added file missed in previous commit

scrapy/contrib/djangoitem.py

@@ -0,0 +1,33 @@
+from scrapy.item import Field, Item, ItemMeta
+
+
+class DjangoItemMeta(ItemMeta):
+
+    def  __new__(mcs, class_name, bases, attrs):
+        cls = super(DjangoItemMeta, mcs).__new__(mcs, class_name, bases, attrs)
+        cls.fields = cls.fields.copy()
+
+        if cls.django_model:
+            cls._model_fields = []
+            cls._model_meta = cls.django_model._meta
+            for model_field in cls._model_meta.fields:
+                if model_field.auto_created == False:
+                    if model_field.name not in cls.fields:
+                        cls.fields[model_field.name] = Field()
+                    cls._model_fields.append(model_field.name)
+        return cls
+
+
+class DjangoItem(Item):
+
+    __metaclass__ = DjangoItemMeta
+
+    django_model = None
+
+    def save(self, commit=True):
+        modelargs = dict((k, self.get(k)) for k in self._values
+                         if k in self._model_fields)
+        model = self.django_model(**modelargs)
+        if commit:
+            model.save()
+        return model