Update app.py

app.py

@@ -29,31 +29,50 @@ import yt_dlp
 
 import yt_dlp
 
+import yt_dlp
+import time
+import random
+
 def download_video(url):
     """
-    Downloads a video from a URL using yt-dlp.
+    Downloads a video from a URL using yt-dlp while emulating human behavior.
+    
     Args:
-        url: The URL of the video to download.
+        url (str): The URL of the video to download.
+
     Returns:
-        The path to the downloaded file, or None if an error occurred.
+        str: The path to the downloaded file, or None if an error occurred.
     """
-    print("Downloading...")
+    print("Simulating human-like download...")
+
+    # Introduce a randomized delay to mimic human behavior
+    delay = random.uniform(2, 5)  # Random delay between 2 to 5 seconds
+    print(f"Waiting for {delay:.2f} seconds before starting the download...")
+    time.sleep(delay)
 
     try:
         ydl_opts = {
-            'format': 'bestvideo[ext=mp4]+bestaudio[ext=m4a]/best[ext=mp4]/best',  # Prioritize mp4
+            'format': 'bestvideo[ext=mp4]+bestaudio[ext=m4a]/best[ext=mp4]/best',
             'merge_output_format': 'mp4',  # Ensure final output is mp4
             'outtmpl': '%(title)s.%(ext)s',  # Use title for filename
             'noprogress': True,  # Remove progress bar output
-            'quiet': False,  # Show some logs for debugging
-            
-            # Use cookies for authentication
-            'cookies': 'cookies.txt',  # Path to exported cookies file
-            # OR Use cookies from browser (uncomment one of these based on your browser)
-            # 'cookies-from-browser': 'chrome',  # Chrome
-            # 'cookies-from-browser': 'firefox',  # Firefox
+            'quiet': False,  # Show logs
+            'nocheckcertificate': True,  # Bypass SSL verification issues
+            'sleep_interval': random.uniform(1, 3),  # Random sleep between requests
+
+            # **Emulating a real browser**
+            'user_agent': 'Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/120.0.0.0 Safari/537.36',
+            'headers': {
+                'Accept-Language': 'en-US,en;q=0.9',
+                'Accept-Encoding': 'gzip, deflate, br',
+                'Referer': 'https://www.youtube.com/',
+                'Connection': 'keep-alive'
+            },
+
+            # **Using browser cookies for authentication**
+            'cookies-from-browser': 'chrome',  # Change to 'firefox' if needed
         }
-        
+
         with yt_dlp.YoutubeDL(ydl_opts) as ydl:
             info_dict = ydl.extract_info(url, download=True)
             filename = ydl.prepare_filename(info_dict)  # Get the actual filename
@@ -70,6 +89,8 @@ def download_video(url):
 
 
 
+
+
 def validate_youtube(url):
     """
     Validates a YouTube URL, checks if the video exists, and returns whether its length exceeds 10 minutes.