halt downloads on YouTube bot detection (#1127)

* add configurable stop_on_bot setting to halt downloads on YouTube bot detection

* rework: BOT_MESSAGES list, drop config toggle, always stop on bot detection

* add rand_sleep

---------

Co-authored-by: Simon <simobilleter@gmail.com>

backend/download/src/yt_dlp_base.py

@@ -12,7 +12,7 @@ from os import path
 import yt_dlp
 from appsettings.src.config import AppConfig
 from common.src.env_settings import EnvironmentSettings
-from common.src.helper import deep_merge
+from common.src.helper import deep_merge, rand_sleep
 from common.src.ta_redis import RedisArchivist
 from django.conf import settings
 
@@ -20,6 +20,11 @@ from django.conf import settings
 class YtWrap:
     """wrap calls to yt"""
 
+    BOT_MESSAGES = [
+        "not a bot",
+    ]
+    BOT_ERROR_LOG = "YouTube bot detection, abort!"
+
     OBS_BASE = {
         "default_search": "ytsearch",
         "quiet": True,
@@ -85,6 +90,10 @@ class YtWrap:
                 print(f"{url}: failed to download with message {err}")
                 if "Temporary failure in name resolution" in str(err):
                     raise ConnectionError("lost the internet, abort!") from err
+                if any(m in str(err) for m in self.BOT_MESSAGES):
+                    print(self.BOT_ERROR_LOG)
+                    rand_sleep(self.config)
+                    raise ConnectionError(self.BOT_ERROR_LOG) from err
 
                 return False, str(err)
 
@@ -113,6 +122,10 @@ class YtWrap:
                 print(f"{url}: failed to get info from youtube: {err}")
                 if "Temporary failure in name resolution" in str(err):
                     raise ConnectionError("lost the internet, abort!") from err
+                if any(m in str(err) for m in self.BOT_MESSAGES):
+                    print(self.BOT_ERROR_LOG)
+                    rand_sleep(self.config)
+                    raise ConnectionError(self.BOT_ERROR_LOG) from err
 
                 return None, str(err)