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-# Cura PostProcessingPlugin
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-# Author: Mathias Lyngklip Kjeldgaard, Alexander Gee, Kimmo Toivanen, Inigo Martinez
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-# Date: July 31, 2019
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-# Modified: Nov 30, 2021
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-
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-# Description: This plugin displays progress on the LCD. It can output the estimated time remaining and the completion percentage.
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-
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-from ..Script import Script
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-
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-import re
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-import datetime
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-
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-class DisplayProgressOnLCD(Script):
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-
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- def __init__(self):
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- super().__init__()
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-
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- def getSettingDataString(self):
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- return """{
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- "name": "Display Progress On LCD",
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- "key": "DisplayProgressOnLCD",
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- "metadata": {},
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- "version": 2,
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- "settings":
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- {
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- "time_remaining":
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- {
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- "label": "Time Remaining",
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- "description": "Select to write remaining time to the display.Select to write remaining time on the display using M117 status line message (almost all printers) or using M73 command (Prusa and Marlin 2 if enabled).",
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- "type": "bool",
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- "default_value": false
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- },
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- "time_remaining_method":
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- {
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- "label": "Time Reporting Method",
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- "description": "How should remaining time be shown on the display? It could use a generic message command (M117, almost all printers), or a specialised time remaining command (M73, Prusa and Marlin 2).",
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- "type": "enum",
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- "options": {
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- "m117":"M117 - All printers",
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- "m73":"M73 - Prusa, Marlin 2",
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- "m118":"M118 - Octoprint"
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- },
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- "enabled": "time_remaining",
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- "default_value": "m117"
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- },
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- "update_frequency":
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- {
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- "label": "Update frequency",
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- "description": "Update remaining time for every layer or periodically every minute or faster.",
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- "type": "enum",
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- "options": {"0":"Every layer","15":"Every 15 seconds","30":"Every 30 seconds","60":"Every minute"},
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- "default_value": "0",
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- "enabled": "time_remaining"
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- },
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- "percentage":
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- {
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- "label": "Percentage",
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- "description": "When enabled, set the completion bar percentage on the LCD using Marlin's M73 command.",
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- "type": "bool",
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- "default_value": false
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- }
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- }
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- }"""
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-
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- # Get the time value from a line as a float.
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- # Example line ;TIME_ELAPSED:1234.6789 or ;TIME:1337
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- def getTimeValue(self, line):
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- list_split = re.split(":", line) # Split at ":" so we can get the numerical value
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- return float(list_split[1]) # Convert the numerical portion to a float
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-
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- def outputTime(self, lines, line_index, time_left, mode):
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- # Do some math to get the time left in seconds into the right format. (HH,MM,SS)
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- time_left = max(time_left, 0)
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- m, s = divmod(time_left, 60)
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- h, m = divmod(m, 60)
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- # Create the string
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- if mode == "m117":
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- current_time_string = "{:d}h{:02d}m{:02d}s".format(int(h), int(m), int(s))
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- # And now insert that into the GCODE
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- lines.insert(line_index, "M117 Time Left {}".format(current_time_string))
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- elif mode == "m118":
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- current_time_string = "{:d}h{:02d}m{:02d}s".format(int(h), int(m), int(s))
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- # And now insert that into the GCODE
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- lines.insert(line_index, "M118 A1 P0 action:notification Time Left {}".format(current_time_string))
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- else:
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- mins = int(60 * h + m + s / 30)
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- lines.insert(line_index, "M73 R{}".format(mins))
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-
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- def execute(self, data):
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- output_time = self.getSettingValueByKey("time_remaining")
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- output_time_method = self.getSettingValueByKey("time_remaining_method")
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- output_frequency = int(self.getSettingValueByKey("update_frequency"))
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- output_percentage = self.getSettingValueByKey("percentage")
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- line_set = {}
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- if output_percentage or output_time:
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- total_time = -1
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- previous_layer_end_percentage = 0
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- previous_layer_end_time = 0
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- for layer in data:
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- layer_index = data.index(layer)
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- lines = layer.split("\n")
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-
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- for line in lines:
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- if (line.startswith(";TIME:") or line.startswith(";PRINT.TIME:")) and total_time == -1:
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- # This line represents the total time required to print the gcode
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- total_time = self.getTimeValue(line)
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- line_index = lines.index(line)
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-
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- # In the beginning we may have 2 M73 lines, but it makes logic less complicated
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- if output_time:
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- self.outputTime(lines, line_index, total_time, output_time_method)
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-
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- if output_percentage:
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- # Emit 0 percent to sure Marlin knows we are overriding the completion percentage
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- if output_time_method == "m118":
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- lines.insert(line_index, "M118 A1 P0 action:notification Data Left 0/100")
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- else:
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- lines.insert(line_index, "M73 P0")
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-
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- elif line.startswith(";TIME_ELAPSED:"):
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- # We've found one of the time elapsed values which are added at the end of layers
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-
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- # If we have seen this line before then skip processing it. We can see lines multiple times because we are adding
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- # intermediate percentages before the line being processed. This can cause the current line to shift back and be
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- # encountered more than once
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- if line in line_set:
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- continue
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- line_set[line] = True
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-
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- # If total_time was not already found then noop
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- if total_time == -1:
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- continue
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-
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- current_time = self.getTimeValue(line)
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- line_index = lines.index(line)
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-
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- if output_time:
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- if output_frequency == 0:
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- # Here we calculate remaining time
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- self.outputTime(lines, line_index, total_time - current_time, output_time_method)
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- else:
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- # Here we calculate remaining time and how many outputs are expected for the layer
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- layer_time_delta = int(current_time - previous_layer_end_time)
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- layer_step_delta = int((current_time - previous_layer_end_time) / output_frequency)
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- # If this layer represents less than 1 step then we don't need to emit anything, continue to the next layer
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- if layer_step_delta != 0:
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- # Grab the index of the current line and figure out how many lines represent one second
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- step = line_index / layer_time_delta
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- # Move new lines further as we add new lines above it
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- lines_added = 1
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- # Run through layer in seconds
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- for seconds in range(1, layer_time_delta + 1):
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- # Time from start to decide when to update
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- line_time = int(previous_layer_end_time + seconds)
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- # Output every X seconds and after last layer
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- if line_time % output_frequency == 0 or line_time == total_time:
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- # Line to add the output
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- time_line_index = int((seconds * step) + lines_added)
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-
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- # Insert remaining time into the GCODE
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- self.outputTime(lines, time_line_index, total_time - line_time, output_time_method)
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- # Next line will be again lower
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- lines_added = lines_added + 1
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-
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- previous_layer_end_time = int(current_time)
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-
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- if output_percentage:
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- # Calculate percentage value this layer ends at
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- layer_end_percentage = int((current_time / total_time) * 100)
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-
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- # Figure out how many percent of the total time is spent in this layer
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- layer_percentage_delta = layer_end_percentage - previous_layer_end_percentage
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-
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- # If this layer represents less than 1 percent then we don't need to emit anything, continue to the next layer
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- if layer_percentage_delta != 0:
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- # Grab the index of the current line and figure out how many lines represent one percent
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- step = line_index / layer_percentage_delta
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-
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- for percentage in range(1, layer_percentage_delta + 1):
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- # We add the percentage value here as while processing prior lines we will have inserted
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- # percentage lines before the current one. Failing to do this will upset the spacing
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- percentage_line_index = int((percentage * step) + percentage)
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-
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- # Due to integer truncation of the total time value in the gcode the percentage we
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- # calculate may slightly exceed 100, as that is not valid we cap the value here
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- output = min(percentage + previous_layer_end_percentage, 100)
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-
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- # Now insert the sanitized percentage into the GCODE
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- if output_time_method == "m118":
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- lines.insert(percentage_line_index, "M118 A1 P0 action:notification Data Left {}/100".format(output))
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- else:
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- lines.insert(percentage_line_index, "M73 P{}".format(output))
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-
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- previous_layer_end_percentage = layer_end_percentage
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-
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- # Join up the lines for this layer again and store them in the data array
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- data[layer_index] = "\n".join(lines)
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- return data
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