import cadquery as cq
w0=cq.Workplane('ZX',origin=(0,-27,0))
w1=cq.Workplane('ZX',origin=(0,-10,0))
r=w0.workplane(offset=22/2).moveTo(-40,33).cylinder(22,10).union(w1.sketch().segment((-19,2),(8,2)).segment((8,1)).segment((7,1)).segment((7,-42)).segment((8,-42)).segment((8,-43)).segment((49,-43)).segment((49,-42)).segment((50,-42)).segment((50,1)).segment((49,1)).segment((49,2)).segment((35,2)).arc((38,38),(10,15)).segment((-19,15)).close().assemble().reset().face(w1.sketch().segment((10,2),(23,2)).arc((15,7),(10,14)).close().assemble(),mode='s').finalize().extrude(37))