fix(core): management one_of

Author: Laure-di

scaleway-core/scaleway_core/utils/resolve_one_of.py

@@ -1,41 +1,48 @@
 from dataclasses import dataclass
-from typing import Any, Dict, Generic, List, Optional, TypeVar
+from typing import Any, Dict, Generic, List, Optional, TypeVar, Callable
+
+from scaleway_core.profile import ProfileDefaults
 
 T = TypeVar("T")
 
 
 @dataclass
 class OneOfPossibility(Generic[T]):
     param: str
-
     value: Optional[T]
-
     default: Optional[T] = None
+    marshal_func: Optional[Callable[[T, ProfileDefaults], Dict[str, Any]]] = None
 
 
 def resolve_one_of(
-    possibilities: List[OneOfPossibility[Any]], is_required: bool = False
-) -> Dict[str, Any]:
+        possibilities: List[OneOfPossibility[Any]], is_required: bool = False
+) -> dict[str, Any | None] | str | dict[Any, Any]:
     """
     Resolves the ideal parameter and value amongst an optional list.
+    Uses marshal_func if provided.
     """
 
-    # Get the first non-empty parameter
+    # Try to resolve using non-None value
     for possibility in possibilities:
         if possibility.value is not None:
+            if possibility.marshal_func is not None:
+                return {possibility.param : possibility.marshal_func(possibility.value, possibility.default)}
             return {possibility.param: possibility.value}
 
-    # Get the first non-empty default
+    # Try to resolve using non-None default
     for possibility in possibilities:
         if possibility.default is not None:
+            if possibility.marshal_func is not None:
+                # When no actual value, call with None as value
+                return {possibility.param : possibility.marshal_func(None, possibility.default)}
             return {possibility.param: possibility.default}
 
-    # If required, raise an error
+    # If required but unresolved, raise an error
     if is_required:
         possibilities_keys = " or ".join(
             [possibility.param for possibility in possibilities]
         )
         raise ValueError(f"one of ${possibilities_keys} must be present")
 
-    # Else, return an empty dict
+    # Else, return empty dict
     return {}