diff options
Diffstat (limited to 'rest_framework/relations.py')
| -rw-r--r-- | rest_framework/relations.py | 9 |
1 files changed, 6 insertions, 3 deletions
diff --git a/rest_framework/relations.py b/rest_framework/relations.py index 46fe55ef..9f44ab63 100644 --- a/rest_framework/relations.py +++ b/rest_framework/relations.py @@ -73,7 +73,8 @@ class HyperlinkedRelatedField(RelatedField): 'incorrect_type': 'Incorrect type. Expected URL string, received {data_type}.', } - def __init__(self, view_name, **kwargs): + def __init__(self, view_name=None, **kwargs): + assert view_name is not None, 'The `view_name` argument is required.' self.view_name = view_name self.lookup_field = kwargs.pop('lookup_field', self.lookup_field) self.lookup_url_kwarg = kwargs.pop('lookup_url_kwarg', self.lookup_field) @@ -182,7 +183,8 @@ class HyperlinkedIdentityField(HyperlinkedRelatedField): URL of relationships to other objects. """ - def __init__(self, view_name, **kwargs): + def __init__(self, view_name=None, **kwargs): + assert view_name is not None, 'The `view_name` argument is required.' kwargs['read_only'] = True kwargs['source'] = '*' super(HyperlinkedIdentityField, self).__init__(view_name, **kwargs) @@ -199,7 +201,8 @@ class SlugRelatedField(RelatedField): 'invalid': _('Invalid value.'), } - def __init__(self, slug_field, **kwargs): + def __init__(self, slug_field=None, **kwargs): + assert slug_field is not None, 'The `slug_field` argument is required.' self.slug_field = slug_field super(SlugRelatedField, self).__init__(**kwargs) |