Mainly use literal for list/dict and f-strings when possible

[mpd-sima.git] / sima / lib / simafm.py

diff --git a/sima/lib/simafm.py b/sima/lib/simafm.py
index bd203f74f3330f1da06a0d7abd5d1f0c741e8a0b..5103aceac9455a9ac5d8a39e8fc10f5812151b3f 100644 (file)
--- a/sima/lib/simafm.py
+++ b/sima/lib/simafm.py
@@ -1,6 +1,6 @@
 # -*- coding: utf-8 -*-
 
-# Copyright (c) 2009-2014 kaliko <kaliko@azylum.org>
+# Copyright (c) 2009-2014, 2021 kaliko <kaliko@azylum.org>
 #
 #   This program is free software: you can redistribute it and/or modify
 #   it under the terms of the GNU General Public License as published by
@@ -61,7 +61,7 @@ class SimaFM:
             code = ans.get('error')
             mess = ans.get('message')
             if code == 6:
-                raise WSNotFound('{0}: "{1}"'.format(mess, self.artist))
+                raise WSNotFound(f'{mess}: "{self.artist}"')
             raise WSError(mess)
         return True
 
@@ -76,10 +76,10 @@ class SimaFM:
         payload = payloads.get(method)
         payload.update(api_key=LFM.get('apikey'), format='json')
         if not isinstance(artist, Artist):
-            raise TypeError('"{0!r}" not an Artist object'.format(artist))
+            raise TypeError(f'"{artist!r}" not an Artist object')
         self.artist = artist
         if artist.mbid:
-            payload.update(mbid='{0}'.format(artist.mbid))
+            payload.update(mbid=f'{artist.mbid}')
         else:
             payload.update(artist=artist.name,
                            autocorrect=1)
@@ -101,9 +101,9 @@ class SimaFM:
         ans = self.http(self.root_url, payload)
         try:
             ans.json()
-        except ValueError:
+        except ValueError as err:
             # Corrupted/malformed cache? cf. gitlab issue #35
-            raise WSError('Malformed json, try purging the cache: %s')
+            raise WSError('Malformed json, try purging the cache: %s') from err
         self._controls_answer(ans.json())  # pylint: disable=no-member
         # Artist might be found but return no 'artist' list…
         # cf. "Mulatu Astatqe" vs. "Mulatu Astatqé" with autocorrect=0