Update tests - make client credentials env. vars list a commonly accessible dictionary in spotipy/util.py

spotipy/util.py

@@ -5,6 +5,7 @@
 from __future__ import print_function
 
 __all__ = [
+    'CLIENT_CREDS_ENV_VARS',
     'prompt_for_user_token'
 ]
 
@@ -14,6 +15,13 @@ from . import oauth2
 
 import spotipy
 
+CLIENT_CREDS_ENV_VARS = {
+    'client_id': 'SPOTIPY_CLIENT_ID',
+    'client_secret': 'SPOTIPY_CLIENT_SECRET',
+    'client_username': 'SPOTIPY_CLIENT_USERNAME',
+    'redirect_uri': 'SPOTIPY_REDIRECT_URI'
+}
+
 def prompt_for_user_token(username, scope=None, client_id = None,
         client_secret = None, redirect_uri = None, cache_path = None):
     ''' prompts the user to login if necessary and returns

tests/test_auth.py

@@ -24,6 +24,7 @@ import simplejson as json
 sys.path.insert(0, os.path.abspath(os.pardir))
 
 from spotipy import (
+    CLIENT_CREDS_ENV_VARS as CCEV,
     prompt_for_user_token,
     Spotify,
     SpotifyException,
@@ -60,13 +61,13 @@ class AuthTestSpotipy(unittest.TestCase):
 
     @classmethod
     def setUpClass(self):
-        client_cred_env_vars = ['SPOTIPY_CLIENT_USERNAME', 'SPOTIPY_CLIENT_ID', 'SPOTIPY_CLIENT_SECRET', 'SPOTIPY_REDIRECT_URI']
-        missing = filter(lambda var: not os.getenv(var), client_cred_env_vars)
+
+        missing = filter(lambda var: not os.getenv(CCEV[var]), CCEV)
 
         if missing:
-            raise Exception('Please set the client credetials for the test application using the following environment variables: {}'.format(client_cred_env_vars))
+            raise Exception('Please set the client credentials for the test application using the following environment variables: {}'.format(CCEV.values()))
 
-        self.username = os.getenv('SPOTIPY_CLIENT_USERNAME')
+        self.username = os.getenv(CCEV['client_username'])
 
         self.scope = (
             'playlist-modify-public '

tests/tests.py

@@ -10,6 +10,7 @@ import requests
 sys.path.insert(0, os.path.abspath(os.pardir))
 
 from spotipy import (
+    CLIENT_CREDS_ENV_VARS as CCEV,
     prompt_for_user_token,
     Spotify,
     SpotifyException,
@@ -46,13 +47,12 @@ class TestSpotipy(unittest.TestCase):
 
     @classmethod
     def setUpClass(self):
-        client_cred_env_vars = ['SPOTIPY_CLIENT_USERNAME', 'SPOTIPY_CLIENT_ID', 'SPOTIPY_CLIENT_SECRET', 'SPOTIPY_REDIRECT_URI']
-        missing = filter(lambda var: not os.getenv(var), client_cred_env_vars)
+        missing = filter(lambda var: not os.getenv(CCEV[var]), CCEV)
 
         if missing:
-            raise Exception('Please set the client credetials for the test application using the following environment variables: {}'.format(client_cred_env_vars))
+            raise Exception('Please set the client credentials for the test application using the following environment variables: {}'.format(CCEV.values()))
 
-        self.username = os.getenv('SPOTIPY_CLIENT_USERNAME')
+        self.username = os.getenv(CCEV['client_username'])
 
         self.scope = 'user-library-read'