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.
  # --------------------------------------------------------------------------
  from typing import Any, AsyncIterable, Callable, Dict, Generic, Optional, TypeVar
  import warnings
  
  from azure.core.async_paging import AsyncItemPaged, AsyncList
  from azure.core.exceptions import ClientAuthenticationError, HttpResponseError, ResourceExistsError, ResourceNotFoundError, map_error
  from azure.core.pipeline import PipelineResponse
  from azure.core.pipeline.transport import AsyncHttpResponse, HttpRequest
  from azure.mgmt.core.exceptions import ARMErrorFormat
  
  from ... import models as _models
  
  T = TypeVar('T')
  ClsType = Optional[Callable[[PipelineResponse[HttpRequest, AsyncHttpResponse], T, Dict[str, Any]], Any]]
  
  class PolicyAssignmentsOperations:
      """PolicyAssignmentsOperations 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.resource.policy.v2016_12_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 delete(
          self,
          scope: str,
          policy_assignment_name: str,
          **kwargs
      ) -> Optional["_models.PolicyAssignment"]:
          """Deletes a policy assignment.
  
          :param scope: The scope of the policy assignment.
          :type scope: str
          :param policy_assignment_name: The name of the policy assignment to delete.
          :type policy_assignment_name: str
          :keyword callable cls: A custom type or function that will be passed the direct response
          :return: PolicyAssignment, or the result of cls(response)
          :rtype: ~azure.mgmt.resource.policy.v2016_12_01.models.PolicyAssignment or None
          :raises: ~azure.core.exceptions.HttpResponseError
          """
          cls = kwargs.pop('cls', None)  # type: ClsType[Optional["_models.PolicyAssignment"]]
          error_map = {
              401: ClientAuthenticationError, 404: ResourceNotFoundError, 409: ResourceExistsError
          }
          error_map.update(kwargs.pop('error_map', {}))
          api_version = "2016-12-01"
          accept = "application/json, text/json"
  
          # Construct URL
          url = self.delete.metadata['url']  # type: ignore
          path_format_arguments = {
              'scope': self._serialize.url("scope", scope, 'str', skip_quote=True),
              'policyAssignmentName': self._serialize.url("policy_assignment_name", policy_assignment_name, 'str'),
          }
          url = self._client.format_url(url, **path_format_arguments)
  
          # Construct parameters
          query_parameters = {}  # type: Dict[str, Any]
          query_parameters['api-version'] = self._serialize.query("api_version", api_version, 'str')
  
          # Construct headers
          header_parameters = {}  # type: Dict[str, Any]
          header_parameters['Accept'] = self._serialize.header("accept", accept, 'str')
  
          request = self._client.delete(url, query_parameters, header_parameters)
          pipeline_response = await self._client._pipeline.run(request, stream=False, **kwargs)
          response = pipeline_response.http_response
  
          if response.status_code not in [200, 204]:
              map_error(status_code=response.status_code, response=response, error_map=error_map)
              raise HttpResponseError(response=response, error_format=ARMErrorFormat)
  
          deserialized = None
          if response.status_code == 200:
              deserialized = self._deserialize('PolicyAssignment', pipeline_response)
  
          if cls:
              return cls(pipeline_response, deserialized, {})
  
          return deserialized
      delete.metadata = {'url': '/{scope}/providers/Microsoft.Authorization/policyAssignments/{policyAssignmentName}'}  # type: ignore
  
      async def create(
          self,
          scope: str,
          policy_assignment_name: str,
          parameters: "_models.PolicyAssignment",
          **kwargs
      ) -> "_models.PolicyAssignment":
          """Creates a policy assignment.
  
          Policy assignments are inherited by child resources. For example, when you apply a policy to a
          resource group that policy is assigned to all resources in the group.
  
          :param scope: The scope of the policy assignment.
          :type scope: str
          :param policy_assignment_name: The name of the policy assignment.
          :type policy_assignment_name: str
          :param parameters: Parameters for the policy assignment.
          :type parameters: ~azure.mgmt.resource.policy.v2016_12_01.models.PolicyAssignment
          :keyword callable cls: A custom type or function that will be passed the direct response
          :return: PolicyAssignment, or the result of cls(response)
          :rtype: ~azure.mgmt.resource.policy.v2016_12_01.models.PolicyAssignment
          :raises: ~azure.core.exceptions.HttpResponseError
          """
          cls = kwargs.pop('cls', None)  # type: ClsType["_models.PolicyAssignment"]
          error_map = {
              401: ClientAuthenticationError, 404: ResourceNotFoundError, 409: ResourceExistsError
          }
          error_map.update(kwargs.pop('error_map', {}))
          api_version = "2016-12-01"
          content_type = kwargs.pop("content_type", "application/json")
          accept = "application/json, text/json"
  
          # Construct URL
          url = self.create.metadata['url']  # type: ignore
          path_format_arguments = {
              'scope': self._serialize.url("scope", scope, 'str', skip_quote=True),
              'policyAssignmentName': self._serialize.url("policy_assignment_name", policy_assignment_name, 'str'),
          }
          url = self._client.format_url(url, **path_format_arguments)
  
          # Construct parameters
          query_parameters = {}  # type: Dict[str, Any]
          query_parameters['api-version'] = self._serialize.query("api_version", api_version, 'str')
  
          # Construct headers
          header_parameters = {}  # type: Dict[str, Any]
          header_parameters['Content-Type'] = self._serialize.header("content_type", content_type, 'str')
          header_parameters['Accept'] = self._serialize.header("accept", accept, 'str')
  
          body_content_kwargs = {}  # type: Dict[str, Any]
          body_content = self._serialize.body(parameters, 'PolicyAssignment')
          body_content_kwargs['content'] = body_content
          request = self._client.put(url, query_parameters, header_parameters, **body_content_kwargs)
          pipeline_response = await self._client._pipeline.run(request, stream=False, **kwargs)
          response = pipeline_response.http_response
  
          if response.status_code not in [201]:
              map_error(status_code=response.status_code, response=response, error_map=error_map)
              raise HttpResponseError(response=response, error_format=ARMErrorFormat)
  
          deserialized = self._deserialize('PolicyAssignment', pipeline_response)
  
          if cls:
              return cls(pipeline_response, deserialized, {})
  
          return deserialized
      create.metadata = {'url': '/{scope}/providers/Microsoft.Authorization/policyAssignments/{policyAssignmentName}'}  # type: ignore
  
      async def get(
          self,
          scope: str,
          policy_assignment_name: str,
          **kwargs
      ) -> "_models.PolicyAssignment":
          """Gets a policy assignment.
  
          :param scope: The scope of the policy assignment.
          :type scope: str
          :param policy_assignment_name: The name of the policy assignment to get.
          :type policy_assignment_name: str
          :keyword callable cls: A custom type or function that will be passed the direct response
          :return: PolicyAssignment, or the result of cls(response)
          :rtype: ~azure.mgmt.resource.policy.v2016_12_01.models.PolicyAssignment
          :raises: ~azure.core.exceptions.HttpResponseError
          """
          cls = kwargs.pop('cls', None)  # type: ClsType["_models.PolicyAssignment"]
          error_map = {
              401: ClientAuthenticationError, 404: ResourceNotFoundError, 409: ResourceExistsError
          }
          error_map.update(kwargs.pop('error_map', {}))
          api_version = "2016-12-01"
          accept = "application/json, text/json"
  
          # Construct URL
          url = self.get.metadata['url']  # type: ignore
          path_format_arguments = {
              'scope': self._serialize.url("scope", scope, 'str', skip_quote=True),
              'policyAssignmentName': self._serialize.url("policy_assignment_name", policy_assignment_name, 'str'),
          }
          url = self._client.format_url(url, **path_format_arguments)
  
          # Construct parameters
          query_parameters = {}  # type: Dict[str, Any]
          query_parameters['api-version'] = self._serialize.query("api_version", api_version, 'str')
  
          # Construct headers
          header_parameters = {}  # type: Dict[str, Any]
          header_parameters['Accept'] = self._serialize.header("accept", accept, 'str')
  
          request = self._client.get(url, query_parameters, header_parameters)
          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('PolicyAssignment', pipeline_response)
  
          if cls:
              return cls(pipeline_response, deserialized, {})
  
          return deserialized
      get.metadata = {'url': '/{scope}/providers/Microsoft.Authorization/policyAssignments/{policyAssignmentName}'}  # type: ignore
  
      def list_for_resource_group(
          self,
          resource_group_name: str,
          filter: Optional[str] = None,
          **kwargs
      ) -> AsyncIterable["_models.PolicyAssignmentListResult"]:
          """Gets policy assignments for the resource group.
  
          :param resource_group_name: The name of the resource group that contains policy assignments.
          :type resource_group_name: str
          :param filter: The filter to apply on the operation.
          :type filter: str
          :keyword callable cls: A custom type or function that will be passed the direct response
          :return: An iterator like instance of either PolicyAssignmentListResult or the result of cls(response)
          :rtype: ~azure.core.async_paging.AsyncItemPaged[~azure.mgmt.resource.policy.v2016_12_01.models.PolicyAssignmentListResult]
          :raises: ~azure.core.exceptions.HttpResponseError
          """
          cls = kwargs.pop('cls', None)  # type: ClsType["_models.PolicyAssignmentListResult"]
          error_map = {
              401: ClientAuthenticationError, 404: ResourceNotFoundError, 409: ResourceExistsError
          }
          error_map.update(kwargs.pop('error_map', {}))
          api_version = "2016-12-01"
          accept = "application/json, text/json"
  
          def prepare_request(next_link=None):
              # Construct headers
              header_parameters = {}  # type: Dict[str, Any]
              header_parameters['Accept'] = self._serialize.header("accept", accept, 'str')
  
              if not next_link:
                  # Construct URL
                  url = self.list_for_resource_group.metadata['url']  # type: ignore
                  path_format_arguments = {
                      'resourceGroupName': self._serialize.url("resource_group_name", resource_group_name, 'str', max_length=90, min_length=1, pattern=r'^[-\w\._\(\)]+$'),
                      'subscriptionId': self._serialize.url("self._config.subscription_id", self._config.subscription_id, 'str'),
                  }
                  url = self._client.format_url(url, **path_format_arguments)
                  # Construct parameters
                  query_parameters = {}  # type: Dict[str, Any]
                  if filter is not None:
                      query_parameters['$filter'] = self._serialize.query("filter", filter, 'str', skip_quote=True)
                  query_parameters['api-version'] = self._serialize.query("api_version", api_version, 'str')
  
                  request = self._client.get(url, query_parameters, header_parameters)
              else:
                  url = next_link
                  query_parameters = {}  # type: Dict[str, Any]
                  request = self._client.get(url, query_parameters, header_parameters)
              return request
  
          async def extract_data(pipeline_response):
              deserialized = self._deserialize('PolicyAssignmentListResult', pipeline_response)
              list_of_elem = deserialized.value
              if cls:
                  list_of_elem = cls(list_of_elem)
              return deserialized.next_link or None, AsyncList(list_of_elem)
  
          async def get_next(next_link=None):
              request = prepare_request(next_link)
  
              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)
  
              return pipeline_response
  
          return AsyncItemPaged(
              get_next, extract_data
          )
      list_for_resource_group.metadata = {'url': '/subscriptions/{subscriptionId}/resourceGroups/{resourceGroupName}/providers/Microsoft.Authorization/policyAssignments'}  # type: ignore
  
      def list_for_resource(
          self,
          resource_group_name: str,
          resource_provider_namespace: str,
          parent_resource_path: str,
          resource_type: str,
          resource_name: str,
          filter: Optional[str] = None,
          **kwargs
      ) -> AsyncIterable["_models.PolicyAssignmentListResult"]:
          """Gets policy assignments for a resource.
  
          :param resource_group_name: The name of the resource group containing the resource. The name is
           case insensitive.
          :type resource_group_name: str
          :param resource_provider_namespace: The namespace of the resource provider.
          :type resource_provider_namespace: str
          :param parent_resource_path: The parent resource path.
          :type parent_resource_path: str
          :param resource_type: The resource type.
          :type resource_type: str
          :param resource_name: The name of the resource with policy assignments.
          :type resource_name: str
          :param filter: The filter to apply on the operation.
          :type filter: str
          :keyword callable cls: A custom type or function that will be passed the direct response
          :return: An iterator like instance of either PolicyAssignmentListResult or the result of cls(response)
          :rtype: ~azure.core.async_paging.AsyncItemPaged[~azure.mgmt.resource.policy.v2016_12_01.models.PolicyAssignmentListResult]
          :raises: ~azure.core.exceptions.HttpResponseError
          """
          cls = kwargs.pop('cls', None)  # type: ClsType["_models.PolicyAssignmentListResult"]
          error_map = {
              401: ClientAuthenticationError, 404: ResourceNotFoundError, 409: ResourceExistsError
          }
          error_map.update(kwargs.pop('error_map', {}))
          api_version = "2016-12-01"
          accept = "application/json, text/json"
  
          def prepare_request(next_link=None):
              # Construct headers
              header_parameters = {}  # type: Dict[str, Any]
              header_parameters['Accept'] = self._serialize.header("accept", accept, 'str')
  
              if not next_link:
                  # Construct URL
                  url = self.list_for_resource.metadata['url']  # type: ignore
                  path_format_arguments = {
                      'resourceGroupName': self._serialize.url("resource_group_name", resource_group_name, 'str', max_length=90, min_length=1, pattern=r'^[-\w\._\(\)]+$'),
                      'resourceProviderNamespace': self._serialize.url("resource_provider_namespace", resource_provider_namespace, 'str'),
                      'parentResourcePath': self._serialize.url("parent_resource_path", parent_resource_path, 'str', skip_quote=True),
                      'resourceType': self._serialize.url("resource_type", resource_type, 'str', skip_quote=True),
                      'resourceName': self._serialize.url("resource_name", resource_name, 'str'),
                      'subscriptionId': self._serialize.url("self._config.subscription_id", self._config.subscription_id, 'str'),
                  }
                  url = self._client.format_url(url, **path_format_arguments)
                  # Construct parameters
                  query_parameters = {}  # type: Dict[str, Any]
                  if filter is not None:
                      query_parameters['$filter'] = self._serialize.query("filter", filter, 'str')
                  query_parameters['api-version'] = self._serialize.query("api_version", api_version, 'str')
  
                  request = self._client.get(url, query_parameters, header_parameters)
              else:
                  url = next_link
                  query_parameters = {}  # type: Dict[str, Any]
                  request = self._client.get(url, query_parameters, header_parameters)
              return request
  
          async def extract_data(pipeline_response):
              deserialized = self._deserialize('PolicyAssignmentListResult', pipeline_response)
              list_of_elem = deserialized.value
              if cls:
                  list_of_elem = cls(list_of_elem)
              return deserialized.next_link or None, AsyncList(list_of_elem)
  
          async def get_next(next_link=None):
              request = prepare_request(next_link)
  
              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)
  
              return pipeline_response
  
          return AsyncItemPaged(
              get_next, extract_data
          )
      list_for_resource.metadata = {'url': '/subscriptions/{subscriptionId}/resourcegroups/{resourceGroupName}/providers/{resourceProviderNamespace}/{parentResourcePath}/{resourceType}/{resourceName}/providers/Microsoft.Authorization/policyAssignments'}  # type: ignore
  
      def list(
          self,
          filter: Optional[str] = None,
          **kwargs
      ) -> AsyncIterable["_models.PolicyAssignmentListResult"]:
          """Gets all the policy assignments for a subscription.
  
          :param filter: The filter to apply on the operation.
          :type filter: str
          :keyword callable cls: A custom type or function that will be passed the direct response
          :return: An iterator like instance of either PolicyAssignmentListResult or the result of cls(response)
          :rtype: ~azure.core.async_paging.AsyncItemPaged[~azure.mgmt.resource.policy.v2016_12_01.models.PolicyAssignmentListResult]
          :raises: ~azure.core.exceptions.HttpResponseError
          """
          cls = kwargs.pop('cls', None)  # type: ClsType["_models.PolicyAssignmentListResult"]
          error_map = {
              401: ClientAuthenticationError, 404: ResourceNotFoundError, 409: ResourceExistsError
          }
          error_map.update(kwargs.pop('error_map', {}))
          api_version = "2016-12-01"
          accept = "application/json, text/json"
  
          def prepare_request(next_link=None):
              # Construct headers
              header_parameters = {}  # type: Dict[str, Any]
              header_parameters['Accept'] = self._serialize.header("accept", accept, 'str')
  
              if not next_link:
                  # Construct URL
                  url = self.list.metadata['url']  # type: ignore
                  path_format_arguments = {
                      'subscriptionId': self._serialize.url("self._config.subscription_id", self._config.subscription_id, 'str'),
                  }
                  url = self._client.format_url(url, **path_format_arguments)
                  # Construct parameters
                  query_parameters = {}  # type: Dict[str, Any]
                  if filter is not None:
                      query_parameters['$filter'] = self._serialize.query("filter", filter, 'str')
                  query_parameters['api-version'] = self._serialize.query("api_version", api_version, 'str')
  
                  request = self._client.get(url, query_parameters, header_parameters)
              else:
                  url = next_link
                  query_parameters = {}  # type: Dict[str, Any]
                  request = self._client.get(url, query_parameters, header_parameters)
              return request
  
          async def extract_data(pipeline_response):
              deserialized = self._deserialize('PolicyAssignmentListResult', pipeline_response)
              list_of_elem = deserialized.value
              if cls:
                  list_of_elem = cls(list_of_elem)
              return deserialized.next_link or None, AsyncList(list_of_elem)
  
          async def get_next(next_link=None):
              request = prepare_request(next_link)
  
              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)
  
              return pipeline_response
  
          return AsyncItemPaged(
              get_next, extract_data
          )
      list.metadata = {'url': '/subscriptions/{subscriptionId}/providers/Microsoft.Authorization/policyAssignments'}  # type: ignore
  
      async def delete_by_id(
          self,
          policy_assignment_id: str,
          **kwargs
      ) -> "_models.PolicyAssignment":
          """Deletes a policy assignment by ID.
  
          When providing a scope for the assignment, use '/subscriptions/{subscription-id}/' for
          subscriptions, '/subscriptions/{subscription-id}/resourceGroups/{resource-group-name}' for
          resource groups, and '/subscriptions/{subscription-id}/resourceGroups/{resource-group-
          name}/providers/{resource-provider-namespace}/{resource-type}/{resource-name}' for resources.
  
          :param policy_assignment_id: The ID of the policy assignment to delete. Use the format
           '/{scope}/providers/Microsoft.Authorization/policyAssignments/{policy-assignment-name}'.
          :type policy_assignment_id: str
          :keyword callable cls: A custom type or function that will be passed the direct response
          :return: PolicyAssignment, or the result of cls(response)
          :rtype: ~azure.mgmt.resource.policy.v2016_12_01.models.PolicyAssignment
          :raises: ~azure.core.exceptions.HttpResponseError
          """
          cls = kwargs.pop('cls', None)  # type: ClsType["_models.PolicyAssignment"]
          error_map = {
              401: ClientAuthenticationError, 404: ResourceNotFoundError, 409: ResourceExistsError
          }
          error_map.update(kwargs.pop('error_map', {}))
          api_version = "2016-12-01"
          accept = "application/json, text/json"
  
          # Construct URL
          url = self.delete_by_id.metadata['url']  # type: ignore
          path_format_arguments = {
              'policyAssignmentId': self._serialize.url("policy_assignment_id", policy_assignment_id, 'str', skip_quote=True),
          }
          url = self._client.format_url(url, **path_format_arguments)
  
          # Construct parameters
          query_parameters = {}  # type: Dict[str, Any]
          query_parameters['api-version'] = self._serialize.query("api_version", api_version, 'str')
  
          # Construct headers
          header_parameters = {}  # type: Dict[str, Any]
          header_parameters['Accept'] = self._serialize.header("accept", accept, 'str')
  
          request = self._client.delete(url, query_parameters, header_parameters)
          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('PolicyAssignment', pipeline_response)
  
          if cls:
              return cls(pipeline_response, deserialized, {})
  
          return deserialized
      delete_by_id.metadata = {'url': '/{policyAssignmentId}'}  # type: ignore
  
      async def create_by_id(
          self,
          policy_assignment_id: str,
          parameters: "_models.PolicyAssignment",
          **kwargs
      ) -> "_models.PolicyAssignment":
          """Creates a policy assignment by ID.
  
          Policy assignments are inherited by child resources. For example, when you apply a policy to a
          resource group that policy is assigned to all resources in the group. When providing a scope
          for the assignment, use '/subscriptions/{subscription-id}/' for subscriptions,
          '/subscriptions/{subscription-id}/resourceGroups/{resource-group-name}' for resource groups,
          and '/subscriptions/{subscription-id}/resourceGroups/{resource-group-name}/providers/{resource-
          provider-namespace}/{resource-type}/{resource-name}' for resources.
  
          :param policy_assignment_id: The ID of the policy assignment to create. Use the format
           '/{scope}/providers/Microsoft.Authorization/policyAssignments/{policy-assignment-name}'.
          :type policy_assignment_id: str
          :param parameters: Parameters for policy assignment.
          :type parameters: ~azure.mgmt.resource.policy.v2016_12_01.models.PolicyAssignment
          :keyword callable cls: A custom type or function that will be passed the direct response
          :return: PolicyAssignment, or the result of cls(response)
          :rtype: ~azure.mgmt.resource.policy.v2016_12_01.models.PolicyAssignment
          :raises: ~azure.core.exceptions.HttpResponseError
          """
          cls = kwargs.pop('cls', None)  # type: ClsType["_models.PolicyAssignment"]
          error_map = {
              401: ClientAuthenticationError, 404: ResourceNotFoundError, 409: ResourceExistsError
          }
          error_map.update(kwargs.pop('error_map', {}))
          api_version = "2016-12-01"
          content_type = kwargs.pop("content_type", "application/json")
          accept = "application/json, text/json"
  
          # Construct URL
          url = self.create_by_id.metadata['url']  # type: ignore
          path_format_arguments = {
              'policyAssignmentId': self._serialize.url("policy_assignment_id", policy_assignment_id, 'str', skip_quote=True),
          }
          url = self._client.format_url(url, **path_format_arguments)
  
          # Construct parameters
          query_parameters = {}  # type: Dict[str, Any]
          query_parameters['api-version'] = self._serialize.query("api_version", api_version, 'str')
  
          # Construct headers
          header_parameters = {}  # type: Dict[str, Any]
          header_parameters['Content-Type'] = self._serialize.header("content_type", content_type, 'str')
          header_parameters['Accept'] = self._serialize.header("accept", accept, 'str')
  
          body_content_kwargs = {}  # type: Dict[str, Any]
          body_content = self._serialize.body(parameters, 'PolicyAssignment')
          body_content_kwargs['content'] = body_content
          request = self._client.put(url, query_parameters, header_parameters, **body_content_kwargs)
          pipeline_response = await self._client._pipeline.run(request, stream=False, **kwargs)
          response = pipeline_response.http_response
  
          if response.status_code not in [201]:
              map_error(status_code=response.status_code, response=response, error_map=error_map)
              raise HttpResponseError(response=response, error_format=ARMErrorFormat)
  
          deserialized = self._deserialize('PolicyAssignment', pipeline_response)
  
          if cls:
              return cls(pipeline_response, deserialized, {})
  
          return deserialized
      create_by_id.metadata = {'url': '/{policyAssignmentId}'}  # type: ignore
  
      async def get_by_id(
          self,
          policy_assignment_id: str,
          **kwargs
      ) -> "_models.PolicyAssignment":
          """Gets a policy assignment by ID.
  
          When providing a scope for the assignment, use '/subscriptions/{subscription-id}/' for
          subscriptions, '/subscriptions/{subscription-id}/resourceGroups/{resource-group-name}' for
          resource groups, and '/subscriptions/{subscription-id}/resourceGroups/{resource-group-
          name}/providers/{resource-provider-namespace}/{resource-type}/{resource-name}' for resources.
  
          :param policy_assignment_id: The ID of the policy assignment to get. Use the format
           '/{scope}/providers/Microsoft.Authorization/policyAssignments/{policy-assignment-name}'.
          :type policy_assignment_id: str
          :keyword callable cls: A custom type or function that will be passed the direct response
          :return: PolicyAssignment, or the result of cls(response)
          :rtype: ~azure.mgmt.resource.policy.v2016_12_01.models.PolicyAssignment
          :raises: ~azure.core.exceptions.HttpResponseError
          """
          cls = kwargs.pop('cls', None)  # type: ClsType["_models.PolicyAssignment"]
          error_map = {
              401: ClientAuthenticationError, 404: ResourceNotFoundError, 409: ResourceExistsError
          }
          error_map.update(kwargs.pop('error_map', {}))
          api_version = "2016-12-01"
          accept = "application/json, text/json"
  
          # Construct URL
          url = self.get_by_id.metadata['url']  # type: ignore
          path_format_arguments = {
              'policyAssignmentId': self._serialize.url("policy_assignment_id", policy_assignment_id, 'str', skip_quote=True),
          }
          url = self._client.format_url(url, **path_format_arguments)
  
          # Construct parameters
          query_parameters = {}  # type: Dict[str, Any]
          query_parameters['api-version'] = self._serialize.query("api_version", api_version, 'str')
  
          # Construct headers
          header_parameters = {}  # type: Dict[str, Any]
          header_parameters['Accept'] = self._serialize.header("accept", accept, 'str')
  
          request = self._client.get(url, query_parameters, header_parameters)
          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('PolicyAssignment', pipeline_response)
  
          if cls:
              return cls(pipeline_response, deserialized, {})
  
          return deserialized
      get_by_id.metadata = {'url': '/{policyAssignmentId}'}  # type: ignore
  