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check lock acquired to prevent races

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This commit is contained in:
Victor Shyba 2019-02-08 04:39:28 -03:00
parent 8b25acff6e
commit 9ecec52412
1 changed files with 1 additions and 1 deletions
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2
lbrynet/blob_exchange/client.py
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@ -137,7 +137,7 @@ class BlobExchangeClientProtocol(asyncio.Protocol):
self.transport = None
async def download_blob(self, blob: 'BlobFile') -> typing.Tuple[int, typing.Optional[asyncio.Transport]]:
if blob.get_is_verified() or blob.file_exists:
if blob.get_is_verified() or blob.file_exists or blob.blob_write_lock.locked():
return 0, self.transport
try:
self.blob, self.writer, self._blob_bytes_received = blob, blob.open_for_writing(), 0