def desc(self):
desc = ParameterSet({
'input type': 'Random variable',
'generator': self.gen,
'module': self.module, # Module where constructor is defined
'frozen': self.frozen,
})
if self.frozen:
if None in (self.args, self.kwds):
warn(
"Cannot produce a valid description for a frozen "
"distribution if it doesn't not save `args` and `kwds` "
"attributes (this happens for multivariate distributions)."
)
desc.frozen = 'invalid' # Will make valid_desc return False
else:
desc.args = self.rv.args
desc.kwds = self.rv.kwds
return desc
