class SettingsProxy(object):
def __init__(self):
self.settings = None
def __getattr__(self, name):
namespace = namespace_manager.get_namespace()
now = time.time()
if not self.settings or now >= _last_config_refreshes.get(namespace, now - 300) + 300:
self.settings = ndb.Key(Settings, '_settings').get(use_cache=False, use_memcache=False)
if not self.settings:
self.settings = Settings(id='_settings')
settings_updated = False
for s, v in default_settings.items():
if not hasattr(self.settings, s):
setattr(self.settings, s, v)
settings_updated = True
if settings_updated:
self.settings.put()
logging.info('Settings refreshed.')
_last_config_refreshes[namespace] = now
return getattr(self.settings, name)
def _get_namespace(domain):
global mapping
if mapping is None:
namespace_manager.set_namespace('global')
settings = ndb.Key(Settings, '_settings').get()
if not settings:
settings = Settings(id='_settings')
settings.set_mapping({})
settings.put()
mapping = settings.get_mapping_dict()
return mapping.get(domain, domain)
def _get_namespace(domain):
global mapping
if mapping is None:
namespace_manager.set_namespace('global')
settings = ndb.Key(Settings, '_settings').get()
if not settings:
settings = Settings(id='_settings')
settings.set_mapping({})
settings.put()
mapping = settings.get_mapping_dict()
return mapping.get(domain, domain)
def ensure_global_settings():
current_namespace = namespace_manager.get_namespace()
namespace_manager.set_namespace('global')
settings = ndb.Key(Settings, '_settings').get()
settings_updated = False
if not settings:
logging.debug('Settings not found. Init.')
settings = Settings(id='_settings')
for s, v in default_settings.items():
if not hasattr(settings, s):
setattr(settings, s, v)
settings_updated = True
if settings_updated:
settings.put()
namespace_manager.set_namespace(current_namespace)
logging.info('Running with settings %s', settings)
