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Never send empty/whitespace only commands

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Gina Häußge 2015-08-13 13:09:06 +02:00
parent 84b343a751
commit 7dfa6ae4bd
1 changed files with 4 additions and 0 deletions
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4
src/octoprint/util/comm.py
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@ -1598,6 +1598,10 @@ class MachineCom(object):
# so no, we are not going to send this, that was a last-minute bail, let's fetch the next item from the queue
continue
if command.strip() == "":
self._logger.info("Refusing to send an empty line to the printer")
continue
# now comes the part where we increase line numbers and send stuff - no turning back now
command_requiring_checksum = gcode is not None and gcode in self._checksum_requiring_commands
command_allowing_checksum = gcode is not None or self._sendChecksumWithUnknownCommands