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# standard library
import os
import time
import shutil

# Load Python SDK
from azure import *
from azure.servicemanagement import *
from azure.storage import *

# Subscription details
subscription_id  = '1a61650c-ada5-4173-a8da-2a4ffcfab747'
certificate_path = 'mycert.pem'

# Initialize connection
sms = ServiceManagementService(subscription_id, certificate_path)


    

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cs_name, cs_label    = 'softEcon', 'softEcon'
cs_desc, cs_location = 'Cloud Service for this lecture.', 'West US'

sms.create_hosted_service(cs_name, cs_label, cs_desc, cs_location)


    

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sa_name, sa_label    = 'lecture2', 'lecture2'
sa_desc, sa_location = 'Storage Account for this lecture.', 'West US'

sms.create_storage_account(sa_name, sa_desc, sa_label, location=sa_location)


    

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# Get key
sa_key = None

while sa_key is None:

    try:
        
        sa_key = sms.get_storage_account_keys(sa_name).storage_service_keys.primary

    except WindowsAzureMissingResourceError:
        
        pass
    
    time.sleep(5)


    

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#Initialize connection to storate account
blob_service = BlobService(sa_name, sa_key)

# Specify container
cn_names = ['movies', 'pictures']

# Create containers
for cn_name in cn_names:
    
    # Public
    blob_service.create_container(cn_name, x_ms_blob_public_access='container')


    

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# Create directory structure
DOWNLOAD_DIRECTORY, UPLOAD_DIRECTORY = 'downloads/', 'uploads/'

os.mkdir(UPLOAD_DIRECTORY), os.mkdir(DOWNLOAD_DIRECTORY)

# Create some data
bb_names = ['mov1.avi', 'img1.jpg', 'img2.jpg']

for bb_name in bb_names:
    
    file_name = UPLOAD_DIRECTORY + bb_name
    
    with open(file_name, 'w') as file_:

        file_.write('This is some data.')


    

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# Select container.
def get_container(bb_name):
    ''' Get appropriate container for file.
    '''
    # Sort by file extension
    if 'avi' in bb_name:
        
        cn_name = 'movies'
    
    elif 'jpg' in bb_name:
        
        cn_name = 'pictures'
        
    else:
        
        raise AssertionError
    
    # Finishing
    return cn_name


    

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# Upload Blob into container
for bb_name in bb_names:
    
    # Select container
    cn_name = get_container(bb_name)
    
    # Upload file to container
    file_path = UPLOAD_DIRECTORY + bb_name
    
    blob_service.put_block_blob_from_path(cn_name, bb_name, file_path)

    # List content in container
    blobs = blob_service.list_blobs(cn_name)


    

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# Download Blob from container
for bb_name in bb_names:
    
    # Select container
    cn_name = get_container(bb_name)

    # Construct file name
    file_path = DOWNLOAD_DIRECTORY + bb_name
        
    # Download Blob
    blob_service.get_blob_to_path(cn_name, bb_name, file_path)


    

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# Delete Blobs
for bb_name in bb_names:

    cn_name = get_container(bb_name)
    
    blob_service.delete_blob(cn_name, bb_name)

# Deleting container
for cn_name in cn_names:
    
    blob_service.delete_container(cn_name)

# Delete storage account
sms.delete_storage_account(sa_name)

# Delete cloud service
sms.delete_hosted_service(cs_name)

# Delete directories
shutil.rmtree(UPLOAD_DIRECTORY), shutil.rmtree(DOWNLOAD_DIRECTORY)


    

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import urllib; from IPython.core.display import HTML
HTML(urllib.urlopen('http://bit.ly/1K5apRH').read())


    

    
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