Merge pull request #64 from cwacek/hotfix/ref-resolution-bug

bugfix: Resolve the correct reference type for objects

Author: cwacek

python_jsonschema_objects/__init__.py

@@ -3,6 +3,7 @@
 from jsonschema.compat import iteritems
 import json
 import codecs
+import copy
 import os.path
 import inflection
 import six
@@ -52,6 +53,17 @@ def __init__(self, schema_uri, resolved={}):
         self._classes = None
         self._resolved = None
 
+    @property
+    def schema(self):
+        try:
+            return copy.deepcopy(self._schema)
+        except AttributeError:
+            raise ValidationError("No schema provided")
+
+    @schema.setter
+    def schema(self, val):
+        setattr(self, '_schema', val)
+
     @property
     def classes(self):
         if self._classes is None:

python_jsonschema_objects/classbuilder.py

@@ -536,6 +536,7 @@ def _build_object(self, nm, clsdata, parents,**kw):
         name_translation = {}
 
         for prop, detail in properties.items():
+            logger.debug(util.lazy_format("Handling property {0}.{1}",nm, prop))
             properties[prop]['raw_name'] = prop
             name_translation[prop] = prop.replace('@', '')
             prop = name_translation[prop]
@@ -556,6 +557,9 @@ def _build_object(self, nm, clsdata, parents,**kw):
             elif 'type' not in detail and '$ref' in detail:
                 ref = detail['$ref']
                 uri = util.resolve_ref_uri(self.resolver.resolution_scope, ref)
+                logger.debug(util.lazy_format("Resolving reference {0} for {1}.{2}",
+                    ref, nm, prop
+                    ))
                 if uri not in self.resolved:
                     with self.resolver.resolving(ref) as resolved:
                         self.resolved[uri] = self.construct(

test/test_pytest.py

@@ -41,6 +41,34 @@ def test_regression_9():
     builder.build_classes()
 
 
+def test_build_classes_is_idempotent():
+    schema = {
+        "$schema": "http://json-schema.org/schema#",
+        "title": "test",
+        "type": "object",
+        "properties": {
+            "name": {"$ref": "#/definitions/foo"},
+            "email": {"oneOf": [{"type": "string"}, {"type": "integer"}]},
+        },
+        "required": ["email"],
+        "definitions": {
+            "reffed": {
+                "type": "string"
+                },
+            "foo": {
+                "type": "array",
+                "items": {
+                    "$ref": "#/definitions/reffed"
+                }
+            }
+        }
+    }
+    builder = pjs.ObjectBuilder(schema)
+    builder.build_classes()
+    builder.build_classes()
+
+
+
 def test_underscore_properties():
     schema = {
         "$schema": "http://json-schema.org/schema#",