better detection of empty json block

examples/audio_features2.py

@@ -1,32 +0,0 @@
-# shows acoustic features for tracks for the given artist
-
-from __future__ import print_function    # (at top of module)
-from spotipy.oauth2 import SpotifyClientCredentials
-import json
-import spotipy
-import time
-import sys
-
-460V2cUWccVmYeTd4TLabO,01N7pbYH5f9TpLxmqosmUe,2Rrkgr8Kd0XGNbilwip6r8,3iJacHlEpRhG8CIStLXYbs,3D0stCwnqbPRkbXnUp28PR,5f1E93e9HPSRs24QM4WZsa,3BxHcg8PCUVK3m7gESNFg9,6chhc8QbIYUW9eROLwzTt7,6cIqoP7oV1H5NjmX4rxLie,4u10VvC4AV75eQ0boApzkq,%2C%2C%2C%2C%2C%2C%2C%2C%2C%2C%2C%2C%2C%2C5nsikUg2MZkmb1nxvcFl5J%2C5PukeF41F4XNCyltPrjtfO%2C2JCpgkECOJyD7yUokQZDrs%2C7dwXipvdDxipgRu47xH98K%2C4IK53QTieazWuWUYm5fkP8%2C5dcQ2uEhO0hXdvcWFQShV9%2C3KpmsYSzgeummZ4leRtjbM%2C3kFuIYz4jYu1Wgq5HuFnid%2C5uEsEDcw8D30AmksKuavMh%2C6HjVlvOUu8zaLlNLCAELrd%2C4zrJmEMmQKxC5desjEgadB%2C41wBEIqFyttEGmbQcRHu13%2C5ATVpeENGTukudcWso7WeE%2C6qs7nmfAvHTIIpFLFsDTVc%2C4KSx0OmRJpT8EvTNnzZw2V%2C7eyhxafr2Q09JcqkSRSkOX%2C6JP7TRXXgTcuoDyotNR5Bu%2C2LwXZozk3SAWgqunHZq5pV%2C1lE88zONI0LR9hAi14F9tJ%2C3VxJ96B20xnFfxCrBCgjh0%2C2kEDlDyDht2OnN3eUD6AKy%2C59jyWHNXkL6R2rWsz2hnuH%2C2Brivg4Hjx6nqmUXJCkrDQ%2C1C0mAIhKJ5luyb2TNE7n7E%2C0y2nkKDa3VMaUx9rvzERJv%2C3AJK9D8d5AMxx0cgLbsL5W
-
-client_credentials_manager = SpotifyClientCredentials()
-sp = spotipy.Spotify(client_credentials_manager=client_credentials_manager)
-sp.trace=True
-
-if len(sys.argv) > 1:
-    artist_name = ' '.join(sys.argv[1:])
-    results = sp.search(q=artist_name, limit=50)
-    tids = []
-    for i, t in enumerate(results['tracks']['items']):
-        print(' ', i, t['name'])
-        tids.append(t['uri'])
-
-    print(tids)
-
-    start = time.time()
-    features = sp.audio_features(tids)
-    delta = time.time() - start
-    print ("features", features)
-    print(json.dumps(features, indent=4))
-
-    print ("features retrieved in %.2f seconds" % (delta,))

spotipy/client.py

@@ -104,8 +104,12 @@ class Spotify(object):
         try:
             r.raise_for_status()
         except:
-            raise SpotifyException(r.status_code,
-                -1, '%s:\n %s' % (r.url, r.json()['error']['message']))
+            if r.text:
+                raise SpotifyException(r.status_code,
+                    -1, '%s:\n %s' % (r.url, r.json()['error']['message']))
+            else:
+                raise SpotifyException(r.status_code,
+                    -1, '%s:\n %s' % (r.url, 'error'))
         finally:
             r.connection.close()
         if len(r.text) > 0:
@@ -137,9 +141,10 @@ class Spotify(object):
                         time.sleep(delay)
                         delay += 1
                 else:
-                    print ('http status:'  + str(status))
                     raise
-            except: 
+            except Exception as e: 
+                raise
+                print ('exception', str(e))
                 # some other exception. Requests have
                 # been know to throw a BadStatusLine exception
                 retries -= 1