diff options
Diffstat (limited to 'rest_framework/relations.py')
| -rw-r--r-- | rest_framework/relations.py | 16 |
1 files changed, 15 insertions, 1 deletions
diff --git a/rest_framework/relations.py b/rest_framework/relations.py index 9b3a7790..686dcf04 100644 --- a/rest_framework/relations.py +++ b/rest_framework/relations.py @@ -407,6 +407,7 @@ class HyperlinkedIdentityField(Field): # TODO: Make view_name mandatory, and have the # HyperlinkedModelSerializer set it on-the-fly self.view_name = kwargs.pop('view_name', None) + # Optionally the format of the target hyperlink may be specified self.format = kwargs.pop('format', None) self.slug_field = kwargs.pop('slug_field', self.slug_field) @@ -418,9 +419,22 @@ class HyperlinkedIdentityField(Field): def field_to_native(self, obj, field_name): request = self.context.get('request', None) - format = self.format or self.context.get('format', None) + format = self.context.get('format', None) view_name = self.view_name or self.parent.opts.view_name kwargs = {self.pk_url_kwarg: obj.pk} + + # By default use whatever format is given for the current context + # unless the target is a different type to the source. + # + # Eg. Consider a HyperlinkedIdentityField pointing from a json + # representation to an html property of that representation... + # + # '/snippets/1/' should link to '/snippets/1/highlight/' + # ...but... + # '/snippets/1/.json' should link to '/snippets/1/highlight/.html' + if format and self.format and self.format != format: + format = self.format + try: return reverse(view_name, kwargs=kwargs, request=request, format=format) except: |