blob python

gistfile1.txt

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