edit

dsp_permissions_scripts/doap/doap_model.py

@@ -1,10 +1,13 @@
 from __future__ import annotations
 
 import re
+from typing import Literal
 from typing import Self
 
 from pydantic import BaseModel
 from pydantic import ConfigDict
+from pydantic import Discriminator
+from pydantic import Field
 from pydantic import model_validator
 
 from dsp_permissions_scripts.models.errors import EmptyDoapTargetError
@@ -21,7 +24,7 @@ class Doap(BaseModel):
 
     model_config = ConfigDict(extra="forbid")
 
-    target: GroupDoapTarget | EntityDoapTarget
+    target: GroupDoapTarget | EntityDoapTarget = Field(discriminator=Discriminator("target"))
     scope: PermissionScope
     doap_iri: str
 
@@ -30,6 +33,7 @@ class GroupDoapTarget(BaseModel):
     """The group for which a DOAP is defined"""
 
     model_config = ConfigDict(extra="forbid")
+    target: Literal["group"] = Field(init=False, default="group")
 
     project_iri: str
     group: Group
@@ -39,6 +43,7 @@ class EntityDoapTarget(BaseModel):
     """The resource class and/or property for which a DOAP is defined"""
 
     model_config = ConfigDict(extra="forbid")
+    target: Literal["entity"] = Field(init=False, default="entity")
 
     project_iri: str
     resclass_iri: str | None = None