Support for playlist_cover_image (#431)

CHANGELOG.md

@@ -6,6 +6,10 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 
 ## [Unreleased]
 
+### Added 
+
+ - Support for `playlist_cover_image`
+
 ## [2.7.1] - 2020-01-20
 
 ### Changed

spotipy/client.py

@@ -406,11 +406,19 @@ class Spotify(object):
                          limit=limit, offset=offset, fields=fields,
                          market=market)
 
+    def playlist_cover_image(self, playlist_id):
+        """ Get cover of a playlist.
+
+            Parameters:
+                - playlist_id - the id of the playlist
+        """
+        plid = self._get_id('playlist', playlist_id)
+        return self._get("playlists/%s/images" % (plid))
+
     def playlist_upload_cover_image(self,
                                     playlist_id,
                                     image_b64):
-        """
+        """ Replace the image used to represent a specific playlist
-        Replace the image used to represent a specific playlist
 
             Parameters:
                 - playlist_id - the id of the playlist

tests/test_auth.py

@@ -314,6 +314,17 @@ class AuthTestSpotipy(unittest.TestCase):
         new_b64 = self.get_as_base64(pl1['images'][0]['url'])
         self.assertTrue(old_b64 != new_b64)
 
+    def test_playlist_cover_image(self):
+        pl = self.get_or_create_spotify_playlist('spotipy-testing-playlist-1')
+        plid = pl['uri']
+        res = self.spotify.playlist_cover_image(plid)
+
+        self.assertTrue(len(res) > 0)
+        first_image = res[0]
+        self.assertTrue('width' in first_image)
+        self.assertTrue('height' in first_image)
+        self.assertTrue('url' in first_image)
+
     def test_user_follows_and_unfollows_artist(self):
         # Initially follows 1 artist
         res = self.spotify.current_user_followed_artists()