def __setstate__(self, state):
if _hasattribute(self, '__dict__'):
_getattribute(self, '__dict__').clear()
for name in self._p_gen_data_slots():
_delattribute(self, name)
if state is not None:
for key, value in iteritems(state):
_setattribute(self, key, value)
def get(self, compute):
"""(compute) -> value
Compute the value (if necessary) and return it. 'compute' needs
to be a function that takes no arguments.
"""
# we are careful here not to mark object as UNSAVED
if _hasattribute(self, 'value'):
value = _getattribute(self, 'value')
else:
value = compute()
_setattribute(self, 'value', value)
return value
def __setattr__(self, name, value):
if name[:3] != '_p_' and name not in _GHOST_SAFE_ATTRIBUTES:
self._p_note_change()
_setattribute(self, name, value)
