def from_row(cls, row, **markers):
fixed = tuple(_tables.fix_row(row, **markers))
if cls is Declaration:
_, _, _, kind, _ = fixed
sub = KIND_CLASSES.get(KIND(kind))
if not sub or not issubclass(sub, Declaration):
raise TypeError(f'unsupported kind, got {row!r}')
else:
sub = cls
return sub._from_row(fixed)
def from_row(cls, row, **markers):
row = _tables.fix_row(row, **markers)
return cls(*row)