def _getset_transformer(self, *args): #{{{
mval = self._mval()
if not args:
func = mval._tfunc
return func
func = args[0]
if not iscallable(func):
raise TypeError("Transform function is not callable")
# object.__setattr__(mval, '_tfunc', func)
osetattr(mval, '_tfunc', func)
def _getset_eqfunc(self, *args): #{{{
mval = self._mval()
if not args:
func = mval._eqfunc
return func
func = args[0]
if not iscallable(func):
raise TypeError("Equals function is not callable")
# object.__setattr__(mval, '_eqfunc', func)
osetattr(mval, '_eqfunc', func)
def __init__(self, *anon, **mval): #{{{
prop, values = self.p, self.v
if not isinstance(prop, MultiValueProperties):
raise TypeError("%s object is not a valid properties object" %prop.__class__.__name__)
elif not isinstance(values, MultiValueValues):
raise TypeError("%s object is not a valid values object" %values.__class__.__name__)
if not anon and not mval:
raise ValueError("Cannot create empty mval")
block = ['__get__', '__getitem__']
reserved = [n for n in mval if n in block + dir(object)]
if reserved:
raise AttributeError("The following attribute names are reserved: %s" %', '.join(reserved))
tfunc, eqfunc = self._mktfunc(), self._mkeqfunc()
if [a for a in (tfunc, eqfunc) if not iscallable(a)]:
raise TypeError("Attempt to set transform or equals function to a non-callable")
anon = ((k, v) for k, v in enumerate(anon))
mval = mdict(anon, mval)
mval.clearmerged()
# object.__setattr__(self, '_mval', mval)
# object.__setattr__(self, '_tfunc', tfunc)
# object.__setattr__(self, '_eqfunc', eqfunc)
osetattr(self, '_mval', mval)
osetattr(self, '_tfunc', tfunc)
osetattr(self, '_eqfunc', eqfunc)
def __init__(self, mval=None): #{{{
if mval is not None:
if not isinstance(mval, MultiValue) or not isinstance(self, mval.__class__.v.__class__):
raise TypeError("Cannot use %s object as an multivalue" %mval.__class__.__name__)
# object.__setattr__(self, '_mval', ref(mval))
osetattr(self, '_mval', ref(mval))
