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-rw-r--r--rest_framework/pagination.py34
1 files changed, 34 insertions, 0 deletions
diff --git a/rest_framework/pagination.py b/rest_framework/pagination.py
new file mode 100644
index 00000000..398e6f3d
--- /dev/null
+++ b/rest_framework/pagination.py
@@ -0,0 +1,34 @@
+from rest_framework import serializers
+
+# TODO: Support URLconf kwarg-style paging
+
+
+class NextPageField(serializers.Field):
+ def to_native(self, value):
+ if not value.has_next():
+ return None
+ page = value.next_page_number()
+ request = self.context['request']
+ return request.build_absolute_uri('?page=%d' % page)
+
+
+class PreviousPageField(serializers.Field):
+ def to_native(self, value):
+ if not value.has_previous():
+ return None
+ page = value.previous_page_number()
+ request = self.context['request']
+ return request.build_absolute_uri('?page=%d' % page)
+
+
+class PaginationSerializer(serializers.Serializer):
+ count = serializers.Field(source='paginator.count')
+ next = NextPageField(source='*')
+ previous = PreviousPageField(source='*')
+
+ def to_native(self, obj):
+ """
+ Prevent default behaviour of iterating over elements, and serializing
+ each in turn.
+ """
+ return self.convert_object(obj)