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fix empty tail blobs in stream from being saved

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Kay Kurokawa 2017-09-14 12:46:30 -04:00 committed by Jack Robison
parent 6f71a5003c
commit e046af57fa
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1 changed files with 10 additions and 2 deletions
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10
lbrynet/blob/creator.py
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@ -27,13 +27,21 @@ class BlobFileCreator(object):
def close(self):
self.length = self.len_so_far
self.blob_hash = self._hashsum.hexdigest()
if self.blob_hash and self._is_open:
if self.blob_hash and self._is_open and self.length > 0:
# do not save 0 length files (empty tail blob in streams)
# or if its been closed already
self.buffer.seek(0)
out_path = os.path.join(self.blob_dir, self.blob_hash)
producer = FileBodyProducer(self.buffer)
yield producer.startProducing(open(out_path, 'wb'))
self._is_open = False
if self.length > 0:
defer.returnValue(self.blob_hash)
else:
# 0 length files (empty tail blob in streams )
# must return None as their blob_hash for
# it to be saved properly by EncryptedFileMetadataManagers
defer.returnValue(None)
def write(self, data):
if not self._is_open: