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gcode: Extend register_command() so that it can also unregister a command 

If register_command() is passed None as the function to call, then
treat it as an unregister command request.

Signed-off-by: Kevin O'Connor <kevin@koconnor.net>
This commit is contained in:
Kevin O'Connor 2018-01-17 11:26:09 -05:00
parent 47bb8b7cc2
commit 51e1085dbc
1 changed files with 6 additions and 0 deletions
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6
klippy/gcode.py
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@ -52,6 +52,12 @@ class GCodeParser:
self.speed = 25.0
self.axis2pos = {'X': 0, 'Y': 1, 'Z': 2, 'E': 3}
def register_command(self, cmd, func, when_not_ready=False, desc=None):
if func is None:
if cmd in self.ready_gcode_handlers:
del self.ready_gcode_handlers[cmd]
if cmd in self.base_gcode_handlers:
del self.base_gcode_handlers[cmd]
return
if not (len(cmd) >= 2 and not cmd[0].isupper() and cmd[1].isdigit()):
origfunc = func
func = lambda params: origfunc(self.get_extended_params(params))