Async sandbox

storage_async.py

async def mymethod():
  account_name = self.get_resource_name('pyarmstorage18')

  # Normal call, async is just HTTP I/O
  result_check = await self.storage_client.storage_accounts.check_name_availability(
      account_name
  )
  self.assertTrue(result_check.name_available)

  params_create = models.StorageAccountCreateParameters(
      sku=models.Sku(models.SkuName.standard_lrs),
      kind=models.Kind.storage,
      location=location,
  )
  # "Create" returns a sub-class of asyncio.Future
  # Create is NOT an async method. This is a regular method that returns a scheduled Future
  poller = await self.storage_client.storage_accounts.create(
      resource_group.name,
      account_name,
      params_create,
  )
  # We get the result
  storage_account = poller.result()
  
  # Example of non-direct await usage of the poller
  poller = self.storage_client.storage_accounts.create(
      resource_group.name,
      account_name,
      params_create,
  )
  # Example of interface. This is pure asyncio, and nothing is msrestazure specific
  poller.cancel()   # Stop polling
  poller.done()     # Is this done?
  cb = lambda x: pass
  poller.add_done_callback(cb) # Execute this callback when it's done
  poller.remove_done_callback(cb)
  poller.cancelled() # Was is cancelled?
  poller.exception() # What was the exception?

  # We list using async for
  async for account in self.storage_client.list_by_resource_group(resource_group.name):
    print(account.name)

  # Normal wait with no result
  await self.storage_client.storage_accounts.delete(
      resource_group.name,
      account_name,
  )