What is the right way to get permission class by model class?

[alexitkes]

Hello everyone.

If I called authority.sites.register (ModelClass, PermissionClass), I can later call other methods from authority.sites to retrieve the list of all permission names of PermissionClass and to retrieve the specific check function. But I am sorry, but I can't understand is there a good way to retrieve the PermissionClass itself if I only have the ModelClass. Is there a good way to do it without diving deep into the internal data of authority.sites module?

Thank you.

Alex.