configurators: extend ConfiguratorBase to include more common fields …

…and dry up the code

master/buildbot/configurators/__init__.py

@@ -34,15 +34,9 @@ def __init__(self):
 
  def configure(self, config_dict):
  self.config_dict = c = config_dict
- if 'schedulers' not in c:
- c['schedulers'] = []
- self.schedulers = c['schedulers']
- if 'protocols' not in c:
- c['protocols'] = {}
- self.protocols = c['protocols']
- if 'builders' not in c:
- c['builders'] = []
- self.builders = c['builders']
- if 'workers' not in c:
- c['workers'] = []
- self.workers = c['workers']
+ fields = ['schedulers', 'protocols', 'builders', 'workers', 'projects', 'secretProviders']
+ for k in fields:
+ c.setdefault(k, [])
+ setattr(self, k, c[k])
+ c.setdefault('www', {})
+ c.www = c['www']