storage_client.container = 'pithos'
obj = raw_input('Pick object to stream: ')
destination = raw_input('Stream it where? ')
obj_size = int(storage_client.get_object_info(obj)['content-length'])
BLOCK_SIZE = int(storage_client.get_container_info()['x-container-block-size'])
CHUNK_SIZE = 4 * BLOCK_SIZE
def stream(i, output):
"""Stream the contents of buf[i] to output"""
output.write(bufs[i])
from kamaki.clients import SilentEvent
with open(destination, 'w+') as output:
event = None
bufs = ['', '']
for i in range(1 + (obj_size / CHUNK_SIZE)):
buf_index = i % 2
start, end = CHUNK_SIZE * i, min(CHUNK_SIZE * (i + 1), obj_size)
bufs[buf_index] = storage_client.download_to_string(obj,
range_str='%s-%s' %
(start, end))
if event and not event.is_alive():
event.join()
event = SilentEvent(stream, buf_index, output)
event.start()
