使用多线程优化任务1加速获取弹幕

task1_2.py

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+
+from concurrent.futures import ThreadPoolExecutor
+import os
+import threading
+from getdm import get_videos_url,get_danmu
+
+def write_dm_to_file(video_id, file, lock):
+    danmu = get_danmu(video_id)
+    with lock:
+        for item in danmu:
+            file.write(f"{item}\n")  # 每个弹幕单独一行
+        print(f"视频 {video_id} 的弹幕已写入")
+
+def writedmtxt(file_path, res):
+    with open(file_path, 'w', encoding='utf-8') as file:
+        lock = threading.Lock()
+        with ThreadPoolExecutor(max_workers=10) as executor:
+            futures = [executor.submit(write_dm_to_file, video_id, file, lock) for video_id in res]
+            for future in futures:
+                future.result()  # 获取函数结果，这里可以用来处理异常
+
+if __name__ == '__main__':
+    keyword = '2024巴黎奥运会'
+    res = get_videos_url(keyword, 10)
+    res_dir = os.path.join(os.getcwd(), 'res')
+    if not os.path.exists(res_dir):
+        os.makedirs(res_dir)
+    file_name = "total300_3.txt"
+    file_path = os.path.join(res_dir, file_name)
+    writedmtxt(file_path=file_path, res=res)