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787ed452c2
Rename try_load_module() so that it uses consistent naming for "printer objects". Change the function to raise an error by default if the specified module does not exist. Signed-off-by: Kevin O'Connor <kevin@koconnor.net>
55 lines
2.2 KiB
Python
55 lines
2.2 KiB
Python
# A simple timer for executing gcode templates
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#
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# Copyright (C) 2019 Eric Callahan <arksine.code@gmail.com>
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#
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# This file may be distributed under the terms of the GNU GPLv3 license.
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import logging
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class DelayedGcode:
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def __init__(self, config):
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self.printer = config.get_printer()
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self.reactor = self.printer.get_reactor()
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self.name = config.get_name().split()[1]
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self.gcode = self.printer.lookup_object('gcode')
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gcode_macro = self.printer.load_object(config, 'gcode_macro')
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self.timer_gcode = gcode_macro.load_template(config, 'gcode')
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self.duration = config.getfloat('initial_duration', 0., minval=0.)
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self.timer_handler = None
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self.inside_timer = self.repeat = False
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self.printer.register_event_handler("klippy:ready", self._handle_ready)
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self.gcode.register_mux_command(
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"UPDATE_DELAYED_GCODE", "ID", self.name,
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self.cmd_UPDATE_DELAYED_GCODE,
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desc=self.cmd_UPDATE_DELAYED_GCODE_help)
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def _handle_ready(self):
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waketime = self.reactor.NEVER
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if self.duration:
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waketime = self.reactor.monotonic() + self.duration
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self.timer_handler = self.reactor.register_timer(
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self._gcode_timer_event, waketime)
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def _gcode_timer_event(self, eventtime):
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self.inside_timer = True
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try:
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self.gcode.run_script(self.timer_gcode.render())
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except Exception:
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logging.exception("Script running error")
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nextwake = self.reactor.NEVER
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if self.repeat:
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nextwake = eventtime + self.duration
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self.inside_timer = self.repeat = False
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return nextwake
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cmd_UPDATE_DELAYED_GCODE_help = "Update the duration of a delayed_gcode"
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def cmd_UPDATE_DELAYED_GCODE(self, gcmd):
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self.duration = gcmd.get_float('DURATION', minval=0.)
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if self.inside_timer:
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self.repeat = (self.duration != 0.)
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else:
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waketime = self.reactor.NEVER
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if self.duration:
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waketime = self.reactor.monotonic() + self.duration
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self.reactor.update_timer(self.timer_handler, waketime)
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def load_config_prefix(config):
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return DelayedGcode(config)
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