mount_sample_id = None
mount_sample_detected = None

def mount(segment, puck, sample, force=False, read_dm=False, auto_unmount=False):
    """
    """
    global mount_sample_id, mount_sample_detected
    print "mount: ", segment, puck, sample, force

    start = time.time()

    is_aux = (segment == AUX_SEGMENT)
    puck_address = get_puck_address(puck)
    if puck_address is None:
        puck_obj = get_puck_obj_by_id(puck)
        if puck_obj is not None:
            puck_address = puck_obj.name
    if puck_address is not None:
        print "puck address: ", puck_address
        segment = puck_address[:1]
        puck = int(puck_address[1:])        
    #Initial checks
    assert_valid_address(segment, puck, sample)
    assert_puck_detected(segment, puck)

    if robot.simulated:
        time.sleep(3.0)
        mount_sample_detected = True     
        mount_sample_id = "YYY0001"
        update_samples_info_sample_mount(get_puck_name(segment, puck), sample, mount_sample_detected, mount_sample_id)    
        set_setting("mounted_sample_position", get_sample_name(segment, puck, sample))
        return [mount_sample_detected, mount_sample_id]
            
    robot.assert_no_task()
    robot.reset_motion()
    robot.wait_ready()
    robot.assert_cleared()
    #robot.assert_in_known_point()
    hexiposi.assert_homed()
        
    
    try:
        smart_magnet.enforce_sample_detection()                       
        if smart_magnet.check_mounted(idle_time=0.25, timeout = 1.0) == True:
            if auto_unmount and (get_setting("mounted_sample_position") is not None):
                unmount(force = True)
            else:
                raise Exception("Pin detected on gonio")
                
        set_status("Mounting: " + str(segment) + str(puck) + str(sample))    
        #location = robot.get_current_point()
    
        #Enabling
        enable_motion()

        if is_aux:
            if not robot.is_aux():
                robot.move_aux()      
                
            robot.get_aux(sample)
                    
        else:
            set_hexiposi(segment)
            
            if not force:        
                visual_check_hexiposi(segment)           
    
            if not robot.is_dewar():
                robot.move_dewar()      
                
            robot.get_dewar(segment, puck, sample)

        
        set_setting("mounted_sample_position", get_sample_name(segment, puck, sample))
    
        if read_dm:
            barcode_reader.start_read(10.0)
            robot.move_scanner()     
            #time.sleep(1.0)           
            
        robot.move_gonio()    
        
        if read_dm:
            mount_sample_id = barcode_reader.get_readout()
            print "Datamatrix: " , mount_sample_id
        else:
            mount_sample_id = None
    
        smart_magnet.set_mount_current()

        robot.put_gonio() 

      
        try:
            dry_mount_count = int(get_setting("dry_mount_counter"))
        except:
            dry_mount_count = 0    
        set_setting("dry_mount_counter", dry_mount_count+1)    
                
        if is_aux:
            robot.move_home() 
        else:
            robot.move_cold() 
            
            mount_sample_detected = smart_magnet.check_mounted(idle_time=0.25, timeout = 1.0)        
            #TODO: Should do on finally?
            update_samples_info_sample_mount(get_puck_name(segment, puck), sample, mount_sample_detected, mount_sample_id)      
            if mount_sample_detected == False:
                raise Exception("No pin detected on gonio")
    
            if is_force_dry():
                smart_magnet.set_default_current()
                print "Auto dry"
                log("Starting auto dry", False)
                dry()            
        return [mount_sample_detected, mount_sample_id]
    finally:
        smart_magnet.set_default_current()