From 4b691c402707775c3048a90531024f3bc5be6f91 Mon Sep 17 00:00:00 2001
From: Tom Christie
Date: Thu, 20 Sep 2012 13:06:27 +0100
Subject: Change package name: djangorestframework -> rest_framework

---
 rest_framework/generics.py | 113 +++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 113 insertions(+)
 create mode 100644 rest_framework/generics.py

(limited to 'rest_framework/generics.py')

diff --git a/rest_framework/generics.py b/rest_framework/generics.py
new file mode 100644
index 00000000..106c9992
--- /dev/null
+++ b/rest_framework/generics.py
@@ -0,0 +1,113 @@
+"""
+Generic views that provide commmonly needed behaviour.
+"""
+
+from rest_framework import views, mixins
+from django.views.generic.detail import SingleObjectMixin
+from django.views.generic.list import MultipleObjectMixin
+
+
+### Base classes for the generic views ###
+
+class BaseView(views.APIView):
+    """
+    Base class for all other generic views.
+    """
+    serializer_class = None
+
+    def get_serializer(self, data=None, files=None, instance=None):
+        # TODO: add support for files
+        # TODO: add support for seperate serializer/deserializer
+        context = {
+            'request': self.request,
+            'format': self.kwargs.get('format', None)
+        }
+        return self.serializer_class(data, instance=instance, context=context)
+
+
+class MultipleObjectBaseView(MultipleObjectMixin, BaseView):
+    """
+    Base class for generic views onto a queryset.
+    """
+    pass
+
+
+class SingleObjectBaseView(SingleObjectMixin, BaseView):
+    """
+    Base class for generic views onto a model instance.
+    """
+
+    def get_object(self):
+        """
+        Override default to add support for object-level permissions.
+        """
+        obj = super(SingleObjectBaseView, self).get_object()
+        self.check_permissions(self.request, obj)
+        return obj
+
+
+### Concrete view classes that provide method handlers ###
+### by composing the mixin classes with a base view.   ###
+
+class ListAPIView(mixins.ListModelMixin,
+                  mixins.MetadataMixin,
+                  MultipleObjectBaseView):
+    """
+    Concrete view for listing a queryset.
+    """
+    def get(self, request, *args, **kwargs):
+        return self.list(request, *args, **kwargs)
+
+    def options(self, request, *args, **kwargs):
+        return self.metadata(request, *args, **kwargs)
+
+
+class RootAPIView(mixins.ListModelMixin,
+                  mixins.CreateModelMixin,
+                  mixins.MetadataMixin,
+                  MultipleObjectBaseView):
+    """
+    Concrete view for listing a queryset or creating a model instance.
+    """
+    def get(self, request, *args, **kwargs):
+        return self.list(request, *args, **kwargs)
+
+    def post(self, request, *args, **kwargs):
+        return self.create(request, *args, **kwargs)
+
+    def options(self, request, *args, **kwargs):
+        return self.metadata(request, *args, **kwargs)
+
+
+class DetailAPIView(mixins.RetrieveModelMixin,
+                    mixins.MetadataMixin,
+                    SingleObjectBaseView):
+    """
+    Concrete view for retrieving a model instance.
+    """
+    def get(self, request, *args, **kwargs):
+        return self.retrieve(request, *args, **kwargs)
+
+    def options(self, request, *args, **kwargs):
+        return self.metadata(request, *args, **kwargs)
+
+
+class InstanceAPIView(mixins.RetrieveModelMixin,
+                      mixins.UpdateModelMixin,
+                      mixins.DestroyModelMixin,
+                      mixins.MetadataMixin,
+                      SingleObjectBaseView):
+    """
+    Concrete view for retrieving, updating or deleting a model instance.
+    """
+    def get(self, request, *args, **kwargs):
+        return self.retrieve(request, *args, **kwargs)
+
+    def put(self, request, *args, **kwargs):
+        return self.update(request, *args, **kwargs)
+
+    def delete(self, request, *args, **kwargs):
+        return self.destroy(request, *args, **kwargs)
+
+    def options(self, request, *args, **kwargs):
+        return self.metadata(request, *args, **kwargs)
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