Merge remote-tracking branch 'upstream/master' into dagoma_discoultimate

cmake/CuraTests.cmake

@@ -56,6 +56,13 @@ function(cura_add_test)
     endif()
 endfunction()
 
+#Add test for import statements which are not compatible with all builds
+add_test(
+    NAME "invalid-imports"
+    COMMAND ${Python3_EXECUTABLE} scripts/check_invalid_imports.py
+    WORKING_DIRECTORY ${CMAKE_SOURCE_DIR}
+)
+
 cura_add_test(NAME pytest-main DIRECTORY ${CMAKE_SOURCE_DIR}/tests PYTHONPATH "${CMAKE_SOURCE_DIR}|${URANIUM_DIR}")
 
 file(GLOB_RECURSE _plugins plugins/*/__init__.py)

cura/API/__init__.py

@@ -28,11 +28,12 @@ class CuraAPI(QObject):
     #   The main reason for this is that we want to prevent consumers of API to have a dependency on CuraApplication.
     #   Since the API is intended to be used by plugins, the cura application should have already created this.
     def __new__(cls, application: Optional["CuraApplication"] = None):
-        if cls.__instance is None:
-            if application is None:
-                raise Exception("Upon first time creation, the application must be set.")
-            cls.__instance = super(CuraAPI, cls).__new__(cls)
-            cls._application = application
+        if cls.__instance is not None:
+            raise RuntimeError("Tried to create singleton '{class_name}' more than once.".format(class_name = CuraAPI.__name__))
+        if application is None:
+            raise RuntimeError("Upon first time creation, the application must be set.")
+        cls.__instance = super(CuraAPI, cls).__new__(cls)
+        cls._application = application
         return cls.__instance
 
     def __init__(self, application: Optional["CuraApplication"] = None) -> None:

cura/Backups/Backup.py

@@ -145,6 +145,14 @@ class Backup:
     #   \return Whether we had success or not.
     @staticmethod
     def _extractArchive(archive: "ZipFile", target_path: str) -> bool:
+
+        # Implement security recommendations: Sanity check on zip files will make it harder to spoof.
+        from cura.CuraApplication import CuraApplication
+        config_filename = CuraApplication.getInstance().getApplicationName() + ".cfg"  # Should be there if valid.
+        if config_filename not in [file.filename for file in archive.filelist]:
+            Logger.logException("e", "Unable to extract the backup due to corruption of compressed file(s).")
+            return False
+
         Logger.log("d", "Removing current data in location: %s", target_path)
         Resources.factoryReset()
         Logger.log("d", "Extracting backup to location: %s", target_path)

cura/CuraApplication.py

@@ -1,4 +1,4 @@
-# Copyright (c) 2019 Ultimaker B.V.
+# Copyright (c) 2020 Ultimaker B.V.
 # Cura is released under the terms of the LGPLv3 or higher.
 
 import os
@@ -191,8 +191,6 @@ class CuraApplication(QtApplication):
 
         self._cura_formula_functions = None  # type: Optional[CuraFormulaFunctions]
 
-        self._cura_package_manager = None
-
         self._machine_action_manager = None  # type: Optional[MachineActionManager.MachineActionManager]
 
         self.empty_container = None  # type: EmptyInstanceContainer
@@ -632,6 +630,12 @@ class CuraApplication(QtApplication):
     def showPreferences(self) -> None:
         self.showPreferencesWindow.emit()
 
+    # This is called by drag-and-dropping curapackage files.
+    @pyqtSlot(QUrl)
+    def installPackageViaDragAndDrop(self, file_url: str) -> Optional[str]:
+        filename = QUrl(file_url).toLocalFile()
+        return self._package_manager.installPackage(filename)
+
     @override(Application)
     def getGlobalContainerStack(self) -> Optional["GlobalStack"]:
         return self._global_container_stack
@@ -1827,15 +1831,21 @@ class CuraApplication(QtApplication):
 
     def _onContextMenuRequested(self, x: float, y: float) -> None:
         # Ensure we select the object if we request a context menu over an object without having a selection.
-        if not Selection.hasSelection():
-            node = self.getController().getScene().findObject(cast(SelectionPass, self.getRenderer().getRenderPass("selection")).getIdAtPosition(x, y))
-            if node:
-                parent = node.getParent()
-                while(parent and parent.callDecoration("isGroup")):
-                    node = parent
-                    parent = node.getParent()
+        if Selection.hasSelection():
+            return
+        selection_pass = cast(SelectionPass, self.getRenderer().getRenderPass("selection"))
+        if not selection_pass:  # If you right-click before the rendering has been initialised there might not be a selection pass yet.
+            print("--------------ding! Got the crash.")
+            return
+        node = self.getController().getScene().findObject(selection_pass.getIdAtPosition(x, y))
+        if not node:
+            return
+        parent = node.getParent()
+        while parent and parent.callDecoration("isGroup"):
+            node = parent
+            parent = node.getParent()
 
-                Selection.add(node)
+        Selection.add(node)
 
     @pyqtSlot()
     def showMoreInformationDialogForAnonymousDataCollection(self):

cura/OAuth2/AuthorizationHelpers.py

@@ -115,9 +115,10 @@ class AuthorizationHelpers:
         )
 
     @staticmethod
-    ##  Generate a 16-character verification code.
-    #   \param code_length: How long should the code be?
-    def generateVerificationCode(code_length: int = 16) -> str:
+    ##  Generate a verification code of arbitrary length.
+    #   \param code_length: How long should the code be? This should never be lower than 16, but it's probably better to
+    #   leave it at 32
+    def generateVerificationCode(code_length: int = 32) -> str:
         return "".join(random.choice("0123456789ABCDEF") for i in range(code_length))
 
     @staticmethod

cura/OAuth2/AuthorizationRequestHandler.py

@@ -25,6 +25,8 @@ class AuthorizationRequestHandler(BaseHTTPRequestHandler):
         self.authorization_callback = None  # type: Optional[Callable[[AuthenticationResponse], None]]
         self.verification_code = None  # type: Optional[str]
 
+        self.state = None  # type: Optional[str]
+
     # CURA-6609: Some browser seems to issue a HEAD instead of GET request as the callback.
     def do_HEAD(self) -> None:
         self.do_GET()
@@ -58,7 +60,14 @@ class AuthorizationRequestHandler(BaseHTTPRequestHandler):
     #   \return HTTP ResponseData containing a success page to show to the user.
     def _handleCallback(self, query: Dict[Any, List]) -> Tuple[ResponseData, Optional[AuthenticationResponse]]:
         code = self._queryGet(query, "code")
-        if code and self.authorization_helpers is not None and self.verification_code is not None:
+        state = self._queryGet(query, "state")
+        if state != self.state:
+            token_response = AuthenticationResponse(
+                success = False,
+                err_message=catalog.i18nc("@message",
+                                          "The provided state is not correct.")
+            )
+        elif code and self.authorization_helpers is not None and self.verification_code is not None:
             # If the code was returned we get the access token.
             token_response = self.authorization_helpers.getAccessTokenUsingAuthorizationCode(
                 code, self.verification_code)

cura/OAuth2/AuthorizationRequestServer.py

@@ -25,3 +25,6 @@ class AuthorizationRequestServer(HTTPServer):
     ##  Set the verification code on the request handler.
     def setVerificationCode(self, verification_code: str) -> None:
         self.RequestHandlerClass.verification_code = verification_code  # type: ignore
+
+    def setState(self, state: str) -> None:
+        self.RequestHandlerClass.state = state  # type: ignore

cura/OAuth2/AuthorizationService.py

@@ -153,13 +153,15 @@ class AuthorizationService:
         verification_code = self._auth_helpers.generateVerificationCode()
         challenge_code = self._auth_helpers.generateVerificationCodeChallenge(verification_code)
 
+        state = AuthorizationHelpers.generateVerificationCode()
+
         # Create the query string needed for the OAuth2 flow.
         query_string = urlencode({
             "client_id": self._settings.CLIENT_ID,
             "redirect_uri": self._settings.CALLBACK_URL,
             "scope": self._settings.CLIENT_SCOPES,
             "response_type": "code",
-            "state": "(.Y.)",
+            "state": state,  # Forever in our Hearts, RIP "(.Y.)" (2018-2020)
             "code_challenge": challenge_code,
             "code_challenge_method": "S512"
         })
@@ -168,7 +170,7 @@ class AuthorizationService:
         QDesktopServices.openUrl(QUrl("{}?{}".format(self._auth_url, query_string)))
 
         # Start a local web server to receive the callback URL on.
-        self._server.start(verification_code)
+        self._server.start(verification_code, state)
 
     ##  Callback method for the authentication flow.
     def _onAuthStateChanged(self, auth_response: AuthenticationResponse) -> None:

cura/OAuth2/LocalAuthorizationServer.py

@@ -36,7 +36,8 @@ class LocalAuthorizationServer:
 
     ##  Starts the local web server to handle the authorization callback.
     #   \param verification_code The verification code part of the OAuth2 client identification.
-    def start(self, verification_code: str) -> None:
+    #   \param state The unique state code (to ensure that the request we get back is really from the server.
+    def start(self, verification_code: str, state: str) -> None:
         if self._web_server:
             # If the server is already running (because of a previously aborted auth flow), we don't have to start it.
             # We still inject the new verification code though.
@@ -53,6 +54,7 @@ class LocalAuthorizationServer:
         self._web_server.setAuthorizationHelpers(self._auth_helpers)
         self._web_server.setAuthorizationCallback(self._auth_state_changed_callback)
         self._web_server.setVerificationCode(verification_code)
+        self._web_server.setState(state)
 
         # Start the server on a new thread.
         self._web_server_thread = threading.Thread(None, self._web_server.serve_forever, daemon = self._daemon)

cura/Settings/MachineManager.py

@@ -747,6 +747,11 @@ class MachineManager(QObject):
         result = []  # type: List[str]
         for setting_instance in container.findInstances():
             setting_key = setting_instance.definition.key
+            if setting_key == "print_sequence":
+                old_value = container.getProperty(setting_key, "value")
+                Logger.log("d", "Reset setting [%s] in [%s] because its old value [%s] is no longer valid", setting_key, container, old_value)
+                result.append(setting_key)
+                continue
             if not self._global_container_stack.getProperty(setting_key, "type") in ("extruder", "optional_extruder"):
                 continue
 

cura_app.py

@@ -29,9 +29,13 @@ parser.add_argument("--debug",
 known_args = vars(parser.parse_known_args()[0])
 
 if with_sentry_sdk:
-    sentry_env = "production"
-    if ApplicationMetadata.CuraVersion == "master":
+    sentry_env = "unknown"  # Start off with a "IDK"
+    if hasattr(sys, "frozen"):
+        sentry_env = "production"  # A frozen build is a "real" distribution.
+    elif ApplicationMetadata.CuraVersion == "master":
         sentry_env = "development"
+    elif "beta" in ApplicationMetadata.CuraVersion or "BETA" in ApplicationMetadata.CuraVersion:
+        sentry_env = "beta"
     try:
         if ApplicationMetadata.CuraVersion.split(".")[2] == "99":
             sentry_env = "nightly"

docker/build.sh

@@ -13,6 +13,8 @@ export PKG_CONFIG_PATH="${CURA_BUILD_ENV_PATH}/lib/pkgconfig:${PKG_CONFIG_PATH}"
 
 cd "${PROJECT_DIR}"
 
+
+
 #
 # Clone Uranium and set PYTHONPATH first
 #

plugins/3MFReader/ThreeMFWorkspaceReader.py

@@ -4,7 +4,8 @@
 from configparser import ConfigParser
 import zipfile
 import os
-from typing import cast, Dict, List, Optional, Tuple
+import json
+from typing import cast, Dict, List, Optional, Tuple, Any
 
 import xml.etree.ElementTree as ET
 
@@ -732,7 +733,25 @@ class ThreeMFWorkspaceReader(WorkspaceReader):
 
         base_file_name = os.path.basename(file_name)
         self.setWorkspaceName(base_file_name)
-        return nodes
+
+        return nodes, self._loadMetadata(file_name)
+
+    @staticmethod
+    def _loadMetadata(file_name: str) -> Dict[str, Dict[str, Any]]:
+        archive = zipfile.ZipFile(file_name, "r")
+
+        metadata_files = [name for name in archive.namelist() if name.endswith("plugin_metadata.json")]
+
+        result = dict()
+
+        for metadata_file in metadata_files:
+            try:
+                plugin_id = metadata_file.split("/")[0]
+                result[plugin_id] = json.loads(archive.open("%s/plugin_metadata.json" % plugin_id).read().decode("utf-8"))
+            except Exception:
+                Logger.logException("w", "Unable to retrieve metadata for %s", metadata_file)
+
+        return result
 
     def _processQualityChanges(self, global_stack):
         if self._machine_info.quality_changes_info is None:

plugins/3MFWriter/ThreeMFWorkspaceWriter.py

@@ -73,11 +73,25 @@ class ThreeMFWorkspaceWriter(WorkspaceWriter):
         version_config_parser.write(version_file_string)
         archive.writestr(version_file, version_file_string.getvalue())
 
+        self._writePluginMetadataToArchive(archive)
+
         # Close the archive & reset states.
         archive.close()
         mesh_writer.setStoreArchive(False)
         return True
 
+    @staticmethod
+    def _writePluginMetadataToArchive(archive: zipfile.ZipFile) -> None:
+        file_name_template = "%s/plugin_metadata.json"
+
+        for plugin_id, metadata in Application.getInstance().getWorkspaceMetadataStorage().getAllData().items():
+            file_name = file_name_template % plugin_id
+            file_in_archive = zipfile.ZipInfo(file_name)
+            # We have to set the compress type of each file as well (it doesn't keep the type of the entire archive)
+            file_in_archive.compress_type = zipfile.ZIP_DEFLATED
+            import json
+            archive.writestr(file_in_archive, json.dumps(metadata, separators = (", ", ": "), indent = 4, skipkeys = True))
+
     ##  Helper function that writes ContainerStacks, InstanceContainers and DefinitionContainers to the archive.
     #   \param container That follows the \type{ContainerInterface} to archive.
     #   \param archive The archive to write to.

plugins/3MFWriter/ThreeMFWriter.py

@@ -1,5 +1,6 @@
 # Copyright (c) 2015 Ultimaker B.V.
 # Uranium is released under the terms of the LGPLv3 or higher.
+from typing import Optional
 
 from UM.Mesh.MeshWriter import MeshWriter
 from UM.Math.Vector import Vector
@@ -40,7 +41,7 @@ class ThreeMFWriter(MeshWriter):
         }
 
         self._unit_matrix_string = self._convertMatrixToString(Matrix())
-        self._archive = None
+        self._archive = None  # type: Optional[zipfile.ZipFile]
         self._store_archive = False
 
     def _convertMatrixToString(self, matrix):

plugins/PostProcessingPlugin/scripts/DisplayFilenameAndLayerOnLCD.py

@@ -72,18 +72,25 @@ class DisplayFilenameAndLayerOnLCD(Script):
             lcd_text = "M117 Printing " + name + " - Layer "
         i = self.getSettingValueByKey("startNum")
         for layer in data:
-            display_text = lcd_text + str(i) + " " + name
+            display_text = lcd_text + str(i)
             layer_index = data.index(layer)
             lines = layer.split("\n")
             for line in lines:
                 if line.startswith(";LAYER_COUNT:"):
                     max_layer = line
                     max_layer = max_layer.split(":")[1]
+                    if self.getSettingValueByKey("startNum") == 0:
+                        max_layer = str(int(max_layer) - 1)
                 if line.startswith(";LAYER:"):
                     if self.getSettingValueByKey("maxlayer"):
                         display_text = display_text + " of " + max_layer
+                        if not self.getSettingValueByKey("scroll"):
+                            display_text = display_text + " " + name
                     else:
-                        display_text = display_text + "!"
+                        if not self.getSettingValueByKey("scroll"):
+                            display_text = display_text + " " + name + "!"
+                        else:
+                            display_text = display_text + "!"
                     line_index = lines.index(line)
                     lines.insert(line_index + 1, display_text)
                     i += 1

plugins/PostProcessingPlugin/scripts/TimeLapse.py

@@ -2,6 +2,7 @@
 
 from ..Script import Script
 
+
 class TimeLapse(Script):
     def __init__(self):
         super().__init__()
@@ -75,21 +76,29 @@ class TimeLapse(Script):
         trigger_command = self.getSettingValueByKey("trigger_command")
         pause_length = self.getSettingValueByKey("pause_length")
         gcode_to_append = ";TimeLapse Begin\n"
+        last_x = 0
+        last_y = 0
 
         if park_print_head:
-            gcode_to_append += self.putValue(G = 1, F = feed_rate, X = x_park, Y = y_park) + " ;Park print head\n"
-        gcode_to_append += self.putValue(M = 400) + " ;Wait for moves to finish\n"
+            gcode_to_append += self.putValue(G=1, F=feed_rate,
+                                             X=x_park, Y=y_park) + " ;Park print head\n"
+        gcode_to_append += self.putValue(M=400) + " ;Wait for moves to finish\n"
         gcode_to_append += trigger_command + " ;Snap Photo\n"
-        gcode_to_append += self.putValue(G = 4, P = pause_length) + " ;Wait for camera\n"
-        gcode_to_append += ";TimeLapse End\n"
-        for layer in data:
+        gcode_to_append += self.putValue(G=4, P=pause_length) + " ;Wait for camera\n"
+
+        for idx, layer in enumerate(data):
+            for line in layer.split("\n"):
+                if self.getValue(line, "G") in {0, 1}:  # Track X,Y location.
+                    last_x = self.getValue(line, "X", last_x)
+                    last_y = self.getValue(line, "Y", last_y)
             # Check that a layer is being printed
             lines = layer.split("\n")
             for line in lines:
                 if ";LAYER:" in line:
-                    index = data.index(layer)
                     layer += gcode_to_append
 
-                    data[index] = layer
+                    layer += "G0 X%s Y%s\n" % (last_x, last_y)
+
+                    data[idx] = layer
                     break
         return data

plugins/SimulationView/SimulationView.py

@@ -1,4 +1,4 @@
-# Copyright (c) 2018 Ultimaker B.V.
+# Copyright (c) 2020 Ultimaker B.V.
 # Cura is released under the terms of the LGPLv3 or higher.
 
 import sys
@@ -116,8 +116,9 @@ class SimulationView(CuraView):
         self._only_show_top_layers = bool(Application.getInstance().getPreferences().getValue("view/only_show_top_layers"))
         self._compatibility_mode = self._evaluateCompatibilityMode()
 
-        self._wireprint_warning_message = Message(catalog.i18nc("@info:status", "Cura does not accurately display layers when Wire Printing is enabled"),
+        self._wireprint_warning_message = Message(catalog.i18nc("@info:status", "Cura does not accurately display layers when Wire Printing is enabled."),
                                                   title = catalog.i18nc("@info:title", "Simulation View"))
+        self._slice_first_warning_message = Message(catalog.i18nc("@info:status", "Nothing is shown because you need to slice first."), title = catalog.i18nc("@info:title", "No layer data"))
 
         QtApplication.getInstance().engineCreatedSignal.connect(self._onEngineCreated)
 
@@ -149,6 +150,7 @@ class SimulationView(CuraView):
         if self._activity == activity:
             return
         self._activity = activity
+        self._updateSliceWarningVisibility()
         self.activityChanged.emit()
 
     def getSimulationPass(self) -> SimulationPass:
@@ -543,11 +545,13 @@ class SimulationView(CuraView):
             self._composite_pass.getLayerBindings().append("simulationview")
             self._old_composite_shader = self._composite_pass.getCompositeShader()
             self._composite_pass.setCompositeShader(self._simulationview_composite_shader)
+            self._updateSliceWarningVisibility()
 
         elif event.type == Event.ViewDeactivateEvent:
             self._controller.getScene().getRoot().childrenChanged.disconnect(self._onSceneChanged)
             Application.getInstance().getPreferences().preferenceChanged.disconnect(self._onPreferencesChanged)
             self._wireprint_warning_message.hide()
+            self._slice_first_warning_message.hide()
             Application.getInstance().globalContainerStackChanged.disconnect(self._onGlobalStackChanged)
             if self._global_container_stack:
                 self._global_container_stack.propertyChanged.disconnect(self._onPropertyChanged)
@@ -661,6 +665,12 @@ class SimulationView(CuraView):
 
         self._updateWithPreferences()
 
+    def _updateSliceWarningVisibility(self):
+        if not self.getActivity():
+            self._slice_first_warning_message.show()
+        else:
+            self._slice_first_warning_message.hide()
+
 
 class _CreateTopLayersJob(Job):
     def __init__(self, scene: "Scene", layer_number: int, solid_layers: int) -> None:

plugins/SliceInfoPlugin/MoreInfoWindow.qml

@@ -72,6 +72,7 @@ Window
                     right: parent.right
                 }
                 text: catalog.i18nc("@text:window", "Ultimaker Cura collects anonymous data in order to improve the print quality and user experience. Below is an example of all the data that is shared:")
+                color: UM.Theme.getColor("text")
                 wrapMode: Text.WordWrap
                 renderType: Text.NativeRendering
             }

plugins/Toolbox/resources/qml/dialogs/CompatibilityDialog.qml

@@ -20,6 +20,8 @@ UM.Dialog{
     maximumHeight: minimumHeight
     margin: 0
 
+    property string actionButtonText: subscribedPackagesModel.hasIncompatiblePackages && !subscribedPackagesModel.hasCompatiblePackages ? catalog.i18nc("@button", "Dismiss") : catalog.i18nc("@button", "Next")
+
     Rectangle
     {
         id: root
@@ -90,7 +92,7 @@ UM.Dialog{
                 Label
                 {
                     font: UM.Theme.getFont("default")
-                    text: catalog.i18nc("@label", "The following packages can not be installed because of incompatible Cura version:")
+                    text: catalog.i18nc("@label", "The following packages can not be installed because of an incompatible Cura version:")
                     visible: subscribedPackagesModel.hasIncompatiblePackages
                     color: UM.Theme.getColor("text")
                     height: contentHeight + UM.Theme.getSize("default_margin").height
@@ -125,26 +127,6 @@ UM.Dialog{
                                 color: UM.Theme.getColor("text")
                                 elide: Text.ElideRight
                             }
-                            UM.TooltipArea
-                            {
-                                width: childrenRect.width;
-                                height: childrenRect.height;
-                                text: catalog.i18nc("@info:tooltip", "Dismisses the package and won't be shown in this dialog anymore")
-                                anchors.right: parent.right
-                                anchors.verticalCenter: packageIcon.verticalCenter
-                                Label
-                                {
-                                    text: "(Dismiss)"
-                                    font: UM.Theme.getFont("small")
-                                    color: UM.Theme.getColor("text")
-                                    MouseArea
-                                    {
-                                        cursorShape: Qt.PointingHandCursor
-                                        anchors.fill: parent
-                                        onClicked: handler.dismissIncompatiblePackage(subscribedPackagesModel, model.package_id)
-                                    }
-                                }
-                            }
                         }
                     }
                 }
@@ -152,14 +134,16 @@ UM.Dialog{
 
         } // End of ScrollView
 
-        Cura.ActionButton
+        Cura.PrimaryButton
         {
             id: nextButton
             anchors.bottom: parent.bottom
             anchors.right: parent.right
             anchors.margins: UM.Theme.getSize("default_margin").height
-            text: catalog.i18nc("@button", "Next")
+            text: actionButtonText
             onClicked: accept()
+            leftPadding: UM.Theme.getSize("dialog_primary_button_padding").width
+            rightPadding: UM.Theme.getSize("dialog_primary_button_padding").width
         }
     }
 }

plugins/Toolbox/resources/qml/dialogs/ToolboxLicenseDialog.qml

@@ -4,12 +4,12 @@
 import QtQuick 2.10
 import QtQuick.Dialogs 1.1
 import QtQuick.Window 2.2
-import QtQuick.Controls 1.4
+import QtQuick.Controls 2.3
+import QtQuick.Layouts 1.3
 import QtQuick.Controls.Styles 1.4
 
-// TODO: Switch to QtQuick.Controls 2.x and remove QtQuick.Controls.Styles
-
 import UM 1.1 as UM
+import Cura 1.6 as Cura
 
 UM.Dialog
 {
@@ -19,50 +19,90 @@ UM.Dialog
     minimumHeight: UM.Theme.getSize("license_window_minimum").height
     width: minimumWidth
     height: minimumHeight
+    backgroundColor: UM.Theme.getColor("main_background")
+    margin: screenScaleFactor * 10
 
-    Item
+    ColumnLayout
     {
         anchors.fill: parent
+        spacing: UM.Theme.getSize("thick_margin").height
 
         UM.I18nCatalog{id: catalog; name: "cura"}
 
-
         Label
         {
             id: licenseHeader
-            anchors.top: parent.top
-            anchors.left: parent.left
-            anchors.right: parent.right
-            text: licenseModel.headerText
+            Layout.fillWidth: true
+            text: catalog.i18nc("@label", "You need to accept the license to install the package")
+            color: UM.Theme.getColor("text")
             wrapMode: Text.Wrap
             renderType: Text.NativeRendering
         }
-        TextArea
-        {
-            id: licenseText
-            anchors.top: licenseHeader.bottom
-            anchors.bottom: parent.bottom
+
+        Row {
+            id: packageRow
+
             anchors.left: parent.left
             anchors.right: parent.right
-            anchors.topMargin: UM.Theme.getSize("default_margin").height
-            readOnly: true
-            text: licenseModel.licenseText
+            height: childrenRect.height
+            spacing: UM.Theme.getSize("default_margin").width
+            leftPadding: UM.Theme.getSize("narrow_margin").width
+
+            Image
+            {
+                id: icon
+                width: 30 * screenScaleFactor
+                height: width
+                fillMode: Image.PreserveAspectFit
+                source: licenseModel.iconUrl || "../../images/logobot.svg"
+                mipmap: true
+            }
+
+            Label
+            {
+                id: packageName
+                text: licenseModel.packageName
+                color: UM.Theme.getColor("text")
+                font.bold: true
+                anchors.verticalCenter: icon.verticalCenter
+                height: contentHeight
+                wrapMode: Text.Wrap
+                renderType: Text.NativeRendering
+            }
+
+
         }
+
+        Cura.ScrollableTextArea
+        {
+
+            Layout.fillWidth: true
+            Layout.fillHeight: true
+            anchors.topMargin: UM.Theme.getSize("default_margin").height
+
+            textArea.text: licenseModel.licenseText
+            textArea.readOnly: true
+        }
+
     }
     rightButtons:
     [
-        Button
+        Cura.PrimaryButton
         {
-            id: acceptButton
-            anchors.margins: UM.Theme.getSize("default_margin").width
-            text: catalog.i18nc("@action:button", "Accept")
+            leftPadding: UM.Theme.getSize("dialog_primary_button_padding").width
+            rightPadding: UM.Theme.getSize("dialog_primary_button_padding").width
+
+            text: licenseModel.acceptButtonText
             onClicked: { handler.onLicenseAccepted() }
-        },
-        Button
+        }
+    ]
+
+    leftButtons:
+    [
+        Cura.SecondaryButton
         {
             id: declineButton
-            anchors.margins: UM.Theme.getSize("default_margin").width
-            text: catalog.i18nc("@action:button", "Decline")
+            text: licenseModel.declineButtonText
             onClicked: { handler.onLicenseDeclined() }
         }
     ]

plugins/Toolbox/src/CloudApiModel.py

@@ -18,3 +18,11 @@ class CloudApiModel:
         cloud_api_root=cloud_api_root,
         cloud_api_version=cloud_api_version,
     )
+
+    ## https://api.ultimaker.com/cura-packages/v1/user/packages/{package_id}
+    @classmethod
+    def userPackageUrl(cls, package_id: str) -> str:
+
+        return (CloudApiModel.api_url_user_packages + "/{package_id}").format(
+            package_id=package_id
+        )

plugins/Toolbox/src/CloudSync/CloudPackageChecker.py

@@ -8,11 +8,12 @@ from UM import i18nCatalog
 from UM.Logger import Logger
 from UM.Message import Message
 from UM.Signal import Signal
-from cura.CuraApplication import CuraApplication
+from cura.CuraApplication import CuraApplication, ApplicationMetadata
 from ..CloudApiModel import CloudApiModel
 from .SubscribedPackagesModel import SubscribedPackagesModel
 from ..UltimakerCloudScope import UltimakerCloudScope
 
+from typing import List, Dict, Any
 
 class CloudPackageChecker(QObject):
     def __init__(self, application: CuraApplication) -> None:
@@ -25,12 +26,12 @@ class CloudPackageChecker(QObject):
 
         self._application.initializationFinished.connect(self._onAppInitialized)
         self._i18n_catalog = i18nCatalog("cura")
+        self._sdk_version = ApplicationMetadata.CuraSDKVersion
 
     # This is a plugin, so most of the components required are not ready when
     # this is initialized. Therefore, we wait until the application is ready.
     def _onAppInitialized(self) -> None:
         self._package_manager = self._application.getPackageManager()
-
         # initial check
         self._fetchUserSubscribedPackages()
         # check again whenever the login state changes
@@ -38,25 +39,51 @@ class CloudPackageChecker(QObject):
 
     def _fetchUserSubscribedPackages(self) -> None:
         if self._application.getCuraAPI().account.isLoggedIn:
-            self._getUserPackages()
+            self._getUserSubscribedPackages()
 
-    def _handleCompatibilityData(self, json_data) -> None:
-        user_subscribed_packages = [plugin["package_id"] for plugin in json_data]
+    def _getUserSubscribedPackages(self) -> None:
+        Logger.debug("Requesting subscribed packages metadata from server.")
+        url = CloudApiModel.api_url_user_packages
+        self._application.getHttpRequestManager().get(url,
+                                                      callback = self._onUserPackagesRequestFinished,
+                                                      error_callback = self._onUserPackagesRequestFinished,
+                                                      scope = self._scope)
+
+    def _onUserPackagesRequestFinished(self, reply: "QNetworkReply", error: Optional["QNetworkReply.NetworkError"] = None) -> None:
+        if error is not None or reply.attribute(QNetworkRequest.HttpStatusCodeAttribute) != 200:
+            Logger.log("w",
+                       "Requesting user packages failed, response code %s while trying to connect to %s",
+                       reply.attribute(QNetworkRequest.HttpStatusCodeAttribute), reply.url())
+            return
+
+        try:
+            json_data = json.loads(bytes(reply.readAll()).decode("utf-8"))
+            # Check for errors:
+            if "errors" in json_data:
+                for error in json_data["errors"]:
+                    Logger.log("e", "%s", error["title"])
+                return
+            self._handleCompatibilityData(json_data["data"])
+        except json.decoder.JSONDecodeError:
+            Logger.log("w", "Received invalid JSON for user subscribed packages from the Web Marketplace")
+
+    def _handleCompatibilityData(self, subscribed_packages_payload: List[Dict[str, Any]]) -> None:
+        user_subscribed_packages = [plugin["package_id"] for plugin in subscribed_packages_payload]
         user_installed_packages = self._package_manager.getUserInstalledPackages()
+
+        # We need to re-evaluate the dismissed packages
+        # (i.e. some package might got updated to the correct SDK version in the meantime,
+        # hence remove them from the Dismissed Incompatible list)
+        self._package_manager.reEvaluateDismissedPackages(subscribed_packages_payload, self._sdk_version)
         user_dismissed_packages = self._package_manager.getDismissedPackages()
         if user_dismissed_packages:
             user_installed_packages += user_dismissed_packages
-        # We check if there are packages installed in Cloud Marketplace but not in Cura marketplace
+
+        # We check if there are packages installed in Web Marketplace but not in Cura marketplace
         package_discrepancy = list(set(user_subscribed_packages).difference(user_installed_packages))
-
-        self._model.setMetadata(json_data)
-        self._model.addDiscrepancies(package_discrepancy)
-        self._model.initialize()
-
-        if not self._model.hasCompatiblePackages:
-            return None
-
         if package_discrepancy:
+            self._model.addDiscrepancies(package_discrepancy)
+            self._model.initialize(subscribed_packages_payload)
             self._handlePackageDiscrepancies()
 
     def _handlePackageDiscrepancies(self) -> None:
@@ -64,7 +91,6 @@ class CloudPackageChecker(QObject):
         sync_message = Message(self._i18n_catalog.i18nc(
             "@info:generic",
             "\nDo you want to sync material and software packages with your account?"),
-            lifetime=0,
             title=self._i18n_catalog.i18nc("@info:title", "Changes detected from your Ultimaker account", ))
         sync_message.addAction("sync",
                                name=self._i18n_catalog.i18nc("@action:button", "Sync"),
@@ -76,35 +102,4 @@ class CloudPackageChecker(QObject):
 
     def _onSyncButtonClicked(self, sync_message: Message, sync_message_action: str) -> None:
         sync_message.hide()
-        self.discrepancies.emit(self._model)
-
-    def _getUserPackages(self) -> None:
-        Logger.log("d", "Requesting subscribed packages metadata from server.")
-        url = CloudApiModel.api_url_user_packages
-
-        self._application.getHttpRequestManager().get(url,
-                                                      callback = self._onUserPackagesRequestFinished,
-                                                      error_callback = self._onUserPackagesRequestFinished,
-                                                      scope = self._scope)
-
-    def _onUserPackagesRequestFinished(self,
-                                      reply: "QNetworkReply",
-                                      error: Optional["QNetworkReply.NetworkError"] = None) -> None:
-        if error is not None or reply.attribute(QNetworkRequest.HttpStatusCodeAttribute) != 200:
-            Logger.log("w",
-                       "Requesting user packages failed, response code %s while trying to connect to %s",
-                       reply.attribute(QNetworkRequest.HttpStatusCodeAttribute), reply.url())
-            return
-
-        try:
-            json_data = json.loads(bytes(reply.readAll()).decode("utf-8"))
-
-            # Check for errors:
-            if "errors" in json_data:
-                for error in json_data["errors"]:
-                    Logger.log("e", "%s", error["title"])
-                return
-
-            self._handleCompatibilityData(json_data["data"])
-        except json.decoder.JSONDecodeError:
-            Logger.log("w", "Received invalid JSON for user packages")
+        self.discrepancies.emit(self._model)

plugins/Toolbox/src/CloudSync/CloudPackageManager.py

@@ -1,18 +1,51 @@
+from UM.Logger import Logger
+from UM.TaskManagement.HttpRequestManager import HttpRequestManager
 from cura.CuraApplication import CuraApplication
 from ..CloudApiModel import CloudApiModel
 from ..UltimakerCloudScope import UltimakerCloudScope
 
 
-## Manages Cloud subscriptions. When a package is added to a user's account, the user is 'subscribed' to that package
-# Whenever the user logs in on another instance of Cura, these subscriptions can be used to sync the user's plugins
 class CloudPackageManager:
-    def __init__(self, app: CuraApplication) -> None:
-        self._request_manager = app.getHttpRequestManager()
-        self._scope = UltimakerCloudScope(app)
+    """Manages Cloud subscriptions
 
-    def subscribe(self, package_id: str) -> None:
+    When a package is added to a user's account, the user is 'subscribed' to that package.
+    Whenever the user logs in on another instance of Cura, these subscriptions can be used to sync the user's plugins
+
+    Singleton: use CloudPackageManager.getInstance() instead of CloudPackageManager()
+    """
+
+    __instance = None
+
+    @classmethod
+    def getInstance(cls, app: CuraApplication):
+        if not cls.__instance:
+            cls.__instance = CloudPackageManager(app)
+        return cls.__instance
+
+    def __init__(self, app: CuraApplication) -> None:
+        if self.__instance is not None:
+            raise RuntimeError("This is a Singleton. use getInstance()")
+
+        self._scope = UltimakerCloudScope(app)  # type: UltimakerCloudScope
+
+        app.getPackageManager().packageInstalled.connect(self._onPackageInstalled)
+
+    def unsubscribe(self, package_id: str) -> None:
+        url = CloudApiModel.userPackageUrl(package_id)
+        HttpRequestManager.getInstance().delete(url = url, scope = self._scope)
+
+    def _subscribe(self, package_id: str) -> None:
+        """You probably don't want to use this directly. All installed packages will be automatically subscribed."""
+
+        Logger.debug("Subscribing to {}", package_id)
         data = "{\"data\": {\"package_id\": \"%s\", \"sdk_version\": \"%s\"}}" % (package_id, CloudApiModel.sdk_version)
-        self._request_manager.put(url=CloudApiModel.api_url_user_packages,
-                                  data=data.encode(),
-                                  scope=self._scope
-                                  )
+        HttpRequestManager.getInstance().put(
+            url = CloudApiModel.api_url_user_packages,
+            data = data.encode(),
+            scope = self._scope
+        )
+
+    def _onPackageInstalled(self, package_id: str):
+        if CuraApplication.getInstance().getCuraAPI().account.isLoggedIn:
+            # We might already be subscribed, but checking would take one extra request. Instead, simply subscribe
+            self._subscribe(package_id)

plugins/Toolbox/src/CloudSync/DiscrepanciesPresenter.py

@@ -28,13 +28,12 @@ class DiscrepanciesPresenter(QObject):
         assert self._dialog
         self._dialog.accepted.connect(lambda: self._onConfirmClicked(model))
 
-    @pyqtSlot("QVariant", str)
-    def dismissIncompatiblePackage(self, model: SubscribedPackagesModel, package_id: str) -> None:
-        model.dismissPackage(package_id)  # update the model to update the view
-        self._package_manager.dismissPackage(package_id)  # adds this package_id as dismissed in the user config file
-
     def _onConfirmClicked(self, model: SubscribedPackagesModel) -> None:
+        # If there are incompatible packages - automatically dismiss them
+        if model.getIncompatiblePackages():
+            self._package_manager.dismissAllIncompatiblePackages(model.getIncompatiblePackages())
         # For now, all compatible packages presented to the user should be installed.
         # Later, we might remove items for which the user unselected the package
-        model.setItems(model.getCompatiblePackages())
-        self.packageMutations.emit(model)
+        if model.getCompatiblePackages():
+            model.setItems(model.getCompatiblePackages())
+            self.packageMutations.emit(model)

plugins/Toolbox/src/CloudSync/DownloadPresenter.py

@@ -62,7 +62,8 @@ class DownloadPresenter:
                 "received": 0,
                 "total": 1,  # make sure this is not considered done yet. Also divByZero-safe
                 "file_written": None,
-                "request_data": request_data
+                "request_data": request_data,
+                "package_model": item
             }
 
         self._started = True
@@ -128,7 +129,14 @@ class DownloadPresenter:
             if not item["file_written"]:
                 return False
 
-        success_items = {package_id : value["file_written"] for package_id, value in self._progress.items()}
+        success_items = {
+            package_id:
+                {
+                    "package_path": value["file_written"],
+                    "icon_url": value["package_model"]["icon_url"]
+                }
+            for package_id, value in self._progress.items()
+        }
         error_items = [package_id for package_id in self._error]
 
         self._progress_message.hide()

plugins/Toolbox/src/CloudSync/LicenseModel.py

@@ -6,31 +6,52 @@ catalog = i18nCatalog("cura")
 
 # Model for the ToolboxLicenseDialog
 class LicenseModel(QObject):
-    dialogTitleChanged = pyqtSignal()
-    headerChanged = pyqtSignal()
-    licenseTextChanged = pyqtSignal()
+    DEFAULT_DECLINE_BUTTON_TEXT = catalog.i18nc("@button", "Decline")
+    ACCEPT_BUTTON_TEXT = catalog.i18nc("@button", "Agree")
 
-    def __init__(self) -> None:
+    dialogTitleChanged = pyqtSignal()
+    packageNameChanged = pyqtSignal()
+    licenseTextChanged = pyqtSignal()
+    iconChanged = pyqtSignal()
+
+    def __init__(self, decline_button_text: str = DEFAULT_DECLINE_BUTTON_TEXT) -> None:
         super().__init__()
 
         self._current_page_idx = 0
         self._page_count = 1
         self._dialogTitle = ""
-        self._header_text = ""
         self._license_text = ""
         self._package_name = ""
+        self._icon_url = ""
+        self._decline_button_text = decline_button_text
+
+    @pyqtProperty(str, constant = True)
+    def acceptButtonText(self):
+        return self.ACCEPT_BUTTON_TEXT
+
+    @pyqtProperty(str, constant = True)
+    def declineButtonText(self):
+        return self._decline_button_text
 
     @pyqtProperty(str, notify=dialogTitleChanged)
     def dialogTitle(self) -> str:
         return self._dialogTitle
 
-    @pyqtProperty(str, notify=headerChanged)
-    def headerText(self) -> str:
-        return self._header_text
+    @pyqtProperty(str, notify=packageNameChanged)
+    def packageName(self) -> str:
+        return self._package_name
 
     def setPackageName(self, name: str) -> None:
-        self._header_text = name + ": " + catalog.i18nc("@label", "This plugin contains a license.\nYou need to accept this license to install this plugin.\nDo you agree with the terms below?")
-        self.headerChanged.emit()
+        self._package_name = name
+        self.packageNameChanged.emit()
+
+    @pyqtProperty(str, notify=iconChanged)
+    def iconUrl(self) -> str:
+        return self._icon_url
+
+    def setIconUrl(self, url: str):
+        self._icon_url = url
+        self.iconChanged.emit()
 
     @pyqtProperty(str, notify=licenseTextChanged)
     def licenseText(self) -> str:
@@ -50,6 +71,7 @@ class LicenseModel(QObject):
         self._updateDialogTitle()
 
     def _updateDialogTitle(self):
-        self._dialogTitle = catalog.i18nc("@title:window", "Plugin License Agreement ({}/{})"
-                                          .format(self._current_page_idx + 1, self._page_count))
+        self._dialogTitle = catalog.i18nc("@title:window", "Plugin License Agreement")
+        if self._page_count > 1:
+            self._dialogTitle = self._dialogTitle + " ({}/{})".format(self._current_page_idx + 1, self._page_count)
         self.dialogTitleChanged.emit()

plugins/Toolbox/src/CloudSync/LicensePresenter.py

@@ -1,5 +1,6 @@
 import os
-from typing import Dict, Optional, List
+from collections import OrderedDict
+from typing import Dict, Optional, List, Any
 
 from PyQt5.QtCore import QObject, pyqtSlot
 
@@ -17,6 +18,7 @@ class LicensePresenter(QObject):
 
     def __init__(self, app: CuraApplication) -> None:
         super().__init__()
+        self._catalog = i18nCatalog("cura")
         self._dialog = None  # type: Optional[QObject]
         self._package_manager = app.getPackageManager()  # type: PackageManager
         # Emits List[Dict[str, [Any]] containing for example
@@ -25,7 +27,9 @@ class LicensePresenter(QObject):
 
         self._current_package_idx = 0
         self._package_models = []  # type: List[Dict]
-        self._license_model = LicenseModel()  # type: LicenseModel
+        decline_button_text = self._catalog.i18nc("@button", "Decline and remove from account")
+        self._license_model = LicenseModel(decline_button_text=decline_button_text)  # type: LicenseModel
+        self._page_count = 0
 
         self._app = app
 
@@ -34,7 +38,7 @@ class LicensePresenter(QObject):
     ## Show a license dialog for multiple packages where users can read a license and accept or decline them
     # \param plugin_path: Root directory of the Toolbox plugin
     # \param packages: Dict[package id, file path]
-    def present(self, plugin_path: str, packages: Dict[str, str]) -> None:
+    def present(self, plugin_path: str, packages: Dict[str, Dict[str, str]]) -> None:
         path = os.path.join(plugin_path, self._compatibility_dialog_path)
 
         self._initState(packages)
@@ -42,12 +46,11 @@ class LicensePresenter(QObject):
         if self._dialog is None:
 
             context_properties = {
-                "catalog": i18nCatalog("cura"),
+                "catalog": self._catalog,
                 "licenseModel": self._license_model,
                 "handler": self
             }
             self._dialog = self._app.createQmlComponent(path, context_properties)
-        self._license_model.setPageCount(len(self._package_models))
         self._presentCurrentPackage()
 
     @pyqtSlot()
@@ -60,32 +63,41 @@ class LicensePresenter(QObject):
         self._package_models[self._current_package_idx]["accepted"] = False
         self._checkNextPage()
 
-    def _initState(self, packages: Dict[str, str]) -> None:
-        self._package_models = [
-                {
-                    "package_id" : package_id,
-                    "package_path" : package_path,
-                    "accepted" : None  #: None: no answer yet
-                }
-                for package_id, package_path in packages.items()
-        ]
+    def _initState(self, packages: Dict[str, Dict[str, str]]) -> None:
+
+        implicitly_accepted_count = 0
+
+        for package_id, item in packages.items():
+            item["package_id"] = package_id
+            item["licence_content"] = self._package_manager.getPackageLicense(item["package_path"])
+            if item["licence_content"] is None:
+                # Implicitly accept when there is no license
+                item["accepted"] = True
+                implicitly_accepted_count = implicitly_accepted_count + 1
+                self._package_models.append(item)
+            else:
+                item["accepted"] = None  #: None: no answer yet
+                # When presenting the packages, we want to show packages which have a license first.
+                # In fact, we don't want to show the others at all because they are implicitly accepted
+                self._package_models.insert(0, item)
+            CuraApplication.getInstance().processEvents()
+        self._page_count = len(self._package_models) - implicitly_accepted_count
+        self._license_model.setPageCount(self._page_count)
+
 
     def _presentCurrentPackage(self) -> None:
         package_model = self._package_models[self._current_package_idx]
-        license_content = self._package_manager.getPackageLicense(package_model["package_path"])
-        if license_content is None:
-            # Implicitly accept when there is no license
-            self.onLicenseAccepted()
-            return
+        package_info = self._package_manager.getPackageInfo(package_model["package_path"])
 
         self._license_model.setCurrentPageIdx(self._current_package_idx)
-        self._license_model.setPackageName(package_model["package_id"])
-        self._license_model.setLicenseText(license_content)
+        self._license_model.setPackageName(package_info["display_name"])
+        self._license_model.setIconUrl(package_model["icon_url"])
+        self._license_model.setLicenseText(package_model["licence_content"])
         if self._dialog:
             self._dialog.open()  # Does nothing if already open
 
     def _checkNextPage(self) -> None:
-        if self._current_package_idx + 1 < len(self._package_models):
+        if self._current_package_idx + 1 < self._page_count:
             self._current_package_idx += 1
             self._presentCurrentPackage()
         else:

plugins/Toolbox/src/CloudSync/SubscribedPackagesModel.py

@@ -37,27 +37,18 @@ class SubscribedPackagesModel(ListModel):
                 return True
         return False
 
-        # Sets the "is_compatible" to True for the given package, in memory
-
-    @pyqtSlot()
-    def dismissPackage(self, package_id: str) -> None:
-        package = self.find(key="package_id", value=package_id)
-        if package != -1:
-            self.setProperty(package, property="is_dismissed", value=True)
-            Logger.debug("Package {} has been dismissed".format(package_id))
-
-    def setMetadata(self, data: List[Dict[str, List[Any]]]) -> None:
-        self._metadata = data
-
     def addDiscrepancies(self, discrepancy: List[str]) -> None:
         self._discrepancies = discrepancy
 
-    def getCompatiblePackages(self):
-        return [x for x in self._items if x["is_compatible"]]
+    def getCompatiblePackages(self) -> List[Dict[str, Any]]:
+        return [package for package in self._items if package["is_compatible"]]
 
-    def initialize(self) -> None:
+    def getIncompatiblePackages(self) -> List[str]:
+        return [package["package_id"] for package in self._items if not package["is_compatible"]]
+
+    def initialize(self, subscribed_packages_payload: List[Dict[str, Any]]) -> None:
         self._items.clear()
-        for item in self._metadata:
+        for item in subscribed_packages_payload:
             if item["package_id"] not in self._discrepancies:
                 continue
             package = {

plugins/Toolbox/src/CloudSync/SyncOrchestrator.py

@@ -1,8 +1,10 @@
 import os
 from typing import List, Dict, Any, cast
 
+from UM import i18n_catalog
 from UM.Extension import Extension
 from UM.Logger import Logger
+from UM.Message import Message
 from UM.PluginRegistry import PluginRegistry
 from cura.CuraApplication import CuraApplication
 from .CloudPackageChecker import CloudPackageChecker
@@ -36,7 +38,8 @@ class SyncOrchestrator(Extension):
         self._name = "SyncOrchestrator"
 
         self._package_manager = app.getPackageManager()
-        self._cloud_package_manager = CloudPackageManager(app)
+        # Keep a reference to the CloudPackageManager. it watches for installed packages and subscribes to them
+        self._cloud_package_manager = CloudPackageManager.getInstance(app)  # type: CloudPackageManager
 
         self._checker = CloudPackageChecker(app)  # type: CloudPackageChecker
         self._checker.discrepancies.connect(self._onDiscrepancies)
@@ -61,32 +64,37 @@ class SyncOrchestrator(Extension):
         self._download_presenter.download(mutations)
 
     ## Called when a set of packages have finished downloading
-    # \param success_items: Dict[package_id, file_path]
+    # \param success_items: Dict[package_id, Dict[str, str]]
     # \param error_items: List[package_id]
-    def _onDownloadFinished(self, success_items: Dict[str, str], error_items: List[str]) -> None:
-        # todo handle error items
+    def _onDownloadFinished(self, success_items: Dict[str, Dict[str, str]], error_items: List[str]) -> None:
+        if error_items:
+            message = i18n_catalog.i18nc("@info:generic", "{} plugins failed to download".format(len(error_items)))
+            self._showErrorMessage(message)
+
         plugin_path = cast(str, PluginRegistry.getInstance().getPluginPath(self.getPluginId()))
         self._license_presenter.present(plugin_path, success_items)
 
     # Called when user has accepted / declined all licenses for the downloaded packages
     def _onLicenseAnswers(self, answers: List[Dict[str, Any]]) -> None:
-        Logger.debug("Got license answers: {}", answers)
-
         has_changes = False  # True when at least one package is installed
 
         for item in answers:
             if item["accepted"]:
                 # install and subscribe packages
                 if not self._package_manager.installPackage(item["package_path"]):
-                    Logger.error("could not install {}".format(item["package_id"]))
+                    message = "Could not install {}".format(item["package_id"])
+                    self._showErrorMessage(message)
                     continue
-                self._cloud_package_manager.subscribe(item["package_id"])
                 has_changes = True
             else:
-                # todo unsubscribe declined packages
-                pass
+                self._cloud_package_manager.unsubscribe(item["package_id"])
             # delete temp file
             os.remove(item["package_path"])
 
         if has_changes:
             self._restart_presenter.present()
+
+    ## Logs an error and shows it to the user
+    def _showErrorMessage(self, text: str):
+        Logger.error(text)
+        Message(text, lifetime=0).show()

plugins/Toolbox/src/Toolbox.py

@@ -21,7 +21,6 @@ from cura.Machines.ContainerTree import ContainerTree
 
 from .CloudApiModel import CloudApiModel
 from .AuthorsModel import AuthorsModel
-from .CloudSync.CloudPackageManager import CloudPackageManager
 from .CloudSync.LicenseModel import LicenseModel
 from .PackagesModel import PackagesModel
 from .UltimakerCloudScope import UltimakerCloudScope
@@ -44,7 +43,6 @@ class Toolbox(QObject, Extension):
         self._sdk_version = ApplicationMetadata.CuraSDKVersion  # type: Union[str, int]
 
         # Network:
-        self._cloud_package_manager = CloudPackageManager(application)  # type: CloudPackageManager
         self._download_request_data = None  # type: Optional[HttpRequestData]
         self._download_progress = 0  # type: float
         self._is_downloading = False  # type: bool
@@ -147,17 +145,14 @@ class Toolbox(QObject, Extension):
 
         self._application.getHttpRequestManager().put(url, data = data.encode(), scope = self._scope)
 
-    @pyqtSlot(str)
-    def subscribe(self, package_id: str) -> None:
-        self._cloud_package_manager.subscribe(package_id)
-
     def getLicenseDialogPluginFileLocation(self) -> str:
         return self._license_dialog_plugin_file_location
 
-    def openLicenseDialog(self, plugin_name: str, license_content: str, plugin_file_location: str) -> None:
+    def openLicenseDialog(self, plugin_name: str, license_content: str, plugin_file_location: str, icon_url: str) -> None:
         # Set page 1/1 when opening the dialog for a single package
         self._license_model.setCurrentPageIdx(0)
         self._license_model.setPageCount(1)
+        self._license_model.setIconUrl(icon_url)
 
         self._license_model.setPackageName(plugin_name)
         self._license_model.setLicenseText(license_content)
@@ -376,7 +371,6 @@ class Toolbox(QObject, Extension):
     def onLicenseAccepted(self):
         self.closeLicenseDialog.emit()
         package_id = self.install(self.getLicenseDialogPluginFileLocation())
-        self.subscribe(package_id)
 
 
     @pyqtSlot()
@@ -670,14 +664,16 @@ class Toolbox(QObject, Extension):
             return
 
         license_content = self._package_manager.getPackageLicense(file_path)
+        package_id = package_info["package_id"]
         if license_content is not None:
-            self.openLicenseDialog(package_info["package_id"], license_content, file_path)
+            # get the icon url for package_id, make sure the result is a string, never None
+            icon_url = next((x["icon_url"] for x in self.packagesModel.items if x["id"] == package_id), None) or ""
+            self.openLicenseDialog(package_info["display_name"], license_content, file_path, icon_url)
             return
 
-        package_id = self.install(file_path)
-        if package_id != package_info["package_id"]:
-            Logger.error("Installed package {} does not match {}".format(package_id, package_info["package_id"]))
-        self.subscribe(package_id)
+        installed_id = self.install(file_path)
+        if installed_id != package_id:
+            Logger.error("Installed package {} does not match {}".format(installed_id, package_id))
 
     # Getter & Setters for Properties:
     # --------------------------------------------------------------------------
@@ -699,14 +695,14 @@ class Toolbox(QObject, Extension):
     def isDownloading(self) -> bool:
         return self._is_downloading
 
-    def setActivePackage(self, package: Dict[str, Any]) -> None:
+    def setActivePackage(self, package: QObject) -> None:
         if self._active_package != package:
             self._active_package = package
             self.activePackageChanged.emit()
 
     ##  The active package is the package that is currently being downloaded
     @pyqtProperty(QObject, fset = setActivePackage, notify = activePackageChanged)
-    def activePackage(self) -> Optional[Dict[str, Any]]:
+    def activePackage(self) -> Optional[QObject]:
         return self._active_package
 
     def setViewCategory(self, category: str = "plugin") -> None:

plugins/Toolbox/src/UltimakerCloudScope.py

@@ -6,6 +6,9 @@ from cura.API import Account
 from cura.CuraApplication import CuraApplication
 
 
+## Add a Authorization header to the request for Ultimaker Cloud Api requests.
+# When the user is not logged in or a token is not available, a warning will be logged
+# Also add the user agent headers (see DefaultUserAgentScope)
 class UltimakerCloudScope(DefaultUserAgentScope):
     def __init__(self, application: CuraApplication):
         super().__init__(application)

resources/bundled_packages/cura.json

@@ -848,6 +848,23 @@
                 "website": "https://ultimaker.com"
             }
         }
+    },
+        "VersionUpgrade44to45": {
+        "package_info": {
+            "package_id": "VersionUpgrade44to45",
+            "package_type": "plugin",
+            "display_name": "Version Upgrade 4.4 to 4.5",
+            "description": "Upgrades configurations from Cura 4.4 to Cura 4.5.",
+            "package_version": "1.0.0",
+            "sdk_version": "7.0.0",
+            "website": "https://ultimaker.com",
+            "author": {
+                "author_id": "UltimakerPackages",
+                "display_name": "Ultimaker B.V.",
+                "email": "plugins@ultimaker.com",
+                "website": "https://ultimaker.com"
+            }
+        }
     },
     "X3DReader": {
         "package_info": {

resources/definitions/fdmprinter.def.json

@@ -2122,6 +2122,7 @@
                     "default_value": 210,
                     "minimum_value_warning": "0",
                     "maximum_value_warning": "285",
+                    "maximum_value": "365",
                     "enabled": false,
                     "settable_per_extruder": true,
                     "settable_per_mesh": false,
@@ -2153,6 +2154,7 @@
                     "minimum_value": "-273.15",
                     "minimum_value_warning": "0",
                     "maximum_value_warning": "285",
+                    "maximum_value": "365",
                     "enabled": "machine_nozzle_temp_enabled and not (material_flow_dependent_temperature)",
                     "settable_per_mesh": false,
                     "settable_per_extruder": true
@@ -2168,6 +2170,7 @@
                     "minimum_value": "-273.15",
                     "minimum_value_warning": "0",
                     "maximum_value_warning": "285",
+                    "maximum_value": "365",
                     "enabled": "machine_nozzle_temp_enabled",
                     "settable_per_mesh": false,
                     "settable_per_extruder": true
@@ -2183,6 +2186,7 @@
                     "minimum_value": "-273.15",
                     "minimum_value_warning": "material_standby_temperature",
                     "maximum_value_warning": "material_print_temperature",
+                    "maximum_value": "365",
                     "enabled": "machine_nozzle_temp_enabled and not machine_extruders_share_heater",
                     "settable_per_mesh": false,
                     "settable_per_extruder": true
@@ -2198,6 +2202,7 @@
                     "minimum_value": "-273.15",
                     "minimum_value_warning": "material_standby_temperature",
                     "maximum_value_warning": "material_print_temperature",
+                    "maximum_value": "365",
                     "enabled": "machine_nozzle_temp_enabled and not machine_extruders_share_heater",
                     "settable_per_mesh": false,
                     "settable_per_extruder": true
@@ -2227,6 +2232,7 @@
                     "minimum_value": "-273.15",
                     "minimum_value_warning": "build_volume_temperature",
                     "maximum_value_warning": "130",
+                    "maximum_value": "200",
                     "enabled": false,
                     "settable_per_mesh": false,
                     "settable_per_extruder": false,
@@ -2244,6 +2250,7 @@
                     "minimum_value": "-273.15",
                     "minimum_value_warning": "build_volume_temperature",
                     "maximum_value_warning": "130",
+                    "maximum_value": "200",
                     "enabled": "machine_heated_bed and machine_gcode_flavor != \"UltiGCode\"",
                     "settable_per_mesh": false,
                     "settable_per_extruder": false,
@@ -2261,6 +2268,7 @@
                     "minimum_value": "-273.15",
                     "minimum_value_warning": "max(build_volume_temperature, max(extruderValues('material_bed_temperature')))",
                     "maximum_value_warning": "130",
+                    "maximum_value": "200",
                     "enabled": "machine_heated_bed and machine_gcode_flavor != \"UltiGCode\"",
                     "settable_per_mesh": false,
                     "settable_per_extruder": false,
@@ -2377,6 +2385,7 @@
                     "enabled": false,
                     "minimum_value": "-273.15",
                     "maximum_value_warning": "300",
+                    "maximum_value": "365",
                     "settable_per_mesh": false,
                     "settable_per_extruder": true
                 },
@@ -2415,6 +2424,7 @@
                     "default_value": 50,
                     "enabled": false,
                     "minimum_value": "-273.15",
+                    "maximum_value": "365",
                     "maximum_value_warning": "300",
                     "settable_per_mesh": false,
                     "settable_per_extruder": true
@@ -2691,6 +2701,7 @@
                     "minimum_value": "-273.15",
                     "minimum_value_warning": "0",
                     "maximum_value_warning": "260",
+                    "maximum_value": "365",
                     "enabled": "extruders_enabled_count > 1 and machine_nozzle_temp_enabled",
                     "settable_per_mesh": false,
                     "settable_per_extruder": true
@@ -5688,7 +5699,7 @@
                     "unit": "mm",
                     "enabled": "resolveOrValue('prime_tower_enable')",
                     "default_value": 200,
-                    "value": "machine_width - max(extruderValue(adhesion_extruder_nr, 'brim_width') * extruderValue(adhesion_extruder_nr, 'initial_layer_line_width_factor') / 100 if adhesion_type == 'brim' or (prime_tower_brim_enable and adhesion_type != 'raft') else (extruderValue(adhesion_extruder_nr, 'raft_margin') if adhesion_type == 'raft' else (extruderValue(adhesion_extruder_nr, 'skirt_gap') if adhesion_type == 'skirt' else 0)), max(extruderValues('travel_avoid_distance'))) - max(extruderValues('support_offset')) - sum(extruderValues('skirt_brim_line_width')) * extruderValue(adhesion_extruder_nr, 'initial_layer_line_width_factor') / 100 - (resolveOrValue('draft_shield_dist') if resolveOrValue('draft_shield_enabled') else 0) - 1",
+                    "value": "machine_width - max(extruderValue(adhesion_extruder_nr, 'brim_width') * extruderValue(adhesion_extruder_nr, 'initial_layer_line_width_factor') / 100 if adhesion_type == 'brim' or (prime_tower_brim_enable and adhesion_type != 'raft') else (extruderValue(adhesion_extruder_nr, 'raft_margin') if adhesion_type == 'raft' else (extruderValue(adhesion_extruder_nr, 'skirt_gap') if adhesion_type == 'skirt' else 0)), max(extruderValues('travel_avoid_distance'))) - max(extruderValues('support_offset')) - sum(extruderValues('skirt_brim_line_width')) * extruderValue(adhesion_extruder_nr, 'initial_layer_line_width_factor') / 100 - (resolveOrValue('draft_shield_dist') if resolveOrValue('draft_shield_enabled') else 0) - max(map(abs, extruderValues('machine_nozzle_offset_x'))) - 1",
                     "maximum_value": "machine_width / 2 if machine_center_is_zero else machine_width",
                     "minimum_value": "resolveOrValue('prime_tower_size') - machine_width / 2 if machine_center_is_zero else resolveOrValue('prime_tower_size')",
                     "settable_per_mesh": false,
@@ -5702,7 +5713,7 @@
                     "unit": "mm",
                     "enabled": "resolveOrValue('prime_tower_enable')",
                     "default_value": 200,
-                    "value": "machine_depth - prime_tower_size - max(extruderValue(adhesion_extruder_nr, 'brim_width') * extruderValue(adhesion_extruder_nr, 'initial_layer_line_width_factor') / 100 if adhesion_type == 'brim' or (prime_tower_brim_enable and adhesion_type != 'raft') else (extruderValue(adhesion_extruder_nr, 'raft_margin') if adhesion_type == 'raft' else (extruderValue(adhesion_extruder_nr, 'skirt_gap') if adhesion_type == 'skirt' else 0)), max(extruderValues('travel_avoid_distance'))) - max(extruderValues('support_offset')) - sum(extruderValues('skirt_brim_line_width')) * extruderValue(adhesion_extruder_nr, 'initial_layer_line_width_factor') / 100 - (resolveOrValue('draft_shield_dist') if resolveOrValue('draft_shield_enabled') else 0) - 1",
+                    "value": "machine_depth - prime_tower_size - max(extruderValue(adhesion_extruder_nr, 'brim_width') * extruderValue(adhesion_extruder_nr, 'initial_layer_line_width_factor') / 100 if adhesion_type == 'brim' or (prime_tower_brim_enable and adhesion_type != 'raft') else (extruderValue(adhesion_extruder_nr, 'raft_margin') if adhesion_type == 'raft' else (extruderValue(adhesion_extruder_nr, 'skirt_gap') if adhesion_type == 'skirt' else 0)), max(extruderValues('travel_avoid_distance'))) - max(extruderValues('support_offset')) - sum(extruderValues('skirt_brim_line_width')) * extruderValue(adhesion_extruder_nr, 'initial_layer_line_width_factor') / 100 - (resolveOrValue('draft_shield_dist') if resolveOrValue('draft_shield_enabled') else 0) - max(map(abs, extruderValues('machine_nozzle_offset_y'))) - 1",
                     "maximum_value": "machine_depth / 2 - resolveOrValue('prime_tower_size') if machine_center_is_zero else machine_depth - resolveOrValue('prime_tower_size')",
                     "minimum_value": "machine_depth / -2 if machine_center_is_zero else 0",
                     "settable_per_mesh": false,
@@ -5984,7 +5995,7 @@
                 "print_sequence":
                 {
                     "label": "Print Sequence",
-                    "description": "Whether to print all models one layer at a time or to wait for one model to finish, before moving on to the next. One at a time mode is only possible if all models are separated in such a way that the whole print head can move in between and all models are lower than the distance between the nozzle and the X/Y axes.",
+                    "description": "Whether to print all models one layer at a time or to wait for one model to finish, before moving on to the next. One at a time mode is possible if a) only one extruder is enabled and b) all models are separated in such a way that the whole print head can move in between and all models are lower than the distance between the nozzle and the X/Y axes. ",
                     "type": "enum",
                     "options":
                     {
@@ -6666,7 +6677,17 @@
                     "limit_to_extruder": "wall_0_extruder_nr",
                     "settable_per_mesh": true
                 },
-                "magic_fuzzy_skin_thickness":
+                "magic_fuzzy_skin_outside_only":
+                {
+                    "label": "Fuzzy Skin Outside Only",
+                    "description": "Jitter only the parts' outlines and not the parts' holes.",
+                    "type": "bool",
+                    "default_value": false,
+                    "enabled": "magic_fuzzy_skin_enabled",
+                    "limit_to_extruder": "wall_0_extruder_nr",
+                    "settable_per_mesh": true
+                },
+               "magic_fuzzy_skin_thickness":
                 {
                     "label": "Fuzzy Skin Thickness",
                     "description": "The width within which to jitter. It's advised to keep this below the outer wall width, since the inner walls are unaltered.",

resources/definitions/geeetech_A10.def.json

@@ -0,0 +1,57 @@
+{
+    "version": 2,
+    "name": "Geeetech A10",
+    "inherits": "fdmprinter",
+    "metadata": {
+        "visible": true,
+        "author": "Amit L",
+        "manufacturer": "Geeetech",
+        "file_formats": "text/x-gcode",
+        "has_materials": true,
+        "machine_extruder_trains":
+        {
+            "0": "geeetech_A10_1"
+        }
+
+    },
+
+    "overrides": {
+        "machine_name": { "default_value": "Geeetech A10" },
+        "machine_width": {
+            "default_value": 220
+        },
+        "machine_height": {
+            "default_value": 220
+        },
+        "machine_depth": {
+            "default_value": 260
+        },        "machine_center_is_zero": {
+            "default_value": false
+        },
+        "layer_height": { "default_value": 0.1 },
+        "layer_height_0": { "default_value": 0.15 },
+        "retraction_amount": { "default_value": 0.8 },
+        "retraction_speed": { "default_value": 35 },
+        "adhesion_type": { "default_value": "skirt" },
+        "machine_head_with_fans_polygon": { "default_value": [[-31,31],[34,31],[34,-40],[-31,-40]] },
+        "gantry_height": { "value": "28" },
+        "machine_max_feedrate_z": { "default_value": 12 },
+        "machine_max_feedrate_e": { "default_value": 120 },
+        "machine_max_acceleration_z": { "default_value": 500 },
+        "machine_acceleration": { "default_value": 1000 },
+        "machine_max_jerk_xy": { "default_value": 10 },
+        "machine_max_jerk_z": { "default_value": 0.2 },
+        "machine_max_jerk_e": { "default_value": 2.5 },
+        "machine_gcode_flavor": { "default_value": "RepRap (Marlin/Sprinter)" },
+        "machine_start_gcode": {
+            "default_value": "G28 \nG1 Z15 F300\nM107\nG90\nM82\nM104 S215\nM140 S55\nG92 E0\nM109 S215\nM107\nG0 X10 Y20 F6000\nG1 Z0.8\nG1 F300 X180 E40\nG1 F1200 Z2\nG92 E0\nG28"
+        },
+        "machine_end_gcode": {
+            "default_value": "G91\nG1 E-1\nG0 X0 Y200\nM104 S0\nG90\nG92 E0\nM140 S0\nM84\nM104 S0\nM140 S0\nM84"
+        },
+        "machine_extruder_count": {
+            "default_value": 1
+        }
+
+    }
+}

resources/definitions/geeetech_A10M.def.json

@@ -0,0 +1,58 @@
+{
+    "version": 2,
+    "name": "Geeetech A10M",
+    "inherits": "fdmprinter",
+    "metadata": {
+        "visible": true,
+        "author": "Amit L",
+        "manufacturer": "Geeetech",
+        "file_formats": "text/x-gcode",
+        "has_materials": true,
+        "machine_extruder_trains":
+        {
+            "0": "geeetech_A10M_1",
+            "1": "geeetech_A10M_2"
+        }
+
+    },
+
+    "overrides": {
+        "machine_name": { "default_value": "Geeetech A10M" },
+        "machine_width": {
+            "default_value": 220
+        },
+        "machine_height": {
+            "default_value": 220
+        },
+        "machine_depth": {
+            "default_value": 260
+        },        "machine_center_is_zero": {
+            "default_value": false
+        },
+        "layer_height": { "default_value": 0.1 },
+        "layer_height_0": { "default_value": 0.15 },
+        "retraction_amount": { "default_value": 0.8 },
+        "retraction_speed": { "default_value": 35 },
+        "adhesion_type": { "default_value": "skirt" },
+        "machine_head_with_fans_polygon": { "default_value": [[-31,31],[34,31],[34,-40],[-31,-40]] },
+        "gantry_height": { "value": "28" },
+        "machine_max_feedrate_z": { "default_value": 12 },
+        "machine_max_feedrate_e": { "default_value": 120 },
+        "machine_max_acceleration_z": { "default_value": 500 },
+        "machine_acceleration": { "default_value": 1000 },
+        "machine_max_jerk_xy": { "default_value": 10 },
+        "machine_max_jerk_z": { "default_value": 0.2 },
+        "machine_max_jerk_e": { "default_value": 2.5 },
+        "machine_gcode_flavor": { "default_value": "RepRap (Marlin/Sprinter)" },
+        "machine_start_gcode": {
+            "default_value": "G28 \nG1 Z15 F300\nM107\nG90\nM82\nM104 S215\nM140 S55\nG92 E0\nM109 S215\nM107\nM163 S0 P0.50\nM163 S1 P0.50\nM164 S4\nG0 X10 Y20 F6000\nG1 Z0.8\nG1 F300 X180 E40\nG1 F1200 Z2\nG92 E0\nG28"
+        },
+        "machine_end_gcode": {
+            "default_value": "G91\nG1 E-1\nG0 X0 Y200\nM104 S0\nG90\nG92 E0\nM140 S0\nM84\nM104 S0\nM140 S0\nM84"
+        },
+        "machine_extruder_count": {
+            "default_value": 2
+        }
+
+    }
+}

resources/definitions/geeetech_A10T.def.json

@@ -0,0 +1,59 @@
+{
+    "version": 2,
+    "name": "Geeetech A10T",
+    "inherits": "fdmprinter",
+    "metadata": {
+        "visible": true,
+        "author": "Amit L",
+        "manufacturer": "Geeetech",
+        "file_formats": "text/x-gcode",
+        "has_materials": true,
+        "machine_extruder_trains":
+        {
+            "0": "geeetech_A10T_1",
+            "1": "geeetech_A10T_2",
+            "2": "geeetech_A10T_3"
+        }
+
+    },
+
+    "overrides": {
+        "machine_name": { "default_value": "Geeetech A10T" },
+        "machine_width": {
+            "default_value": 220
+        },
+        "machine_height": {
+            "default_value": 220
+        },
+        "machine_depth": {
+            "default_value": 260
+        },        "machine_center_is_zero": {
+            "default_value": false
+        },
+        "layer_height": { "default_value": 0.1 },
+        "layer_height_0": { "default_value": 0.15 },
+        "retraction_amount": { "default_value": 0.8 },
+        "retraction_speed": { "default_value": 35 },
+        "adhesion_type": { "default_value": "skirt" },
+        "machine_head_with_fans_polygon": { "default_value": [[-31,31],[34,31],[34,-40],[-31,-40]] },
+        "gantry_height": { "value": "28" },
+        "machine_max_feedrate_z": { "default_value": 12 },
+        "machine_max_feedrate_e": { "default_value": 120 },
+        "machine_max_acceleration_z": { "default_value": 500 },
+        "machine_acceleration": { "default_value": 1000 },
+        "machine_max_jerk_xy": { "default_value": 10 },
+        "machine_max_jerk_z": { "default_value": 0.2 },
+        "machine_max_jerk_e": { "default_value": 2.5 },
+        "machine_gcode_flavor": { "default_value": "RepRap (Marlin/Sprinter)" },
+        "machine_start_gcode": {
+            "default_value": "G28 \nG1 Z15 F300\nM107\nG90\nM82\nM104 S215\nM140 S55\nG92 E0\nM109 S215\nM107\nM163 S0 P0.33\nM163 S1 P0.33\nM163 S2 P0.33\nM164 S4\nG0 X10 Y20 F6000\nG1 Z0.8\nG1 F300 X180 E40\nG1 F1200 Z2\nG92 E0\nG28"
+        },
+        "machine_end_gcode": {
+            "default_value": "G91\nG1 E-1\nG0 X0 Y200\nM104 S0\nG90\nG92 E0\nM140 S0\nM84\nM104 S0\nM140 S0\nM84"
+        },
+        "machine_extruder_count": {
+            "default_value": 3
+        }
+
+    }
+}

resources/definitions/geeetech_A20.def.json

@@ -0,0 +1,57 @@
+{
+    "version": 2,
+    "name": "Geeetech A20",
+    "inherits": "fdmprinter",
+    "metadata": {
+        "visible": true,
+        "author": "Amit L",
+        "manufacturer": "Geeetech",
+        "file_formats": "text/x-gcode",
+        "has_materials": true,
+        "machine_extruder_trains":
+        {
+            "0": "geeetech_A20_1"
+        }
+
+    },
+
+    "overrides": {
+        "machine_name": { "default_value": "Geeetech A20" },
+        "machine_width": {
+            "default_value": 250
+        },
+        "machine_height": {
+            "default_value": 250
+        },
+        "machine_depth": {
+            "default_value": 250
+        },        "machine_center_is_zero": {
+            "default_value": false
+        },
+        "layer_height": { "default_value": 0.1 },
+        "layer_height_0": { "default_value": 0.15 },
+        "retraction_amount": { "default_value": 0.8 },
+        "retraction_speed": { "default_value": 35 },
+        "adhesion_type": { "default_value": "skirt" },
+        "machine_head_with_fans_polygon": { "default_value": [[-31,31],[34,31],[34,-40],[-31,-40]] },
+        "gantry_height": { "value": "28" },
+        "machine_max_feedrate_z": { "default_value": 12 },
+        "machine_max_feedrate_e": { "default_value": 120 },
+        "machine_max_acceleration_z": { "default_value": 500 },
+        "machine_acceleration": { "default_value": 1000 },
+        "machine_max_jerk_xy": { "default_value": 10 },
+        "machine_max_jerk_z": { "default_value": 0.2 },
+        "machine_max_jerk_e": { "default_value": 2.5 },
+        "machine_gcode_flavor": { "default_value": "RepRap (Marlin/Sprinter)" },
+        "machine_start_gcode": {
+            "default_value": "G28 \nG1 Z15 F300\nM107\nG90\nM82\nM104 S215\nM140 S55\nG92 E0\nM109 S215\nM107\nG0 X10 Y20 F6000\nG1 Z0.8\nG1 F300 X200 E40\nG1 F1200 Z2\nG92 E0\nG28"
+        },
+        "machine_end_gcode": {
+            "default_value": "G91\nG1 E-1\nG0 X0 Y200\nM104 S0\nG90\nG92 E0\nM140 S0\nM84\nM104 S0\nM140 S0\nM84"
+        },
+        "machine_extruder_count": {
+            "default_value": 1
+        }
+
+    }
+}

resources/definitions/geeetech_A20M.def.json

@@ -0,0 +1,58 @@
+{
+    "version": 2,
+    "name": "Geeetech A20M",
+    "inherits": "fdmprinter",
+    "metadata": {
+        "visible": true,
+        "author": "Amit L",
+        "manufacturer": "Geeetech",
+        "file_formats": "text/x-gcode",
+        "has_materials": true,
+        "machine_extruder_trains":
+        {
+            "0": "geeetech_A20M_1",
+            "1": "geeetech_A20M_2"
+        }
+
+    },
+
+    "overrides": {
+        "machine_name": { "default_value": "Geeetech A20M" },
+        "machine_width": {
+            "default_value": 250
+        },
+        "machine_height": {
+            "default_value": 250
+        },
+        "machine_depth": {
+            "default_value": 250
+        },        "machine_center_is_zero": {
+            "default_value": false
+        },
+        "layer_height": { "default_value": 0.1 },
+        "layer_height_0": { "default_value": 0.15 },
+        "retraction_amount": { "default_value": 0.8 },
+        "retraction_speed": { "default_value": 35 },
+        "adhesion_type": { "default_value": "skirt" },
+        "machine_head_with_fans_polygon": { "default_value": [[-31,31],[34,31],[34,-40],[-31,-40]] },
+        "gantry_height": { "value": "28" },
+        "machine_max_feedrate_z": { "default_value": 12 },
+        "machine_max_feedrate_e": { "default_value": 120 },
+        "machine_max_acceleration_z": { "default_value": 500 },
+        "machine_acceleration": { "default_value": 1000 },
+        "machine_max_jerk_xy": { "default_value": 10 },
+        "machine_max_jerk_z": { "default_value": 0.2 },
+        "machine_max_jerk_e": { "default_value": 2.5 },
+        "machine_gcode_flavor": { "default_value": "RepRap (Marlin/Sprinter)" },
+        "machine_start_gcode": {
+            "default_value": "G28 \nG1 Z15 F300\nM107\nG90\nM82\nM104 S215\nM140 S55\nG92 E0\nM109 S215\nM107\nM163 S0 P0.50\nM163 S1 P0.50\nM164 S4\nG0 X10 Y20 F6000\nG1 Z0.8\nG1 F300 X200 E40\nG1 F1200 Z2\nG92 E0\nG28"
+        },
+        "machine_end_gcode": {
+            "default_value": "G91\nG1 E-1\nG0 X0 Y200\nM104 S0\nG90\nG92 E0\nM140 S0\nM84\nM104 S0\nM140 S0\nM84"
+        },
+        "machine_extruder_count": {
+            "default_value": 2
+        }
+
+    }
+}

resources/definitions/geeetech_A20T.def.json

@@ -0,0 +1,59 @@
+{
+    "version": 2,
+    "name": "Geeetech A20T",
+    "inherits": "fdmprinter",
+    "metadata": {
+        "visible": true,
+        "author": "Amit L",
+        "manufacturer": "Geeetech",
+        "file_formats": "text/x-gcode",
+        "has_materials": true,
+        "machine_extruder_trains":
+        {
+            "0": "geeetech_A20T_1",
+            "1": "geeetech_A20T_2",
+            "2": "geeetech_A20T_3"
+        }
+
+    },
+
+    "overrides": {
+        "machine_name": { "default_value": "Geeetech A20T" },
+        "machine_width": {
+            "default_value": 250
+        },
+        "machine_height": {
+            "default_value": 250
+        },
+        "machine_depth": {
+            "default_value": 250
+        },        "machine_center_is_zero": {
+            "default_value": false
+        },
+        "layer_height": { "default_value": 0.1 },
+        "layer_height_0": { "default_value": 0.15 },
+        "retraction_amount": { "default_value": 0.8 },
+        "retraction_speed": { "default_value": 35 },
+        "adhesion_type": { "default_value": "skirt" },
+        "machine_head_with_fans_polygon": { "default_value": [[-31,31],[34,31],[34,-40],[-31,-40]] },
+        "gantry_height": { "value": "28" },
+        "machine_max_feedrate_z": { "default_value": 12 },
+        "machine_max_feedrate_e": { "default_value": 120 },
+        "machine_max_acceleration_z": { "default_value": 500 },
+        "machine_acceleration": { "default_value": 1000 },
+        "machine_max_jerk_xy": { "default_value": 10 },
+        "machine_max_jerk_z": { "default_value": 0.2 },
+        "machine_max_jerk_e": { "default_value": 2.5 },
+        "machine_gcode_flavor": { "default_value": "RepRap (Marlin/Sprinter)" },
+        "machine_start_gcode": {
+            "default_value": "G28 \nG1 Z15 F300\nM107\nG90\nM82\nM104 S215\nM140 S55\nG92 E0\nM109 S215\nM107\nM163 S0 P0.33\nM163 S1 P0.33\nM163 S2 P0.33\nM164 S4\nG0 X10 Y20 F6000\nG1 Z0.8\nG1 F300 X200 E40\nG1 F1200 Z2\nG92 E0\nG28"
+        },
+        "machine_end_gcode": {
+            "default_value": "G91\nG1 E-1\nG0 X0 Y200\nM104 S0\nG90\nG92 E0\nM140 S0\nM84\nM104 S0\nM140 S0\nM84"
+        },
+        "machine_extruder_count": {
+            "default_value": 3
+        }
+
+    }
+}

resources/definitions/makeit_pro_mx.def.json

@@ -0,0 +1,96 @@
+{
+    "version": 2,
+    "name": "MAKEiT Pro-MX",
+    "inherits": "fdmprinter",
+    "metadata": {
+        "visible": true,
+        "author": "unknown",
+        "manufacturer": "MAKEiT 3D",
+        "file_formats": "text/x-gcode",
+        "has_materials": false,
+        "machine_extruder_trains":
+        {
+            "0": "makeit_mx_dual_1st",
+            "1": "makeit_mx_dual_2nd"
+        }
+    },
+
+    "overrides": {
+        "machine_name": { "default_value": "MAKEiT Pro-MX" },
+        "machine_width": {
+            "default_value": 200
+        },
+        "machine_height": {
+            "default_value": 330
+        },
+        "machine_depth": {
+            "default_value": 240
+        },
+        "machine_center_is_zero": {
+            "default_value": false
+        },
+        "machine_head_with_fans_polygon":
+        {
+            "default_value": [
+                [ -200, 240 ],
+                [ -200, -32 ],
+                [ 200, 240 ],
+                [ 200, -32 ]
+            ]
+        },
+        "gantry_height": {
+            "value": "200"
+        },
+        "machine_use_extruder_offset_to_offset_coords": {
+            "default_value": true
+        },
+        "machine_gcode_flavor": {
+            "default_value": "RepRap (Marlin/Sprinter)"
+        },
+        "machine_start_gcode": {
+            "default_value": "G21 ;metric values\nG90 ;absolute positioning\nM82 ;set extruder to absolute mode\nG92 E0 ;zero the extruded length\nG28 ;home\nG1 F200 E30 ;extrude 30 mm of feed stock\nG92 E0 ;zero the extruded length\nG1 E-5 ;retract 5 mm\nG28 SC ;Do homeing, clean nozzles and let printer to know that printing started\nG92 X-6 ;Sets Curas checker board to match printers heated bed coordinates\nG1 F{speed_travel}\nM117 Printing..."
+        },
+        "machine_end_gcode": {
+            "default_value": "M104 T0 S0 ;1st extruder heater off\nM104 T1 S0 ;2nd extruder heater off\nM140 S0 ;heated bed heater off (if you have it)\nG91 ;relative positioning\nG1 E-5 F9000  ;retract the filament a bit before lifting the nozzle, to release some of the pressure\nG1 Z+5 X+20 Y+20 F9000 ;move Z up a bit\nM117 MAKEiT Pro@Done\nG28 X0 Y0 ;move X/Y to min endstops, so the head is out of the way\nM84 ;steppers off\nG90 ;absolute positioning\nM81"
+        },
+        "machine_extruder_count": {
+            "default_value": 2
+        },
+        "print_sequence": {
+            "enabled": false
+        },
+        "prime_tower_position_x": {
+            "value": "185"
+        },
+        "prime_tower_position_y": {
+            "value": "160"
+        },
+        "layer_height": {
+          "default_value": 0.2
+        },
+        "retraction_speed": {
+          "default_value": 180
+        },
+        "infill_sparse_density": {
+          "default_value": 20
+        },
+        "retraction_amount": {
+          "default_value": 6
+        },
+        "speed_print": {
+          "default_value": 60
+        },
+        "wall_thickness": {
+          "default_value": 1.2
+        },
+        "cool_min_layer_time_fan_speed_max": {
+          "default_value": 5
+        },
+        "adhesion_type": {
+          "default_value": "skirt"
+        },
+        "machine_heated_bed": {
+            "default_value": true
+        }
+    }
+}

resources/definitions/mp_mini_delta.def.json

@@ -0,0 +1,76 @@
+{
+	"version": 2,
+    "name": "MP Mini Delta",
+	"inherits": "fdmprinter",
+    "metadata": {
+        "author": "MPMD Facebook Group",
+        "manufacturer": "Monoprice",
+		"category": "Other",
+        "file_formats": "text/x-gcode",
+        "platform": "mp_mini_delta_platform.stl",	
+        "supports_usb_connection": true,
+        "has_machine_quality": false,
+        "visible": true,
+		"platform_offset": [0, 0, 0],
+		"has_materials": true,
+		"has_variants": false,
+		"has_machine_materials": false,
+		"has_variant_materials": false,
+		"preferred_quality_type": "normal",
+        "machine_extruder_trains":
+        {
+            "0": "mp_mini_delta_extruder_0"
+        }
+    },
+
+    "overrides": {
+ 		"machine_start_gcode":
+		{
+			"default_value": ";MPMD Basic Calibration Tutorial: \n; https://www.thingiverse.com/thing:3892011 \n; \n; If you want to put calibration values in your \n; Start Gcode, put them here. \n; \n;If on stock firmware, at minimum, consider adding \n;M665 R here since there is a firmware bug.  \n; \n; Calibration part ends here \n; \nG90 ; switch to absolute positioning \nG92 E0 ; reset extrusion distance \nG1 E20 F200 ; purge 20mm of filament to prime nozzle. \nG92 E0 ; reset extrusion distance \nG4 S5 ; Pause for 5 seconds to allow time for removing extruded filament \nG28 ; start from home position \nG1 E-6 F900 ; retract 6mm of filament before starting the bed leveling process \nG92 E0 ; reset extrusion distance \nG4 S5 ; pause for 5 seconds to allow time for removing extruded filament \nG29 P2 Z0.28 ; Auto-level ; ADJUST Z higher or lower to set first layer height. Start with 0.02 adjustments. \nG1 Z30 ; raise Z 30mm to prepare for priming the nozzle \nG1 E5 F200 ; extrude 5mm of filament to help prime the nozzle just prior to the start of the print \nG92 E0 ; reset extrusion distance \nG4 S5 ; pause for 5 seconds to allow time for cleaning the nozzle and build plate if needed "
+		},
+		"machine_end_gcode":
+		{		
+			"default_value": "M107; \nM104 S0; turn off hotend heater \nM140 S0; turn off bed heater \nG91; Switch to use Relative Coordinates \nG1 E-2 F300; retract the filament a bit before lifting the nozzle to release some of the pressure \nG1 Z5 E-5 F4800; move nozzle up a bit and retract filament even more \nG28 X0; return to home positions so the nozzle is out of the way \nM84; turn off stepper motors \nG90; switch to absolute positioning \nM82; absolute extrusion mode"
+		},
+        "machine_width": { "default_value": 110 },
+        "machine_depth": { "default_value": 110 },
+        "machine_height": { "default_value": 120 },
+        "machine_heated_bed": { "default_value": true },
+        "machine_shape": { "default_value": "elliptic" },
+        "machine_center_is_zero": { "default_value": true },
+        "machine_nozzle_size": {
+            "default_value": 0.4,
+            "minimum_value": 0.10,
+            "maximum_value": 0.80
+        },
+        "layer_height": {
+            "default_value": 0.14, 
+            "minimum_value": 0.04
+        },
+		"layer_height_0": {
+            "default_value": 0.21,
+            "minimum_value": 0.07
+        },
+        "line_width": { "value": "round(machine_nozzle_size * 0.875, 2)" },
+        "material_print_temperature_layer_0": { "value": "material_print_temperature + 5" },
+        "material_bed_temperature_layer_0": { "value": "material_bed_temperature + 5" },
+        "machine_gcode_flavor": { "default_value": "RepRap (Marlin/Sprinter)" },
+        "machine_max_feedrate_x": { "default_value": 150 },
+        "machine_max_feedrate_y": { "default_value": 150 },
+        "machine_max_feedrate_z": { "default_value": 150 },
+        "machine_max_feedrate_e": { "default_value": 50 },
+        "machine_max_acceleration_x": { "default_value": 800 },
+        "machine_max_acceleration_y": { "default_value": 800 },
+        "machine_max_acceleration_z": { "default_value": 800 },
+        "machine_max_acceleration_e": { "default_value": 10000 },
+        "machine_acceleration": { "default_value": 3000 },
+        "machine_max_jerk_xy": { "default_value": 20 },
+        "machine_max_jerk_z": { "default_value": 20 },
+        "machine_max_jerk_e": { "default_value": 5},
+        "retraction_amount": { "default_value": 4 },
+        "retraction_speed": { "default_value": 50 },
+        "retraction_hop_enabled": { "default_value": false },
+        "retract_at_layer_change": { "default_value": true },
+        "coasting_enable": { "default_value": true }
+    }
+}

resources/definitions/renkforce_rf100.def.json

@@ -18,10 +18,10 @@
             "default_value": "skirt"
         },
         "bottom_thickness": {
-            "value": "0.5"
+            "value": "0.6"
         },
         "brim_width": {
-            "value": "2.0"
+            "value": "3.0"
         },
         "cool_fan_enabled": {
             "value": "True"
@@ -39,19 +39,28 @@
             "value": "True"
         },
         "cool_min_layer_time": {
-            "value": "5.0"
+            "value": "1.0"
         },
         "cool_min_speed": {
-            "value": "10.0"
+            "value": "5.0"
         },
         "infill_before_walls": {
             "value": "True"
         },
+        "infill_line_width": {
+            "value": "0.6"
+        },
         "infill_overlap": {
             "value": "15.0"
         },
+        "infill_sparse_density": {
+            "value": "26.0"
+        },
+        "ironing_enabled": {
+            "value": "True"
+        },
         "layer_0_z_overlap": {
-            "value": "0.22"
+            "value": "0.11"
         },
         "layer_height_0": {
             "value": "0.3"
@@ -60,11 +69,23 @@
             "value": "100"
         },
         "machine_end_gcode": {
-            "default_value": ";End GCode\nG91 ;relative positioning\nG1 E-1 F300 ;retract the filament a bit before lifting the nozzle, to release some of the pressure\nG1 E-5 X-20 Y-20 ;retract filament even more\nG28 X0 Y0 ;move X/Y to min endstops, so the head is out of the way\nG0 Z{machine_height} ;move the platform all the way down\nM104 S0 ;extruder heater off\nM140 S0 ;heated bed heater off (if you have it)\nM84 ;steppers off\nG90 ;absolute positioning\nM117 Done"
+            "default_value": ";End GCode\nG91 ;relative positioning\nG1 E-1 F300 ;retract the filament a bit before lifting the nozzle, to release some of the pressure\nG1 Z+0.5 E-4 F300 ;move Z up a bit and retract filament even more\nM104 S0 ;extruder heater off\nM140 S0 ;heated bed heater off (if you have it)\nG0 Z{machine_height} F1800 ;move the platform all the way down\nG28 X0 Y0 F1800 ;move X/Y to min endstops, so the head is out of the way\nM84 ;steppers off\nG90 ;absolute positioning\nM117 Done"
         },
         "machine_gcode_flavor": {
             "default_value": "RepRap (Marlin/Sprinter)"
         },
+        "machine_head_with_fans_polygon":
+        {
+            "default_value": [
+                [-26, -27],
+                [38, -27],
+                [38, 55],
+                [-26, 55]
+            ]
+        },
+        "gantry_height": {
+            "value": "8"
+        },
         "machine_height": {
             "value": "100"
         },
@@ -72,7 +93,7 @@
             "default_value": "Renkforce RF100"
         },
         "machine_start_gcode": {
-            "default_value": ";Start GCode\nG21 ;metric values\nG90 ;absolute positioning\nM82 ;set extruder to absolute mode\nM107 ;start with the fan off\nG28 X0 Y0 ;move X/Y to min endstops\nG28 Z0 ;move Z to min endstops\nG1 Z15.0 ;move the platform down 15mm\nG92 E0 ;zero the extruded length\nG1 F200 E3 ;extrude 3mm of feed stock\nG92 E0 ;zero the extruded length again\n;Put printing message on LCD screen\nM117 Printing..."
+            "default_value": ";Sliced at: {day} {date} {time}\nG21 ;metric values\nG90 ;absolute positioning\nM82 ;set extruder to absolute mode\nM107 ;start with the fan off\nG1 Z5.0 F1800 ;move Z to 5mm\nG28 X0 Y0 F1800 ;move X/Y to min endstops\nG28 Z0 ;move Z to min endstop\nG92 E0 ;zero the extruded length\nG1 F200 E6.0 ;extrude 6.0mm of feed stock to build pressure\nG1 Z5.0 F300 ;move the platform down 5mm\nG92 E0 ;zero the extruded length again\nG1 F1800\n;Put printing message on LCD screen\nM117 Printing..."
         },
         "machine_width": {
             "value": "100"
@@ -90,7 +111,7 @@
             "value": "True"
         },
         "raft_airgap": {
-            "value": "0.22"
+            "value": "0.33"
         },
         "raft_base_line_spacing": {
             "value": "3.0"
@@ -111,22 +132,25 @@
             "value": "0.27"
         },
         "raft_margin": {
-            "value": "5.0"
+            "value": "6.0"
+        },
+        "raft_speed": {
+            "value": "20.0"
         },
         "raft_surface_layers": {
-            "value": "2.0"
+            "value": "2"
         },
         "raft_surface_line_spacing": {
-            "value": "3.0"
+            "value": "0.4"
         },
         "raft_surface_line_width": {
             "value": "0.4"
         },
         "raft_surface_thickness": {
-            "value": "0.27"
+            "value": "0.1"
         },
         "retraction_amount": {
-            "value": "2.0"
+            "value": "5.0"
         },
         "retraction_combing": {
             "default_value": "all"
@@ -134,15 +158,9 @@
         "retraction_enable": {
             "value": "True"
         },
-        "retraction_hop_enabled": {
-            "value": "1.0"
-        },
         "retraction_min_travel": {
             "value": "1.5"
         },
-        "retraction_speed": {
-            "value": "40.0"
-        },
         "skin_overlap": {
             "value": "15.0"
         },
@@ -185,6 +203,9 @@
         "support_infill_rate": {
             "value": "15 if support_enable else 0 if support_tree_enable else 15"
         },
+        "support_line_width": {
+            "value": "0.6"
+        },
         "support_pattern": {
             "default_value": "lines"
         },
@@ -192,13 +213,13 @@
             "default_value": "everywhere"
         },
         "support_xy_distance": {
-            "value": "0.5"
+            "value": "0.7"
         },
         "support_z_distance": {
-            "value": "0.1"
+            "value": "0.35"
         },
-        "top_thickness": {
-            "value": "0.5"
+        "top_bottom_thickness": {
+            "value": "0.8"
         },
         "wall_thickness": {
             "value": "0.8"

resources/definitions/renkforce_rf100_v2.def.json

@@ -0,0 +1,228 @@
+{
+    "version": 2,
+    "name": "Renkforce RF100 V2",
+    "inherits": "fdmprinter",
+    "metadata": {
+        "author": "Simon Peter (based on RF100.ini by Conrad Electronic SE)",
+        "file_formats": "text/x-gcode",
+        "manufacturer": "Renkforce",
+        "visible": true,
+        "machine_extruder_trains":
+        {
+            "0": "renkforce_rf100_extruder_0"
+        }
+    },
+
+    "overrides": {
+        "adhesion_type": {
+            "default_value": "skirt"
+        },
+        "bottom_thickness": {
+            "value": "0.6"
+        },
+        "brim_width": {
+            "value": "3.0"
+        },
+        "cool_fan_enabled": {
+            "value": "True"
+        },
+        "cool_fan_full_at_height": {
+            "value": "0.5"
+        },
+        "cool_fan_speed_max": {
+            "value": "100.0"
+        },
+        "cool_fan_speed_min": {
+            "value": "100.0"
+        },
+        "cool_lift_head": {
+            "value": "True"
+        },
+        "cool_min_layer_time": {
+            "value": "1.0"
+        },
+        "cool_min_speed": {
+            "value": "5.0"
+        },
+        "infill_before_walls": {
+            "value": "True"
+        },
+        "infill_line_width": {
+            "value": "0.6"
+        },
+        "infill_overlap": {
+            "value": "15.0"
+        },
+        "infill_sparse_density": {
+            "value": "26.0"
+        },
+        "ironing_enabled": {
+            "value": "True"
+        },
+        "layer_0_z_overlap": {
+            "value": "0.11"
+        },
+        "layer_height_0": {
+            "value": "0.3"
+        },
+        "machine_depth": {
+            "value": "120"
+        },
+        "machine_end_gcode": {
+            "default_value": ";End GCode\nG91 ;relative positioning\nG1 E-1 F300 ;retract the filament a bit before lifting the nozzle, to release some of the pressure\nG1 Z+0.5 E-4 F300 ;move Z up a bit and retract filament even more\nM104 S0 ;extruder heater off\nM140 S0 ;heated bed heater off (if you have it)\nG0 Z{machine_height} F1800 ;move the platform all the way down\nG28 X0 Y0 F1800 ;move X/Y to min endstops, so the head is out of the way\nM84 ;steppers off\nG90 ;absolute positioning\nM117 Done"
+        },
+        "machine_gcode_flavor": {
+            "default_value": "RepRap (Marlin/Sprinter)"
+        },
+        "machine_head_with_fans_polygon":
+        {
+            "default_value": [
+                [-26, -27],
+                [38, -27],
+                [38, 55],
+                [-26, 55]
+            ]
+        },
+        "gantry_height": {
+            "value": "8"
+        },
+        "machine_height": {
+            "value": "120"
+        },
+        "machine_name": {
+            "default_value": "Renkforce RF100 V2"
+        },
+        "machine_start_gcode": {
+            "default_value": ";Sliced at: {day} {date} {time}\nG21 ;metric values\nG90 ;absolute positioning\nM82 ;set extruder to absolute mode\nM107 ;start with the fan off\nG1 Z5.0 F1800 ;move Z to 5mm\nG28 X0 Y0 F1800 ;move X/Y to min endstops\nG28 Z0 ;move Z to min endstop\nG92 E0 ;zero the extruded length\nG1 F200 E6.0 ;extrude 6.0mm of feed stock to build pressure\nG1 Z5.0 F300 ;move the platform down 5mm\nG92 E0 ;zero the extruded length again\nG1 F1800\n;Put printing message on LCD screen\nM117 Printing..."
+        },
+        "machine_width": {
+            "value": "120"
+        },
+        "material_bed_temperature": {
+            "enabled": false
+        },
+        "material_flow": {
+            "value": "110"
+        },
+        "material_print_temperature": {
+            "value": "210.0"
+        },
+        "ooze_shield_enabled": {
+            "value": "True"
+        },
+        "raft_airgap": {
+            "value": "0.33"
+        },
+        "raft_base_line_spacing": {
+            "value": "3.0"
+        },
+        "raft_base_line_width": {
+            "value": "1.0"
+        },
+        "raft_base_thickness": {
+            "value": "0.3"
+        },
+        "raft_interface_line_spacing": {
+            "value": "3.0"
+        },
+        "raft_interface_line_width": {
+            "value": "0.4"
+        },
+        "raft_interface_thickness": {
+            "value": "0.27"
+        },
+        "raft_margin": {
+            "value": "6.0"
+        },
+        "raft_speed": {
+            "value": "20.0"
+        },
+        "raft_surface_layers": {
+            "value": "2"
+        },
+        "raft_surface_line_spacing": {
+            "value": "0.4"
+        },
+        "raft_surface_line_width": {
+            "value": "0.4"
+        },
+        "raft_surface_thickness": {
+            "value": "0.1"
+        },
+        "retraction_amount": {
+            "value": "5.0"
+        },
+        "retraction_combing": {
+            "default_value": "all"
+        },
+        "retraction_enable": {
+            "value": "True"
+        },
+        "retraction_min_travel": {
+            "value": "1.5"
+        },
+        "skin_overlap": {
+            "value": "15.0"
+        },
+        "skirt_brim_minimal_length": {
+            "value": "150.0"
+        },
+        "skirt_gap": {
+            "value": "3.0"
+        },
+        "skirt_line_count": {
+            "value": "3"
+        },
+        "speed_infill": {
+            "value": "50.0"
+        },
+        "speed_layer_0": {
+            "value": "15.0"
+        },
+        "speed_print": {
+            "value": "50.0"
+        },
+        "speed_topbottom": {
+            "value": "30.0"
+        },
+        "speed_travel": {
+            "value": "50.0"
+        },
+        "speed_wall_0": {
+            "value": "25.0"
+        },
+        "speed_wall_x": {
+            "value": "35.0"
+        },
+        "support_angle": {
+            "value": "60.0"
+        },
+        "support_enable": {
+            "value": "False"
+        },
+        "support_infill_rate": {
+            "value": "15 if support_enable else 0 if support_tree_enable else 15"
+        },
+        "support_line_width": {
+            "value": "0.6"
+        },
+        "support_pattern": {
+            "default_value": "lines"
+        },
+        "support_type": {
+            "default_value": "everywhere"
+        },
+        "support_xy_distance": {
+            "value": "0.7"
+        },
+        "support_z_distance": {
+            "value": "0.35"
+        },
+        "top_bottom_thickness": {
+            "value": "0.8"
+        },
+        "wall_thickness": {
+            "value": "0.8"
+        }
+    }
+}

resources/definitions/renkforce_rf100_xl.def.json

@@ -0,0 +1,216 @@
+{
+    "version": 2,
+    "name": "Renkforce RF100 XL",
+    "inherits": "fdmprinter",
+    "metadata": {
+        "author": "Simon Peter (based on RF100.ini by Conrad Electronic SE)",
+        "file_formats": "text/x-gcode",
+        "manufacturer": "Renkforce",
+        "visible": true,
+        "machine_extruder_trains":
+        {
+            "0": "renkforce_rf100_xl_extruder_0"
+        }
+    },
+
+    "overrides": {
+        "adhesion_type": {
+            "default_value": "skirt"
+        },
+        "bottom_thickness": {
+            "value": "0.6"
+        },
+        "brim_width": {
+            "value": "3.0"
+        },
+        "cool_fan_enabled": {
+            "value": "True"
+        },
+        "cool_fan_full_at_height": {
+            "value": "0.5"
+        },
+        "cool_fan_speed_max": {
+            "value": "100.0"
+        },
+        "cool_fan_speed_min": {
+            "value": "100.0"
+        },
+        "cool_lift_head": {
+            "value": "True"
+        },
+        "cool_min_layer_time": {
+            "value": "1.0"
+        },
+        "cool_min_speed": {
+            "value": "5.0"
+        },
+        "infill_before_walls": {
+            "value": "True"
+        },
+        "infill_line_width": {
+            "value": "0.6"
+        },
+        "infill_overlap": {
+            "value": "15.0"
+        },
+        "infill_sparse_density": {
+            "value": "26.0"
+        },
+        "ironing_enabled": {
+            "value": "True"
+        },
+        "layer_0_z_overlap": {
+            "value": "0.11"
+        },
+        "layer_height_0": {
+            "value": "0.3"
+        },
+        "machine_depth": {
+            "value": "200"
+        },
+        "machine_end_gcode": {
+            "default_value": ";End GCode\nG91 ;relative positioning\nG1 E-1 F300 ;retract the filament a bit before lifting the nozzle, to release some of the pressure\nG1 Z+0.5 E-4 F300 ;move Z up a bit and retract filament even more\nM104 S0 ;extruder heater off\nM140 S0 ;heated bed heater off (if you have it)\nG0 Z{machine_height} F1800 ;move the platform all the way down\nG28 X0 Y0 F1800 ;move X/Y to min endstops, so the head is out of the way\nM84 ;steppers off\nG90 ;absolute positioning\nM117 Done"
+        },
+        "machine_gcode_flavor": {
+            "default_value": "RepRap (Marlin/Sprinter)"
+        },
+        "machine_heated_bed": {
+            "default_value": "true"
+        },
+        "machine_height": {
+            "value": "200"
+        },
+        "machine_name": {
+            "default_value": "Renkforce RF100 XL"
+        },
+        "machine_start_gcode": {
+            "default_value": ";Sliced at: {day} {date} {time}\nG21 ;metric values\nG90 ;absolute positioning\nM82 ;set extruder to absolute mode\nM107 ;start with the fan off\nG1 Z5.0 F1800 ;move Z to 5mm\nG28 X0 Y0 F1800 ;move X/Y to min endstops\nG28 Z0 ;move Z to min endstop\nG92 E0 ;zero the extruded length\nG1 F200 E6.0 ;extrude 6.0mm of feed stock to build pressure\nG1 Z5.0 F300 ;move the platform down 5mm\nG92 E0 ;zero the extruded length again\nG1 F1800\n;Put printing message on LCD screen\nM117 Printing..."
+        },
+        "machine_width": {
+            "value": "200"
+        },
+        "material_bed_temperature": {
+            "value": "70"
+        },
+        "material_print_temperature": {
+            "value": "210.0"
+        },
+        "ooze_shield_enabled": {
+            "value": "True"
+        },
+        "raft_airgap": {
+            "value": "0.33"
+        },
+        "raft_base_line_spacing": {
+            "value": "3.0"
+        },
+        "raft_base_line_width": {
+            "value": "1.0"
+        },
+        "raft_base_thickness": {
+            "value": "0.3"
+        },
+        "raft_interface_line_spacing": {
+            "value": "3.0"
+        },
+        "raft_interface_line_width": {
+            "value": "0.4"
+        },
+        "raft_interface_thickness": {
+            "value": "0.27"
+        },
+        "raft_margin": {
+            "value": "6.0"
+        },
+        "raft_speed": {
+            "value": "20.0"
+        },
+        "raft_surface_layers": {
+            "value": "2"
+        },
+        "raft_surface_line_spacing": {
+            "value": "0.4"
+        },
+        "raft_surface_line_width": {
+            "value": "0.4"
+        },
+        "raft_surface_thickness": {
+            "value": "0.1"
+        },
+        "retraction_amount": {
+            "value": "5.0"
+        },
+        "retraction_combing": {
+            "default_value": "all"
+        },
+        "retraction_enable": {
+            "value": "True"
+        },
+        "retraction_min_travel": {
+            "value": "1.5"
+        },
+        "skin_overlap": {
+            "value": "15.0"
+        },
+        "skirt_brim_minimal_length": {
+            "value": "150.0"
+        },
+        "skirt_gap": {
+            "value": "3.0"
+        },
+        "skirt_line_count": {
+            "value": "3"
+        },
+        "speed_infill": {
+            "value": "50.0"
+        },
+        "speed_layer_0": {
+            "value": "15.0"
+        },
+        "speed_print": {
+            "value": "50.0"
+        },
+        "speed_topbottom": {
+            "value": "30.0"
+        },
+        "speed_travel": {
+            "value": "50.0"
+        },
+        "speed_wall_0": {
+            "value": "25.0"
+        },
+        "speed_wall_x": {
+            "value": "35.0"
+        },
+        "support_angle": {
+            "value": "60.0"
+        },
+        "support_enable": {
+            "value": "False"
+        },
+        "support_infill_rate": {
+            "value": "15 if support_enable else 0 if support_tree_enable else 15"
+        },
+        "support_line_width": {
+            "value": "0.6"
+        },
+        "support_pattern": {
+            "default_value": "lines"
+        },
+        "support_type": {
+            "default_value": "everywhere"
+        },
+        "support_xy_distance": {
+            "value": "0.7"
+        },
+        "support_z_distance": {
+            "value": "0.35"
+        },
+        "top_bottom_thickness": {
+            "value": "0.8"
+        },
+        "wall_thickness": {
+            "value": "0.8"
+        }
+    }
+}

resources/extruders/geeetech_A10M_1.def.json

@@ -0,0 +1,19 @@
+{
+    "version": 2,
+    "name": "Extruder 1",
+    "inherits": "fdmextruder",
+    "metadata": {
+        "machine": "geeetech_A10M",
+        "position": "0"
+    },
+
+    "overrides": {
+        "extruder_nr": {
+            "default_value": 0,
+            "maximum_value": "1"
+        },
+        "machine_nozzle_size": { "default_value": 0.4 },
+        "material_diameter": { "default_value": 1.75 }
+
+    }
+}

resources/extruders/geeetech_A10M_2.def.json

@@ -0,0 +1,19 @@
+{
+    "version": 2,
+    "name": "Extruder 2",
+    "inherits": "fdmextruder",
+    "metadata": {
+        "machine": "geeetech_A10M",
+        "position": "1"
+    },
+
+    "overrides": {
+        "extruder_nr": {
+            "default_value": 1,
+            "maximum_value": "1"
+        },
+        "machine_nozzle_size": { "default_value": 0.4 },
+        "material_diameter": { "default_value": 1.75 }
+
+    }
+}

resources/extruders/geeetech_A10T_1.def.json

@@ -0,0 +1,19 @@
+{
+    "version": 2,
+    "name": "Extruder 1",
+    "inherits": "fdmextruder",
+    "metadata": {
+        "machine": "geeetech_A10T",
+        "position": "0"
+    },
+
+    "overrides": {
+        "extruder_nr": {
+            "default_value": 0,
+            "maximum_value": "2"
+        },
+        "machine_nozzle_size": { "default_value": 0.4 },
+        "material_diameter": { "default_value": 1.75 }
+
+    }
+}

resources/extruders/geeetech_A10T_2.def.json

@@ -0,0 +1,19 @@
+{
+    "version": 2,
+    "name": "Extruder 2",
+    "inherits": "fdmextruder",
+    "metadata": {
+        "machine": "geeetech_A10T",
+        "position": "1"
+    },
+
+    "overrides": {
+        "extruder_nr": {
+            "default_value": 1,
+            "maximum_value": "2"
+        },
+        "machine_nozzle_size": { "default_value": 0.4 },
+        "material_diameter": { "default_value": 1.75 }
+
+    }
+}

resources/extruders/geeetech_A10T_3.def.json

@@ -0,0 +1,19 @@
+{
+    "version": 2,
+    "name": "Extruder 3",
+    "inherits": "fdmextruder",
+    "metadata": {
+        "machine": "geeetech_A10T",
+        "position": "2"
+    },
+
+    "overrides": {
+        "extruder_nr": {
+            "default_value": 2,
+            "maximum_value": "2"
+        },
+        "machine_nozzle_size": { "default_value": 0.4 },
+        "material_diameter": { "default_value": 1.75 }
+
+    }
+}

resources/extruders/geeetech_A10_1.def.json

@@ -0,0 +1,17 @@
+{
+    
+    "version": 2,
+    "name": "Extruder 1",
+    "inherits": "fdmextruder",
+    "metadata": {
+        "machine": "geeetech_A10",
+        "position": "0"
+    },
+
+    "overrides": {
+        "extruder_nr": { "default_value": 0        },
+        "machine_nozzle_size": { "default_value": 0.4 },
+        "material_diameter": { "default_value": 1.75 }
+
+    }
+}

resources/extruders/geeetech_A20M_1.def.json

@@ -0,0 +1,19 @@
+{
+    "version": 2,
+    "name": "Extruder 1",
+    "inherits": "fdmextruder",
+    "metadata": {
+        "machine": "geeetech_A20M",
+        "position": "0"
+    },
+
+    "overrides": {
+        "extruder_nr": {
+            "default_value": 0,
+            "maximum_value": "1"
+        },
+        "machine_nozzle_size": { "default_value": 0.4 },
+        "material_diameter": { "default_value": 1.75 }
+
+    }
+}

resources/extruders/geeetech_A20M_2.def.json

@@ -0,0 +1,19 @@
+{
+    "version": 2,
+    "name": "Extruder 2",
+    "inherits": "fdmextruder",
+    "metadata": {
+        "machine": "geeetech_A20M",
+        "position": "1"
+    },
+
+    "overrides": {
+        "extruder_nr": {
+            "default_value": 1,
+            "maximum_value": "1"
+        },
+        "machine_nozzle_size": { "default_value": 0.4 },
+        "material_diameter": { "default_value": 1.75 }
+
+    }
+}

resources/extruders/geeetech_A20T_1.def.json

@@ -0,0 +1,19 @@
+{
+    "version": 2,
+    "name": "Extruder 1",
+    "inherits": "fdmextruder",
+    "metadata": {
+        "machine": "geeetech_A20T",
+        "position": "0"
+    },
+
+    "overrides": {
+        "extruder_nr": {
+            "default_value": 0,
+            "maximum_value": "2"
+        },
+        "machine_nozzle_size": { "default_value": 0.4 },
+        "material_diameter": { "default_value": 1.75 }
+
+    }
+}

resources/extruders/geeetech_A20T_2.def.json

@@ -0,0 +1,19 @@
+{
+    "version": 2,
+    "name": "Extruder 2",
+    "inherits": "fdmextruder",
+    "metadata": {
+        "machine": "geeetech_A20T",
+        "position": "1"
+    },
+
+    "overrides": {
+        "extruder_nr": {
+            "default_value": 1,
+            "maximum_value": "2"
+        },
+        "machine_nozzle_size": { "default_value": 0.4 },
+        "material_diameter": { "default_value": 1.75 }
+
+    }
+}

resources/extruders/geeetech_A20T_3.def.json

@@ -0,0 +1,19 @@
+{
+    "version": 2,
+    "name": "Extruder 3",
+    "inherits": "fdmextruder",
+    "metadata": {
+        "machine": "geeetech_A20T",
+        "position": "2"
+    },
+
+    "overrides": {
+        "extruder_nr": {
+            "default_value": 2,
+            "maximum_value": "2"
+        },
+        "machine_nozzle_size": { "default_value": 0.4 },
+        "material_diameter": { "default_value": 1.75 }
+
+    }
+}

resources/extruders/geeetech_A20_1.def.json

@@ -0,0 +1,16 @@
+{
+    "version": 2,
+    "name": "Extruder 1",
+    "inherits": "fdmextruder",
+    "metadata": {
+        "machine": "geeetech_A20",
+        "position": "0"
+    },
+
+    "overrides": {
+        "extruder_nr": { "default_value": 0        },
+        "machine_nozzle_size": { "default_value": 0.4 },
+        "material_diameter": { "default_value": 1.75 }
+
+    }
+}

resources/extruders/makeit_mx_dual_1st.def.json

@@ -0,0 +1,27 @@
+{
+    "version": 2,
+    "name": "1st Extruder",
+    "inherits": "fdmextruder",
+    "metadata": {
+        "machine": "makeit_pro_mx",
+        "position": "0"
+    },
+
+    "overrides": {
+        "extruder_nr": {
+            "default_value": 0,
+            "maximum_value": "1"
+        },
+        "machine_nozzle_offset_x": { "default_value": 0.0 },
+        "machine_nozzle_offset_y": { "default_value": 0.0 },
+        "machine_nozzle_size": { "default_value": 0.4 },
+        "material_diameter": { "default_value": 1.75 },
+
+        "machine_extruder_start_pos_abs": { "default_value": true },
+        "machine_extruder_start_pos_x": { "value": "prime_tower_position_x" },
+        "machine_extruder_start_pos_y": { "value": "prime_tower_position_y" },
+        "machine_extruder_end_pos_abs": { "default_value": true },
+        "machine_extruder_end_pos_x": { "value": "prime_tower_position_x" },
+        "machine_extruder_end_pos_y": { "value": "prime_tower_position_y" }
+    }
+}

resources/extruders/makeit_mx_dual_2nd.def.json

@@ -0,0 +1,27 @@
+{
+    "version": 2,
+    "name": "2nd Extruder",
+    "inherits": "fdmextruder",
+    "metadata": {
+        "machine": "makeit_pro_mx",
+        "position": "1"
+    },
+
+    "overrides": {
+        "extruder_nr": {
+            "default_value": 1,
+            "maximum_value": "1"
+        },
+        "machine_nozzle_offset_x": { "default_value": 0.0 },
+        "machine_nozzle_offset_y": { "default_value": 0.0 },
+        "machine_nozzle_size": { "default_value": 0.4 },
+        "material_diameter": { "default_value": 1.75 },
+
+        "machine_extruder_start_pos_abs": { "default_value": true },
+        "machine_extruder_start_pos_x": { "value": "prime_tower_position_x" },
+        "machine_extruder_start_pos_y": { "value": "prime_tower_position_y" },
+        "machine_extruder_end_pos_abs": { "default_value": true },
+        "machine_extruder_end_pos_x": { "value": "prime_tower_position_x" },
+        "machine_extruder_end_pos_y": { "value": "prime_tower_position_y" }
+    }
+}

resources/extruders/mp_mini_delta_extruder_0.def.json

@@ -0,0 +1,15 @@
+{
+    "version": 2,
+    "name": "Extruder 0",
+    "inherits": "fdmextruder",
+    "metadata": {
+        "machine": "mp_mini_delta",
+        "position": "0"
+    },
+
+    "overrides": {
+        "extruder_nr": { "default_value": 0 },
+        "machine_nozzle_size": { "default_value": 0.4 },
+        "material_diameter": { "default_value": 1.75 }
+    }
+}

resources/extruders/renkforce_rf100_xl_extruder_0.def.json

@@ -0,0 +1,15 @@
+{
+    "version": 2,
+    "name": "Extruder 1",
+    "inherits": "fdmextruder",
+    "metadata": {
+        "machine": "renkforce_rf100_xl",
+        "position": "0"
+    },
+
+    "overrides": {
+        "extruder_nr": { "default_value": 0 },
+        "machine_nozzle_size": { "default_value": 0.4 },
+        "material_diameter": { "default_value": 1.75 }
+    }
+}

resources/qml/Cura.qml

@@ -238,7 +238,7 @@ UM.MainWindow
                             if (filename.toLowerCase().endsWith(".curapackage"))
                             {
                                 // Try to install plugin & close.
-                                CuraApplication.getPackageManager().installPackageViaDragAndDrop(filename);
+                                CuraApplication.installPackageViaDragAndDrop(filename);
                                 packageInstallDialog.text = catalog.i18nc("@label", "This package will be installed after restarting.");
                                 packageInstallDialog.icon = StandardIcon.Information;
                                 packageInstallDialog.open();

resources/qml/MainWindow/ApplicationMenu.qml

@@ -127,8 +127,8 @@ Item
         icon: StandardIcon.Question
         onYes:
         {
-            CuraApplication.deleteAll();
-            Cura.Actions.resetProfile.trigger();
+            CuraApplication.resetWorkspace()
+            Cura.Actions.resetProfile.trigger()
             UM.Controller.setActiveStage("PrepareStage")
         }
     }

resources/qml/Preferences/Materials/MaterialsPage.qml

@@ -125,6 +125,7 @@ Item
             id: createMenuButton
             text: catalog.i18nc("@action:button", "Create")
             iconName: "list-add"
+            enabled: Cura.MachineManager.activeMachine.hasMaterials
             onClicked:
             {
                 forceActiveFocus();
@@ -174,7 +175,7 @@ Item
                 forceActiveFocus();
                 importMaterialDialog.open();
             }
-            visible: true
+            enabled: Cura.MachineManager.activeMachine.hasMaterials
         }
 
         // Export button

resources/qml/Toolbar.qml

@@ -202,8 +202,9 @@ Item
     // dragging a tool handle.
     Rectangle
     {
-        x: -base.x + base.mouseX + UM.Theme.getSize("default_margin").width
-        y: -base.y + base.mouseY + UM.Theme.getSize("default_margin").height
+        id: toolInfo
+        x: visible ? -base.x + base.mouseX + UM.Theme.getSize("default_margin").width: 0
+        y: visible ? -base.y + base.mouseY + UM.Theme.getSize("default_margin").height: 0
 
         width: toolHint.width + UM.Theme.getSize("default_margin").width
         height: toolHint.height;

resources/qml/Widgets/ScrollableTextArea.qml

@@ -1,36 +1,36 @@
-// Copyright (c) 2019 Ultimaker B.V.
-// Cura is released under the terms of the LGPLv3 or higher.
-
-import QtQuick 2.10
-import QtQuick.Controls 2.3
-
-import UM 1.3 as UM
-import Cura 1.1 as Cura
-
-
-//
-// Cura-style TextArea with scrolls
-//
-ScrollView
-{
-    property alias textArea: _textArea
-
-    clip: true
-
-    background: Rectangle  // Border
-    {
-        color: UM.Theme.getColor("main_background")
-        border.color: UM.Theme.getColor("lining")
-        border.width: UM.Theme.getSize("default_lining").width
-    }
-
-    TextArea
-    {
-        id: _textArea
-        font: UM.Theme.getFont("default")
-        color: UM.Theme.getColor("text")
-        textFormat: TextEdit.PlainText
-        renderType: Text.NativeRendering
-        selectByMouse: true
-    }
-}
+// Copyright (c) 2019 Ultimaker B.V.
+// Cura is released under the terms of the LGPLv3 or higher.
+
+import QtQuick 2.10
+import QtQuick.Controls 2.3
+
+import UM 1.3 as UM
+import Cura 1.1 as Cura
+
+
+//
+// Cura-style TextArea with scrolls
+//
+ScrollView
+{
+    property alias textArea: _textArea
+
+    clip: true
+
+    background: Rectangle  // Border
+    {
+        color: UM.Theme.getColor("main_background")
+        border.color: UM.Theme.getColor("thick_lining")
+        border.width: UM.Theme.getSize("default_lining").width
+    }
+
+    TextArea
+    {
+        id: _textArea
+        font: UM.Theme.getFont("default")
+        color: UM.Theme.getColor("text")
+        textFormat: TextEdit.PlainText
+        renderType: Text.NativeRendering
+        selectByMouse: true
+    }
+}

resources/setting_visibility/expert.cfg

@@ -388,6 +388,7 @@ support_conical_enabled
 support_conical_angle
 support_conical_min_width
 magic_fuzzy_skin_enabled
+magic_fuzzy_skin_outside_only
 magic_fuzzy_skin_thickness
 magic_fuzzy_skin_point_density
 magic_fuzzy_skin_point_dist

resources/themes/cura-dark/theme.json

@@ -8,7 +8,7 @@
         "main_background": [39, 44, 48, 255],
         "message_background": [39, 44, 48, 255],
         "wide_lining": [31, 36, 39, 255],
-        "thick_lining": [255, 255, 255, 30],
+        "thick_lining": [255, 255, 255, 60],
         "lining": [64, 69, 72, 255],
         "viewport_overlay": [30, 36, 39, 255],
 

resources/themes/cura-light/theme.json

@@ -149,7 +149,7 @@
 
         "main_background": [255, 255, 255, 255],
         "wide_lining": [245, 245, 245, 255],
-        "thick_lining": [127, 127, 127, 255],
+        "thick_lining": [180, 180, 180, 255],
         "lining": [192, 193, 194, 255],
         "viewport_overlay": [246, 246, 246, 255],
 
@@ -520,6 +520,7 @@
         "action_button": [15.0, 2.5],
         "action_button_icon": [1.0, 1.0],
         "action_button_radius": [0.15, 0.15],
+        "dialog_primary_button_padding": [3.0, 0],
 
         "radio_button": [1.3, 1.3],
 

scripts/check_invalid_imports.py

@@ -0,0 +1,65 @@
+import os
+import re
+import sys
+from pathlib import Path
+
+"""
+Run this file with the Cura project root as the working directory
+Checks for invalid imports. When importing from plugins, there will be no problems when running from source, 
+but for some build types the plugins dir is not on the path, so relative imports should be used instead. eg:
+from ..UltimakerCloudScope import UltimakerCloudScope  <-- OK
+import plugins.Toolbox.src ...  <-- NOT OK
+"""
+
+
+class InvalidImportsChecker:
+    # compile regex
+    REGEX = re.compile(r"^\s*(from plugins|import plugins)")
+
+    def check(self):
+        """ Checks for invalid imports
+
+        :return: True if checks passed, False when the test fails
+        """
+        cwd = os.getcwd()
+        cura_result = checker.check_dir(os.path.join(cwd, "cura"))
+        plugins_result = checker.check_dir(os.path.join(cwd, "plugins"))
+        result = cura_result and plugins_result
+        if not result:
+            print("error: sources contain invalid imports. Use relative imports when referencing plugin source files")
+
+        return result
+
+    def check_dir(self, root_dir: str) -> bool:
+        """ Checks a directory for invalid imports
+
+        :return: True if checks passed, False when the test fails
+        """
+        passed = True
+        for path_like in Path(root_dir).rglob('*.py'):
+            if not self.check_file(str(path_like)):
+                passed = False
+
+        return passed
+
+    def check_file(self, file_path):
+        """ Checks a file for invalid imports
+
+        :return: True if checks passed, False when the test fails
+        """
+        passed = True
+        with open(file_path, 'r', encoding = "utf-8") as inputFile:
+            # loop through each line in file
+            for line_i, line in enumerate(inputFile, 1):
+                # check if we have a regex match
+                match = self.REGEX.search(line)
+                if match:
+                    path = os.path.relpath(file_path)
+                    print("{path}:{line_i}:{match}".format(path=path, line_i=line_i, match=match.group(1)))
+                    passed = False
+        return passed
+
+
+if __name__ == "__main__":
+    checker = InvalidImportsChecker()
+    sys.exit(0 if checker.check() else 1)