environment.py 文件源码

def lookup_domain_element(self, type, name):
        """Lookup a markup element (directive or role), given its name which can
        be a full name (with domain).
        """
        name = name.lower()
        # explicit domain given?
        if ':' in name:
            domain_name, name = name.split(':', 1)
            if domain_name in self.domains:
                domain = self.domains[domain_name]
                element = getattr(domain, type)(name)
                if element is not None:
                    return element, []
        # else look in the default domain
        else:
            def_domain = self.temp_data.get('default_domain')
            if def_domain is not None:
                element = getattr(def_domain, type)(name)
                if element is not None:
                    return element, []
        # always look in the std domain
        element = getattr(self.domains['std'], type)(name)
        if element is not None:
            return element, []
        raise ElementLookupError