def __init__(self,
loop: asyncio.AbstractEventLoop,
config: 'Config',
blob_manager: 'BlobManager',
sd_hash: str,
download_directory: Optional[str] = None,
file_name: Optional[str] = None,
status: Optional[str] = ManagedDownloadSource.STATUS_STOPPED,
claim: Optional[StoredContentClaim] = None,
download_id: Optional[str] = None,
rowid: Optional[int] = None,
descriptor: Optional[StreamDescriptor] = None,
content_fee: Optional['Transaction'] = None,
analytics_manager: Optional['AnalyticsManager'] = None,
added_on: Optional[int] = None):
super().__init__(loop, config, blob_manager.storage, sd_hash,
file_name, download_directory, status, claim,
download_id, rowid, content_fee, analytics_manager,
added_on)
self.blob_manager = blob_manager
self.purchase_receipt = None
self.downloader = StreamDownloader(self.loop, self.config,
self.blob_manager, sd_hash,
descriptor)
self.analytics_manager = analytics_manager
self.reflector_progress = 0
self.uploading_to_reflector = False
self.file_output_task: typing.Optional[asyncio.Task] = None
self.delayed_stop_task: typing.Optional[asyncio.Task] = None
self.streaming_responses: typing.List[typing.Tuple[
Request, StreamResponse]] = []
self.fully_reflected = asyncio.Event(loop=self.loop)
self.streaming = asyncio.Event(loop=self.loop)
self._running = asyncio.Event(loop=self.loop)
def __init__(self, loop: asyncio.AbstractEventLoop, config: 'Config', blob_manager: 'BlobManager',
sd_hash: str, download_directory: typing.Optional[str] = None, file_name: typing.Optional[str] = None,
status: typing.Optional[str] = STATUS_STOPPED, claim: typing.Optional[StoredContentClaim] = None,
download_id: typing.Optional[str] = None, rowid: typing.Optional[int] = None,
descriptor: typing.Optional[StreamDescriptor] = None,
content_fee: typing.Optional['Transaction'] = None,
analytics_manager: typing.Optional['AnalyticsManager'] = None,
added_on: typing.Optional[int] = None):
self.loop = loop
self.config = config
self.blob_manager = blob_manager
self.sd_hash = sd_hash
self.download_directory = download_directory
self._file_name = file_name
self._status = status
self.stream_claim_info = claim
self.download_id = download_id or binascii.hexlify(generate_id()).decode()
self.rowid = rowid
self.content_fee = content_fee
self.purchase_receipt = None
self._added_on = added_on
self.downloader = StreamDownloader(self.loop, self.config, self.blob_manager, sd_hash, descriptor)
self.analytics_manager = analytics_manager
self.fully_reflected = asyncio.Event(loop=self.loop)
self.file_output_task: typing.Optional[asyncio.Task] = None
self.delayed_stop_task: typing.Optional[asyncio.Task] = None
self.streaming_responses: typing.List[typing.Tuple[Request, StreamResponse]] = []
self.streaming = asyncio.Event(loop=self.loop)
self._running = asyncio.Event(loop=self.loop)
self.saving = asyncio.Event(loop=self.loop)
self.finished_writing = asyncio.Event(loop=self.loop)
self.started_writing = asyncio.Event(loop=self.loop)
self.finished_write_attempt = asyncio.Event(loop=self.loop)
async def download_blobs(self, sd_hash):
downloader = StreamDownloader(asyncio.get_running_loop(), self.conf, self.blob_manager, sd_hash)
try:
await downloader.start(self.node, save_stream=False)
for blob_info in downloader.descriptor.blobs[:-1]:
await downloader.download_stream_blob(blob_info)
except ValueError:
return
except asyncio.CancelledError:
raise
except Exception:
log.error("Unexpected download error on background downloader")
finally:
downloader.stop()