django-components/django_components/component.py
2015-06-11 20:52:46 +02:00

24 lines
708 B
Python

class AlreadyRegistered(Exception):
pass
class NotRegistered(Exception):
pass
class ComponentRegistry(object):
def __init__(self):
self._registry = {} # component name -> component_class mapping
def register(self, name=None, component=None):
if name in self._registry:
raise AlreadyRegistered('The component "%s" is already registered' % name)
self._registry[name] = component
def unregister(self, name):
if name not in self._registry:
raise NotRegistered('The component "%s" is not registered' % name)
del self._registry[name]
# This variable represents the global component registry
registry = ComponentRegistry()