Pyramid 1.7 view deriver to alert on view_configs that lack a permission setting.

app.py

def permission_check(view, info):
    """View deriver to verify all view configs define a 'permission'.

    This deriver prints a message for each view config that lacks a permission
    setting. Regardless of this setting, the original view is returned.
    """
    opts = info.options
    if opts.get('permission') is None:
        name_parts = [opts['view'].__module__, opts['view'].__name__]
        if opts['attr'] is not None:
            name_parts.append(opts['attr'])
        print('{}: no permission defined ¯\_(ツ)_/¯'.format('.'.join(func)))
return view


def main(global_config, **settings):
    config = Configurator(settings=settings)
    config.add_default_permission('nobody_should_assign_this')
    config.add_view_deriver(permission_check)
    # Everything else to set up and return your wsgi app