Use init in super class

Author: jakecoll

blazar/enforcement/filters/base_filter.py

@@ -20,6 +20,14 @@
 @six.add_metaclass(abc.ABCMeta)
 class BaseFilter:
 
+    enforcement_opts = []
+
+    def __init__(self, conf=None):
+        self.conf = conf
+
+        for opt in self.enforcement_opts:
+            self.conf.register_opt(opt, 'enforcement')
+
     @abc.abstractmethod
     def check_create(self, context, lease_values):
         pass

blazar/enforcement/filters/max_reservation_length_filter.py

@@ -61,12 +61,7 @@ class MaxReservationLengthFilter(base_filter.BaseFilter):
     ]
 
     def __init__(self, conf=None):
-
-        self.conf = conf
-
-        for opt in self.enforcement_opts:
-            self.conf.enforcement.register_opt(opt, 'enforcement')
-
+        super(MaxReservationLengthFilter, self).__init__(conf=conf)
 
     def check_for_length_violation(self, start_date, end_date):
         lease_length = (end_date - start_date).total_seconds()