How to use the sphinx.addnodes.desc_addname function in Sphinx

signode['object'] = sig.member
        signode['prefix'] = sig.prefix
        signode['fullname'] = sig.full_name()

        # Prefix modifiers
        if self.display_prefix:
            signode += addnodes.desc_annotation(self.display_prefix,
                                                self.display_prefix)
        for prefix in ['public', 'protected', 'static']:
            if prefix in self.options:
                signode += addnodes.desc_annotation(prefix + ' ',
                                                    prefix + ' ')

        # Show prefix only on shorter declarations
        if sig.prefix is not None and not self.has_arguments:
            signode += addnodes.desc_addname(sig.prefix + '.', sig.prefix + '.')

        signode += addnodes.desc_name(sig.member, sig.member)
        if self.has_arguments:
            if not sig.arguments:
                signode += addnodes.desc_parameterlist()
            else:
                # TODO replace this
                _pseudo_parse_arglist(signode, ', '.join(sig.arguments))

        if isinstance(self, DotNetObjectNested):
            return sig.full_name(), sig.full_name()
        return sig.full_name(), sig.prefix

def parse_django_adminopt_node(env, sig, signode):
    """A copy of sphinx.directives.CmdoptionDesc.parse_signature()"""
    from sphinx.domains.std import option_desc_re
    count = 0
    firstname = ''
    for m in option_desc_re.finditer(sig):
        optname, args = m.groups()
        if count:
            signode += addnodes.desc_addname(', ', ', ')
        signode += addnodes.desc_name(optname, optname)
        signode += addnodes.desc_addname(args, args)
        if not count:
            firstname = optname
        count += 1
    if not count:
        for m in simple_option_desc_re.finditer(sig):
            optname, args = m.groups()
            if count:
                signode += addnodes.desc_addname(', ', ', ')
            signode += addnodes.desc_name(optname, optname)
            signode += addnodes.desc_addname(args, args)
            if not count:
                firstname = optname
            count += 1
    if not firstname:

def parse_django_adminopt_node(env, sig, signode):
    """A copy of sphinx.directives.CmdoptionDesc.parse_signature()"""
    from sphinx.domains.std import option_desc_re

    count = 0
    firstname = ""
    for m in option_desc_re.finditer(sig):
        optname, args = m.groups()
        if count:
            signode += addnodes.desc_addname(", ", ", ")
        signode += addnodes.desc_name(optname, optname)
        signode += addnodes.desc_addname(args, args)
        if not count:
            firstname = optname
        count += 1
    if not count:
        for m in simple_option_desc_re.finditer(sig):
            optname, args = m.groups()
            if count:
                signode += addnodes.desc_addname(", ", ", ")
            signode += addnodes.desc_name(optname, optname)
            signode += addnodes.desc_addname(args, args)
            if not count:
                firstname = optname
            count += 1
    if not firstname:
        raise ValueError
    return firstname

def handle_signature(self, sig, signode):
        ret = super(PyDecoratorMixin, self).handle_signature(sig, signode)
        signode.insert(0, addnodes.desc_addname('@', '@'))
        return ret

paramlist = addnodes.desc_parameterlist()
        for arg in func.signature:
            param = addnodes.desc_parameter('', '', noemph=True)
            if arg.type is not None:
                self.attach_type(param, arg.type)
                param += nodes.Text(u' ')
            param += nodes.emphasis(unicode(arg.name), unicode(arg.name))
            self.attach_type_suffixes(param, arg.type_suffixes)
            if arg.default is not None:
                def_ = u'=' + unicode(arg.default)
                param += nodes.emphasis(def_, def_)
            paramlist += param

        node += paramlist
        if func.const:
            node += addnodes.desc_addname(' const', ' const')
        if func.noexcept:
            node += addnodes.desc_addname(' noexcept', ' noexcept')
        if func.pure_virtual:
            node += addnodes.desc_addname(' = 0', ' = 0')

def parse_django_adminopt_node(env, sig, signode):
    """A copy of sphinx.directives.CmdoptionDesc.parse_signature()"""
    from sphinx import addnodes
    from sphinx.directives.desc import option_desc_re

    count = 0
    firstname = ''
    for m in option_desc_re.finditer(sig):
        optname, args = m.groups()
        if count:
            signode += addnodes.desc_addname(', ', ', ')
        signode += addnodes.desc_name(optname, optname)
        signode += addnodes.desc_addname(args, args)
        if not count:
            firstname = optname
        count += 1
    if not firstname:
        raise ValueError
    return firstname

classname = name_prefix.rstrip('.')
                fullname = name_prefix + name
            else:
                classname = ''
                fullname = name

        signode['module'] = modname
        signode['class'] = classname
        signode['fullname'] = fullname

        sig_prefix = self.get_signature_prefix(sig)
        if sig_prefix:
            signode += addnodes.desc_annotation(sig_prefix, sig_prefix)

        if name_prefix:
            signode += addnodes.desc_addname(name_prefix, name_prefix)
        # exceptions are a special case, since they are documented in the
        # 'exceptions' module.
        elif add_module and self.env.config.add_module_names:
            modname = self.options.get(
                'module', self.env.temp_data.get('py:module'))
            if modname and modname != 'exceptions':
                nodetext = modname + '.'
                signode += addnodes.desc_addname(nodetext, nodetext)

        signode += addnodes.desc_name(name, name)
        if not arglist:
            if self.needs_arglist():
                # for callables, add an empty parameter list
                signode += addnodes.desc_parameterlist()
            if retann:
                signode += addnodes.desc_returns(retann, retann)

classname = name_prefix.rstrip('.')
                fullname = name_prefix + name
            else:
                classname = ''
                fullname = name

        signode['module'] = modname
        signode['class'] = classname
        signode['fullname'] = fullname

        sig_prefix = self.get_signature_prefix(sig)
        if sig_prefix:
            signode += addnodes.desc_annotation(sig_prefix, sig_prefix)

        if name_prefix:
            signode += addnodes.desc_addname(name_prefix, name_prefix)
        # exceptions are a special case, since they are documented in the
        # 'exceptions' module.
        elif add_module and self.env.config.add_module_names:
            modname = self.options.get(
                'module', self.env.temp_data.get('mat:module'))
            if modname and modname != 'exceptions':
                if not self.env.config.matlab_keep_package_prefix:
                    modname = strip_package_prefix(modname)
                nodetext = modname + '.'
                signode += addnodes.desc_addname(nodetext, nodetext)

        anno = self.options.get('annotation')

        signode += addnodes.desc_name(name, name)
        if not arglist:
            if self.needs_arglist():