def removeSchema(self, sch):
sch = getSchema(sch)
if sch.name not in self.schemas:
raise KeyError(sch.spec)
self.schemas.remove(sch.name)
if hasattr(self, '_v__providedBy'):
del self._v__providedBy
def __init__(self, context, relation=None):
self.__context__ = context
self.__relation__ = relation
if self.__behavior__.schema:
if self.__wrapper__:
from registry import getSchema
self.__datasheet__ = getSchema(
self.__behavior__.schema).getDatasheet(self.__context__.oid)
else:
self.__datasheet__ = self.__context__.getDatasheet(
self.__behavior__.schema)
def applySchema(self, sch):
if not self._completed:
self._completion.append((2, (sch,)))
return
name = None
if isinstance(sch, InterfaceClass):
name = sch.queryTaggedValue('__sch_name__')
if not name:
raise SchemaNotFound(sch)
else:
name = getSchema(sch).name
if name not in self.schemas:
self.schemas.append(name)
if hasattr(self, '_v__providedBy'):
del self._v__providedBy
def getDatasheet(self, name):
sch = getSchema(name)
if sch.name in self.__type__.schemas:
return sch(self)
else:
raise KeyError(name)
