| 50 | self.registry = [] |
| 51 | |
| 52 | def register(self, prefix, viewset, basename=None): |
| 53 | if basename is None: |
| 54 | basename = self.get_default_basename(viewset) |
| 55 | |
| 56 | if self.is_already_registered(basename): |
| 57 | msg = (f'Router with basename "{basename}" is already registered. ' |
| 58 | f'Please provide a unique basename for viewset "{viewset}"') |
| 59 | raise ImproperlyConfigured(msg) |
| 60 | |
| 61 | self.registry.append((prefix, viewset, basename)) |
| 62 | |
| 63 | # invalidate the urls cache |
| 64 | if hasattr(self, '_urls'): |
| 65 | del self._urls |
| 66 | |
| 67 | def is_already_registered(self, new_basename): |
| 68 | """ |