text: # coding=utf-8
  # --------------------------------------------------------------------------
  # Copyright (c) Microsoft Corporation. All rights reserved.
  # Licensed under the MIT License. See License.txt in the project root for license information.
  # Code generated by Microsoft (R) AutoRest Code Generator.
  # Changes may cause incorrect behavior and will be lost if the code is regenerated.
  # --------------------------------------------------------------------------
  import functools
  from typing import Any, Callable, Dict, Generic, Optional, TypeVar, Union
  import warnings
  
  from azure.core.exceptions import ClientAuthenticationError, HttpResponseError, ResourceExistsError, ResourceNotFoundError, map_error
  from azure.core.pipeline import PipelineResponse
  from azure.core.pipeline.transport import AsyncHttpResponse
  from azure.core.polling import AsyncLROPoller, AsyncNoPolling, AsyncPollingMethod
  from azure.core.rest import HttpRequest
  from azure.core.tracing.decorator_async import distributed_trace_async
  from azure.mgmt.core.exceptions import ARMErrorFormat
  from azure.mgmt.core.polling.async_arm_polling import AsyncARMPolling
  
  from ... import models as _models
  from ..._vendor import _convert_request
  from ...operations._virtual_machine_scale_set_rolling_upgrades_operations import build_cancel_request_initial, build_get_latest_request, build_start_os_upgrade_request_initial
  T = TypeVar('T')
  ClsType = Optional[Callable[[PipelineResponse[HttpRequest, AsyncHttpResponse], T, Dict[str, Any]], Any]]
  
  class VirtualMachineScaleSetRollingUpgradesOperations:
      """VirtualMachineScaleSetRollingUpgradesOperations async operations.
  
      You should not instantiate this class directly. Instead, you should create a Client instance that
      instantiates it for you and attaches it as an attribute.
  
      :ivar models: Alias to model classes used in this operation group.
      :type models: ~azure.mgmt.compute.v2018_04_01.models
      :param client: Client for service requests.
      :param config: Configuration of service client.
      :param serializer: An object model serializer.
      :param deserializer: An object model deserializer.
      """
  
      models = _models
  
      def __init__(self, client, config, serializer, deserializer) -> None:
          self._client = client
          self._serialize = serializer
          self._deserialize = deserializer
          self._config = config
  
      async def _cancel_initial(
          self,
          resource_group_name: str,
          vm_scale_set_name: str,
          **kwargs: Any
      ) -> None:
          cls = kwargs.pop('cls', None)  # type: ClsType[None]
          error_map = {
              401: ClientAuthenticationError, 404: ResourceNotFoundError, 409: ResourceExistsError
          }
          error_map.update(kwargs.pop('error_map', {}))
  
          
          request = build_cancel_request_initial(
              resource_group_name=resource_group_name,
              vm_scale_set_name=vm_scale_set_name,
              subscription_id=self._config.subscription_id,
              template_url=self._cancel_initial.metadata['url'],
          )
          request = _convert_request(request)
          request.url = self._client.format_url(request.url)
  
          pipeline_response = await self._client._pipeline.run(request, stream=False, **kwargs)
          response = pipeline_response.http_response
  
          if response.status_code not in [200, 202]:
              map_error(status_code=response.status_code, response=response, error_map=error_map)
              raise HttpResponseError(response=response, error_format=ARMErrorFormat)
  
          if cls:
              return cls(pipeline_response, None, {})
  
      _cancel_initial.metadata = {'url': '/subscriptions/{subscriptionId}/resourceGroups/{resourceGroupName}/providers/Microsoft.Compute/virtualMachineScaleSets/{vmScaleSetName}/rollingUpgrades/cancel'}  # type: ignore
  
  
      @distributed_trace_async
      async def begin_cancel(
          self,
          resource_group_name: str,
          vm_scale_set_name: str,
          **kwargs: Any
      ) -> AsyncLROPoller[None]:
          """Cancels the current virtual machine scale set rolling upgrade.
  
          :param resource_group_name: The name of the resource group.
          :type resource_group_name: str
          :param vm_scale_set_name: The name of the VM scale set.
          :type vm_scale_set_name: str
          :keyword callable cls: A custom type or function that will be passed the direct response
          :keyword str continuation_token: A continuation token to restart a poller from a saved state.
          :keyword polling: By default, your polling method will be AsyncARMPolling. Pass in False for
           this operation to not poll, or pass in your own initialized polling object for a personal
           polling strategy.
          :paramtype polling: bool or ~azure.core.polling.AsyncPollingMethod
          :keyword int polling_interval: Default waiting time between two polls for LRO operations if no
           Retry-After header is present.
          :return: An instance of AsyncLROPoller that returns either None or the result of cls(response)
          :rtype: ~azure.core.polling.AsyncLROPoller[None]
          :raises: ~azure.core.exceptions.HttpResponseError
          """
          polling = kwargs.pop('polling', True)  # type: Union[bool, azure.core.polling.AsyncPollingMethod]
          cls = kwargs.pop('cls', None)  # type: ClsType[None]
          lro_delay = kwargs.pop(
              'polling_interval',
              self._config.polling_interval
          )
          cont_token = kwargs.pop('continuation_token', None)  # type: Optional[str]
          if cont_token is None:
              raw_result = await self._cancel_initial(
                  resource_group_name=resource_group_name,
                  vm_scale_set_name=vm_scale_set_name,
                  cls=lambda x,y,z: x,
                  **kwargs
              )
          kwargs.pop('error_map', None)
  
          def get_long_running_output(pipeline_response):
              if cls:
                  return cls(pipeline_response, None, {})
  
  
          if polling is True: polling_method = AsyncARMPolling(lro_delay, **kwargs)
          elif polling is False: polling_method = AsyncNoPolling()
          else: polling_method = polling
          if cont_token:
              return AsyncLROPoller.from_continuation_token(
                  polling_method=polling_method,
                  continuation_token=cont_token,
                  client=self._client,
                  deserialization_callback=get_long_running_output
              )
          else:
              return AsyncLROPoller(self._client, raw_result, get_long_running_output, polling_method)
  
      begin_cancel.metadata = {'url': '/subscriptions/{subscriptionId}/resourceGroups/{resourceGroupName}/providers/Microsoft.Compute/virtualMachineScaleSets/{vmScaleSetName}/rollingUpgrades/cancel'}  # type: ignore
  
      async def _start_os_upgrade_initial(
          self,
          resource_group_name: str,
          vm_scale_set_name: str,
          **kwargs: Any
      ) -> None:
          cls = kwargs.pop('cls', None)  # type: ClsType[None]
          error_map = {
              401: ClientAuthenticationError, 404: ResourceNotFoundError, 409: ResourceExistsError
          }
          error_map.update(kwargs.pop('error_map', {}))
  
          
          request = build_start_os_upgrade_request_initial(
              resource_group_name=resource_group_name,
              vm_scale_set_name=vm_scale_set_name,
              subscription_id=self._config.subscription_id,
              template_url=self._start_os_upgrade_initial.metadata['url'],
          )
          request = _convert_request(request)
          request.url = self._client.format_url(request.url)
  
          pipeline_response = await self._client._pipeline.run(request, stream=False, **kwargs)
          response = pipeline_response.http_response
  
          if response.status_code not in [200, 202]:
              map_error(status_code=response.status_code, response=response, error_map=error_map)
              raise HttpResponseError(response=response, error_format=ARMErrorFormat)
  
          if cls:
              return cls(pipeline_response, None, {})
  
      _start_os_upgrade_initial.metadata = {'url': '/subscriptions/{subscriptionId}/resourceGroups/{resourceGroupName}/providers/Microsoft.Compute/virtualMachineScaleSets/{vmScaleSetName}/osRollingUpgrade'}  # type: ignore
  
  
      @distributed_trace_async
      async def begin_start_os_upgrade(
          self,
          resource_group_name: str,
          vm_scale_set_name: str,
          **kwargs: Any
      ) -> AsyncLROPoller[None]:
          """Starts a rolling upgrade to move all virtual machine scale set instances to the latest
          available Platform Image OS version. Instances which are already running the latest available
          OS version are not affected.
  
          :param resource_group_name: The name of the resource group.
          :type resource_group_name: str
          :param vm_scale_set_name: The name of the VM scale set.
          :type vm_scale_set_name: str
          :keyword callable cls: A custom type or function that will be passed the direct response
          :keyword str continuation_token: A continuation token to restart a poller from a saved state.
          :keyword polling: By default, your polling method will be AsyncARMPolling. Pass in False for
           this operation to not poll, or pass in your own initialized polling object for a personal
           polling strategy.
          :paramtype polling: bool or ~azure.core.polling.AsyncPollingMethod
          :keyword int polling_interval: Default waiting time between two polls for LRO operations if no
           Retry-After header is present.
          :return: An instance of AsyncLROPoller that returns either None or the result of cls(response)
          :rtype: ~azure.core.polling.AsyncLROPoller[None]
          :raises: ~azure.core.exceptions.HttpResponseError
          """
          polling = kwargs.pop('polling', True)  # type: Union[bool, azure.core.polling.AsyncPollingMethod]
          cls = kwargs.pop('cls', None)  # type: ClsType[None]
          lro_delay = kwargs.pop(
              'polling_interval',
              self._config.polling_interval
          )
          cont_token = kwargs.pop('continuation_token', None)  # type: Optional[str]
          if cont_token is None:
              raw_result = await self._start_os_upgrade_initial(
                  resource_group_name=resource_group_name,
                  vm_scale_set_name=vm_scale_set_name,
                  cls=lambda x,y,z: x,
                  **kwargs
              )
          kwargs.pop('error_map', None)
  
          def get_long_running_output(pipeline_response):
              if cls:
                  return cls(pipeline_response, None, {})
  
  
          if polling is True: polling_method = AsyncARMPolling(lro_delay, **kwargs)
          elif polling is False: polling_method = AsyncNoPolling()
          else: polling_method = polling
          if cont_token:
              return AsyncLROPoller.from_continuation_token(
                  polling_method=polling_method,
                  continuation_token=cont_token,
                  client=self._client,
                  deserialization_callback=get_long_running_output
              )
          else:
              return AsyncLROPoller(self._client, raw_result, get_long_running_output, polling_method)
  
      begin_start_os_upgrade.metadata = {'url': '/subscriptions/{subscriptionId}/resourceGroups/{resourceGroupName}/providers/Microsoft.Compute/virtualMachineScaleSets/{vmScaleSetName}/osRollingUpgrade'}  # type: ignore
  
      @distributed_trace_async
      async def get_latest(
          self,
          resource_group_name: str,
          vm_scale_set_name: str,
          **kwargs: Any
      ) -> "_models.RollingUpgradeStatusInfo":
          """Gets the status of the latest virtual machine scale set rolling upgrade.
  
          :param resource_group_name: The name of the resource group.
          :type resource_group_name: str
          :param vm_scale_set_name: The name of the VM scale set.
          :type vm_scale_set_name: str
          :keyword callable cls: A custom type or function that will be passed the direct response
          :return: RollingUpgradeStatusInfo, or the result of cls(response)
          :rtype: ~azure.mgmt.compute.v2018_04_01.models.RollingUpgradeStatusInfo
          :raises: ~azure.core.exceptions.HttpResponseError
          """
          cls = kwargs.pop('cls', None)  # type: ClsType["_models.RollingUpgradeStatusInfo"]
          error_map = {
              401: ClientAuthenticationError, 404: ResourceNotFoundError, 409: ResourceExistsError
          }
          error_map.update(kwargs.pop('error_map', {}))
  
          
          request = build_get_latest_request(
              resource_group_name=resource_group_name,
              vm_scale_set_name=vm_scale_set_name,
              subscription_id=self._config.subscription_id,
              template_url=self.get_latest.metadata['url'],
          )
          request = _convert_request(request)
          request.url = self._client.format_url(request.url)
  
          pipeline_response = await self._client._pipeline.run(request, stream=False, **kwargs)
          response = pipeline_response.http_response
  
          if response.status_code not in [200]:
              map_error(status_code=response.status_code, response=response, error_map=error_map)
              raise HttpResponseError(response=response, error_format=ARMErrorFormat)
  
          deserialized = self._deserialize('RollingUpgradeStatusInfo', pipeline_response)
  
          if cls:
              return cls(pipeline_response, deserialized, {})
  
          return deserialized
  
      get_latest.metadata = {'url': '/subscriptions/{subscriptionId}/resourceGroups/{resourceGroupName}/providers/Microsoft.Compute/virtualMachineScaleSets/{vmScaleSetName}/rollingUpgrades/latest'}  # type: ignore
  
  