Add pause script emotiontech

plugins/PostProcessingPlugin/scripts/Pause_emt.py

@@ -0,0 +1,68 @@
+# Copyright (c) 2019 Ultimaker B.V.
+# The PostProcessingPlugin is released under the terms of the AGPLv3 or higher.
+
+from typing import Optional, Tuple
+
+from UM.Logger import Logger
+from ..Script import Script
+
+class Pause_emt(Script):
+
+    _layer_keyword = ";LAYER:"
+
+    def __init__(self):
+        super().__init__()
+
+    def getSettingDataString(self):
+        return """{
+            "name":"Pause (eMotionTech Printers)",
+            "key": "Pause_emt",
+            "metadata": {},
+            "version": 2,
+            "settings":
+            {
+                "layer_number":
+                {
+                    "label": "Layer",
+                    "description": "At what layer should pause occur. This will be before the layer starts printing.",
+                    "unit": "",
+                    "type": "str",
+                    "default_value": "1"
+                }
+            }
+        }"""
+
+    def execute(self, data: list):
+
+        """data is a list. Each index contains a layer"""
+        layer_nums = self.getSettingValueByKey("layer_number")
+
+        pause = "M600"
+        pause = pause + " ; Generated by PauseStrateo3d plugin"
+
+        layer_targets = layer_nums.split(",")
+        if len(layer_targets) > 0:
+            for layer_num in layer_targets:
+                layer_num = int(layer_num.strip())
+                if layer_num <= len(data):
+                    index, layer_data = self._searchLayerData(data, layer_num - 1)
+                    if layer_data is None:
+                        Logger.log("e", "Layer not found")
+                        continue
+                    lines = layer_data.split("\n")
+                    lines.insert(2, pause)
+                    final_line = "\n".join(lines)
+                    data[index] = final_line
+        return data
+
+    ##  This method returns the data corresponding with the indicated layer number, looking in the gcode for
+    #   the occurrence of this layer number.
+    def _searchLayerData(self, data: list, layer_num: int) -> Tuple[int, Optional[str]]:
+        for index, layer_data in enumerate(data):
+            first_line = layer_data.split("\n")[0]
+            # The first line should contain the layer number at the beginning.
+            if first_line[:len(self._layer_keyword)] == self._layer_keyword:
+                # If found the layer that we are looking for, then return the data
+                if first_line[len(self._layer_keyword):] == str(layer_num):
+                    return index, layer_data
+        return 0, None