print(resp.text)
+    its = obj.finditer(resp.text)
+    for it in its:
+        bv_list.add(it.group("bvs"))
+    # print(bv_list)
+
+    page = 2
+    while (True):
+        main_page_url = f"https://search.bilibili.com/all?keyword={Search_Content}&page={page}"
+        resp = requests.get(main_page_url, headers=header)
+        # print(resp.text)
+        its = obj.finditer(resp.text)
+        for it in its:
+            bv_list.add(it.group("bvs"))
+            if len(bv_list) >= num:
+                return bv_list
+        page += 1
+
+if __name__ == '__main__':
+    bv_list = get_bv(BV_NUM)
+    print(bv_list)