180 #         self.register_hook(tidy_html_fields('before_add_entity'), 'before_add_entity', '')

   180 #         self.register_hook(tidy_html_fields('before_add_entity'), 'before_add_entity', '')

   181 #         self.register_hook(tidy_html_fields('before_update_entity'), 'before_update_entity', '')

   181 #         self.register_hook(tidy_html_fields('before_update_entity'), 'before_update_entity', '')

   182             

   182             

   183 from cubicweb.selectors import yes

   183 from cubicweb.selectors import yes

   184 from cubicweb.common.appobject import AppObject

   184 from cubicweb.common.appobject import AppObject

   186 

   185 

   187 class autoid(type):

   186 class autoid(type):

   188     """metaclass to create an unique 'id' attribute on the class using it"""

   187     """metaclass to create an unique 'id' attribute on the class using it"""

   189     # XXX is this metaclass really necessary ?

   188     # XXX is this metaclass really necessary ?

   190     def __new__(mcs, name, bases, classdict):

   189     def __new__(mcs, name, bases, classdict):

   193         return cls

   192         return cls

   194 

   193 

   195 class Hook(AppObject):

   194 class Hook(AppObject):

   196     __metaclass__ = autoid

   195     __metaclass__ = autoid

   197     __registry__ = 'hooks'

   196     __registry__ = 'hooks'

   199     __selectors__ = (yes,)

   197     __selectors__ = (yes,)

   200     # set this in derivated classes

   198     # set this in derivated classes

   201     events = None

   199     events = None

   202     accepts = None

   200     accepts = None

   203     enabled = True

   201     enabled = True