Created
March 16, 2013 01:02
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blob python
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from azure.storage import * | |
import base64 | |
import os | |
def upload(blob_service, container_name, blob_name, file_path): | |
blob_service.create_container(container_name, None, None, False) | |
blob_service.put_blob(container_name, blob_name, '', 'BlockBlob') | |
chunk_size = 65536 | |
block_ids = [] | |
index = 0 | |
with open(file_path, 'rb') as f: | |
while True: | |
data = f.read(chunk_size) | |
if data: | |
length = len(data) | |
block_id = base64.b64encode(str(index)) | |
blob_service.put_block(container_name, blob_name, data, block_id) | |
block_ids.append(block_id) | |
index += 1 | |
else: | |
break | |
resp = blob_service.put_block_list(container_name, blob_name, block_ids) | |
def download(blob_service, container_name, blob_name, file_path): | |
props = blob_service.get_blob_properties(container_name, blob_name) | |
blob_size = int(props['content-length']) | |
chunk_size = 65536 | |
index = 0 | |
with open(file_path, 'wb') as f: | |
while index < blob_size: | |
range = 'bytes=' + str(index) + '-' + str(index + chunk_size - 1) | |
data = blob_service.get_blob(container_name, blob_name, x_ms_range=range) | |
length = len(data) | |
index += length | |
if length > 0: | |
f.write(data) | |
if length < chunk_size: | |
break | |
else: | |
break | |
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