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from ._poller import NoPolling as _NoPolling
[docs]class AsyncPollingMethod(object):
"""ABC class for polling method.
"""
[docs] def initialize(self, client, initial_response, deserialization_callback):
raise NotImplementedError("This method needs to be implemented")
[docs] async def run(self):
raise NotImplementedError("This method needs to be implemented")
[docs] def status(self):
raise NotImplementedError("This method needs to be implemented")
[docs] def finished(self):
raise NotImplementedError("This method needs to be implemented")
[docs] def resource(self):
raise NotImplementedError("This method needs to be implemented")
[docs]class AsyncNoPolling(_NoPolling):
"""An empty async poller that returns the deserialized initial response.
"""
[docs] async def run(self):
"""Empty run, no polling.
Just override initial run to add "async"
"""
[docs]async def async_poller(client, initial_response, deserialization_callback, polling_method):
"""Async Poller for long running operations.
:param client: A pipeline service client.
:type client: ~azure.core.PipelineClient
:param initial_response: The initial call response
:type initial_response: ~azure.core.pipeline.transport.AsyncHttpResponse
:param deserialization_callback: A callback that takes a Response and return a deserialized object.
If a subclass of Model is given, this passes "deserialize" as callback.
:type deserialization_callback: callable or msrest.serialization.Model
:param polling_method: The polling strategy to adopt
:type polling_method: ~azure.core.polling.PollingMethod
"""
# This implicit test avoids bringing in an explicit dependency on Model directly
try:
deserialization_callback = deserialization_callback.deserialize
except AttributeError:
pass
# Might raise a CloudError
polling_method.initialize(client, initial_response, deserialization_callback)
await polling_method.run()
return polling_method.resource()