def __setattr__(self, key, val):
opt = self._get_option(key)
if isinstance(opt, Config):
raise dx.TypeError(
"Cannot assign a value to group of options `%s.*`" %
(self._prefix + key))
opt.set(val)
def set(self, x):
if self._xtype is not None:
if not isinstance(x, self._xtype):
raise dx.TypeError(
"Invalid value for option `%s`: expected %s, instead got %s"
% (self._name, self._xtype, type(x)))
self._value = x
if self._onchange is not None:
self._onchange(x)
def __init__(self, name, default, doc=None, xtype=None, onchange=None):
self._name = name
self._default = default
self._doc = doc
self._value = default
self._xtype = xtype
self._onchange = onchange
if xtype and not isinstance(default, xtype):
raise dx.TypeError("Default value `%r` is not of type %s" %
(default, xtype))