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respond: An extra for sending messages to the printer host. (#1053)

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I have made one change to `gcode.py` to support quoted parameter
values.

I have added support for the basic `M118` command (see
https://reprap.org/wiki/G-code#M118:_Echo_message_on_host). I have
also added a `RESPOND` command that takes extended parameters.
`ECHO` might be a better name than `RESPOND` but is already defined
in `gcode.py`.

Signed-off-by: Alec B. Plumb <alec@etherwalker.com>
This commit is contained in:
Alec B. Plumb 2019-01-02 14:45:35 -08:00 • committed by KevinOConnor
parent f6c9150349
commit 59e9b6562f
4 changed files with 81 additions and 2 deletions
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4
klippy/gcode.py
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@ -3,7 +3,7 @@
# Copyright (C) 2016-2018 Kevin O'Connor <kevin@koconnor.net>
#
# This file may be distributed under the terms of the GNU GPLv3 license.
import os, re, logging, collections
import os, re, logging, collections, shlex
import homing, kinematics.extruder
class error(Exception):
@ -356,7 +356,7 @@ class GCodeParser:
return params
eargs = m.group('args')
try:
eparams = [earg.split('=', 1) for earg in eargs.split()]
eparams = [earg.split('=', 1) for earg in shlex.split(eargs)]
eparams = { k.upper(): v for k, v in eparams }
eparams.update({k: params[k] for k in params if k.startswith('#')})
return eparams