Try getting some ice from the fridge and put in pot filled with water. Swirl around until water is really cold. Pour where don’t want the snake to go (looks like he may be heading towards you, so in front and a little on him. Leave the other side warm, dry.)
This guy is largely stretched out.. so it can’t strike right now – though gopher’s are constrictors. It also looks like it may have recently eaten. The midsection of the snake is rather ‘thick’.