'Get a dict mapping *fullname* -> *alias* for each *alias* in
the :class:`~matplotlib.artist.ArtistInspector`.
e.g., for lines::
{\'markerfacecolor\': \'mfc\',
\'linewidth\'      : \'lw\','

def get_aliases(self):

    names = [name for name in dir(self.o) if (name.startswith((u'set_', u'get_')) and callable(getattr(self.o, name)))]
    aliases = {}
    for name in names:
        func = getattr(self.o, name)
        if (not self.is_alias(func)):
            continue
        docstring = func.__doc__
        fullname = docstring[10:]
        aliases.setdefault(fullname[4:], {})[name[4:]] = None
    return aliases
