Reaver anytime style with flex weapon

When playing a reaver, the flex line really doesn't have a good anytime style other than Diamondback (taunt) or Python (30 str debuff). I often use Python first vs melees for the 30 str debuff but then after that, should I be using Diamondback as an anytime or just waiting for reactives on parry/block? Of course I'm slamming and using Leviathan when possible but after stun wears off or has been purged I want to make sure I'm maximizing my DPS.