Merge branch 'master' into ppscript_pre_secure

CMakeLists.txt

@@ -5,8 +5,8 @@ include(GNUInstallDirs)
 
 list(APPEND CMAKE_MODULE_PATH ${CMAKE_SOURCE_DIR}/cmake)
 
-set(URANIUM_DIR "${CMAKE_SOURCE_DIR}/../Uranium" CACHE DIRECTORY "The location of the Uranium repository")
-set(URANIUM_SCRIPTS_DIR "${URANIUM_DIR}/scripts" CACHE DIRECTORY "The location of the scripts directory of the Uranium repository")
+set(URANIUM_DIR "${CMAKE_SOURCE_DIR}/../Uranium" CACHE PATH "The location of the Uranium repository")
+set(URANIUM_SCRIPTS_DIR "${URANIUM_DIR}/scripts" CACHE PATH "The location of the scripts directory of the Uranium repository")
 
 # Tests
 include(CuraTests)
@@ -23,6 +23,7 @@ set(CURA_BUILDTYPE "" CACHE STRING "Build type of Cura, eg. 'PPA'")
 set(CURA_CLOUD_API_ROOT "" CACHE STRING "Alternative Cura cloud API root")
 set(CURA_CLOUD_API_VERSION "" CACHE STRING "Alternative Cura cloud API version")
 set(CURA_CLOUD_ACCOUNT_API_ROOT "" CACHE STRING "Alternative Cura cloud account API version")
+set(CURA_MARKETPLACE_ROOT "" CACHE STRING "Alternative Marketplace location")
 
 configure_file(${CMAKE_SOURCE_DIR}/cura.desktop.in ${CMAKE_BINARY_DIR}/cura.desktop @ONLY)
 

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/ApplicationMetadata.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.
 
 # ---------
@@ -13,7 +13,7 @@ DEFAULT_CURA_DEBUG_MODE = False
 # Each release has a fixed SDK version coupled with it. It doesn't make sense to make it configurable because, for
 # example Cura 3.2 with SDK version 6.1 will not work. So the SDK version is hard-coded here and left out of the
 # CuraVersion.py.in template.
-CuraSDKVersion = "7.0.0"
+CuraSDKVersion = "7.1.0"
 
 try:
     from cura.CuraVersion import CuraAppName  # type: ignore

cura/Arranging/Arrange.py

@@ -173,7 +173,10 @@ class Arrange:
     def bestSpot(self, shape_arr, start_prio = 0, step = 1):
         start_idx_list = numpy.where(self._priority_unique_values == start_prio)
         if start_idx_list:
-            start_idx = start_idx_list[0][0]
+            try:
+                start_idx = start_idx_list[0][0]
+            except IndexError:
+                start_idx = 0
         else:
             start_idx = 0
         for priority in self._priority_unique_values[start_idx::step]:

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/CrashHandler.py

@@ -10,7 +10,7 @@ import os.path
 import uuid
 import json
 import locale
-from typing import cast
+from typing import cast, Any
 
 try:
     from sentry_sdk.hub import Hub
@@ -32,6 +32,8 @@ from UM.Resources import Resources
 from cura import ApplicationMetadata
 
 catalog = i18nCatalog("cura")
+home_dir = os.path.expanduser("~")
+
 
 MYPY = False
 if MYPY:
@@ -83,6 +85,21 @@ class CrashHandler:
         self.dialog = QDialog()
         self._createDialog()
 
+    @staticmethod
+    def pruneSensitiveData(obj: Any) -> Any:
+        if isinstance(obj, str):
+            return obj.replace(home_dir, "<user_home>")
+        if isinstance(obj, list):
+            return [CrashHandler.pruneSensitiveData(item) for item in obj]
+        if isinstance(obj, dict):
+            return {k: CrashHandler.pruneSensitiveData(v) for k, v in obj.items()}
+
+        return obj
+
+    @staticmethod
+    def sentryBeforeSend(event, hint):
+        return CrashHandler.pruneSensitiveData(event)
+
     def _createEarlyCrashDialog(self):
         dialog = QDialog()
         dialog.setMinimumWidth(500)
@@ -161,7 +178,6 @@ class CrashHandler:
         layout.addWidget(self._informationWidget())
         layout.addWidget(self._exceptionInfoWidget())
         layout.addWidget(self._logInfoWidget())
-        layout.addWidget(self._userDescriptionWidget())
         layout.addWidget(self._buttonsWidget())
 
     def _close(self):
@@ -374,21 +390,6 @@ class CrashHandler:
 
         return group
 
-    def _userDescriptionWidget(self):
-        group = QGroupBox()
-        group.setTitle(catalog.i18nc("@title:groupbox", "User description" +
-                                     " (Note: Developers may not speak your language, please use English if possible)"))
-        layout = QVBoxLayout()
-
-        # When sending the report, the user comments will be collected
-        self.user_description_text_area = QTextEdit()
-        self.user_description_text_area.setFocus(True)
-
-        layout.addWidget(self.user_description_text_area)
-        group.setLayout(layout)
-
-        return group
-
     def _buttonsWidget(self):
         buttons = QDialogButtonBox()
         buttons.addButton(QDialogButtonBox.Close)
@@ -403,9 +404,6 @@ class CrashHandler:
         return buttons
 
     def _sendCrashReport(self):
-        # Before sending data, the user comments are stored
-        self.data["user_info"] = self.user_description_text_area.toPlainText()
-
         if with_sentry_sdk:
             try:
                 hub = Hub.current

cura/CuraApplication.py

@@ -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
@@ -350,6 +348,9 @@ class CuraApplication(QtApplication):
         for dir_name in ["extruders", "machine_instances", "materials", "plugins", "quality", "quality_changes", "user", "variants", "intent"]:
             Resources.addExpectedDirNameInData(dir_name)
 
+        app_root = os.path.abspath(os.path.join(os.path.dirname(sys.executable)))
+        Resources.addSearchPath(os.path.join(app_root, "share", "cura", "resources"))
+
         Resources.addSearchPath(os.path.join(self._app_install_dir, "share", "cura", "resources"))
         if not hasattr(sys, "frozen"):
             resource_path = os.path.join(os.path.abspath(os.path.dirname(__file__)), "..", "resources")
@@ -393,6 +394,8 @@ class CuraApplication(QtApplication):
         SettingFunction.registerOperator("extruderValues", self._cura_formula_functions.getValuesInAllExtruders)
         SettingFunction.registerOperator("resolveOrValue", self._cura_formula_functions.getResolveOrValue)
         SettingFunction.registerOperator("defaultExtruderPosition", self._cura_formula_functions.getDefaultExtruderPosition)
+        SettingFunction.registerOperator("valueFromContainer", self._cura_formula_functions.getValueFromContainerAtIndex)
+        SettingFunction.registerOperator("extruderValueFromContainer", self._cura_formula_functions.getValueFromContainerAtIndexInExtruder)
 
     # Adds all resources and container related resources.
     def __addAllResourcesAndContainerResources(self) -> None:
@@ -632,6 +635,12 @@ 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

cura/CuraVersion.py.in

@@ -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.
 
 CuraAppName = "@CURA_APP_NAME@"
@@ -9,3 +9,4 @@ CuraDebugMode = True if "@_cura_debugmode@" == "ON" else False
 CuraCloudAPIRoot = "@CURA_CLOUD_API_ROOT@"
 CuraCloudAPIVersion = "@CURA_CLOUD_API_VERSION@"
 CuraCloudAccountAPIRoot = "@CURA_CLOUD_ACCOUNT_API_ROOT@"
+CuraMarketplaceRoot = "@CURA_MARKETPLACE_ROOT@"

cura/Machines/Models/IntentModel.py

@@ -114,7 +114,10 @@ class IntentModel(ListModel):
                 Logger.log("w", "Could not find the variant %s", active_variant_name)
                 continue
             active_variant_node = machine_node.variants[active_variant_name]
-            active_material_node = active_variant_node.materials[extruder.material.getMetaDataEntry("base_file")]
+            active_material_node = active_variant_node.materials.get(extruder.material.getMetaDataEntry("base_file"))
+            if active_material_node is None:
+                Logger.log("w", "Could not find the material %s", extruder.material.getMetaDataEntry("base_file"))
+                continue
             nodes.add(active_material_node)
 
         return nodes

cura/Machines/Models/QualitySettingsModel.py

@@ -2,6 +2,7 @@
 # Cura is released under the terms of the LGPLv3 or higher.
 
 from PyQt5.QtCore import pyqtProperty, pyqtSignal, Qt
+from typing import Set
 
 import cura.CuraApplication
 from UM.Logger import Logger
@@ -23,7 +24,7 @@ class QualitySettingsModel(ListModel):
 
     GLOBAL_STACK_POSITION = -1
 
-    def __init__(self, parent = None):
+    def __init__(self, parent = None) -> None:
         super().__init__(parent = parent)
 
         self.addRoleName(self.KeyRole, "key")
@@ -38,7 +39,9 @@ class QualitySettingsModel(ListModel):
         self._application = cura.CuraApplication.CuraApplication.getInstance()
         self._application.getMachineManager().activeStackChanged.connect(self._update)
 
-        self._selected_position = self.GLOBAL_STACK_POSITION #Must be either GLOBAL_STACK_POSITION or an extruder position (0, 1, etc.)
+        # Must be either GLOBAL_STACK_POSITION or an extruder position (0, 1, etc.)
+        self._selected_position = self.GLOBAL_STACK_POSITION
+
         self._selected_quality_item = None  # The selected quality in the quality management page
         self._i18n_catalog = None
 
@@ -47,14 +50,14 @@ class QualitySettingsModel(ListModel):
     selectedPositionChanged = pyqtSignal()
     selectedQualityItemChanged = pyqtSignal()
 
-    def setSelectedPosition(self, selected_position):
+    def setSelectedPosition(self, selected_position: int) -> None:
         if selected_position != self._selected_position:
             self._selected_position = selected_position
             self.selectedPositionChanged.emit()
             self._update()
 
     @pyqtProperty(int, fset = setSelectedPosition, notify = selectedPositionChanged)
-    def selectedPosition(self):
+    def selectedPosition(self) -> int:
         return self._selected_position
 
     def setSelectedQualityItem(self, selected_quality_item):
@@ -67,7 +70,7 @@ class QualitySettingsModel(ListModel):
     def selectedQualityItem(self):
         return self._selected_quality_item
 
-    def _update(self):
+    def _update(self) -> None:
         Logger.log("d", "Updating {model_class_name}.".format(model_class_name = self.__class__.__name__))
 
         if not self._selected_quality_item:
@@ -83,7 +86,7 @@ class QualitySettingsModel(ListModel):
         quality_changes_group = self._selected_quality_item["quality_changes_group"]
 
         quality_node = None
-        settings_keys = set()
+        settings_keys = set()  # type: Set[str]
         if quality_group:
             if self._selected_position == self.GLOBAL_STACK_POSITION:
                 quality_node = quality_group.node_for_global

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

@@ -1,13 +1,18 @@
-# Copyright (c) 2019 Ultimaker B.V.
+# Copyright (c) 2020 Ultimaker B.V.
 # Cura is released under the terms of the LGPLv3 or higher.
 
 import threading
-from typing import Optional, Callable, Any, TYPE_CHECKING
+from typing import Any, Callable, Optional, TYPE_CHECKING
 
 from UM.Logger import Logger
 
-from cura.OAuth2.AuthorizationRequestServer import AuthorizationRequestServer
-from cura.OAuth2.AuthorizationRequestHandler import AuthorizationRequestHandler
+got_server_type = False
+try:
+    from cura.OAuth2.AuthorizationRequestServer import AuthorizationRequestServer
+    from cura.OAuth2.AuthorizationRequestHandler import AuthorizationRequestHandler
+    got_server_type = True
+except PermissionError:  # Bug in http.server: Can't access MIME types. This will prevent the user from logging in. See Sentry bug Cura-3Q.
+    Logger.error("Can't start a server due to a PermissionError when starting the http.server.")
 
 if TYPE_CHECKING:
     from cura.OAuth2.Models import AuthenticationResponse
@@ -36,7 +41,8 @@ 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.
@@ -49,14 +55,16 @@ class LocalAuthorizationServer:
         Logger.log("d", "Starting local web server to handle authorization callback on port %s", self._web_server_port)
 
         # Create the server and inject the callback and code.
-        self._web_server = AuthorizationRequestServer(("0.0.0.0", self._web_server_port), AuthorizationRequestHandler)
-        self._web_server.setAuthorizationHelpers(self._auth_helpers)
-        self._web_server.setAuthorizationCallback(self._auth_state_changed_callback)
-        self._web_server.setVerificationCode(verification_code)
+        if got_server_type:
+            self._web_server = AuthorizationRequestServer(("0.0.0.0", self._web_server_port), AuthorizationRequestHandler)
+            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)
-        self._web_server_thread.start()
+            # Start the server on a new thread.
+            self._web_server_thread = threading.Thread(None, self._web_server.serve_forever, daemon = self._daemon)
+            self._web_server_thread.start()
 
     ##  Stops the web server if it was running. It also does some cleanup.
     def stop(self) -> None:

cura/Scene/ConvexHullDecorator.py

@@ -36,8 +36,10 @@ class ConvexHullDecorator(SceneNodeDecorator):
 
         # Make sure the timer is created on the main thread
         self._recompute_convex_hull_timer = None  # type: Optional[QTimer]
+        self._timer_scheduled_to_be_created = False
         from cura.CuraApplication import CuraApplication
         if CuraApplication.getInstance() is not None:
+            self._timer_scheduled_to_be_created = True
             CuraApplication.getInstance().callLater(self.createRecomputeConvexHullTimer)
 
         self._raft_thickness = 0.0
@@ -171,7 +173,12 @@ class ConvexHullDecorator(SceneNodeDecorator):
         if self._recompute_convex_hull_timer is not None:
             self._recompute_convex_hull_timer.start()
         else:
-            self.recomputeConvexHull()
+            from cura.CuraApplication import CuraApplication
+            if not self._timer_scheduled_to_be_created:
+                # The timer is not created and we never scheduled it. Time to create it now!
+                CuraApplication.getInstance().callLater(self.createRecomputeConvexHullTimer)
+            # Now we know for sure that the timer has been scheduled for creation, so we can try this again.
+            CuraApplication.getInstance().callLater(self.recomputeConvexHullDelayed)
 
     def recomputeConvexHull(self) -> None:
         controller = Application.getInstance().getController()

cura/Settings/CuraFormulaFunctions.py

@@ -133,6 +133,38 @@ class CuraFormulaFunctions:
         context = self.createContextForDefaultValueEvaluation(global_stack)
         return self.getResolveOrValue(property_key, context = context)
 
+    # Gets the value for the given setting key starting from the given container index.
+    def getValueFromContainerAtIndex(self, property_key: str, container_index: int,
+                                     context: Optional["PropertyEvaluationContext"] = None) -> Any:
+        machine_manager = self._application.getMachineManager()
+        global_stack = machine_manager.activeMachine
+
+        context = self.createContextForDefaultValueEvaluation(global_stack)
+        context.context["evaluate_from_container_index"] = container_index
+
+        return global_stack.getProperty(property_key, "value", context = context)
+
+    # Gets the extruder value for the given setting key starting from the given container index.
+    def getValueFromContainerAtIndexInExtruder(self, extruder_position: int, property_key: str, container_index: int,
+                                               context: Optional["PropertyEvaluationContext"] = None) -> Any:
+        machine_manager = self._application.getMachineManager()
+        global_stack = machine_manager.activeMachine
+
+        if extruder_position == -1:
+            extruder_position = int(machine_manager.defaultExtruderPosition)
+
+        global_stack = machine_manager.activeMachine
+        try:
+            extruder_stack = global_stack.extruderList[int(extruder_position)]
+        except IndexError:
+            Logger.log("w", "Value for %s of extruder %s was requested, but that extruder is not available. " % (property_key, extruder_position))
+            return None
+
+        context = self.createContextForDefaultValueEvaluation(extruder_stack)
+        context.context["evaluate_from_container_index"] = container_index
+
+        return self.getValueInExtruder(extruder_position, property_key, context)
+
     # Creates a context for evaluating default values (skip the user_changes container).
     def createContextForDefaultValueEvaluation(self, source_stack: "CuraContainerStack") -> "PropertyEvaluationContext":
         context = PropertyEvaluationContext(source_stack)

cura/Settings/CuraStackBuilder.py

@@ -58,7 +58,10 @@ class CuraStackBuilder:
         # Create ExtruderStacks
         extruder_dict = machine_definition.getMetaDataEntry("machine_extruder_trains")
         for position in extruder_dict:
-            cls.createExtruderStackWithDefaultSetup(new_global_stack, position)
+            try:
+                cls.createExtruderStackWithDefaultSetup(new_global_stack, position)
+            except IndexError:
+                return None
 
         for new_extruder in new_global_stack.extruders.values():  # Only register the extruders if we're sure that all of them are correct.
             registry.addContainer(new_extruder)

cura/Settings/MachineManager.py

@@ -320,8 +320,19 @@ class MachineManager(QObject):
             # This signal might not have been emitted yet (if it didn't change) but we still want the models to update that depend on it because we changed the contents of the containers too.
             extruder_manager.activeExtruderChanged.emit()
 
+        # Validate if the machine has the correct variants
+        # It can happen that a variant is empty, even though the machine has variants. This will ensure that that
+        # that situation will be fixed (and not occur again, since it switches it out to the preferred variant instead!)
+        machine_node = ContainerTree.getInstance().machines[global_stack.definition.getId()]
+        for extruder in self._global_container_stack.extruderList:
+            variant_name = extruder.variant.getName()
+            variant_node = machine_node.variants.get(variant_name)
+            if variant_node is None:
+                Logger.log("w", "An extruder has an unknown variant, switching it to the preferred variant")
+                self.setVariantByName(extruder.getMetaDataEntry("position"), machine_node.preferred_variant_name)
         self.__emitChangedSignals()
 
+
     ##  Given a definition id, return the machine with this id.
     #   Optional: add a list of keys and values to filter the list of machines with the given definition id
     #   \param definition_id \type{str} definition id that needs to look for
@@ -336,9 +347,9 @@ class MachineManager(QObject):
                 return cast(GlobalStack, machine)
         return None
 
-    @pyqtSlot(str)
-    @pyqtSlot(str, str)
-    def addMachine(self, definition_id: str, name: Optional[str] = None) -> None:
+    @pyqtSlot(str, result=bool)
+    @pyqtSlot(str, str, result = bool)
+    def addMachine(self, definition_id: str, name: Optional[str] = None) -> bool:
         Logger.log("i", "Trying to add a machine with the definition id [%s]", definition_id)
         if name is None:
             definitions = CuraContainerRegistry.getInstance().findDefinitionContainers(id = definition_id)
@@ -353,6 +364,8 @@ class MachineManager(QObject):
             self.setActiveMachine(new_stack.getId())
         else:
             Logger.log("w", "Failed creating a new machine!")
+            return False
+        return True
 
     def _checkStacksHaveErrors(self) -> bool:
         time_start = time.time()
@@ -747,6 +760,11 @@ 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
 
@@ -795,7 +813,7 @@ class MachineManager(QObject):
         definition_changes_container.setProperty("machine_extruder_count", "value", extruder_count)
 
         self.updateDefaultExtruder()
-        self.updateNumberExtrudersEnabled()
+        self.numberExtrudersEnabledChanged.emit()
         self.correctExtruderSettings()
 
         # Check to see if any objects are set to print with an extruder that will no longer exist
@@ -1502,7 +1520,17 @@ class MachineManager(QObject):
             if quality_id == empty_quality_container.getId():
                 extruder.intent = empty_intent_container
                 continue
-            quality_node = container_tree.machines[definition_id].variants[variant_name].materials[material_base_file].qualities[quality_id]
+
+            # Yes, we can find this in a single line of code. This makes it easier to read and it has the benefit
+            # that it doesn't lump key errors together for the crashlogs
+            try:
+                machine_node = container_tree.machines[definition_id]
+                variant_node = machine_node.variants[variant_name]
+                material_node = variant_node.materials[material_base_file]
+                quality_node = material_node.qualities[quality_id]
+            except KeyError as e:
+                Logger.error("Can't set the intent category '{category}' since the profile '{profile}' in the stack is not supported according to the container tree.".format(category = intent_category, profile = e))
+                continue
 
             for intent_node in quality_node.intents.values():
                 if intent_node.intent_category == intent_category:  # Found an intent with the correct category.

cura/UI/TextManager.py

@@ -28,7 +28,11 @@ class TextManager(QObject):
 
     def _loadChangeLogText(self) -> str:
         # Load change log texts and organize them with a dict
-        file_path = Resources.getPath(Resources.Texts, "change_log.txt")
+        try:
+            file_path = Resources.getPath(Resources.Texts, "change_log.txt")
+        except FileNotFoundError:
+            # I have no idea how / when this happens, but we're getting crash reports about it.
+            return ""
         change_logs_dict = {}  # type: Dict[Version, Dict[str, List[str]]]
         with open(file_path, "r", encoding = "utf-8") as f:
             open_version = None  # type: Optional[Version]

cura_app.py

@@ -1,16 +1,32 @@
 #!/usr/bin/env python3
 
-# Copyright (c) 2019 Ultimaker B.V.
+# Copyright (c) 2020 Ultimaker B.V.
 # Cura is released under the terms of the LGPLv3 or higher.
 
+# Remove the working directory from sys.path.
+# This fixes a security issue where Cura could import Python packages from the
+# current working directory, and therefore be made to execute locally installed
+# code (e.g. in the user's home directory where AppImages by default run from).
+# See issue CURA-7081.
+import sys
+if "" in sys.path:
+    sys.path.remove("")
+
 import argparse
 import faulthandler
 import os
-import sys
+
+# Workaround for a race condition on certain systems where there
+# is a race condition between Arcus and PyQt. Importing Arcus
+# first seems to prevent Sip from going into a state where it
+# tries to create PyQt objects on a non-main thread.
+import Arcus  # @UnusedImport
+import Savitar  # @UnusedImport
 
 from UM.Platform import Platform
 from cura import ApplicationMetadata
 from cura.ApplicationMetadata import CuraAppName
+from cura.CrashHandler import CrashHandler
 
 try:
     import sentry_sdk
@@ -29,21 +45,30 @@ parser.add_argument("--debug",
 known_args = vars(parser.parse_known_args()[0])
 
 if with_sentry_sdk:
-    sentry_env = "production"
+    sentry_env = "unknown"  # Start off with a "IDK"
+    if hasattr(sys, "frozen"):
+        sentry_env = "production"  # A frozen build has the posibility to be a "real" distribution.
+
     if ApplicationMetadata.CuraVersion == "master":
-        sentry_env = "development"
+        sentry_env = "development"  # Master is always a development version.
+    elif ApplicationMetadata.CuraVersion in ["beta", "BETA"]:
+        sentry_env = "beta"
     try:
         if ApplicationMetadata.CuraVersion.split(".")[2] == "99":
             sentry_env = "nightly"
     except IndexError:
         pass
 
+    # Errors to be ignored by Sentry
+    ignore_errors = [KeyboardInterrupt, MemoryError]
     sentry_sdk.init("https://5034bf0054fb4b889f82896326e79b13@sentry.io/1821564",
+                    before_send = CrashHandler.sentryBeforeSend,
                     environment = sentry_env,
                     release = "cura%s" % ApplicationMetadata.CuraVersion,
                     default_integrations = False,
                     max_breadcrumbs = 300,
-                    server_name = "cura")
+                    server_name = "cura",
+                    ignore_errors = ignore_errors)
 
 if not known_args["debug"]:
     def get_cura_dir_path():
@@ -156,17 +181,11 @@ def exceptHook(hook_type, value, traceback):
 # Set exception hook to use the crash dialog handler
 sys.excepthook = exceptHook
 # Enable dumping traceback for all threads
-if sys.stderr:
+if sys.stderr and not sys.stderr.closed:
     faulthandler.enable(file = sys.stderr, all_threads = True)
-else:
+elif sys.stdout and not sys.stdout.closed:
     faulthandler.enable(file = sys.stdout, all_threads = True)
 
-# Workaround for a race condition on certain systems where there
-# is a race condition between Arcus and PyQt. Importing Arcus
-# first seems to prevent Sip from going into a state where it
-# tries to create PyQt objects on a non-main thread.
-import Arcus #@UnusedImport
-import Savitar #@UnusedImport
 from cura.CuraApplication import CuraApplication
 
 

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/ThreeMFReader.py

@@ -86,7 +86,7 @@ class ThreeMFReader(MeshReader):
 
     ##  Convenience function that converts a SceneNode object (as obtained from libSavitar) to a scene node.
     #   \returns Scene node.
-    def _convertSavitarNodeToUMNode(self, savitar_node: Savitar.SceneNode) -> Optional[SceneNode]:
+    def _convertSavitarNodeToUMNode(self, savitar_node: Savitar.SceneNode, file_name: str = "") -> Optional[SceneNode]:
         self._object_count += 1
         node_name = "Object %s" % self._object_count
 
@@ -104,6 +104,10 @@ class ThreeMFReader(MeshReader):
         vertices = numpy.resize(data, (int(data.size / 3), 3))
         mesh_builder.setVertices(vertices)
         mesh_builder.calculateNormals(fast=True)
+        if file_name:
+            # The filename is used to give the user the option to reload the file if it is changed on disk
+            # It is only set for the root node of the 3mf file
+            mesh_builder.setFileName(file_name)
         mesh_data = mesh_builder.build()
 
         if len(mesh_data.getVertices()):
@@ -171,7 +175,7 @@ class ThreeMFReader(MeshReader):
             scene_3mf = parser.parse(archive.open("3D/3dmodel.model").read())
             self._unit = scene_3mf.getUnit()
             for node in scene_3mf.getSceneNodes():
-                um_node = self._convertSavitarNodeToUMNode(node)
+                um_node = self._convertSavitarNodeToUMNode(node, file_name)
                 if um_node is None:
                     continue
                 # compensate for original center position, if object(s) is/are not around its zero position

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/3MFReader/plugin.json

@@ -3,6 +3,6 @@
     "author": "Ultimaker B.V.",
     "version": "1.0.1",
     "description": "Provides support for reading 3MF files.",
-    "api": "7.0",
+    "api": "7.1",
     "i18n-catalog": "cura"
 }

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/3MFWriter/plugin.json

@@ -3,6 +3,6 @@
     "author": "Ultimaker B.V.",
     "version": "1.0.1",
     "description": "Provides support for writing 3MF files.",
-    "api": "7.0",
+    "api": "7.1",
     "i18n-catalog": "cura"
 }

plugins/AMFReader/AMFReader.py

@@ -118,7 +118,7 @@ class AMFReader(MeshReader):
                     mesh.merge_vertices()
                     mesh.remove_unreferenced_vertices()
                     mesh.fix_normals()
-                    mesh_data = self._toMeshData(mesh)
+                    mesh_data = self._toMeshData(mesh, file_name)
 
                     new_node = CuraSceneNode()
                     new_node.setSelectable(True)
@@ -147,7 +147,13 @@ class AMFReader(MeshReader):
 
         return group_node
 
-    def _toMeshData(self, tri_node: trimesh.base.Trimesh) -> MeshData:
+    ##  Converts a Trimesh to Uranium's MeshData.
+    #   \param tri_node A Trimesh containing the contents of a file that was
+    #   just read.
+    #   \param file_name The full original filename used to watch for changes
+    #   \return Mesh data from the Trimesh in a way that Uranium can understand
+    #   it.
+    def _toMeshData(self, tri_node: trimesh.base.Trimesh, file_name: str = "") -> MeshData:
         tri_faces = tri_node.faces
         tri_vertices = tri_node.vertices
 
@@ -169,5 +175,5 @@ class AMFReader(MeshReader):
         indices = numpy.asarray(indices, dtype = numpy.int32)
         normals = calculateNormalsFromIndexedVertices(vertices, indices, face_count)
 
-        mesh_data = MeshData(vertices = vertices, indices = indices, normals = normals)
+        mesh_data = MeshData(vertices = vertices, indices = indices, normals = normals,file_name = file_name)
         return mesh_data

plugins/AMFReader/plugin.json

@@ -3,5 +3,5 @@
     "author": "fieldOfView",
     "version": "1.0.0",
     "description": "Provides support for reading AMF files.",
-    "api": "7.0.0"
+    "api": "7.1.0"
 }

plugins/CuraDrive/plugin.json

@@ -3,6 +3,6 @@
     "author": "Ultimaker B.V.",
     "description": "Backup and restore your configuration.",
     "version": "1.2.0",
-    "api": "7.0",
+    "api": "7.1",
     "i18n-catalog": "cura"
 }

plugins/CuraEngineBackend/CuraEngineBackend.py

@@ -55,10 +55,22 @@ class CuraEngineBackend(QObject, Backend):
         if Platform.isWindows():
             executable_name += ".exe"
         default_engine_location = executable_name
-        if os.path.exists(os.path.join(CuraApplication.getInstallPrefix(), "bin", executable_name)):
-            default_engine_location = os.path.join(CuraApplication.getInstallPrefix(), "bin", executable_name)
-        if hasattr(sys, "frozen"):
-            default_engine_location = os.path.join(os.path.dirname(os.path.abspath(sys.executable)), executable_name)
+
+        search_path = [
+            os.path.abspath(os.path.dirname(sys.executable)),
+            os.path.abspath(os.path.join(os.path.dirname(sys.executable), "bin")),
+            os.path.abspath(os.path.join(os.path.dirname(sys.executable), "..")),
+
+            os.path.join(CuraApplication.getInstallPrefix(), "bin"),
+            os.path.dirname(os.path.abspath(sys.executable)),
+        ]
+
+        for path in search_path:
+            engine_path = os.path.join(path, executable_name)
+            if os.path.isfile(engine_path):
+                default_engine_location = engine_path
+                break
+
         if Platform.isLinux() and not default_engine_location:
             if not os.getenv("PATH"):
                 raise OSError("There is something wrong with your Linux installation.")
@@ -409,7 +421,10 @@ class CuraEngineBackend(QObject, Backend):
 
         if job.getResult() == StartJobResult.NothingToSlice:
             if self._application.platformActivity:
-                self._error_message = Message(catalog.i18nc("@info:status", "Nothing to slice because none of the models fit the build volume or are assigned to a disabled extruder. Please scale or rotate models to fit, or enable an extruder."),
+                self._error_message = Message(catalog.i18nc("@info:status", "Please review settings and check if your models:"
+                                                                            "\n- Fit within the build volume"
+                                                                            "\n- Are assigned to an enabled extruder"
+                                                                            "\n- Are not all set as modifier meshes"),
                                               title = catalog.i18nc("@info:title", "Unable to slice"))
                 self._error_message.show()
                 self.setState(BackendState.Error)

plugins/CuraEngineBackend/StartSliceJob.py

@@ -422,13 +422,14 @@ class StartSliceJob(Job):
 
         # Pre-compute material material_bed_temp_prepend and material_print_temp_prepend
         start_gcode = settings["machine_start_gcode"]
+        # Remove all the comments from the start g-code
+        start_gcode = re.sub(r";.+?(\n|$)", "\n", start_gcode)
         bed_temperature_settings = ["material_bed_temperature", "material_bed_temperature_layer_0"]
         pattern = r"\{(%s)(,\s?\w+)?\}" % "|".join(bed_temperature_settings) # match {setting} as well as {setting, extruder_nr}
         settings["material_bed_temp_prepend"] = re.search(pattern, start_gcode) == None
         print_temperature_settings = ["material_print_temperature", "material_print_temperature_layer_0", "default_material_print_temperature", "material_initial_print_temperature", "material_final_print_temperature", "material_standby_temperature"]
         pattern = r"\{(%s)(,\s?\w+)?\}" % "|".join(print_temperature_settings) # match {setting} as well as {setting, extruder_nr}
         settings["material_print_temp_prepend"] = re.search(pattern, start_gcode) == None
-
         # Replace the setting tokens in start and end g-code.
         # Use values from the first used extruder by default so we get the expected temperatures
         initial_extruder_stack = CuraApplication.getInstance().getExtruderManager().getUsedExtruderStacks()[0]

plugins/CuraEngineBackend/plugin.json

@@ -2,7 +2,7 @@
     "name": "CuraEngine Backend",
     "author": "Ultimaker B.V.",
     "description": "Provides the link to the CuraEngine slicing backend.",
-    "api": "7.0",
+    "api": "7.1",
     "version": "1.0.1",
     "i18n-catalog": "cura"
 }

plugins/CuraProfileReader/plugin.json

@@ -3,6 +3,6 @@
     "author": "Ultimaker B.V.",
     "version": "1.0.1",
     "description": "Provides support for importing Cura profiles.",
-    "api": "7.0",
+    "api": "7.1",
     "i18n-catalog": "cura"
 }

plugins/CuraProfileWriter/plugin.json

@@ -3,6 +3,6 @@
     "author": "Ultimaker B.V.",
     "version": "1.0.1",
     "description": "Provides support for exporting Cura profiles.",
-    "api": "7.0",
+    "api": "7.1",
     "i18n-catalog":"cura"
 }

plugins/FirmwareUpdateChecker/FirmwareUpdateCheckerJob.py

@@ -44,6 +44,7 @@ class FirmwareUpdateCheckerJob(Job):
         try:
             # CURA-6698 Create an SSL context and use certifi CA certificates for verification.
             context = ssl.SSLContext(protocol = ssl.PROTOCOL_TLSv1_2)
+            context.verify_mode = ssl.CERT_REQUIRED
             context.load_verify_locations(cafile = certifi.where())
 
             request = urllib.request.Request(url, headers = self._headers)

plugins/FirmwareUpdateChecker/plugin.json

@@ -3,6 +3,6 @@
     "author": "Ultimaker B.V.",
     "version": "1.0.1",
     "description": "Checks for firmware updates.",
-    "api": "7.0",
+    "api": "7.1",
     "i18n-catalog": "cura"
 }

plugins/FirmwareUpdater/plugin.json

@@ -3,6 +3,6 @@
     "author": "Ultimaker B.V.",
     "version": "1.0.1",
     "description": "Provides a machine actions for updating firmware.",
-    "api": "7.0",
+    "api": "7.1",
     "i18n-catalog": "cura"
 }

plugins/GCodeGzReader/plugin.json

@@ -3,6 +3,6 @@
     "author": "Ultimaker B.V.",
     "version": "1.0.1",
     "description": "Reads g-code from a compressed archive.",
-    "api": "7.0",
+    "api": "7.1",
     "i18n-catalog": "cura"
 }

plugins/GCodeGzWriter/plugin.json

@@ -3,6 +3,6 @@
     "author": "Ultimaker B.V.",
     "version": "1.0.1",
     "description": "Writes g-code to a compressed archive.",
-    "api": "7.0",
+    "api": "7.1",
     "i18n-catalog": "cura"
 }

plugins/GCodeProfileReader/plugin.json

@@ -3,6 +3,6 @@
     "author": "Ultimaker B.V.",
     "version": "1.0.1",
     "description": "Provides support for importing profiles from g-code files.",
-    "api": "7.0",
+    "api": "7.1",
     "i18n-catalog": "cura"
 }

plugins/GCodeReader/FlavorParser.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 math
@@ -169,6 +169,9 @@ class FlavorParser:
         # A threshold is set to avoid weird paths in the GCode
         if line_width > 1.2:
             return 0.35
+        # Prevent showing infinitely wide lines
+        if line_width < 0.0:
+            return 0.0
         return line_width
 
     def _gCode0(self, position: Position, params: PositionOptional, path: List[List[Union[float, int]]]) -> Position:
@@ -235,7 +238,7 @@ class FlavorParser:
     def _gCode92(self, position: Position, params: PositionOptional, path: List[List[Union[float, int]]]) -> Position:
         if params.e is not None:
             # Sometimes a G92 E0 is introduced in the middle of the GCode so we need to keep those offsets for calculate the line_width
-            self._extrusion_length_offset[self._extruder_number] += position.e[self._extruder_number] - params.e
+            self._extrusion_length_offset[self._extruder_number] = position.e[self._extruder_number] - params.e
             position.e[self._extruder_number] = params.e
             self._previous_extrusion_value = params.e
         else:
@@ -258,16 +261,19 @@ class FlavorParser:
                     continue
                 if item.startswith(";"):
                     continue
-                if item[0] == "X":
-                    x = float(item[1:])
-                if item[0] == "Y":
-                    y = float(item[1:])
-                if item[0] == "Z":
-                    z = float(item[1:])
-                if item[0] == "F":
-                    f = float(item[1:]) / 60
-                if item[0] == "E":
-                    e = float(item[1:])
+                try:
+                    if item[0] == "X":
+                        x = float(item[1:])
+                    elif item[0] == "Y":
+                        y = float(item[1:])
+                    elif item[0] == "Z":
+                        z = float(item[1:])
+                    elif item[0] == "F":
+                        f = float(item[1:]) / 60
+                    elif item[0] == "E":
+                        e = float(item[1:])
+                except ValueError:  # Improperly formatted g-code: Coordinates are not floats.
+                    continue  # Skip the command then.
             params = PositionOptional(x, y, z, f, e)
             return func(position, params, path)
         return position

plugins/GCodeReader/plugin.json

@@ -1,8 +1,8 @@
 {
     "name": "G-code Reader",
-    "author": "Victor Larchenko, Ultimaker",
+    "author": "Victor Larchenko, Ultimaker B.V.",
     "version": "1.0.1",
     "description": "Allows loading and displaying G-code files.",
-    "api": "7.0",
+    "api": "7.1",
     "i18n-catalog": "cura"
 }

plugins/GCodeWriter/plugin.json

@@ -3,6 +3,6 @@
     "author": "Ultimaker B.V.",
     "version": "1.0.1",
     "description": "Writes g-code to a file.",
-    "api": "7.0",
+    "api": "7.1",
     "i18n-catalog": "cura"
 }

plugins/ImageReader/ImageReader.py

@@ -1,4 +1,4 @@
-# Copyright (c) 2015 Ultimaker B.V.
+# Copyright (c) 2020 Ultimaker B.V.
 # Cura is released under the terms of the LGPLv3 or higher.
 
 import numpy
@@ -96,7 +96,7 @@ class ImageReader(MeshReader):
         texel_width = 1.0 / (width_minus_one) * scale_vector.x
         texel_height = 1.0 / (height_minus_one) * scale_vector.z
 
-        height_data = numpy.zeros((height, width), dtype=numpy.float32)
+        height_data = numpy.zeros((height, width), dtype = numpy.float32)
 
         for x in range(0, width):
             for y in range(0, height):
@@ -112,7 +112,7 @@ class ImageReader(MeshReader):
             height_data = 1 - height_data
 
         for _ in range(0, blur_iterations):
-            copy = numpy.pad(height_data, ((1, 1), (1, 1)), mode= "edge")
+            copy = numpy.pad(height_data, ((1, 1), (1, 1)), mode = "edge")
 
             height_data += copy[1:-1, 2:]
             height_data += copy[1:-1, :-2]
@@ -165,7 +165,7 @@ class ImageReader(MeshReader):
         offsetsz = numpy.array(offsetsz, numpy.float32).reshape(-1, 1) * texel_height
 
         # offsets for each texel quad
-        heightmap_vertex_offsets = numpy.concatenate([offsetsx, numpy.zeros((offsetsx.shape[0], offsetsx.shape[1]), dtype=numpy.float32), offsetsz], 1)
+        heightmap_vertex_offsets = numpy.concatenate([offsetsx, numpy.zeros((offsetsx.shape[0], offsetsx.shape[1]), dtype = numpy.float32), offsetsz], 1)
         heightmap_vertices += heightmap_vertex_offsets.repeat(6, 0).reshape(-1, 6, 3)
 
         # apply height data to y values
@@ -174,7 +174,7 @@ class ImageReader(MeshReader):
         heightmap_vertices[:, 2, 1] = heightmap_vertices[:, 3, 1] = height_data[1:, 1:].reshape(-1)
         heightmap_vertices[:, 4, 1] = height_data[:-1, 1:].reshape(-1)
 
-        heightmap_indices = numpy.array(numpy.mgrid[0:heightmap_face_count * 3], dtype=numpy.int32).reshape(-1, 3)
+        heightmap_indices = numpy.array(numpy.mgrid[0:heightmap_face_count * 3], dtype = numpy.int32).reshape(-1, 3)
 
         mesh._vertices[0:(heightmap_vertices.size // 3), :] = heightmap_vertices.reshape(-1, 3)
         mesh._indices[0:(heightmap_indices.size // 3), :] = heightmap_indices
@@ -223,7 +223,7 @@ class ImageReader(MeshReader):
             mesh.addFaceByPoints(geo_width, 0, y, geo_width, 0, ny, geo_width, he1, ny)
             mesh.addFaceByPoints(geo_width, he1, ny, geo_width, he0, y, geo_width, 0, y)
 
-        mesh.calculateNormals(fast=True)
+        mesh.calculateNormals(fast = True)
 
         scene_node.setMeshData(mesh.build())
 

plugins/ImageReader/ImageReaderUI.py

@@ -1,4 +1,4 @@
-# Copyright (c) 2015 Ultimaker B.V.
+# Copyright (c) 2020 Ultimaker B.V.
 # Cura is released under the terms of the LGPLv3 or higher.
 
 import os
@@ -33,9 +33,9 @@ class ImageReaderUI(QObject):
         self.base_height = 0.4
         self.peak_height = 2.5
         self.smoothing = 1
-        self.lighter_is_higher = False;
-        self.use_transparency_model = True;
-        self.transmittance_1mm = 50.0; # based on pearl PLA
+        self.lighter_is_higher = False
+        self.use_transparency_model = True
+        self.transmittance_1mm = 50.0  # based on pearl PLA
 
         self._ui_lock = threading.Lock()
         self._cancelled = False
@@ -85,7 +85,7 @@ class ImageReaderUI(QObject):
             Logger.log("d", "Creating ImageReader config UI")
             path = os.path.join(PluginRegistry.getInstance().getPluginPath("ImageReader"), "ConfigUI.qml")
             self._ui_view = Application.getInstance().createQmlComponent(path, {"manager": self})
-            self._ui_view.setFlags(self._ui_view.flags() & ~Qt.WindowCloseButtonHint & ~Qt.WindowMinimizeButtonHint & ~Qt.WindowMaximizeButtonHint);
+            self._ui_view.setFlags(self._ui_view.flags() & ~Qt.WindowCloseButtonHint & ~Qt.WindowMinimizeButtonHint & ~Qt.WindowMaximizeButtonHint)
             self._disable_size_callbacks = False
 
     @pyqtSlot()

plugins/ImageReader/plugin.json

@@ -3,6 +3,6 @@
     "author": "Ultimaker B.V.",
     "version": "1.0.1",
     "description": "Enables ability to generate printable geometry from 2D image files.",
-    "api": "7.0",
+    "api": "7.1",
     "i18n-catalog": "cura"
 }

plugins/LegacyProfileReader/plugin.json

@@ -3,6 +3,6 @@
     "author": "Ultimaker B.V.",
     "version": "1.0.1",
     "description": "Provides support for importing profiles from legacy Cura versions.",
-    "api": "7.0",
+    "api": "7.1",
     "i18n-catalog": "cura"
 }

plugins/MachineSettingsAction/plugin.json

@@ -1,8 +1,8 @@
 {
-    "name": "Machine Settings action",
-    "author": "fieldOfView",
+    "name": "Machine Settings Action",
+    "author": "fieldOfView, Ultimaker B.V.",
     "version": "1.0.1",
     "description": "Provides a way to change machine settings (such as build volume, nozzle size, etc.).",
-    "api": "7.0",
+    "api": "7.1",
     "i18n-catalog": "cura"
 }

plugins/ModelChecker/ModelChecker.py

@@ -73,6 +73,8 @@ class ModelChecker(QObject, Extension):
         # Check node material shrinkage and bounding box size
         for node in self.sliceableNodes():
             node_extruder_position = node.callDecoration("getActiveExtruderPosition")
+            if node_extruder_position is None:
+                continue
 
             # This function can be triggered in the middle of a machine change, so do not proceed if the machine change
             # has not done yet.

plugins/ModelChecker/plugin.json

@@ -2,7 +2,7 @@
     "name": "Model Checker",
     "author": "Ultimaker B.V.",
     "version": "1.0.1",
-    "api": "7.0",
+    "api": "7.1",
     "description": "Checks models and print configuration for possible printing issues and give suggestions.",
     "i18n-catalog": "cura"
 }

plugins/MonitorStage/plugin.json

@@ -3,6 +3,6 @@
     "author": "Ultimaker B.V.",
     "version": "1.0.1",
     "description": "Provides a monitor stage in Cura.",
-    "api": "7.0",
+    "api": "7.1",
     "i18n-catalog": "cura"
 }

plugins/PerObjectSettingsTool/PerObjectSettingVisibilityHandler.py

@@ -1,10 +1,11 @@
-# Copyright (c) 2016 Ultimaker B.V.
+# Copyright (c) 2020 Ultimaker B.V.
 # Cura is released under the terms of the LGPLv3 or higher.
 
 from PyQt5.QtCore import pyqtProperty
 from UM.FlameProfiler import pyqtSlot
 
 from UM.Application import Application
+from UM.PluginRegistry import PluginRegistry
 from UM.Settings.ContainerRegistry import ContainerRegistry
 from UM.Settings.SettingInstance import SettingInstance
 from UM.Logger import Logger
@@ -24,6 +25,8 @@ class PerObjectSettingVisibilityHandler(UM.Settings.Models.SettingVisibilityHand
         self._node = None
         self._stack = None
 
+        PluginRegistry.getInstance().getPluginObject("PerObjectSettingsTool").visibility_handler = self
+
         # this is a set of settings that will be skipped if the user chooses to reset.
         self._skip_reset_setting_set = set()
 
@@ -68,7 +71,7 @@ class PerObjectSettingVisibilityHandler(UM.Settings.Models.SettingVisibilityHand
 
         # Add all instances that are not added, but are in visibility list
         for item in visible:
-            if not settings.getInstance(item): # Setting was not added already.
+            if settings.getInstance(item) is None:  # Setting was not added already.
                 definition = self._stack.getSettingDefinition(item)
                 if definition:
                     new_instance = SettingInstance(definition, settings)

plugins/PerObjectSettingsTool/PerObjectSettingsPanel.qml

@@ -49,18 +49,6 @@ Item
         visibility_handler.addSkipResetSetting(currentMeshType)
     }
 
-    function setOverhangsMeshType()
-    {
-        if (infillOnlyCheckbox.checked)
-        {
-            setMeshType(infillMeshType)
-        }
-        else
-        {
-            setMeshType(cuttingMeshType)
-        }
-    }
-
     function setMeshType(type)
     {
         UM.ActiveTool.setProperty("MeshType", type)
@@ -140,26 +128,43 @@ Item
             verticalAlignment: Text.AlignVCenter
         }
 
-        CheckBox
+
+        ComboBox
         {
-            id: infillOnlyCheckbox
+            id: infillOnlyComboBox
+            width: parent.width / 2 - UM.Theme.getSize("default_margin").width
 
-            text: catalog.i18nc("@action:checkbox", "Infill only");
+            model: ListModel
+            {
+                id: infillOnlyComboBoxModel
 
-            style: UM.Theme.styles.checkbox;
+                Component.onCompleted: {
+                    append({ text: catalog.i18nc("@item:inlistbox", "Infill mesh only") })
+                    append({ text: catalog.i18nc("@item:inlistbox", "Cutting mesh") })
+                }
+            }
 
             visible: currentMeshType === infillMeshType || currentMeshType === cuttingMeshType
-            onClicked: setOverhangsMeshType()
+
+
+            onActivated:
+            {
+                if (index == 0){
+                    setMeshType(infillMeshType)
+                } else {
+                    setMeshType(cuttingMeshType)
+                }
+            }
 
             Binding
             {
-                target: infillOnlyCheckbox
-                property: "checked"
-                value: currentMeshType === infillMeshType
+                target: infillOnlyComboBox
+                property: "currentIndex"
+                value: currentMeshType === infillMeshType ? 0 : 1
             }
         }
 
-        Column // Settings Dialog
+        Column // List of selected Settings to override for the selected object
         {
             // This is to ensure that the panel is first increasing in size up to 200 and then shows a scrollbar.
             // It kinda looks ugly otherwise (big panel, no content on it)

plugins/PerObjectSettingsTool/PerObjectSettingsTool.py

@@ -1,5 +1,6 @@
-# Copyright (c) 2016 Ultimaker B.V.
-# Uranium is released under the terms of the LGPLv3 or higher.
+# Copyright (c) 2020 Ultimaker B.V.
+# Cura is released under the terms of the LGPLv3 or higher.
+
 from UM.Logger import Logger
 from UM.Tool import Tool
 from UM.Scene.Selection import Selection
@@ -22,14 +23,13 @@ class PerObjectSettingsTool(Tool):
 
         self._multi_extrusion = False
         self._single_model_selected = False
+        self.visibility_handler = None
 
         Selection.selectionChanged.connect(self.propertyChanged)
-
         Application.getInstance().globalContainerStackChanged.connect(self._onGlobalContainerChanged)
         self._onGlobalContainerChanged()
         Selection.selectionChanged.connect(self._updateEnabled)
 
-
     def event(self, event):
         super().event(event)
         if event.type == Event.MousePressEvent and self._controller.getToolsEnabled():
@@ -68,7 +68,8 @@ class PerObjectSettingsTool(Tool):
 
     ## Returns True when the mesh_type was changed, False when current mesh_type == mesh_type
     def setMeshType(self, mesh_type: str) -> bool:
-        if self.getMeshType() == mesh_type:
+        old_mesh_type = self.getMeshType()
+        if old_mesh_type == mesh_type:
             return False
 
         selected_object = Selection.getSelectedObject(0)
@@ -81,6 +82,7 @@ class PerObjectSettingsTool(Tool):
             selected_object.addDecorator(SettingOverrideDecorator())
             stack = selected_object.callDecoration("getStack")
 
+        settings_visibility_changed = False
         settings = stack.getTop()
         for property_key in ["infill_mesh", "cutting_mesh", "support_mesh", "anti_overhang_mesh"]:
             if property_key != mesh_type:
@@ -94,6 +96,23 @@ class PerObjectSettingsTool(Tool):
                     new_instance.resetState()  # Ensure that the state is not seen as a user state.
                     settings.addInstance(new_instance)
 
+        for property_key in ["top_bottom_thickness", "wall_thickness"]:
+            if mesh_type == "infill_mesh":
+                if settings.getInstance(property_key) is None:
+                    definition = stack.getSettingDefinition(property_key)
+                    new_instance = SettingInstance(definition, settings)
+                    new_instance.setProperty("value", 0)
+                    new_instance.resetState()  # Ensure that the state is not seen as a user state.
+                    settings.addInstance(new_instance)
+                    settings_visibility_changed = True
+
+            elif old_mesh_type == "infill_mesh" and settings.getInstance(property_key) and settings.getProperty(property_key, "value") == 0:
+                settings.removeInstance(property_key)
+                settings_visibility_changed = True
+
+        if settings_visibility_changed:
+            self.visibility_handler.forceVisibilityChanged()
+
         self.propertyChanged.emit()
         return True
 

plugins/PerObjectSettingsTool/plugin.json

@@ -3,6 +3,6 @@
     "author": "Ultimaker B.V.",
     "version": "1.0.1",
     "description": "Provides the Per Model Settings.",
-    "api": "7.0",
+    "api": "7.1",
     "i18n-catalog": "cura"
 }

plugins/PostProcessingPlugin/PostProcessingPlugin.qml

@@ -484,15 +484,53 @@ UM.Dialog
         onClicked: dialog.accept()
     }
 
-    Cura.SecondaryButton
+    Item
     {
         objectName: "postProcessingSaveAreaButton"
         visible: activeScriptsList.count > 0
         height: UM.Theme.getSize("action_button").height
         width: height
-        tooltip: catalog.i18nc("@info:tooltip", "Change active post-processing scripts")
-        onClicked: dialog.show()
-        iconSource: "postprocessing.svg"
-        fixedWidthMode: true
+
+        Cura.SecondaryButton
+        {
+            height: UM.Theme.getSize("action_button").height
+            tooltip:
+            {
+                var tipText = catalog.i18nc("@info:tooltip", "Change active post-processing scripts.");
+                if (activeScriptsList.count > 0)
+                {
+                    tipText += "<br><br>" + catalog.i18ncp("@info:tooltip",
+                        "The following script is active:",
+                        "The following scripts are active:",
+                        activeScriptsList.count
+                    ) + "<ul>";
+                    for(var i = 0; i < activeScriptsList.count; i++)
+                    {
+                        tipText += "<li>" + manager.getScriptLabelByKey(manager.scriptList[i]) + "</li>";
+                    }
+                    tipText += "</ul>";
+                }
+                return tipText
+            }
+            toolTipContentAlignment: Cura.ToolTip.ContentAlignment.AlignLeft
+            onClicked: dialog.show()
+            iconSource: "postprocessing.svg"
+            fixedWidthMode: false
+        }
+
+        Cura.NotificationIcon
+        {
+            id: activeScriptCountIcon
+            visible: activeScriptsList.count > 0
+            anchors
+            {
+                top: parent.top
+                right: parent.right
+                rightMargin: (-0.5 * width) | 0
+                topMargin: (-0.5 * height) | 0
+            }
+
+            labelText: activeScriptsList.count
+        }
     }
 }

plugins/PostProcessingPlugin/plugin.json

@@ -2,7 +2,7 @@
     "name": "Post Processing",
     "author": "Ultimaker",
     "version": "2.2.1",
-    "api": "7.0",
+    "api": "7.1",
     "description": "Extension that allows for user created scripts for post processing",
     "catalog": "cura"
 }

plugins/PostProcessingPlugin/scripts/ColorMix.py

@@ -6,12 +6,20 @@
 #Authors of the 2-1 ColorMix plug-in / script:
 # Written by John Hryb - john.hryb.4@gmail.com
 
-##history / change-log:
-##V1.0.0
-
-## Uses -
-## M163 - Set Mix Factor 
-## M164 - Save Mix - saves to T3 as a unique mix
+#history / change-log:
+#V1.0.0 - Initial
+#V1.1.0 - 
+    # additions:
+        #Object number - To select individual models or all when using "one at a time" print sequence
+#V1.2.0
+    # fixed layer heights Cura starts at 1 while G-code starts at 0
+    # removed notes
+    # changed Units of measurement to Units
+#V1.2.1
+    # Fixed mm bug when not in multiples of layer height
+# Uses -
+# M163 - Set Mix Factor 
+# M164 - Save Mix - saves to T2 as a unique mix
     
 import re #To perform the search and replace.
 from ..Script import Script
@@ -22,20 +30,28 @@ class ColorMix(Script):
 
     def getSettingDataString(self):
         return """{
-            "name":"ColorMix 2-1",
+            "name":"ColorMix 2-1 V1.2.1",
             "key":"ColorMix 2-1",
             "metadata": {},
             "version": 2,
             "settings":
             {
-                "measurement_units":
+                "units_of_measurement":
                 {
-                    "label": "Units of measurement",
+                    "label": "Units",
                     "description": "Input value as mm or layer number.",
                     "type": "enum",
                     "options": {"mm":"mm","layer":"Layer"},
                     "default_value": "layer"
                 },
+                "object_number":
+                {
+                    "label": "Object Number",
+                    "description": "Select model to apply to for print one at a time print sequence. 0 = everything",
+                    "type": "int",
+                    "default_value": 0,
+                    "minimum_value": "0"
+                },
                 "start_height":
                 {
                     "label": "Start Height",
@@ -59,10 +75,10 @@ class ColorMix(Script):
                     "type": "float",
                     "default_value": 0,
                     "minimum_value": "0",
-                    "minimum_value_warning": "0.1",
-                    "enabled": "c_behavior == 'blend_value'" 
+                    "minimum_value_warning": "start_height",
+                    "enabled": "behavior == 'blend_value'" 
                 },
-                "mix_start_ratio":
+                "mix_start":
                 {
                     "label": "Start mix ratio",
                     "description": "First extruder percentage 0-100",
@@ -72,7 +88,7 @@ class ColorMix(Script):
                     "minimum_value_warning": "0",
                     "maximum_value_warning": "100"
                 },
-                "mix_finish_ratio":
+                "mix_finish":
                 {
                     "label": "End mix ratio",
                     "description": "First extruder percentage 0-100 to finish blend",
@@ -81,14 +97,7 @@ class ColorMix(Script):
                     "minimum_value": "0",
                     "minimum_value_warning": "0",
                     "maximum_value_warning": "100",
-                    "enabled": "c_behavior == 'blend_value'"
-                },
-                "notes":
-                {
-                    "label": "Notes",
-                    "description": "A spot to put a note",
-                    "type": "str",
-                    "default_value": ""
+                    "enabled": "behavior == 'blend_value'"
                 }
             }
         }"""
@@ -112,52 +121,53 @@ class ColorMix(Script):
             return default
 
     def execute(self, data):
-        #get user variables
-        firstHeight = 0.0
-        secondHeight = 0.0
-        firstMix = 0.0
-        SecondMix = 0.0
 
         firstHeight = self.getSettingValueByKey("start_height")
         secondHeight = self.getSettingValueByKey("finish_height")
-        firstMix = self.getSettingValueByKey("mix_start_ratio")
-        SecondMix = self.getSettingValueByKey("mix_finish_ratio")
-
-        #locals
-        layer = 0
+        firstMix = self.getSettingValueByKey("mix_start")
+        secondMix = self.getSettingValueByKey("mix_finish")
+        modelOfInterest = self.getSettingValueByKey("object_number")
         
         #get layer height
-        layerHeight = .2
+        layerHeight = 0
         for active_layer in data:
             lines = active_layer.split("\n")
             for line in lines:
                 if ";Layer height: " in line:
                     layerHeight = self.getValue(line, ";Layer height: ", layerHeight)
                     break
+            if layerHeight != 0:
+                break
+        
+        #default layerHeight if not found
+        if layerHeight == 0:
+            layerHeight = .2
+            
         #get layers to use
         startLayer = 0
         endLayer = 0
-        if self.getSettingValueByKey("measurement_units") == "mm":
-            if firstHeight == 0:
-                startLayer = 0
-            else:
-                startLayer = firstHeight / layerHeight
-            if secondHeight == 0:
-                endLayer = 0
-            else:
-                endLayer = secondHeight / layerHeight
-        else:  #layer height
-            startLayer = firstHeight
-            endLayer = secondHeight
+        if self.getSettingValueByKey("units_of_measurement") == "mm":
+            startLayer = round(firstHeight / layerHeight)
+            endLayer = round(secondHeight / layerHeight)
+        else:  #layer height shifts down by one for g-code
+            if firstHeight <= 0:
+                firstHeight = 1
+            if secondHeight <= 0:
+                secondHeight = 1   
+            startLayer = firstHeight - 1
+            endLayer = secondHeight - 1
         #see if one-shot
         if self.getSettingValueByKey("behavior") == "fixed_value":
             endLayer = startLayer
             firstExtruderIncrements = 0
         else:  #blend
-            firstExtruderIncrements = (SecondMix - firstMix) / (endLayer - startLayer)
+            firstExtruderIncrements = (secondMix - firstMix) / (endLayer - startLayer)
         firstExtruderValue = 0
         index = 0
+
         #start scanning
+        layer = -1
+        modelNumber = 0
         for active_layer in data:
             modified_gcode = ""
             lineIndex = 0;
@@ -169,21 +179,29 @@ class ColorMix(Script):
                 # find current layer
                 if ";LAYER:" in line:
                     layer = self.getValue(line, ";LAYER:", layer)
-                    if (layer >= startLayer) and (layer <= endLayer):  #find layers of interest
-                        if lines[lineIndex + 4] == "T2":  #check if needing to delete old data
-                            del lines[(lineIndex + 1):(lineIndex + 5)] 
-                        firstExtruderValue = int(((layer - startLayer) * firstExtruderIncrements) + firstMix)
-                        if firstExtruderValue == 100:
-                            modified_gcode += "M163 S0 P1\n"
-                            modified_gcode += "M163 S1 P0\n"
-                        elif firstExtruderValue == 0:
-                            modified_gcode += "M163 S0 P0\n"
-                            modified_gcode += "M163 S1 P1\n"
-                        else:
-                            modified_gcode += "M163 S0 P0.{:02d}\n".format(firstExtruderValue)
-                            modified_gcode += "M163 S1 P0.{:02d}\n".format(100 - firstExtruderValue)
-                        modified_gcode += "M164 S2\n"
-                        modified_gcode += "T2\n"
+                    #get model number by layer 0 repeats
+                    if layer == 0:
+                        modelNumber = modelNumber + 1
+                    #search for layers to manipulate
+                    if (layer >= startLayer) and (layer <= endLayer):
+                        #make sure correct model is selected
+                        if (modelOfInterest == 0) or (modelOfInterest == modelNumber):
+                            #Delete old data if required
+                            if lines[lineIndex + 4] == "T2":  
+                                del lines[(lineIndex + 1):(lineIndex + 5)]
+                            #add mixing commands
+                            firstExtruderValue = int(((layer - startLayer) * firstExtruderIncrements) + firstMix)
+                            if firstExtruderValue == 100:
+                                modified_gcode += "M163 S0 P1\n"
+                                modified_gcode += "M163 S1 P0\n"
+                            elif firstExtruderValue == 0:
+                                modified_gcode += "M163 S0 P0\n"
+                                modified_gcode += "M163 S1 P1\n"
+                            else:
+                                modified_gcode += "M163 S0 P0.{:02d}\n".format(firstExtruderValue)
+                                modified_gcode += "M163 S1 P0.{:02d}\n".format(100 - firstExtruderValue)
+                            modified_gcode += "M164 S2\n"
+                            modified_gcode += "T2\n"
                 lineIndex += 1  #for deleting index
             data[index] = modified_gcode
             index += 1

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/PrepareStage/plugin.json

@@ -3,6 +3,6 @@
     "author": "Ultimaker B.V.",
     "version": "1.0.1",
     "description": "Provides a prepare stage in Cura.",
-    "api": "7.0",
+    "api": "7.1",
     "i18n-catalog": "cura"
 }

plugins/PreviewStage/plugin.json

@@ -3,6 +3,6 @@
     "author": "Ultimaker B.V.",
     "version": "1.0.1",
     "description": "Provides a preview stage in Cura.",
-    "api": "7.0",
+    "api": "7.1",
     "i18n-catalog": "cura"
 }

plugins/RemovableDriveOutputDevice/WindowsRemovableDrivePlugin.py

@@ -47,7 +47,10 @@ class WindowsRemovableDrivePlugin(RemovableDrivePlugin.RemovableDrivePlugin):
     def checkRemovableDrives(self):
         drives = {}
 
+        # The currently available disk drives, e.g.: bitmask = ...1100 <-- ...DCBA
         bitmask = ctypes.windll.kernel32.GetLogicalDrives()
+        # Since we are ignoring drives A and B, the bitmask has has to shift twice to the right
+        bitmask >>= 2
         # Check possible drive letters, from C to Z
         # Note: using ascii_uppercase because we do not want this to change with locale!
         # Skip A and B, since those drives are typically reserved for floppy disks.

plugins/RemovableDriveOutputDevice/plugin.json

@@ -3,6 +3,6 @@
     "author": "Ultimaker B.V.",
     "description": "Provides removable drive hotplugging and writing support.",
     "version": "1.0.1",
-    "api": "7.0",
+    "api": "7.1",
     "i18n-catalog": "cura"
 }

plugins/SentryLogger/SentryLogger.py

@@ -3,6 +3,9 @@
 
 from UM.Logger import LogOutput
 from typing import Set
+
+from cura.CrashHandler import CrashHandler
+
 try:
     from sentry_sdk import add_breadcrumb
 except ImportError:
@@ -10,8 +13,6 @@ except ImportError:
 from typing import Optional
 import os
 
-home_dir = os.path.expanduser("~")
-
 
 class SentryLogger(LogOutput):
     # Sentry (https://sentry.io) is the service that Cura uses for logging crashes. This logger ensures that the
@@ -37,7 +38,7 @@ class SentryLogger(LogOutput):
     #   \param message String containing message to be logged
     def log(self, log_type: str, message: str) -> None:
         level = self._translateLogType(log_type)
-        message = self._pruneSensitiveData(message)
+        message = CrashHandler.pruneSensitiveData(message)
         if level is None:
             if message not in self._show_once:
                 level = self._translateLogType(log_type[0])
@@ -47,12 +48,6 @@ class SentryLogger(LogOutput):
         else:
             add_breadcrumb(level = level, message = message)
 
-    @staticmethod
-    def _pruneSensitiveData(message):
-        if home_dir in message:
-            message = message.replace(home_dir, "<user_home>")
-        return message
-
     @staticmethod
     def _translateLogType(log_type: str) -> Optional[str]:
         return SentryLogger._levels.get(log_type)

plugins/SentryLogger/plugin.json

@@ -3,6 +3,6 @@
     "author": "Ultimaker B.V.",
     "version": "1.0.0",
     "description": "Logs certain events so that they can be used by the crash reporter",
-    "api": "7.0",
+    "api": "7.1",
     "i18n-catalog": "cura"
 }

plugins/SimulationView/SimulationPass.py

@@ -46,10 +46,19 @@ class SimulationPass(RenderPass):
         self._layer_view = layerview
         self._compatibility_mode = layerview.getCompatibilityMode()
 
-    def _updateLayerShaderValues(self):
+    def render(self):
+        if not self._layer_shader:
+            if self._compatibility_mode:
+                shader_filename = "layers.shader"
+                shadow_shader_filename = "layers_shadow.shader"
+            else:
+                shader_filename = "layers3d.shader"
+                shadow_shader_filename = "layers3d_shadow.shader"
+            self._layer_shader = OpenGL.getInstance().createShaderProgram(os.path.join(PluginRegistry.getInstance().getPluginPath("SimulationView"), shader_filename))
+            self._layer_shadow_shader = OpenGL.getInstance().createShaderProgram(os.path.join(PluginRegistry.getInstance().getPluginPath("SimulationView"), shadow_shader_filename))
+            self._current_shader = self._layer_shader
         # Use extruder 0 if the extruder manager reports extruder index -1 (for single extrusion printers)
-        self._layer_shader.setUniformValue("u_active_extruder",
-                                           float(max(0, self._extruder_manager.activeExtruderIndex)))
+        self._layer_shader.setUniformValue("u_active_extruder", float(max(0, self._extruder_manager.activeExtruderIndex)))
         if self._layer_view:
             self._layer_shader.setUniformValue("u_max_feedrate", self._layer_view.getMaxFeedrate())
             self._layer_shader.setUniformValue("u_min_feedrate", self._layer_view.getMinFeedrate())
@@ -62,7 +71,7 @@ class SimulationPass(RenderPass):
             self._layer_shader.setUniformValue("u_show_skin", self._layer_view.getShowSkin())
             self._layer_shader.setUniformValue("u_show_infill", self._layer_view.getShowInfill())
         else:
-            # defaults
+            #defaults
             self._layer_shader.setUniformValue("u_max_feedrate", 1)
             self._layer_shader.setUniformValue("u_min_feedrate", 0)
             self._layer_shader.setUniformValue("u_max_thickness", 1)
@@ -74,20 +83,6 @@ class SimulationPass(RenderPass):
             self._layer_shader.setUniformValue("u_show_skin", 1)
             self._layer_shader.setUniformValue("u_show_infill", 1)
 
-    def render(self):
-        if not self._layer_shader:
-            if self._compatibility_mode:
-                shader_filename = "layers.shader"
-                shadow_shader_filename = "layers_shadow.shader"
-            else:
-                shader_filename = "layers3d.shader"
-                shadow_shader_filename = "layers3d_shadow.shader"
-            self._layer_shader = OpenGL.getInstance().createShaderProgram(os.path.join(PluginRegistry.getInstance().getPluginPath("SimulationView"), shader_filename))
-            self._layer_shadow_shader = OpenGL.getInstance().createShaderProgram(os.path.join(PluginRegistry.getInstance().getPluginPath("SimulationView"), shadow_shader_filename))
-            self._current_shader = self._layer_shader
-
-        self._updateLayerShaderValues()
-
         if not self._tool_handle_shader:
             self._tool_handle_shader = OpenGL.getInstance().createShaderProgram(Resources.getPath(Resources.Shaders, "toolhandle.shader"))
 
@@ -102,6 +97,7 @@ class SimulationPass(RenderPass):
         nozzle_node = None
 
         for node in DepthFirstIterator(self._scene.getRoot()):
+
             if isinstance(node, ToolHandle):
                 tool_handle_batch.addItem(node.getWorldTransformation(), mesh = node.getSolidMesh())
 
@@ -116,24 +112,29 @@ class SimulationPass(RenderPass):
 
                 # Render all layers below a certain number as line mesh instead of vertices.
                 if self._layer_view._current_layer_num > -1 and ((not self._layer_view._only_show_top_layers) or (not self._layer_view.getCompatibilityMode())):
-                    start = self._layer_view.start_elements_index
-                    end = self._layer_view.end_elements_index
-                    index = self._layer_view._current_path_num
-                    offset = 0
-                    layer = layer_data.getLayer(self._layer_view._current_layer_num)
-                    if layer is None:
-                        continue
-                    for polygon in layer.polygons:
-                        # The size indicates all values in the two-dimension array, and the second dimension is
-                        # always size 3 because we have 3D points.
-                        if index >= polygon.data.size // 3 - offset:
-                            index -= polygon.data.size // 3 - offset
-                            offset = 1  # This is to avoid the first point when there is more than one polygon, since has the same value as the last point in the previous polygon
-                            continue
-                        # The head position is calculated and translated
-                        head_position = Vector(polygon.data[index + offset][0], polygon.data[index + offset][1],
-                                               polygon.data[index + offset][2]) + node.getWorldPosition()
-                        break
+                    start = 0
+                    end = 0
+                    element_counts = layer_data.getElementCounts()
+                    for layer in sorted(element_counts.keys()):
+                        # In the current layer, we show just the indicated paths
+                        if layer == self._layer_view._current_layer_num:
+                            # We look for the position of the head, searching the point of the current path
+                            index = self._layer_view._current_path_num
+                            offset = 0
+                            for polygon in layer_data.getLayer(layer).polygons:
+                                # The size indicates all values in the two-dimension array, and the second dimension is
+                                # always size 3 because we have 3D points.
+                                if index >= polygon.data.size // 3 - offset:
+                                    index -= polygon.data.size // 3 - offset
+                                    offset = 1  # This is to avoid the first point when there is more than one polygon, since has the same value as the last point in the previous polygon
+                                    continue
+                                # The head position is calculated and translated
+                                head_position = Vector(polygon.data[index+offset][0], polygon.data[index+offset][1], polygon.data[index+offset][2]) + node.getWorldPosition()
+                                break
+                            break
+                        if self._layer_view._minimum_layer_num > layer:
+                            start += element_counts[layer]
+                        end += element_counts[layer]
 
                     # Calculate the range of paths in the last layer
                     current_layer_start = end

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
@@ -56,6 +56,8 @@ class SimulationView(CuraView):
     LAYER_VIEW_TYPE_FEEDRATE = 2
     LAYER_VIEW_TYPE_THICKNESS = 3
 
+    _no_layers_warning_preference = "view/no_layers_warning"
+
     def __init__(self, parent = None) -> None:
         super().__init__(parent)
 
@@ -71,8 +73,6 @@ class SimulationView(CuraView):
         self._max_paths = 0
         self._current_path_num = 0
         self._minimum_path_num = 0
-        self.start_elements_index = 0
-        self.end_elements_index = 0
         self.currentLayerNumChanged.connect(self._onCurrentLayerNumChanged)
 
         self._busy = False
@@ -116,8 +116,12 @@ 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 layers to show"),
+                                                    option_text = catalog.i18nc("@info:option_text", "Do not show this message again"), option_state = False)
+        self._slice_first_warning_message.optionToggled.connect(self._onDontAskMeAgain)
+        CuraApplication.getInstance().getPreferences().addPreference(self._no_layers_warning_preference, True)
 
         QtApplication.getInstance().engineCreatedSignal.connect(self._onEngineCreated)
 
@@ -149,6 +153,7 @@ class SimulationView(CuraView):
         if self._activity == activity:
             return
         self._activity = activity
+        self._updateSliceWarningVisibility()
         self.activityChanged.emit()
 
     def getSimulationPass(self) -> SimulationPass:
@@ -245,7 +250,6 @@ class SimulationView(CuraView):
                 self._minimum_layer_num = self._current_layer_num
 
             self._startUpdateTopLayers()
-            self.recalculateStartEndElements()
 
             self.currentLayerNumChanged.emit()
 
@@ -260,7 +264,7 @@ class SimulationView(CuraView):
                 self._current_layer_num = self._minimum_layer_num
 
             self._startUpdateTopLayers()
-            self.recalculateStartEndElements()
+
             self.currentLayerNumChanged.emit()
 
     def setPath(self, value: int) -> None:
@@ -274,7 +278,6 @@ class SimulationView(CuraView):
                 self._minimum_path_num = self._current_path_num
 
             self._startUpdateTopLayers()
-            self.recalculateStartEndElements()
             self.currentPathNumChanged.emit()
 
     def setMinimumPath(self, value: int) -> None:
@@ -362,24 +365,6 @@ class SimulationView(CuraView):
             return 0.0 # If it's still max-float, there are no measurements. Use 0 then.
         return self._min_thickness
 
-    def recalculateStartEndElements(self):
-        self.start_elements_index = 0
-        self.end_elements_index = 0
-        scene = self.getController().getScene()
-        for node in DepthFirstIterator(scene.getRoot()):  # type: ignore
-            layer_data = node.callDecoration("getLayerData")
-            if not layer_data:
-                continue
-
-            # Found a the layer data!
-            element_counts = layer_data.getElementCounts()
-            for layer in sorted(element_counts.keys()):
-                if layer == self._current_layer_num:
-                    break
-                if self._minimum_layer_num > layer:
-                    self.start_elements_index += element_counts[layer]
-                self.end_elements_index += element_counts[layer]
-
     def getMaxThickness(self) -> float:
         return self._max_thickness
 
@@ -543,11 +528,13 @@ 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)
@@ -599,7 +586,6 @@ class SimulationView(CuraView):
     def _startUpdateTopLayers(self) -> None:
         if not self._compatibility_mode:
             return
-        self.recalculateStartEndElements()
         if self._top_layers_job:
             self._top_layers_job.finished.disconnect(self._updateCurrentLayerMesh)
             self._top_layers_job.cancel()
@@ -661,6 +647,16 @@ class SimulationView(CuraView):
 
         self._updateWithPreferences()
 
+    def _updateSliceWarningVisibility(self):
+        if not self.getActivity()\
+                and not CuraApplication.getInstance().getPreferences().getValue("general/auto_slice")\
+                and CuraApplication.getInstance().getPreferences().getValue(self._no_layers_warning_preference):
+            self._slice_first_warning_message.show()
+        else:
+            self._slice_first_warning_message.hide()
+
+    def _onDontAskMeAgain(self, checked: bool) -> None:
+        CuraApplication.getInstance().getPreferences().setValue(self._no_layers_warning_preference, not checked)
 
 class _CreateTopLayersJob(Job):
     def __init__(self, scene: "Scene", layer_number: int, solid_layers: int) -> None:

plugins/SimulationView/SimulationViewMenuComponent.qml

@@ -112,7 +112,7 @@ Cura.ExpandableComponent
                 type_id: 1
             })
             layerViewTypes.append({
-                text: catalog.i18nc("@label:listbox", "Feedrate"),
+                text: catalog.i18nc("@label:listbox", "Speed"),
                 type_id: 2
             })
             layerViewTypes.append({

plugins/SimulationView/layers3d.shader

@@ -80,7 +80,7 @@ vertex41core =
             case 1:  // "Line type"
                 v_color = a_color;
                 break;
-            case 2:  // "Feedrate"
+            case 2:  // "Speed", or technically 'Feedrate'
                 v_color = feedrateGradientColor(a_feedrate, u_min_feedrate, u_max_feedrate);
                 break;
             case 3:  // "Layer thickness"

plugins/SimulationView/plugin.json

@@ -3,6 +3,6 @@
     "author": "Ultimaker B.V.",
     "version": "1.0.1",
     "description": "Provides the Simulation view.",
-    "api": "7.0",
+    "api": "7.1",
     "i18n-catalog": "cura"
 }

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/SliceInfoPlugin/plugin.json

@@ -3,6 +3,6 @@
     "author": "Ultimaker B.V.",
     "version": "1.0.1",
     "description": "Submits anonymous slice info. Can be disabled through preferences.",
-    "api": "7.0",
+    "api": "7.1",
     "i18n-catalog": "cura"
 }

plugins/SolidView/plugin.json

@@ -3,6 +3,6 @@
     "author": "Ultimaker B.V.",
     "version": "1.0.1",
     "description": "Provides a normal solid mesh view.",
-    "api": "7.0",
+    "api": "7.1",
     "i18n-catalog": "cura"
 }

plugins/SupportEraser/plugin.json

@@ -3,6 +3,6 @@
     "author": "Ultimaker B.V.",
     "version": "1.0.1",
     "description": "Creates an eraser mesh to block the printing of support in certain places",
-    "api": "7.0",
+    "api": "7.1",
     "i18n-catalog": "cura"
 }

plugins/Toolbox/plugin.json

@@ -2,6 +2,6 @@
     "name": "Toolbox",
     "author": "Ultimaker B.V.",
     "version": "1.0.1",
-    "api": "7.0",
+    "api": "7.1",
     "description": "Find, manage and install new Cura packages."
 }

plugins/Toolbox/resources/images/shop.svg

@@ -0,0 +1,3 @@
+<svg xmlns="http://www.w3.org/2000/svg" width="24" height="24">
+    <path d="M19,3H5A2.9,2.9,0,0,0,2,6V9a3.9,3.9,0,0,0,2,3.4V22H20V12.4A3.9,3.9,0,0,0,22,9V6A2.9,2.9,0,0,0,19,3ZM10,5h4V9a2,2,0,0,1-4,0ZM4,9V5H8V9A2,2,0,0,1,4,9ZM18,20H14V15H10v5H6V13a3.7,3.7,0,0,0,3-1.4A3.7,3.7,0,0,0,12,13a3.7,3.7,0,0,0,3-1.4A3.7,3.7,0,0,0,18,13ZM20,9a2,2,0,0,1-4,0V5h4Z" />
+</svg>

plugins/Toolbox/resources/qml/components/ToolboxDownloadsShowcase.qml

@@ -14,17 +14,44 @@ Rectangle
     Column
     {
         height: childrenRect.height + 2 * padding
-        spacing: UM.Theme.getSize("default_margin").width
+        spacing: UM.Theme.getSize("default_margin").height
         width: parent.width
         padding: UM.Theme.getSize("wide_margin").height
-        Label
+        Item
         {
-            id: heading
-            text: catalog.i18nc("@label", "Featured")
-            width: parent.width
-            color: UM.Theme.getColor("text_medium")
-            font: UM.Theme.getFont("large")
-            renderType: Text.NativeRendering
+            width: parent.width - parent.padding * 2
+            height: childrenRect.height
+            Label
+            {
+                id: heading
+                text: catalog.i18nc("@label", "Featured")
+                width: contentWidth
+                height: contentHeight
+                color: UM.Theme.getColor("text_medium")
+                font: UM.Theme.getFont("large")
+                renderType: Text.NativeRendering
+            }
+            UM.TooltipArea
+            {
+                width: childrenRect.width
+                height: childrenRect.height
+                anchors.right: parent.right
+                text: catalog.i18nc("@info:tooltip", "Go to Web Marketplace")
+                Label
+                {
+                    text: "<a href='%2'>".arg(toolbox.getWebMarketplaceUrl("materials")) + catalog.i18nc("@label", "Search materials") + "</a>"
+                    width: contentWidth
+                    height: contentHeight
+                    horizontalAlignment: Text.AlignRight
+                    font: UM.Theme.getFont("default")
+                    renderType: Text.NativeRendering
+
+                    linkColor: UM.Theme.getColor("text_link")
+                    onLinkActivated: Qt.openUrlExternally(link)
+
+                    visible: toolbox.viewCategory === "material"
+                }
+            }
         }
         Grid
         {

plugins/Toolbox/resources/qml/components/ToolboxFooter.qml

@@ -42,7 +42,7 @@ Item
             rightMargin: UM.Theme.getSize("wide_margin").width
         }
         height: UM.Theme.getSize("toolbox_footer_button").height
-        text: catalog.i18nc("@info:button", "Quit Cura")
+        text: catalog.i18nc("@info:button, %1 is the application name", "Quit %1").arg(CuraApplication.applicationDisplayName)
         onClicked: toolbox.restart()
     }
 

plugins/Toolbox/resources/qml/components/ToolboxHeader.qml

@@ -1,4 +1,4 @@
-// Copyright (c) 2018 Ultimaker B.V.
+// Copyright (c) 2020 Ultimaker B.V.
 // Toolbox is released under the terms of the LGPLv3 or higher.
 
 import QtQuick 2.10
@@ -51,32 +51,25 @@ Item
                 toolbox.viewPage = "overview"
             }
         }
-    }
 
-    ToolboxTabButton
-    {
-        id: installedTabButton
-        text: catalog.i18nc("@title:tab", "Installed")
-        active: toolbox.viewCategory == "installed"
-        enabled: !toolbox.isDownloading
-        anchors
+        ToolboxTabButton
         {
-            right: parent.right
-            rightMargin: UM.Theme.getSize("default_margin").width
+            id: installedTabButton
+            text: catalog.i18nc("@title:tab", "Installed")
+            active: toolbox.viewCategory == "installed"
+            enabled: !toolbox.isDownloading
+            onClicked: toolbox.viewCategory = "installed"
+            width: UM.Theme.getSize("toolbox_header_tab").width + marketplaceNotificationIcon.width - UM.Theme.getSize("default_margin").width
         }
-        onClicked: toolbox.viewCategory = "installed"
-        width: UM.Theme.getSize("toolbox_header_tab").width + marketplaceNotificationIcon.width - UM.Theme.getSize("default_margin").width
+
+
     }
 
     Cura.NotificationIcon
     {
         id: marketplaceNotificationIcon
-
         visible: CuraApplication.getPackageManager().packagesWithUpdate.length > 0
-
-        anchors.right: installedTabButton.right
-        anchors.verticalCenter: installedTabButton.verticalCenter
-
+        anchors.right: bar.right
         labelText:
         {
             const itemCount = CuraApplication.getPackageManager().packagesWithUpdate.length
@@ -84,6 +77,33 @@ Item
         }
     }
 
+
+    UM.TooltipArea
+    {
+        id: webMarketplaceButtonTooltipArea
+        width: childrenRect.width
+        height: parent.height
+        text: catalog.i18nc("@info:tooltip", "Go to Web Marketplace")
+        anchors
+        {
+            right: parent.right
+            rightMargin: UM.Theme.getSize("default_margin").width
+            verticalCenter: parent.verticalCenter
+        }
+        onClicked: Qt.openUrlExternally(toolbox.getWebMarketplaceUrl("plugins"))
+        UM.RecolorImage
+        {
+            id: cloudMarketplaceButton
+            source: "../../images/shop.svg"
+            color: UM.Theme.getColor(webMarketplaceButtonTooltipArea.containsMouse ? "primary" : "text")
+            height: parent.height / 2
+            width: height
+            anchors.verticalCenter: parent.verticalCenter
+            sourceSize.width: width
+            sourceSize.height: height
+        }
+    }
+
     ToolboxShadow
     {
         anchors.top: bar.bottom

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/CloudApiClient.py

@@ -0,0 +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
+
+
+class CloudApiClient:
+    """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
+
+    Singleton: use CloudApiClient.getInstance() instead of CloudApiClient()
+    """
+
+    __instance = None
+
+    @classmethod
+    def getInstance(cls, app: CuraApplication):
+        if not cls.__instance:
+            cls.__instance = CloudApiClient(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)
+        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/CloudPackageChecker.py

@@ -1,3 +1,6 @@
+# Copyright (c) 2020 Ultimaker B.V.
+# Cura is released under the terms of the LGPLv3 or higher.
+
 import json
 from typing import Optional
 
@@ -8,11 +11,12 @@ 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:
@@ -22,74 +26,37 @@ class CloudPackageChecker(QObject):
         self._application = application  # type: CuraApplication
         self._scope = UltimakerCloudScope(application)
         self._model = SubscribedPackagesModel()
+        self._message = None  # type: Optional[Message]
 
         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()
+        self._onLoginStateChanged()
         # check again whenever the login state changes
-        self._application.getCuraAPI().account.loginStateChanged.connect(self._fetchUserSubscribedPackages)
+        self._application.getCuraAPI().account.loginStateChanged.connect(self._onLoginStateChanged)
 
-    def _fetchUserSubscribedPackages(self) -> None:
+    def _onLoginStateChanged(self) -> None:
         if self._application.getCuraAPI().account.isLoggedIn:
-            self._getUserPackages()
+            self._getUserSubscribedPackages()
+        elif self._message is not None:
+            self._message.hide()
+            self._message = None
 
-    def _handleCompatibilityData(self, json_data) -> None:
-        user_subscribed_packages = [plugin["package_id"] for plugin in json_data]
-        user_installed_packages = self._package_manager.getUserInstalledPackages()
-        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
-        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._handlePackageDiscrepancies()
-
-    def _handlePackageDiscrepancies(self) -> None:
-        Logger.log("d", "Discrepancy found between Cloud subscribed packages and Cura installed packages")
-        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"),
-                               icon="",
-                               description="Sync your Cloud subscribed packages to your local environment.",
-                               button_align=Message.ActionButtonAlignment.ALIGN_RIGHT)
-        sync_message.actionTriggered.connect(self._onSyncButtonClicked)
-        sync_message.show()
-
-    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.")
+    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:
+    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",
@@ -98,13 +65,50 @@ class CloudPackageChecker(QObject):
 
         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")
+            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 Web Marketplace but not in Cura marketplace
+        package_discrepancy = list(set(user_subscribed_packages).difference(user_installed_packages))
+        if package_discrepancy:
+            self._model.addDiscrepancies(package_discrepancy)
+            self._model.initialize(self._package_manager, subscribed_packages_payload)
+            self._handlePackageDiscrepancies()
+
+    def _handlePackageDiscrepancies(self) -> None:
+        Logger.log("d", "Discrepancy found between Cloud subscribed packages and Cura installed packages")
+        sync_message = Message(self._i18n_catalog.i18nc(
+            "@info:generic",
+            "Do you want to sync material and software packages with your account?"),
+            title = self._i18n_catalog.i18nc("@info:title", "Changes detected from your Ultimaker account", ),
+            lifetime = 0)
+        sync_message.addAction("sync",
+                               name = self._i18n_catalog.i18nc("@action:button", "Sync"),
+                               icon = "",
+                               description = "Sync your Cloud subscribed packages to your local environment.",
+                               button_align = Message.ActionButtonAlignment.ALIGN_RIGHT)
+        sync_message.actionTriggered.connect(self._onSyncButtonClicked)
+        sync_message.show()
+        self._message = sync_message
+
+    def _onSyncButtonClicked(self, sync_message: Message, sync_message_action: str) -> None:
+        sync_message.hide()
+        self.discrepancies.emit(self._model)

plugins/Toolbox/src/CloudSync/CloudPackageManager.py

@@ -1,18 +0,0 @@
-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)
-
-    def subscribe(self, package_id: str) -> None:
-        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
-                                  )

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

@@ -1,3 +1,6 @@
+# Copyright (c) 2020 Ultimaker B.V.
+# Cura is released under the terms of the LGPLv3 or higher.
+
 import tempfile
 from typing import Dict, List, Any
 
@@ -62,7 +65,8 @@ 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
@@ -80,11 +84,9 @@ class DownloadPresenter:
         return DownloadPresenter(self._app)
 
     def _createProgressMessage(self) -> Message:
-        return Message(i18n_catalog.i18nc(
-            "@info:generic",
-            "\nSyncing..."),
+        return Message(i18n_catalog.i18nc("@info:generic", "Syncing..."),
             lifetime = 0,
-            use_inactivity_timer=False,
+            use_inactivity_timer = False,
             progress = 0.0,
             title = i18n_catalog.i18nc("@info:title", "Changes detected from your Ultimaker account", ))
 
@@ -92,7 +94,7 @@ class DownloadPresenter:
         self._progress[package_id]["received"] = self._progress[package_id]["total"]
 
         try:
-            with tempfile.NamedTemporaryFile(mode ="wb+", suffix =".curapackage", delete = False) as temp_file:
+            with tempfile.NamedTemporaryFile(mode = "wb+", suffix = ".curapackage", delete = False) as temp_file:
                 bytes_read = reply.read(self.DISK_WRITE_BUFFER_SIZE)
                 while bytes_read:
                     temp_file.write(bytes_read)
@@ -128,7 +130,14 @@ 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

@@ -1,8 +1,10 @@
 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
 
+from UM.Logger import Logger
 from UM.PackageManager import PackageManager
 from UM.Signal import Signal
 from cura.CuraApplication import CuraApplication
@@ -11,12 +13,20 @@ from UM.i18n import i18nCatalog
 from .LicenseModel import LicenseModel
 
 
-## Call present() to show a licenseDialog for a set of packages
-#  licenseAnswers emits a list of Dicts containing answers when the user has made a choice for all provided packages
 class LicensePresenter(QObject):
+    """Presents licenses for a set of packages for the user to accept or reject.
+
+    Call present() exactly once to show a licenseDialog for a set of packages
+    Before presenting another set of licenses, create a new instance using resetCopy().
+
+    licenseAnswers emits a list of Dicts containing answers when the user has made a choice for all provided packages.
+    """
 
     def __init__(self, app: CuraApplication) -> None:
         super().__init__()
+        self._presented = False
+        """Whether present() has been called and state is expected to be initialized"""
+        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 +35,9 @@ 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
 
@@ -34,21 +46,36 @@ 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:
+        if self._presented:
+            Logger.error("{clazz} is single-use. Create a new {clazz} instead", clazz=self.__class__.__name__)
+            return
+
         path = os.path.join(plugin_path, self._compatibility_dialog_path)
 
         self._initState(packages)
 
+        if self._page_count == 0:
+            self.licenseAnswers.emit(self._package_models)
+            return
+
         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()
+        self._presented = True
+
+    def resetCopy(self) -> "LicensePresenter":
+        """Clean up and return a new copy with the same settings such as app"""
+        if self._dialog:
+            self._dialog.close()
+        self.licenseAnswers.disconnectAll()
+        return LicensePresenter(self._app)
 
     @pyqtSlot()
     def onLicenseAccepted(self) -> None:
@@ -60,32 +87,41 @@ 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, Any]]) -> 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

@@ -2,9 +2,12 @@
 # Cura is released under the terms of the LGPLv3 or higher.
 
 from PyQt5.QtCore import Qt, pyqtProperty, pyqtSlot
+
+from UM.PackageManager import PackageManager
 from UM.Qt.ListModel import ListModel
+from UM.Version import Version
+
 from cura import ApplicationMetadata
-from UM.Logger import Logger
 from typing import List, Dict, Any
 
 
@@ -37,27 +40,18 @@ 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, package_manager: PackageManager, 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 = {
@@ -68,15 +62,13 @@ class SubscribedPackagesModel(ListModel):
                 "md5_hash": item["md5_hash"],
                 "is_dismissed": False,
             }
-            if self._sdk_version not in item["sdk_versions"]:
-                package.update({"is_compatible": False})
-            else:
-                package.update({"is_compatible": True})
+
+            compatible = any(package_manager.isPackageCompatible(Version(version)) for version in item["sdk_versions"])
+            package.update({"is_compatible": compatible})
+
             try:
                 package.update({"icon_url": item["icon_url"]})
             except KeyError:  # There is no 'icon_url" in the response payload for this package
                 package.update({"icon_url": ""})
             self._items.append(package)
         self.setItems(self._items)
-
-

plugins/Toolbox/src/CloudSync/SyncOrchestrator.py

@@ -1,12 +1,14 @@
 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
-from .CloudPackageManager import CloudPackageManager
+from .CloudApiClient import CloudApiClient
 from .DiscrepanciesPresenter import DiscrepanciesPresenter
 from .DownloadPresenter import DownloadPresenter
 from .LicensePresenter import LicensePresenter
@@ -24,7 +26,7 @@ from .SubscribedPackagesModel import SubscribedPackagesModel
 # - The DownloadPresenter shows a download progress dialog. It emits A tuple of succeeded and failed downloads
 # - The LicensePresenter extracts licenses from the downloaded packages and presents a license for each package to
 #   be installed. It emits the `licenseAnswers` signal for accept or declines
-# - The CloudPackageManager removes the declined packages from the account
+# - The CloudApiClient removes the declined packages from the account
 # - The SyncOrchestrator uses PackageManager to install the downloaded packages and delete temp files.
 # - The RestartApplicationPresenter notifies the user that a restart is required for changes to take effect
 class SyncOrchestrator(Extension):
@@ -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 CloudApiClient. it watches for installed packages and subscribes to them
+        self._cloud_api = CloudApiClient.getInstance(app)  # type: CloudApiClient
 
         self._checker = CloudPackageChecker(app)  # type: CloudPackageChecker
         self._checker.discrepancies.connect(self._onDiscrepancies)
@@ -61,32 +64,39 @@ 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 = self._license_presenter.resetCopy()
+        self._license_presenter.licenseAnswers.connect(self._onLicenseAnswers)
         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_api.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/PackagesModel.py

@@ -67,17 +67,22 @@ class PackagesModel(ListModel):
 
             links_dict = {}
             if "data" in package:
+                # Links is a list of dictionaries with "title" and "url". Convert this list into a dict so it's easier
+                # to process.
+                link_list = package["data"]["links"] if "links" in package["data"] else []
+                links_dict = {d["title"]: d["url"] for d in link_list}
+
+                # This code never gets executed because the API response does not contain "supported_configs" in it
+                # It is so because 2y ago when this was created - it did contain it. But it was a prototype only
+                # and never got to production. As agreed with the team, it'll stay here for now, in case we decide to rework and use it
+                # The response payload has been changed. Please see:
+                # https://github.com/Ultimaker/Cura/compare/CURA-7072-temp?expand=1
                 if "supported_configs" in package["data"]:
                     if len(package["data"]["supported_configs"]) > 0:
                         has_configs = True
                         configs_model = ConfigsModel()
                         configs_model.setConfigs(package["data"]["supported_configs"])
 
-                # Links is a list of dictionaries with "title" and "url". Convert this list into a dict so it's easier
-                # to process.
-                link_list = package["data"]["links"] if "links" in package["data"] else []
-                links_dict = {d["title"]: d["url"] for d in link_list}
-
             if "author_id" not in package["author"] or "display_name" not in package["author"]:
                 package["author"]["author_id"] = ""
                 package["author"]["display_name"] = ""

plugins/Toolbox/src/Toolbox.py

@@ -16,12 +16,12 @@ from UM.i18n import i18nCatalog
 from UM.Version import Version
 
 from cura import ApplicationMetadata
+
 from cura.CuraApplication import CuraApplication
 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
@@ -32,6 +32,13 @@ if TYPE_CHECKING:
 
 i18n_catalog = i18nCatalog("cura")
 
+DEFAULT_MARKETPLACE_ROOT = "https://marketplace.ultimaker.com"  # type: str
+
+try:
+    from cura.CuraVersion import CuraMarketplaceRoot
+except ImportError:
+    CuraMarketplaceRoot = DEFAULT_MARKETPLACE_ROOT
+
 # todo Remove license and download dialog, use SyncOrchestrator instead
 
 ##  Provides a marketplace for users to download plugins an materials
@@ -44,7 +51,6 @@ 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 +153,14 @@ 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 +379,6 @@ class Toolbox(QObject, Extension):
     def onLicenseAccepted(self):
         self.closeLicenseDialog.emit()
         package_id = self.install(self.getLicenseDialogPluginFileLocation())
-        self.subscribe(package_id)
 
 
     @pyqtSlot()
@@ -670,14 +672,16 @@ 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 +703,14 @@ 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:
@@ -770,6 +774,13 @@ class Toolbox(QObject, Extension):
     def materialsGenericModel(self) -> PackagesModel:
         return self._materials_generic_model
 
+    @pyqtSlot(str, result = str)
+    def getWebMarketplaceUrl(self, page: str) -> str:
+        root = CuraMarketplaceRoot
+        if root == "":
+            root = DEFAULT_MARKETPLACE_ROOT
+        return root + "/app/cura/" + page
+
     # Filter Models:
     # --------------------------------------------------------------------------
     @pyqtSlot(str, str, str)

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)

plugins/TrimeshReader/TrimeshReader.py

@@ -108,7 +108,7 @@ class TrimeshReader(MeshReader):
             mesh.merge_vertices()
             mesh.remove_unreferenced_vertices()
             mesh.fix_normals()
-            mesh_data = self._toMeshData(mesh)
+            mesh_data = self._toMeshData(mesh, file_name)
 
             file_base_name = os.path.basename(file_name)
             new_node = CuraSceneNode()
@@ -133,9 +133,10 @@ class TrimeshReader(MeshReader):
     ##  Converts a Trimesh to Uranium's MeshData.
     #   \param tri_node A Trimesh containing the contents of a file that was
     #   just read.
+    #   \param file_name The full original filename used to watch for changes
     #   \return Mesh data from the Trimesh in a way that Uranium can understand
     #   it.
-    def _toMeshData(self, tri_node: trimesh.base.Trimesh) -> MeshData:
+    def _toMeshData(self, tri_node: trimesh.base.Trimesh, file_name: str = "") -> MeshData:
         tri_faces = tri_node.faces
         tri_vertices = tri_node.vertices
 
@@ -157,5 +158,5 @@ class TrimeshReader(MeshReader):
         indices = numpy.asarray(indices, dtype = numpy.int32)
         normals = calculateNormalsFromIndexedVertices(vertices, indices, face_count)
 
-        mesh_data = MeshData(vertices = vertices, indices = indices, normals = normals)
+        mesh_data = MeshData(vertices = vertices, indices = indices, normals = normals, file_name = file_name)
         return mesh_data

plugins/TrimeshReader/plugin.json

@@ -3,5 +3,5 @@
     "author": "Ultimaker B.V.",
     "version": "1.0.0",
     "description": "Provides support for reading model files.",
-    "api": "7.0.0"
+    "api": "7.1.0"
 }