oneOf

Author: Julian

jsonschema/_validators.py

@@ -487,6 +487,34 @@ def anyOf_draft6(validator, anyOf, instance, schema):
         )
 
 
+def oneOf_draft6(validator, oneOf, instance, schema):
+    subschemas = enumerate(oneOf)
+    all_errors = []
+    for index, subschema in subschemas:
+        if subschema is True:  # FIXME: Messages
+            subschema = {}
+        elif subschema is False:
+            subschema = {"not": {}}
+        errs = list(validator.descend(instance, subschema, schema_path=index))
+        if not errs:
+            first_valid = subschema
+            break
+        all_errors.extend(errs)
+    else:
+        yield ValidationError(
+            "%r is not valid under any of the given schemas" % (instance,),
+            context=all_errors,
+        )
+
+    more_valid = [s for i, s in subschemas if validator.is_valid(instance, s)]
+    if more_valid:
+        more_valid.append(first_valid)
+        reprs = ", ".join(repr(schema) for schema in more_valid)
+        yield ValidationError(
+            "%r is valid under each of %s" % (instance, reprs)
+        )
+
+
 def not_(validator, not_schema, instance, schema):
     if validator.is_valid(instance, not_schema):
         yield ValidationError(

jsonschema/validators.py

@@ -270,6 +270,7 @@ def extend(validator, validators, version=None):
         u"minimum": _validators.minimum_draft6,
         u"multipleOf": _validators.multipleOf,
         u"not": _validators.not_,
+        u"oneOf": _validators.oneOf_draft6,
         u"properties": _validators.properties,
         u"required": _validators.required,
         u"type": _validators.type,