serialhdl: Only load the CAN module if CAN bus is configured

Temporarily postpone loading the CAN module so that moonraker (and similar) can improve upgrade scripts. Signed-off-by: Kevin O'Connor <[email protected]>
astepkowski · Mar 13, 2021 · 4cbcd45 · 4cbcd45
1 parent c7dc3e7
commit 4cbcd45
Showing 1 changed file with 2 additions and 1 deletion.
diff --git a/klippy/serialhdl.py b/klippy/serialhdl.py
@@ -4,7 +4,7 @@
 #
 # This file may be distributed under the terms of the GNU GPLv3 license.
 import logging, threading, os
-import serial, can
+import serial
 
 import msgproto, chelper, util
 
@@ -103,6 +103,7 @@ def _start_session(self, serial_dev, serial_fd_type='u', client_id=0):
                 self.serialqueue, receive_window)
         return True
     def connect_canbus(self, canbus_uuid, canbus_nodeid, canbus_iface="can0"):
+        import can # XXX
         txid = canbus_nodeid * 2 + 256
         filters = [{"can_id": txid+1, "can_mask": 0x7ff, "extended": False}]
         # Prep for SET_NODEID command