Maintain the validator instance to speedup schema validation process (#55)

2 files changed, 10 insertions, 4 deletions

diff --git a/warlock/core.py b/warlock/core.py
index a6dd3a4..2e933e1 100644
--- a/warlock/core.py
+++ b/warlock/core.py
@@ -17,6 +17,7 @@
 import copy
 
 from . import model
+from jsonschema.validators import validator_for
 
 
 def model_factory(schema, base_class=model.Model, name=None, resolver=None):
@@ -32,6 +33,13 @@ def model_factory(schema, base_class=model.Model, name=None, resolver=None):
         def __init__(self, *args, **kwargs):
             self.__dict__["schema"] = schema
             self.__dict__["resolver"] = resolver
+
+            cls = validator_for(self.schema)
+            if resolver is not None:
+                self.__dict__["validator_instance"] = cls(schema, resolver=resolver)
+            else:
+                self.__dict__["validator_instance"] = cls(schema)
+
             base_class.__init__(self, *args, **kwargs)
 
     if resolver is not None:
diff --git a/warlock/model.py b/warlock/model.py
index 62eb330..54bcbd7 100644
--- a/warlock/model.py
+++ b/warlock/model.py
@@ -127,9 +127,7 @@ class Model(dict):
     def validate(self, obj):
         """Apply a JSON schema to an object"""
         try:
-            if self.resolver is not None:
-                jsonschema.validate(obj, self.schema, resolver=self.resolver)
-            else:
-                jsonschema.validate(obj, self.schema)
+            self.validator_instance.validate(obj)
+
         except jsonschema.ValidationError as exc:
             raise exceptions.ValidationError(str(exc))