from __future__ import unicode_literals

import os

from mopidy import ext, config


__version__ = '1.0.4'


class BeetsExtension(ext.Extension):

    dist_name = 'Mopidy-Beets'
    ext_name = 'beets'
    version = __version__

    def get_default_config(self):
        conf_file = os.path.join(os.path.dirname(__file__), 'ext.conf')
        return config.read(conf_file)

    def get_config_schema(self):
        schema = super(BeetsExtension, self).get_config_schema()
        schema['hostname'] = config.Hostname()
        schema['port'] = config.Port()
        return schema

    def get_backend_classes(self):
        from .actor import BeetsBackend
        return [BeetsBackend]

@@ -585,32 +585,28 @@
 def 
-get_backend_classes(self
+setup(self, registry
 ):%0A 
@@ -658,14 +658,30 @@
   re
-turn %5B
+gistry.add('backend', 
 Beet
@@ -688,10 +688,10 @@
 sBackend
-%5D
+)
 %0A

Use new setup(registry) API