environment.py 文件源码

def patch_lookup_functions(self):
        """Monkey-patch directive and role dispatch, so that domain-specific
        markup takes precedence.
        """
        def directive(name, lang_module, document):
            try:
                return self.lookup_domain_element('directive', name)
            except ElementLookupError:
                return orig_directive_function(name, lang_module, document)

        def role(name, lang_module, lineno, reporter):
            try:
                return self.lookup_domain_element('role', name)
            except ElementLookupError:
                return orig_role_function(name, lang_module, lineno, reporter)

        directives.directive = directive
        roles.role = role