Rat Rig Community [Unofficial]•2y ago

Trouble with [save_variables] on 2.0

In previous ratOS I had a couple of macros for adjusting my z-offset between smooth and textured plate using a variables.stb file. I just upgraded to 2.0 and am getting errors when trying to use the macros. My macros are as follows:

filename: /home/pi/klipper/config/variables.stb

[gcode_macro SMOOTH_PLATE]
gcode:
  {% set value = printer.save_variables.variables.smooth %}
  SAVE_VARIABLE VARIABLE=active_offset VALUE={value}
  {action_respond_info("Smooth sheet active with offset %.3fmm" % (value))}
[gcode_macro  TEXTURED_PLATE]
gcode:
  {% set value = printer.save_variables.variables.textured %}
  SAVE_VARIABLE VARIABLE=active_offset VALUE={value}
  {action_respond_info("Textured sheet active with offset %.3fmm" % (value))}
[gcode_macro APPLY_PLATE_OFFSET]
gcode:
  {% set active_offset = printer.save_variables.variables.active_offset %}
  SET_GCODE_OFFSET Z={active_offset} MOVE=1
  {action_respond_info("Current Z offset %.3fmm" % (active_offset))}

filename: /home/pi/klipper/config/variables.stb

[gcode_macro SMOOTH_PLATE]
gcode:
  {% set value = printer.save_variables.variables.smooth %}
  SAVE_VARIABLE VARIABLE=active_offset VALUE={value}
  {action_respond_info("Smooth sheet active with offset %.3fmm" % (value))}
[gcode_macro  TEXTURED_PLATE]
gcode:
  {% set value = printer.save_variables.variables.textured %}
  SAVE_VARIABLE VARIABLE=active_offset VALUE={value}
  {action_respond_info("Textured sheet active with offset %.3fmm" % (value))}
[gcode_macro APPLY_PLATE_OFFSET]
gcode:
  {% set active_offset = printer.save_variables.variables.active_offset %}
  SET_GCODE_OFFSET Z={active_offset} MOVE=1
  {action_respond_info("Current Z offset %.3fmm" % (active_offset))}

and the variables.stb file is simple:

  active_offset = 0.0
  smooth = 0.0
  textured = -0.335

  active_offset = 0.0
  smooth = 0.0
  textured = -0.335

The error I get when trying to select my plate is:

Error evaluating 'gcode_macro SMOOTH_PLATE:gcode': jinja2.exceptions.UndefinedError: 'dict object' has no attribute 'smooth'

Error evaluating 'gcode_macro SMOOTH_PLATE:gcode': jinja2.exceptions.UndefinedError: 'dict object' has no attribute 'smooth'

Any help would be great! Or if there is a better build in way to do this now that would be awesome too!

3 Replies

miklschmidt•2y ago

That's because save variables doesn't work unless the file is present on the system. Just create variables.stb in /home/pi/printer_data/config/variables.stb, and change the filename under [save_variables] to reflect the path. That path was never valid in the first place. ie you want:

[save_variables]
filename: /home/pi/printer_data/config/variables.stb

[save_variables]
filename: /home/pi/printer_data/config/variables.stb

RubbyOP•2y ago

Ah I did have the variables.stb present in the config folder but yes I had the directory wrong. I have changed the path under [save_variables] and it works! Thanks for the quick fix!

miklschmidt•2y ago

you're welcome! 🙂

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Trouble with [save_variables] on 2.0