sdk working prototype

Author: hallvictoria

azure_functions_worker/bindings/datumdef.py

@@ -93,6 +93,8 @@ def from_typed_data(cls, td: protos.TypedData):
             val = td.collection_string
         elif tt == 'collection_sint64':
             val = td.collection_sint64
+        elif tt == 'model_binding_data':
+            val = td.model_binding_data
         elif tt is None:
             return None
         else:

azure_functions_worker/bindings/generic.py

@@ -42,6 +42,8 @@ def decode(cls, data: datumdef.Datum, *, trigger_metadata) -> typing.Any:
             result = data.value
         elif data_type == 'json':
             result = data.value
+        elif data_type == 'model_binding_data':
+            result = data.value
         else:
             raise ValueError(
                 f'unexpected type of data received for the "generic" binding '

azure_functions_worker/loader.py

@@ -58,10 +58,18 @@ def uninstall() -> None:
 def build_binding_protos(indexed_function) -> Dict:
     binding_protos = {}
     for binding in indexed_function.get_bindings():
-        binding_protos[binding.name] = protos.BindingInfo(
-            type=binding.type,
-            data_type=binding.data_type,
-            direction=binding.direction)
+        if binding.type == "blob":
+            binding_protos[binding.name] = protos.BindingInfo(
+                type=binding.type,
+                data_type=binding.data_type,
+                direction=binding.direction,
+                properties={"SupportsDeferredBinding": "true"})
+        else:
+            binding_protos[binding.name] = protos.BindingInfo(
+                type=binding.type,
+                data_type=binding.data_type,
+                direction=binding.direction,
+                properties={"SupportsDeferredBinding": "false"})
 
     return binding_protos