Fix for 'TypeError: string argument without an encoding' (regressing in python3).

rossigee · rossigee · commit 8f7511ac7ea4 · 2017-01-29T13:17:29.000+07:00
diff --git a/prometheus_client/exposition.py b/prometheus_client/exposition.py
@@ -145,8 +145,8 @@ def handle():
         '''Handler that implements HTTP Basic Auth.
         '''
         if username is not None and password is not None:
-            auth_value = "{0}:{1}".format(username, password)
-            auth_token = base64.b64encode(auth_value)
+            auth_value = bytes('{0}:{1}'.format(username, password), 'utf8')
+            auth_token = str(base64.b64encode(auth_value), 'utf8')
             auth_header = "Basic {0}".format(auth_token)
             headers.append(['Authorization', auth_header])
         default_handler(url, method, timeout, headers, data)()
