def negotiate_mime_types(self, obj, accepts={}):
acc_types = http.build_mime_tree(accepts, True)
priorities = {}
for doc_type, doc_subtypes in self._mime_types.items():
acc_subtypes = acc_types.get(doc_type, acc_types["*"])
for doc_subtype, doc_pri in doc_subtypes.items():
acc_pri = acc_subtypes.get(doc_subtype, acc_subtypes["*"])
priority = doc_pri * acc_pri
mime_type = http.tuple2mime((doc_type, doc_subtype))
if self._registry.lookup_writer(mime_type, obj):
priorities[mime_type] = priority
order = priorities.keys()
order.sort(key=priorities.get)
return order[::-1]
def check(tuple, expected):
result = http.tuple2mime(tuple)
self.assertEqual(result, expected)
