Merge branch 'master' into fix_tests_cura_engine_backend

cura/Backups/Backup.py

@@ -1,12 +1,13 @@
 # Copyright (c) 2018 Ultimaker B.V.
 # Cura is released under the terms of the LGPLv3 or higher.
+
 import io
 import os
 import re
 
 import shutil
 
-from typing import Optional
+from typing import Dict, Optional
 from zipfile import ZipFile, ZIP_DEFLATED, BadZipfile
 
 from UM import i18nCatalog
@@ -28,9 +29,9 @@ class Backup:
     # Re-use translation catalog.
     catalog = i18nCatalog("cura")
 
-    def __init__(self, zip_file: bytes = None, meta_data: dict = None) -> None:
+    def __init__(self, zip_file: bytes = None, meta_data: Dict[str, str] = None) -> None:
         self.zip_file = zip_file  # type: Optional[bytes]
-        self.meta_data = meta_data  # type: Optional[dict]
+        self.meta_data = meta_data  # type: Optional[Dict[str, str]]
 
     ##  Create a back-up from the current user config folder.
     def makeFromCurrent(self) -> None:

cura/Backups/BackupsManager.py

@@ -1,6 +1,7 @@
 # Copyright (c) 2018 Ultimaker B.V.
 # Cura is released under the terms of the LGPLv3 or higher.
-from typing import Optional, Tuple
+
+from typing import Dict, Optional, Tuple
 
 from UM.Logger import Logger
 from cura.Backups.Backup import Backup
@@ -18,7 +19,7 @@ class BackupsManager:
     ##  Get a back-up of the current configuration.
     #   \return A tuple containing a ZipFile (the actual back-up) and a dict
     #   containing some metadata (like version).
-    def createBackup(self) -> Tuple[Optional[bytes], Optional[dict]]:
+    def createBackup(self) -> Tuple[Optional[bytes], Optional[Dict[str, str]]]:
         self._disableAutoSave()
         backup = Backup()
         backup.makeFromCurrent()
@@ -30,7 +31,7 @@ class BackupsManager:
     #   \param zip_file A bytes object containing the actual back-up.
     #   \param meta_data A dict containing some metadata that is needed to
     #   restore the back-up correctly.
-    def restoreBackup(self, zip_file: bytes, meta_data: dict) -> None:
+    def restoreBackup(self, zip_file: bytes, meta_data: Dict[str, str]) -> None:
         if not meta_data.get("cura_release", None):
             # If there is no "cura_release" specified in the meta data, we don't execute a backup restore.
             Logger.log("w", "Tried to restore a backup without specifying a Cura version number.")
@@ -43,13 +44,13 @@ class BackupsManager:
         if restored:
             # At this point, Cura will need to restart for the changes to take effect.
             # We don't want to store the data at this point as that would override the just-restored backup.
-            self._application.windowClosed(save_data=False)
+            self._application.windowClosed(save_data = False)
 
     ##  Here we try to disable the auto-save plug-in as it might interfere with
     #   restoring a back-up.
-    def _disableAutoSave(self):
+    def _disableAutoSave(self) -> None:
         self._application.setSaveDataEnabled(False)
 
     ##  Re-enable auto-save after we're done.
-    def _enableAutoSave(self):
+    def _enableAutoSave(self) -> None:
         self._application.setSaveDataEnabled(True)

cura/BuildVolume.py

@@ -47,10 +47,10 @@ class BuildVolume(SceneNode):
         self._disallowed_area_color = None
         self._error_area_color = None
 
-        self._width = 0
-        self._height = 0
-        self._depth = 0
-        self._shape = ""
+        self._width = 0 #type: float
+        self._height = 0 #type: float
+        self._depth = 0 #type: float
+        self._shape = "" #type: str
 
         self._shader = None
 
@@ -154,19 +154,19 @@ class BuildVolume(SceneNode):
         if active_extruder_changed is not None:
             active_extruder_changed.connect(self._updateDisallowedAreasAndRebuild)
 
-    def setWidth(self, width):
+    def setWidth(self, width: float) -> None:
         if width is not None:
             self._width = width
 
-    def setHeight(self, height):
+    def setHeight(self, height: float) -> None:
         if height is not None:
             self._height = height
 
-    def setDepth(self, depth):
+    def setDepth(self, depth: float) -> None:
         if depth is not None:
             self._depth = depth
 
-    def setShape(self, shape: str):
+    def setShape(self, shape: str) -> None:
         if shape:
             self._shape = shape
 
@@ -294,7 +294,7 @@ class BuildVolume(SceneNode):
         if not self._width or not self._height or not self._depth:
             return
 
-        if not self._application._qml_engine:
+        if not self._engine_ready:
             return
 
         if not self._volume_outline_color:

cura_app.py

@@ -12,14 +12,14 @@ from UM.Platform import Platform
 
 parser = argparse.ArgumentParser(prog = "cura",
                                  add_help = False)
-parser.add_argument('--debug',
-                    action='store_true',
+parser.add_argument("--debug",
+                    action="store_true",
                     default = False,
                     help = "Turn on the debug mode by setting this option."
                     )
-parser.add_argument('--trigger-early-crash',
-                    dest = 'trigger_early_crash',
-                    action = 'store_true',
+parser.add_argument("--trigger-early-crash",
+                    dest = "trigger_early_crash",
+                    action = "store_true",
                     default = False,
                     help = "FOR TESTING ONLY. Trigger an early crash to show the crash dialog."
                     )

plugins/GCodeReader/FlavorParser.py

@@ -286,9 +286,11 @@ class FlavorParser:
         self._cancelled = False
         # We obtain the filament diameter from the selected extruder to calculate line widths
         global_stack = CuraApplication.getInstance().getGlobalContainerStack()
+        
+        if not global_stack:
+            return None
 
-        if global_stack:
-            self._filament_diameter = global_stack.extruders[str(self._extruder_number)].getProperty("material_diameter", "value")
+        self._filament_diameter = global_stack.extruders[str(self._extruder_number)].getProperty("material_diameter", "value")
 
         scene_node = CuraSceneNode()
 

plugins/PostProcessingPlugin/scripts/PauseAtHeight.py

@@ -247,57 +247,57 @@ class PauseAtHeight(Script):
                 prepend_gcode += ";added code by post processing\n"
                 prepend_gcode += ";script: PauseAtHeight.py\n"
                 if pause_at == "height":
-                    prepend_gcode += ";current z: {z}\n".format(z=current_z)
-                    prepend_gcode += ";current height: {height}\n".format(height=current_height)
+                    prepend_gcode += ";current z: {z}\n".format(z = current_z)
+                    prepend_gcode += ";current height: {height}\n".format(height = current_height)
                 else:
-                    prepend_gcode += ";current layer: {layer}\n".format(layer=current_layer)
+                    prepend_gcode += ";current layer: {layer}\n".format(layer = current_layer)
 
                 # Retraction
-                prepend_gcode += self.putValue(M=83) + "\n"
+                prepend_gcode += self.putValue(M = 83) + "\n"
                 if retraction_amount != 0:
-                    prepend_gcode += self.putValue(G=1, E=-retraction_amount, F=retraction_speed * 60) + "\n"
+                    prepend_gcode += self.putValue(G = 1, E = -retraction_amount, F = retraction_speed * 60) + "\n"
 
                 # Move the head away
-                prepend_gcode += self.putValue(G=1, Z=current_z + 1, F=300) + "\n"
+                prepend_gcode += self.putValue(G = 1, Z = current_z + 1, F = 300) + "\n"
 
                 # This line should be ok
-                prepend_gcode += self.putValue(G=1, X=park_x, Y=park_y, F=9000) + "\n"
+                prepend_gcode += self.putValue(G = 1, X = park_x, Y = park_y, F = 9000) + "\n"
 
                 if current_z < 15:
-                    prepend_gcode += self.putValue(G=1, Z=15, F=300) + "\n"
+                    prepend_gcode += self.putValue(G = 1, Z = 15, F = 300) + "\n"
 
                 # Set extruder standby temperature
-                prepend_gcode += self.putValue(M=104, S=standby_temperature) + "; standby temperature\n"
+                prepend_gcode += self.putValue(M = 104, S = standby_temperature) + "; standby temperature\n"
 
                 # Wait till the user continues printing
-                prepend_gcode += self.putValue(M=0) + ";Do the actual pause\n"
+                prepend_gcode += self.putValue(M = 0) + ";Do the actual pause\n"
 
                 # Set extruder resume temperature
                 prepend_gcode += self.putValue(M = 109, S = int(target_temperature.get(current_t, 0))) + "; resume temperature\n"
 
                 # Push the filament back,
                 if retraction_amount != 0:
-                    prepend_gcode += self.putValue(G=1, E=retraction_amount, F=retraction_speed * 60) + "\n"
+                    prepend_gcode += self.putValue(G = 1, E = retraction_amount, F = retraction_speed * 60) + "\n"
 
                 # Optionally extrude material
                 if extrude_amount != 0:
-                    prepend_gcode += self.putValue(G=1, E=extrude_amount, F=extrude_speed * 60) + "\n"
+                    prepend_gcode += self.putValue(G = 1, E = extrude_amount, F = extrude_speed * 60) + "\n"
 
                 # and retract again, the properly primes the nozzle
                 # when changing filament.
                 if retraction_amount != 0:
-                    prepend_gcode += self.putValue(G=1, E=-retraction_amount, F=retraction_speed * 60) + "\n"
+                    prepend_gcode += self.putValue(G = 1, E = -retraction_amount, F = retraction_speed * 60) + "\n"
 
                 # Move the head back
-                prepend_gcode += self.putValue(G=1, Z=current_z + 1, F=300) + "\n"
-                prepend_gcode += self.putValue(G=1, X=x, Y=y, F=9000) + "\n"
+                prepend_gcode += self.putValue(G = 1, Z = current_z + 1, F = 300) + "\n"
+                prepend_gcode += self.putValue(G = 1, X = x, Y = y, F = 9000) + "\n"
                 if retraction_amount != 0:
-                    prepend_gcode += self.putValue(G=1, E=retraction_amount, F=retraction_speed * 60) + "\n"
-                prepend_gcode += self.putValue(G=1, F=9000) + "\n"
-                prepend_gcode += self.putValue(M=82) + "\n"
+                    prepend_gcode += self.putValue(G = 1, E = retraction_amount, F = retraction_speed * 60) + "\n"
+                prepend_gcode += self.putValue(G = 1, F = 9000) + "\n"
+                prepend_gcode += self.putValue(M = 82) + "\n"
 
                 # reset extrude value to pre pause value
-                prepend_gcode += self.putValue(G=92, E=current_e) + "\n"
+                prepend_gcode += self.putValue(G = 92, E = current_e) + "\n"
 
                 layer = prepend_gcode + layer
 

plugins/Toolbox/resources/qml/ToolboxCompatibilityChart.qml

@@ -76,11 +76,26 @@ Item
             }
         }
 
+        Component
+        {
+            id: columnTextDelegate
+            Label
+            {
+                anchors.fill: parent
+                verticalAlignment: Text.AlignVCenter
+                text: styleData.value || ""
+                elide: Text.ElideRight
+                color: UM.Theme.getColor("text_medium")
+                font: UM.Theme.getFont("default")
+            }
+        }
+
         TableViewColumn
         {
             role: "machine"
             title: "Machine"
             width: Math.floor(table.width * 0.25)
+            delegate: columnTextDelegate
         }
         TableViewColumn
         {

plugins/Toolbox/resources/qml/ToolboxFooter.qml

@@ -15,6 +15,7 @@ Item
     Label
     {
         text: catalog.i18nc("@info", "You will need to restart Cura before changes in packages have effect.")
+        color: UM.Theme.getColor("text")
         height: Math.floor(UM.Theme.getSize("toolbox_footer_button").height)
         verticalAlignment: Text.AlignVCenter
         anchors
@@ -25,7 +26,7 @@ Item
             right: restartButton.right
             rightMargin: UM.Theme.getSize("default_margin").width
         }
-        color: UM.Theme.getColor("text")
+     
     }
     Button
     {

plugins/Toolbox/src/Toolbox.py

@@ -224,6 +224,11 @@ class Toolbox(QObject, Extension):
 
         if not self._dialog:
             self._dialog = self._createDialog("Toolbox.qml")
+
+        if not self._dialog:
+            Logger.log("e", "Unexpected error trying to create the 'Toolbox' dialog.")
+            return
+
         self._dialog.show()
 
         # Apply enabled/disabled state to installed plugins
@@ -231,9 +236,11 @@ class Toolbox(QObject, Extension):
 
     def _createDialog(self, qml_name: str) -> QObject:
         Logger.log("d", "Toolbox: Creating dialog [%s].", qml_name)
-        path = os.path.join(cast(str, PluginRegistry.getInstance().getPluginPath(self.getPluginId())), "resources", "qml", qml_name)
-        if not path:
-            raise Exception("Failed to create toolbox QML path")
+        plugin_path = PluginRegistry.getInstance().getPluginPath(self.getPluginId())
+        if not plugin_path:
+            return None
+        path = os.path.join(plugin_path, "resources", "qml", qml_name)
+        
         dialog = self._application.createQmlComponent(path, {"toolbox": self})
         if not dialog:
             raise Exception("Failed to create toolbox dialog")

plugins/UM3NetworkPrinting/ClusterUM3OutputDevice.py

@@ -128,6 +128,10 @@ class ClusterUM3OutputDevice(NetworkedPrinterOutputDevice):
         else:
             writer = CuraApplication.getInstance().getMeshFileHandler().getWriterByMimeType(cast(str, preferred_format["mime_type"]))
 
+        if not writer:
+            Logger.log("e", "Unexpected error when trying to get the FileWriter")
+            return
+
         #This function pauses with the yield, waiting on instructions on which printer it needs to print with.
         if not writer:
             Logger.log("e", "Missing file or mesh writer!")