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prevent the Download queue from back pressuring the event loop

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arabcoders 2025-06-24 17:56:12 +03:00
parent 388ed0bf9d
commit a584ffcfd6
1 changed files with 14 additions and 8 deletions
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22
app/library/DownloadQueue.py
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@ -720,17 +720,23 @@ class DownloadQueue(metaclass=Singleton):
if entry.started() or entry.is_cancelled():
continue
asyncio.create_task(
self._download_temp(_id, entry) if entry.is_live else self._download(_id, entry)
).add_done_callback(self._handle_task_exception)
if entry.is_live:
task = asyncio.create_task(self._download_live(_id, entry))
task.add_done_callback(self._handle_task_exception)
else:
await self.workers.acquire()
task = asyncio.create_task(self._download_file(_id, entry))
def _release_semaphore(t: asyncio.Task):
self.workers.release()
self._handle_task_exception(t)
task.add_done_callback(_release_semaphore)
await asyncio.sleep(0.5)
async def _download(self, _id: str, entry: Download) -> None:
async with self.workers:
await self._download_file(_id, entry)
async def _download_temp(self, _id: str, entry: Download) -> None:
async def _download_live(self, _id: str, entry: Download) -> None:
LOG.info(f"Creating temporary worker for entry '{entry.info.name()}'.")
try: