This sample requires you to have the following installed on your machine:
- Setup Dapr : Follow instructions to download and install the Dapr CLI and initialize Dapr.
- Install Azure Functions Core Tool
- Install Python on your machine
- This sample uses Python 3.8. Some nuance or issue is expected if using other version
- Set up Python Environment in Visual Studio Code
- Install .NET Core SDK, used for install Dapr Extension for non .NET language
Install Dapr extension
func extensions install -p Microsoft.Azure.WebJobs.Extensions.Dapr -v 0.15.0-preview01
Run function host with Dapr.
Windows
dapr run --app-id functionapp --app-port 3001 --dapr-http-port 3501 --resources-path .\components -- func host start
== APP == [2023-09-17T04:00:00.021Z] Worker process started and initialized. == APP == [2023-09-17T04:00:08.035Z] Executing 'Functions.dbt' (Reason='(null)', Id=d7ec3eda-13eb-4079-a66a-7fece15016d5) == APP == [2023-09-17T04:00:08.088Z] Executed 'Functions.dbt' (Failed, Id=d7ec3eda-13eb-4079-a66a-7fece15016d5, Duration=68ms) == APP == [2023-09-17T04:00:08.088Z] System.Private.CoreLib: Exception while executing function: Functions.dbt. System.Private.CoreLib: Result: Failure == APP == Exception: AttributeError: 'NoneType' object has no attribute 'type' == APP == Stack: File "C:\Program Files\Microsoft\Azure Functions Core Tools\workers\python\3.11\WINDOWS\X64\azure_functions_worker\dispatcher.py", line 456, in _handle__invocation_request == APP == args[pb.name] = bindings.from_incoming_proto( == APP == ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ == APP == File "C:\Program Files\Microsoft\Azure Functions Core Tools\workers\python\3.11\WINDOWS\X64\azure_functions_worker\bindings\meta.py", line 90, in from_incoming_proto == APP == return binding.decode(datum, trigger_metadata=metadata) == APP == ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ == APP == File "C:\Program Files\Microsoft\Azure Functions Core Tools\workers\python\3.11\WINDOWS\X64\azure_functions_worker\bindings\generic.py", line 37, in decode == APP == data_type = data.type == APP == ^^^^^^^^^ == APP == . == APP == [2023-09-17T04:00:08.105Z] Function invocation failed. == APP == [2023-09-17T04:00:08.105Z] System.Private.CoreLib: Exception while executing function: Functions.dbt. System.Private.CoreLib: Result: Failure == APP == Exception: AttributeError: 'NoneType' object has no attribute 'type' == APP == Stack: File "C:\Program Files\Microsoft\Azure Functions Core Tools\workers\python\3.11\WINDOWS\X64\azure_functions_worker\dispatcher.py", line 456, in _handle__invocation_request == APP == args[pb.name] = bindings.from_incoming_proto( == APP == ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ == APP == File "C:\Program Files\Microsoft\Azure Functions Core Tools\workers\python\3.11\WINDOWS\X64\azure_functions_worker\bindings\meta.py", line 90, in from_incoming_proto == APP == return binding.decode(datum, trigger_metadata=metadata) == APP == ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ == APP == File "C:\Program Files\Microsoft\Azure Functions Core Tools\workers\python\3.11\WINDOWS\X64\azure_functions_worker\bindings\generic.py", line 37, in decode == APP == data_type = data.type == APP == ^^^^^^^^^ == APP == . == APP == [2023-09-17T04:00:18.002Z] Executing 'Functions.dbt' (Reason='(null)', Id=00b1a9d2-9fcc-40e7-8bb7-98fe0837a458) == APP == [2023-09-17T04:00:18.004Z] Executed 'Functions.dbt' (Failed, Id=00b1a9d2-9fcc-40e7-8bb7-98fe0837a458, Duration=2ms) == APP == [2023-09-17T04:00:18.004Z] System.Private.CoreLib: Exception while executing function: Functions.dbt. System.Private.CoreLib: Result: Failure == APP == Exception: AttributeError: 'NoneType' object has no attribute 'type' == APP == Stack: File "C:\Program Files\Microsoft\Azure Functions Core Tools\workers\python\3.11\WINDOWS\X64\azure_functions_worker\dispatcher.py", line 456, in _handle__invocation_request == APP == args[pb.name] = bindings.from_incoming_proto( == APP == ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ == APP == File "C:\Program Files\Microsoft\Azure Functions Core Tools\workers\python\3.11\WINDOWS\X64\azure_functions_worker\bindings\meta.py", line 90, in from_incoming_proto == APP == return binding.decode(datum, trigger_metadata=metadata) == APP == ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ == APP == File "C:\Program Files\Microsoft\Azure Functions Core Tools\workers\python\3.11\WINDOWS\X64\azure_functions_worker\bindings\generic.py", line 37, in decode == APP == data_type = data.type == APP == ^^^^^^^^^ == APP == . == APP == [2023-09-17T04:00:18.005Z] Function invocation failed. == APP == [2023-09-17T04:00:18.006Z] System.Private.CoreLib: Exception while executing function: Functions.dbt. System.Private.CoreLib: Result: Failure == APP == Exception: AttributeError: 'NoneType' object has no attribute 'type' == APP == Stack: File "C:\Program Files\Microsoft\Azure Functions Core Tools\workers\python\3.11\WINDOWS\X64\azure_functions_worker\dispatcher.py", line 456, in _handle__invocation_request == APP == args[pb.name] = bindings.from_incoming_proto( == APP == ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ == APP == File "C:\Program Files\Microsoft\Azure Functions Core Tools\workers\python\3.11\WINDOWS\X64\azure_functions_worker\bindings\meta.py", line 90, in from_incoming_proto == APP == return binding.decode(datum, trigger_metadata=metadata) == APP == ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ == APP == File "C:\Program Files\Microsoft\Azure Functions Core Tools\workers\python\3.11\WINDOWS\X64\azure_functions_worker\bindings\generic.py", line 37, in decode == APP == data_type = data.type == APP == ^^^^^^^^^ == APP == .