feat: add schema drop_unknown_fields

ckanext/transmute/logic/action/get.py

@@ -79,7 +79,11 @@ def mutate_fields(data: dict[str, Any], definition: SchemaParser, root: str):
     """
     schema = definition.types[root]
 
+    known_fields: set[str] = set()
+
     for field_name, field in sorted(schema["fields"].items(), key=_weighten_fields):
+        known_fields.add(field_name)
+
         if field.remove:
             data.pop(field_name, None)
             continue
@@ -126,8 +130,14 @@ def mutate_fields(data: dict[str, Any], definition: SchemaParser, root: str):
             )
 
         if field.map:
+            known_fields.add(field.map)
             data[field.map] = data.pop(field.name, None)
 
+    if schema.get("drop_unknown_fields"):
+        for name in list(data):
+            if name not in known_fields:
+                del data[name]
+
 
 def _default_from(data, field: SchemaField):
     default_from: Union[list[str], str] = field.get_default_from()

setup.py

@@ -1,16 +1,3 @@
-# -*- coding: utf-8 -*-
 from setuptools import setup
 
-setup(
-    # If you are changing from the default layout of your extension, you may
-    # have to change the message extractors, you can read more about babel
-    # message extraction at
-    # http://babel.pocoo.org/docs/messages/#extraction-method-mapping-and-configuration
-    message_extractors={
-        "ckanext": [
-            ("**.py", "python", None),
-            ("**.js", "javascript", None),
-            ("**/templates/**.html", "ckan", None),
-        ],
-    }
-)
+setup()