adding from_dict liveness

mati/resources/verifications.py

@@ -32,7 +32,9 @@ class Verification(Resource):
     def __post_init__(self):
         docs = []
         self.steps = [
-            Liveness(**step) for step in self.steps if step['id'] == 'liveness'
+            Liveness._from_dict(step)
+            for step in self.steps
+            if step['id'] == 'liveness'
         ]
         for doc in self.documents:
             doc['steps'] = [

mati/types/enums.py

@@ -195,6 +195,17 @@ class Liveness:
     data: Optional[LivenessMedia] = None
     error: Optional[Dict] = None
 
+    @classmethod
+    def _filter_excess_fields(cls, obj_dict: Dict) -> None:
+        excess = set(obj_dict.keys()) - {f.name for f in fields(cls)}
+        for f in excess:
+            del obj_dict[f]
+
+    @classmethod
+    def _from_dict(cls, obj_dict: Dict[str, Any]) -> 'Liveness':
+        cls._filter_excess_fields(obj_dict)
+        return cls(**obj_dict)
+
 
 @dataclass
 class DocumentScore:

mati/version.py

@@ -1 +1 @@
-__version__ = '2.0.5'
+__version__ = '2.0.6.dev0'