contains

Author: Julian

jsonschema/_validators.py

@@ -89,6 +89,16 @@ def const(validator, const, instance, schema):
         )
 
 
+def contains(validator, contains, instance, schema):
+    if not validator.is_type(instance, "array"):
+        return
+
+    if not any(validator.is_valid(element, contains) for element in instance):
+        yield ValidationError(
+            "XXX"
+        )
+
+
 def minimum_draft3_draft4(validator, minimum, instance, schema):
     if not validator.is_type(instance, "number"):
         return

jsonschema/validators.py

@@ -252,6 +252,7 @@ def extend(validator, validators, version=None):
         u"allOf": _validators.allOf_draft6,
         u"anyOf": _validators.anyOf_draft6,
         u"const": _validators.const,
+        u"contains": _validators.contains,
         u"exclusiveMaximum": _validators.exclusiveMaximum_draft6,
         u"exclusiveMinimum": _validators.exclusiveMinimum_draft6,
         u"items": _validators.items,