List blobs in an Azure blob storage container

list_blobs_in_azure_blob_stor.py

from bs4 import BeautifulSoup # optional; be sure to install this & lxml if you're following this example
import requests
import sys

def create_rfc_1123_datetime():
	from wsgiref.handlers import format_date_time
	from datetime import datetime
	from time import mktime

	now = datetime.now()
	stamp = mktime(now.timetuple())

	return format_date_time(stamp)

def create_sig(secret, to_sign):
	import hmac
	import hashlib
	import base64

	# https://docs.microsoft.com/en-us/rest/api/storageservices/authorize-with-shared-key#encoding-the-signature
	dig = hmac.new(base64.b64decode(secret), msg=to_sign, digestmod=hashlib.sha256).digest()
	return base64.b64encode(dig)

# let's assume we have an Azure storage account named "xxx" with a container named "foo" inside it
account = "xxx" # https://xxx.blob.core.windows.net/
secret = "..." # Storage Accounts > xxx > Access Keys > value of 'Key' field from either key1 or key2
now_rfc_1123 = create_rfc_1123_datetime()
x_ms_version = "2017-07-29"
params = ["comp:list", "restype:container"]
container = "foo"
to_sign = "GET\n\n\n\n\n\n\n\n\n\n\n\nx-ms-date:{}\nx-ms-version:{}\n/{}/{}\n{}".format(
		now_rfc_1123,
		x_ms_version,
		account,
		container,
		"\n".join(params)
	)
url = "https://{}.blob.core.windows.net/{}?{}".format(
		account,
		container, 
		"&".join([p.replace(":", "=") for p in params])
	)

try:
	headers = {
		"Authorization": "SharedKey {}:{}".format(account, create_sig(secret, to_sign)),
		"x-ms-version": x_ms_version,
		"x-ms-date": now_rfc_1123
	}

	r = requests.get(url, headers=headers)

	print r.status_code

	if r.status_code is 200:
		soup = BeautifulSoup(r.text, "xml")

		print soup.prettify()
except Exception, e:
	print "Line {}: {}".format(sys.exc_info()[-1].tb_lineno, e)