On 5/14/07, Arvind Singh <[EMAIL PROTECTED]> wrote: > > Asking Questions About Roles > > Shouldn't there be some way to ``revoke'' roles?
No, roles are purely additive. Allowing role revocation is an easy recipe for race conditions where one bit of code says type X does a given role and another bit of code says it doesn't. > How can we get a list of all roles played by an object? Something like this could be trivially added. What use-case do you have in mind? > Should there be a way to check ``loosely'' whether an object can > potentially play a given role? (i.e., checking whether an object > provides a give interface, atleast syntactically) This could be added, yes. Collin Winter _______________________________________________ Python-3000 mailing list Python-3000@python.org http://mail.python.org/mailman/listinfo/python-3000 Unsubscribe: http://mail.python.org/mailman/options/python-3000/archive%40mail-archive.com
