diff options
| -rw-r--r-- | klippy/gcode.py | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/klippy/gcode.py b/klippy/gcode.py index 15ab624a..ee2a09d9 100644 --- a/klippy/gcode.py +++ b/klippy/gcode.py @@ -133,6 +133,10 @@ class GCodeDispatch: raise self.printer.config_error( "gcode command %s already registered" % (cmd,)) if not self.is_traditional_gcode(cmd): + if (cmd.upper() != cmd or not cmd.replace('_', 'A').isalnum() + or cmd[0].isdigit() or cmd[1:2].isdigit()): + raise self.printer.config_error( + "Can't register '%s' as it is an invalid name" % (cmd,)) origfunc = func func = lambda params: origfunc(self._get_extended_params(params)) self.ready_gcode_handlers[cmd] = func |