Retry transient HLS network failures

provider_downloader.py

@@ -420,6 +420,20 @@ def fetch_bytes_with_retries(url, headers=None, timeout=30, retries=None, retry_
             )
             if delay:
                 time.sleep(delay)
+        except (urllib.error.URLError, TimeoutError, ConnectionError) as exc:
+            if attempt >= attempts:
+                raise
+            delay = base_delay * (2 ** attempt)
+            if max_delay:
+                delay = min(delay, max_delay)
+            print(
+                f"{retry_label} had a temporary network failure; retrying in {delay:.1f}s "
+                f"({attempt + 1}/{attempts}): {exc}",
+                file=sys.stderr,
+                flush=True,
+            )
+            if delay:
+                time.sleep(delay)
 
 
 def segment_download_delay_seconds():