Misago/misago/users/permissions/decorators.py

from django.core.exceptions import PermissionDenied
from django.utils.translation import gettext_lazy as _


__all__ = [
    'authenticated_only',
    'anonymous_only',
]


def authenticated_only(f):
    def perm_decorator(user_acl, target):
        if user_acl["is_authenticated"]:
            return f(user_acl, target)
        else: 
            raise PermissionDenied(
                _("You have to sig in to perform this action.")
            )

    return perm_decorator


def anonymous_only(f):
    def perm_decorator(user_acl, target):
        if user_acl["is_anonymous"]:
            return f(user_acl, target)
        else:
            raise PermissionDenied(
                _("Only guests can perform this action.")
            )

    return perm_decorator