Merge pull request #134 from egh/parse-artist-role

Parse artist role field

discogs_client/models.py

@@ -478,7 +478,10 @@ class Artist(PrimaryAPIObject):
     #: single string, for example: "DJ ABC Feat MC Z". Also check out the
     #: ``artists_sort`` attribute of a ``Release`` object.
     join = SimpleField()
-
+    #: This attribute is only present when an ``Artist`` object is part of a
+    #: ``credits`` list of a ``Release`` object.
+    role = SimpleField()
+
     def __init__(self, client, dict_):
         super(Artist, self).__init__(client, dict_)
         self.data['resource_url'] = '{0}/artists/{1}'.format(client._base_url, dict_['id'])

discogs_client/tests/test_models.py

@@ -9,6 +9,9 @@ def test_artist(self):
         """Artists can be fetched and parsed"""
         a = self.d.artist(1)
         self.assertEqual(a.name, 'Persuader, The')
+        a2 = self.d.release(1).credits[0]
+        self.assertEqual(a2.name, 'Jesper Dahlbäck')
+        self.assertEqual(a2.role, 'Music By [All Tracks By]')
 
     def test_same_artist(self):
         """Artists can be fetched and parsed multiple times"""