Add automatic yt-dlp update check

main.py

@@ -13,6 +13,25 @@
 from flowlauncher import FlowLauncher
 from yt_dlp import YoutubeDL
 
+from datetime import datetime, timedelta
+CHECK_INTERVAL_DAYS = 3
+LAST_DOWNLOAD_FILE = os.path.join(parent_folder_path, "last_download.txt")
+
+def download_yt_dlp():
+    os.system("yt-dlp --update")
+
+
+def check_and_download_yt_dlp():
+    if os.path.exists(LAST_DOWNLOAD_FILE):
+        with open(LAST_DOWNLOAD_FILE, "r") as file:
+            last_download_date = datetime.strptime(file.read().strip(), "%Y-%m-%d")
+        if datetime.now() - last_download_date < timedelta(days=CHECK_INTERVAL_DAYS):
+            return
+
+    download_yt_dlp()
+    with open(LAST_DOWNLOAD_FILE, "w") as file:
+        file.write(datetime.now().strftime("%Y-%m-%d"))
+
 
 # Custom YoutubeDL class to exception handling
 class CustomYoutubeDL(YoutubeDL):
@@ -130,4 +149,5 @@ def download(self, url, format_id):
 
 
 if __name__ == "__main__":
+    check_and_download_yt_dlp()
     AnyVideo()