[no subject]

<Create untrusted plpy...>

CREATE FUNCTION zope_restrict(oid) RETURNS VOID LANGUAGE python AS
$$
getcode = Postgres.CachedQuery("SELECT probin FROM pg_proc WHERE oid = $1")
getlangval = Postgres.CachedQuery("""
	SELECT lanvalidator FROM pg_language WHERE
		oid = (SELECT prolang FROM pg_proc WHERE oid = $1)
""")

langvaloid = getlangval(self.function.procid)
langval = Postgres.Function(langvaloid)

# produce the function's bytecode for checking
langval(args[0])

# get the function's newly created bytecode
code = getcode(args[0]).next()[0]

#
# XXX: do the zope restriction stuff, raise exception if necessary
#

Postgres.NOTICE(repr(code))
$$;

CREATE TRUSTED LANGUAGE plpyr HANDLER python.handler VALIDATOR zope_restrict;

[This almost works in plpy head, but I think I just found a bug ;]
-- 
Regards, James William Pye