class SecProxy(object)

    session = None

    def __init__(self, session):
        self.session = session
    
  
    def is_menu_public(item):
        """
            Check if menu item has public permissions
    
            param item:
                menu item
        """
        role_public = current_app.config['AUTH_ROLE_PUBLIC']
        role = self.session.query(Role).filter_by(name = role_public).first()
        lst = role.permissions
        if lst:
            for i in lst:
                if item == i.view_menu.name:
                    return  True
            return False
        else: return False

    def is_item_public(permission_name, generalview_name):
        """
            Check if view has public permissions
    
            param permission_name:
                the permission: can_show, can_edit...
            param generalview_name:
                the name of the class view (child of BaseView)
        """

        role = self.session.query(Role).filter_by(name = AUTH_ROLE_PUBLIC).first()
        lst = role.permissions
        if lst:
            for i in lst:
                if (generalview_name == i.view_menu.name) and (permission_name == i.permission.name):
                    return True
            return False
        else: return False
    

class SecProxy(object)

    session = None

    def __init__(self, session):
        self.session = session
    
  
    def is_menu_public(item):
        """
            Check if menu item has public permissions
    
            param item:
                menu item
        """
        role_public = current_app.config['AUTH_ROLE_PUBLIC']
        role = self.session.query(Role).filter_by(name = role_public).first()
        lst = role.permissions
        if lst:
            for i in lst:
                if item == i.view_menu.name:
                    return  True
            return False
        else: return False

    def is_item_public(permission_name, generalview_name):
        """
            Check if view has public permissions
    
            param permission_name:
                the permission: can_show, can_edit...
            param generalview_name:
                the name of the class view (child of BaseView)
        """
        role_public = current_app.config['AUTH_ROLE_PUBLIC']
        role = self.session.query(Role).filter_by(name = role_public).first()
        lst = role.permissions
        if lst:
            for i in lst:
                if (generalview_name == i.view_menu.name) and (permission_name == i.permission.name):
                    return True
            return False
        else: return False
    

Update access.py