hard wipe mesh / objects from blender scene

hard_wipe.py

import bpy

def remove_obj_and_mesh(context):
    scene = context.scene
    objs = bpy.data.objects
    meshes = bpy.data.meshes
    for obj in objs:
        if obj.type == 'MESH':
            if obj.name in scene.objects:
                scene.objects.unlink(obj)
            else:
                print(obj.name, 'was previously unlinked from scene')
                obj.user_clear()
            objs.remove(obj, do_unlink=True)

    for mesh in meshes:
        meshes.remove(mesh)

remove_obj_and_mesh(bpy.context)