コード例 #1
0
    def _sendPrintJob(self, mesh_format: MeshFormatHandler, nodes: List[SceneNode]):
        Logger.log("i", "Sending print job to printer.")
        if self._sending_gcode:
            self._error_message = Message(
                i18n_catalog.i18nc("@info:status",
                                   "Sending new jobs (temporarily) blocked, still sending the previous print job."))
            self._error_message.show()
            yield #Wait on the user to select a target printer.
            yield #Wait for the write job to be finished.
            yield False #Return whether this was a success or not.
            yield #Prevent StopIteration.

        self._sending_gcode = True

        # Potentially wait on the user to select a target printer.
        target_printer = yield  # type: Optional[str]

        # Using buffering greatly reduces the write time for many lines of gcode

        stream = mesh_format.createStream()

        job = WriteFileJob(mesh_format.writer, stream, nodes, mesh_format.file_mode)

        self._write_job_progress_message = Message(i18n_catalog.i18nc("@info:status", "Sending data to printer"),
                                                   lifetime = 0, dismissable = False, progress = -1,
                                                   title = i18n_catalog.i18nc("@info:title", "Sending Data"),
                                                   use_inactivity_timer = False)
        self._write_job_progress_message.show()

        if mesh_format.preferred_format is not None:
            self._dummy_lambdas = (target_printer, mesh_format.preferred_format, stream)
            job.finished.connect(self._sendPrintJobWaitOnWriteJobFinished)
            job.start()
            yield True  # Return that we had success!
            yield  # To prevent having to catch the StopIteration exception.
コード例 #2
0
ファイル: ClusterUM3OutputDevice.py プロジェクト: CPS-3/Cura
    def _sendPrintJob(self, writer: FileWriter, preferred_format: Dict, nodes: List[SceneNode]):
        Logger.log("i", "Sending print job to printer.")
        if self._sending_gcode:
            self._error_message = Message(
                i18n_catalog.i18nc("@info:status",
                                   "Sending new jobs (temporarily) blocked, still sending the previous print job."))
            self._error_message.show()
            yield #Wait on the user to select a target printer.
            yield #Wait for the write job to be finished.
            yield False #Return whether this was a success or not.
            yield #Prevent StopIteration.

        self._sending_gcode = True

        target_printer = yield #Potentially wait on the user to select a target printer.

        # Using buffering greatly reduces the write time for many lines of gcode
        if preferred_format["mode"] == FileWriter.OutputMode.TextMode:
            stream = io.StringIO()
        else: #Binary mode.
            stream = io.BytesIO()

        job = WriteFileJob(writer, stream, nodes, preferred_format["mode"])

        self._write_job_progress_message = Message(i18n_catalog.i18nc("@info:status", "Sending data to printer"), lifetime = 0, dismissable = False, progress = -1,
                                                   title = i18n_catalog.i18nc("@info:title", "Sending Data"), use_inactivity_timer = False)
        self._write_job_progress_message.show()

        self._dummy_lambdas = (target_printer, preferred_format, stream)
        job.finished.connect(self._sendPrintJobWaitOnWriteJobFinished)

        job.start()

        yield True #Return that we had success!
        yield #To prevent having to catch the StopIteration exception.
コード例 #3
0
    def _sendPrintJob(self, mesh_format: MeshFormatHandler, nodes: List[SceneNode]):
        Logger.log("i", "Sending print job to printer.")
        if self._sending_gcode:
            self._error_message = Message(
                i18n_catalog.i18nc("@info:status",
                                   "Sending new jobs (temporarily) blocked, still sending the previous print job."))
            self._error_message.show()
            yield #Wait on the user to select a target printer.
            yield #Wait for the write job to be finished.
            yield False #Return whether this was a success or not.
            yield #Prevent StopIteration.

        self._sending_gcode = True

        # Potentially wait on the user to select a target printer.
        target_printer = yield  # type: Optional[str]

        # Using buffering greatly reduces the write time for many lines of gcode

        stream = mesh_format.createStream()

        job = WriteFileJob(mesh_format.writer, stream, nodes, mesh_format.file_mode)

        self._write_job_progress_message = Message(i18n_catalog.i18nc("@info:status", "Sending data to printer"),
                                                   lifetime = 0, dismissable = False, progress = -1,
                                                   title = i18n_catalog.i18nc("@info:title", "Sending Data"),
                                                   use_inactivity_timer = False)
        self._write_job_progress_message.show()

        if mesh_format.preferred_format is not None:
            self._dummy_lambdas = (target_printer, mesh_format.preferred_format, stream)
            job.finished.connect(self._sendPrintJobWaitOnWriteJobFinished)
            job.start()
            yield True  # Return that we had success!
            yield  # To prevent having to catch the StopIteration exception.
コード例 #4
0
    def _sendPrintJob(self, writer: FileWriter, preferred_format: Dict, nodes: List[SceneNode]):
        Logger.log("i", "Sending print job to printer.")
        if self._sending_gcode:
            self._error_message = Message(
                i18n_catalog.i18nc("@info:status",
                                   "Sending new jobs (temporarily) blocked, still sending the previous print job."))
            self._error_message.show()
            yield #Wait on the user to select a target printer.
            yield #Wait for the write job to be finished.
            yield False #Return whether this was a success or not.
            yield #Prevent StopIteration.

        self._sending_gcode = True

        target_printer = yield #Potentially wait on the user to select a target printer.

        # Using buffering greatly reduces the write time for many lines of gcode

        stream = io.BytesIO() # type: Union[io.BytesIO, io.StringIO]# Binary mode.
        if preferred_format["mode"] == FileWriter.OutputMode.TextMode:
            stream = io.StringIO()

        job = WriteFileJob(writer, stream, nodes, preferred_format["mode"])

        self._write_job_progress_message = Message(i18n_catalog.i18nc("@info:status", "Sending data to printer"), lifetime = 0, dismissable = False, progress = -1,
                                                   title = i18n_catalog.i18nc("@info:title", "Sending Data"), use_inactivity_timer = False)
        self._write_job_progress_message.show()

        self._dummy_lambdas = (target_printer, preferred_format, stream)
        job.finished.connect(self._sendPrintJobWaitOnWriteJobFinished)

        job.start()

        yield True #Return that we had success!
        yield #To prevent having to catch the StopIteration exception.
コード例 #5
0
    def _sendPrintJob(self, writer: FileWriter, preferred_format: Dict, nodes: List[SceneNode]):
        Logger.log("i", "Sending print job to printer.")
        if self._sending_gcode:
            self._error_message = Message(
                i18n_catalog.i18nc("@info:status",
                                   "Sending new jobs (temporarily) blocked, still sending the previous print job."))
            self._error_message.show()
            yield #Wait on the user to select a target printer.
            yield #Wait for the write job to be finished.
            yield False #Return whether this was a success or not.
            yield #Prevent StopIteration.

        self._sending_gcode = True

        target_printer = yield #Potentially wait on the user to select a target printer.

        # Using buffering greatly reduces the write time for many lines of gcode
        if preferred_format["mode"] == FileWriter.OutputMode.TextMode:
            stream = io.StringIO()
        else: #Binary mode.
            stream = io.BytesIO()

        job = WriteFileJob(writer, stream, nodes, preferred_format["mode"])

        self._progress_message = Message(i18n_catalog.i18nc("@info:status", "Sending data to printer"), lifetime = 0, dismissable = False, progress = -1,
                                         title = i18n_catalog.i18nc("@info:title", "Sending Data"))
        self._progress_message.addAction("Abort", i18n_catalog.i18nc("@action:button", "Cancel"), icon = None, description = "")
        self._progress_message.actionTriggered.connect(self._progressMessageActionTriggered)
        self._progress_message.show()

        job.start()

        parts = []

        # If a specific printer was selected, it should be printed with that machine.
        if target_printer:
            target_printer = self._printer_uuid_to_unique_name_mapping[target_printer]
            parts.append(self._createFormPart("name=require_printer_name", bytes(target_printer, "utf-8"), "text/plain"))

        # Add user name to the print_job
        parts.append(self._createFormPart("name=owner", bytes(self._getUserName(), "utf-8"), "text/plain"))

        file_name = Application.getInstance().getPrintInformation().jobName + "." + preferred_format["extension"]

        while not job.isFinished():
            sleep(0.1)
        output = stream.getvalue() #Either str or bytes depending on the output mode.
        if isinstance(stream, io.StringIO):
            output = output.encode("utf-8")

        parts.append(self._createFormPart("name=\"file\"; filename=\"%s\"" % file_name, output))

        self._latest_reply_handler = self.postFormWithParts("print_jobs/", parts, onFinished=self._onPostPrintJobFinished, onProgress=self._onUploadPrintJobProgress)

        yield True #Return that we had success!
        yield #To prevent having to catch the StopIteration exception.
コード例 #6
0
    def requestWrite(self,
                     nodes,
                     file_name=None,
                     limit_mimetypes=False,
                     file_handler=None,
                     filter_by_machine=False,
                     **kwargs) -> None:
        if self._progress.visible or self._need_auth.visible or self._writing:
            return

        self.writeStarted.emit(self)
        self._writing = True

        self._gcode_stream = StringIO()
        job = WriteFileJob(SM2GCodeWriter(), self._gcode_stream, nodes,
                           SM2GCodeWriter.OutputMode.TextMode)
        job.finished.connect(self._onWriteJobFinished)

        message = Message(title="Preparing for upload",
                          progress=-1,
                          lifetime=0,
                          dismissable=False,
                          use_inactivity_timer=False)
        message.show()

        job.setMessage(message)
        job.start()
コード例 #7
0
    def requestWrite(self,
                     nodes,
                     file_name=None,
                     limit_mimetypes=None,
                     file_handler=None,
                     **kwargs):
        #The file handler is an object that provides serialisation of file types.
        #There's several types of files. If not provided, it is assumed that we want to save meshes.
        if not file_handler:
            file_handler = Application.getInstance().getMeshFileHandler()
        file_types = file_handler.getSupportedFileTypesWrite()
        if not file_types:
            Logger.log("e", "No supported file types for writing.")
        file_type = file_types[
            0]  #For this example, we'll just pick an arbitrary file type. Normally you may want to choose the device's preferred type or let the user choose.
        file_writer = file_handler.getWriterByMimeType(
            file_type["mime_type"]
        )  #This is the object that will serialize our file for us.
        if not file_writer:
            raise WriteRequestFailedError(
                "Can't find any file writer for the file type {file_type}.".
                format(file_type=file_type))

        #For this example, we will write to a file in a fixed location.
        output_file_name = os.path.expanduser("~/output.txt")
        file_stream = open(output_file_name, "w", encoding="utf-8")
        job = WriteFileJob(
            file_writer, file_stream, nodes, file_type["mode"]
        )  #We'll create a WriteFileJob, which gets run asynchronously in the background.

        job.progress.connect(
            self._onProgress
        )  #You can listen to the event for when it's done and when it's progressing.
        job.finished.connect(
            self._onFinished)  #This way we can properly close the file stream.

        job.start()
コード例 #8
0
    def requestWrite(self,
                     nodes,
                     file_name=None,
                     limit_mimetypes=None,
                     file_handler=None,
                     **kwargs):
        application = cast(CuraApplication, Application.getInstance())
        machine_manager = application.getMachineManager()
        global_stack = machine_manager.activeMachine

        filename_format = Application.getInstance().getPreferences().getValue(
            "gcode_filename_format/filename_format")

        Logger.log("d", "filename_format = %s", filename_format)

        if filename_format is "":
            filename_format = DEFAULT_FILENAME_FORMAT

        if self._writing:
            raise OutputDeviceError.DeviceBusyError()

        self.getModifiedPrintSettings(application, global_stack)

        dialog = QFileDialog()

        dialog.setWindowTitle(catalog.i18nc("@title:window", "Save to File"))
        dialog.setFileMode(QFileDialog.AnyFile)
        dialog.setAcceptMode(QFileDialog.AcceptSave)

        dialog.setOption(QFileDialog.DontConfirmOverwrite)

        if sys.platform == "linux" and "KDE_FULL_SESSION" in os.environ:
            dialog.setOption(QFileDialog.DontUseNativeDialog)

        filters = []
        mime_types = []
        selected_filter = None

        if "preferred_mimetypes" in kwargs and kwargs[
                "preferred_mimetypes"] is not None:
            preferred_mimetypes = kwargs["preferred_mimetypes"]
        else:
            preferred_mimetypes = Application.getInstance().getPreferences(
            ).getValue("gcode_filename_format/last_used_type")
        preferred_mimetype_list = preferred_mimetypes.split(";")

        if not file_handler:
            file_handler = Application.getInstance().getMeshFileHandler()

        file_types = file_handler.getSupportedFileTypesWrite()

        file_types.sort(key=lambda k: k["description"])
        if limit_mimetypes:
            file_types = list(
                filter(lambda i: i["mime_type"] in limit_mimetypes,
                       file_types))

        file_types = [ft for ft in file_types if not ft["hide_in_file_dialog"]]

        if len(file_types) == 0:
            Logger.log("e", "There are no file types available to write with!")
            raise OutputDeviceError.WriteRequestFailedError(
                catalog.i18nc(
                    "@info:warning",
                    "There are no file types available to write with!"))

        preferred_mimetype = None
        for mime_type in preferred_mimetype_list:
            if any(ft["mime_type"] == mime_type for ft in file_types):
                preferred_mimetype = mime_type
                break

        for item in file_types:
            type_filter = "{0} (*.{1})".format(item["description"],
                                               item["extension"])
            filters.append(type_filter)
            mime_types.append(item["mime_type"])
            if preferred_mimetype == item["mime_type"]:
                selected_filter = type_filter
                file_name = self.parseFilenameFormat(filename_format,
                                                     file_name, application,
                                                     global_stack)
                #file_name += self.filenameTackOn(print_setting)
                if file_name:
                    file_name += "." + item["extension"]

        stored_directory = Application.getInstance().getPreferences().getValue(
            "gcode_filename_format/dialog_save_path")
        dialog.setDirectory(stored_directory)

        if file_name is not None:
            dialog.selectFile(file_name)

        dialog.setNameFilters(filters)
        if selected_filter is not None:
            dialog.selectNameFilter(selected_filter)

        if not dialog.exec_():
            raise OutputDeviceError.UserCanceledError()

        save_path = dialog.directory().absolutePath()
        Application.getInstance().getPreferences().setValue(
            "gcode_filename_format/dialog_save_path", save_path)

        selected_type = file_types[filters.index(dialog.selectedNameFilter())]
        Application.getInstance().getPreferences().setValue(
            "gcode_filename_format/last_used_type", selected_type["mime_type"])

        file_name = dialog.selectedFiles()[0]
        Logger.log("d", "Writing to [%s]..." % file_name)

        if os.path.exists(file_name):
            result = QMessageBox.question(
                None, catalog.i18nc("@title:window", "File Already Exists"),
                catalog.i18nc(
                    "@label Don't translate the XML tag <filename>!",
                    "The file <filename>{0}</filename> already exists. Are you sure you want to overwrite it?"
                ).format(file_name))
            if result == QMessageBox.No:
                raise OutputDeviceError.UserCanceledError()

        self.writeStarted.emit(self)

        if file_handler:
            file_writer = file_handler.getWriter(selected_type["id"])
        else:
            file_writer = Application.getInstance().getMeshFileHandler(
            ).getWriter(selected_type["id"])

        try:
            mode = selected_type["mode"]
            if mode == MeshWriter.OutputMode.TextMode:
                Logger.log("d", "Writing to Local File %s in text mode",
                           file_name)
                stream = open(file_name, "wt", encoding="utf-8")
            elif mode == MeshWriter.OutputMode.BinaryMode:
                Logger.log("d", "Writing to Local File %s in binary mode",
                           file_name)
                stream = open(file_name, "wb")
            else:
                Logger.log("e", "Unrecognised OutputMode.")
                return None

            job = WriteFileJob(file_writer, stream, nodes, mode)
            job.setFileName(file_name)
            job.setAddToRecentFiles(True)
            job.progress.connect(self._onJobProgress)
            job.finished.connect(self._onWriteJobFinished)

            message = Message(
                catalog.i18nc(
                    "@info:progress Don't translate the XML tags <filename>!",
                    "Saving to <filename>{0}</filename>").format(file_name), 0,
                False, -1, catalog.i18nc("@info:title", "Saving"))
            message.show()

            job.setMessage(message)
            self._writing = True
            job.start()
        except PermissionError as e:
            Logger.log("e", "Permission denied when trying to write to %s: %s",
                       file_name, str(e))
            raise OutputDeviceError.PermissionDeniedError(
                catalog.i18nc(
                    "@info:status Don't translate the XML tags <filename>!",
                    "Permission denied when trying to save <filename>{0}</filename>"
                ).format(file_name)) from e
        except OSError as e:
            Logger.log("e",
                       "Operating system would not let us write to %s: %s",
                       file_name, str(e))
            raise OutputDeviceError.WriteRequestFailedError(
                catalog.i18nc(
                    "@info:status Don't translate the XML tags <filename> or <message>!",
                    "Could not save to <filename>{0}</filename>: <message>{1}</message>"
                ).format()) from e
コード例 #9
0
    def requestWrite(self, nodes, file_name = None, limit_mimetypes = None, file_handler = None, **kwargs):
        """Request the specified nodes to be written to a file.

        :param nodes: A collection of scene nodes that should be written to the
        file.
        :param file_name: A suggestion for the file name to write
        to. Can be freely ignored if providing a file name makes no sense.
        :param limit_mimetypes: Should we limit the available MIME types to the
        MIME types available to the currently active machine?
        :param kwargs: Keyword arguments.
        """

        if self._writing:
            raise OutputDeviceError.DeviceBusyError()

        # Set up and display file dialog
        dialog = QFileDialog()

        dialog.setWindowTitle(catalog.i18nc("@title:window", "Save to Disk"))
        dialog.setFileMode(QFileDialog.FileMode.AnyFile)
        dialog.setAcceptMode(QFileDialog.AcceptMode.AcceptSave)

        # Ensure platform never ask for overwrite confirmation since we do this ourselves
        dialog.setOption(QFileDialog.Option.DontConfirmOverwrite)

        filters = []
        mime_types = []
        selected_filter = None

        if "preferred_mimetypes" in kwargs and kwargs["preferred_mimetypes"] is not None:
            preferred_mimetypes = kwargs["preferred_mimetypes"]
        else:
            preferred_mimetypes = Application.getInstance().getPreferences().getValue("local_file/last_used_type")
        preferred_mimetype_list = preferred_mimetypes.split(";")

        if not file_handler:
            file_handler = Application.getInstance().getMeshFileHandler()

        file_types = file_handler.getSupportedFileTypesWrite()

        file_types.sort(key = lambda k: k["description"])
        if limit_mimetypes:
            file_types = list(filter(lambda i: i["mime_type"] in limit_mimetypes, file_types))

        file_types = [ft for ft in file_types if not ft["hide_in_file_dialog"]]

        if len(file_types) == 0:
            Logger.log("e", "There are no file types available to write with!")
            raise OutputDeviceError.WriteRequestFailedError(catalog.i18nc("@info:warning", "There are no file types available to write with!"))

        # Find the first available preferred mime type
        preferred_mimetype = None
        for mime_type in preferred_mimetype_list:
            if any(ft["mime_type"] == mime_type for ft in file_types):
                preferred_mimetype = mime_type
                break

        extension_added = False
        for item in file_types:
            type_filter = "{0} (*.{1})".format(item["description"], item["extension"])
            filters.append(type_filter)
            mime_types.append(item["mime_type"])
            if preferred_mimetype == item["mime_type"]:
                selected_filter = type_filter
                if file_name and not extension_added:
                    extension_added = True
                    file_name += "." + item["extension"]

        # CURA-6411: This code needs to be before dialog.selectFile and the filters, because otherwise in macOS (for some reason) the setDirectory call doesn't work.
        stored_directory = Application.getInstance().getPreferences().getValue("local_file/dialog_save_path")

        if stored_directory and stored_directory != "" and os.path.exists(stored_directory):
            dialog.setDirectory(stored_directory)

        # Add the file name before adding the extension to the dialog
        if file_name is not None:
            dialog.selectFile(file_name)

        dialog.setNameFilters(filters)
        if selected_filter is not None:
            dialog.selectNameFilter(selected_filter)

        if not dialog.exec():
            raise OutputDeviceError.UserCanceledError()

        save_path = dialog.directory().absolutePath()
        Application.getInstance().getPreferences().setValue("local_file/dialog_save_path", save_path)

        selected_type = file_types[filters.index(dialog.selectedNameFilter())]
        Application.getInstance().getPreferences().setValue("local_file/last_used_type", selected_type["mime_type"])

        # Get file name from file dialog
        file_name = dialog.selectedFiles()[0]
        Logger.log("d", "Writing to [%s]..." % file_name)

        if os.path.exists(file_name):
            result = QMessageBox.question(None, catalog.i18nc("@title:window", "File Already Exists"), catalog.i18nc("@label Don't translate the XML tag <filename>!", "The file <filename>{0}</filename> already exists. Are you sure you want to overwrite it?").format(file_name))
            if result == QMessageBox.StandardButton.No:
                raise OutputDeviceError.UserCanceledError()

        # Actually writing file
        if file_handler:
            file_writer = file_handler.getWriter(selected_type["id"])
        else:
            file_writer = Application.getInstance().getMeshFileHandler().getWriter(selected_type["id"])

        if isinstance(file_writer, WorkspaceWriter):
            self.setLastOutputName(file_name)
        self.writeStarted.emit(self)

        try:
            mode = selected_type["mode"]
            if mode == MeshWriter.OutputMode.TextMode:
                Logger.log("d", "Writing to Local File %s in text mode", file_name)
                stream = open(file_name, "wt", encoding = "utf-8")
            elif mode == MeshWriter.OutputMode.BinaryMode:
                Logger.log("d", "Writing to Local File %s in binary mode", file_name)
                stream = open(file_name, "wb")
            else:
                Logger.log("e", "Unrecognised OutputMode.")
                return None

            job = WriteFileJob(file_writer, stream, nodes, mode)
            job.setFileName(file_name)
            job.setAddToRecentFiles(True)  # The file will be added into the "recent files" list upon success
            job.progress.connect(self._onJobProgress)
            job.finished.connect(self._onWriteJobFinished)

            message = Message(catalog.i18nc("@info:progress Don't translate the XML tags <filename>!",
                                            "Saving to <filename>{0}</filename>").format(file_name),
                              0, False, -1 , catalog.i18nc("@info:title", "Saving"))
            message.show()

            job.setMessage(message)
            self._writing = True
            job.start()
        except PermissionError as e:
            Logger.log("e", "Permission denied when trying to write to %s: %s", file_name, str(e))
            raise OutputDeviceError.PermissionDeniedError(catalog.i18nc("@info:status Don't translate the XML tags <filename>!", "Permission denied when trying to save <filename>{0}</filename>").format(file_name)) from e
        except OSError as e:
            Logger.log("e", "Operating system would not let us write to %s: %s", file_name, str(e))
            raise OutputDeviceError.WriteRequestFailedError(catalog.i18nc("@info:status Don't translate the XML tags <filename> or <message>!", "Could not save to <filename>{0}</filename>: <message>{1}</message>").format(file_name, str(e))) from e
コード例 #10
0
    def requestWrite(self,
                     nodes,
                     file_name=None,
                     limit_mimetypes=None,
                     file_handler=None):
        if self._writing:
            raise OutputDeviceError.DeviceBusyError()

        dialog = QFileDialog()

        dialog.setWindowTitle(catalog.i18nc("@title:window", "Save to File"))
        dialog.setFileMode(QFileDialog.AnyFile)
        dialog.setAcceptMode(QFileDialog.AcceptSave)

        # Ensure platform never ask for overwrite confirmation since we do this ourselves
        dialog.setOption(QFileDialog.DontConfirmOverwrite)

        if sys.platform == "linux" and "KDE_FULL_SESSION" in os.environ:
            dialog.setOption(QFileDialog.DontUseNativeDialog)

        filters = []
        mime_types = []
        selected_filter = None
        last_used_type = Preferences.getInstance().getValue(
            "local_file/last_used_type")

        if not file_handler:
            file_handler = Application.getInstance().getMeshFileHandler()

        file_types = file_handler.getSupportedFileTypesWrite()

        file_types.sort(key=lambda k: k["description"])
        if limit_mimetypes:
            file_types = list(
                filter(lambda i: i["mime_type"] in limit_mimetypes,
                       file_types))

        if len(file_types) == 0:
            Logger.log("e", "There are no file types available to write with!")
            raise OutputDeviceError.WriteRequestFailedError()

        for item in file_types:
            type_filter = "{0} (*.{1})".format(item["description"],
                                               item["extension"])
            filters.append(type_filter)
            mime_types.append(item["mime_type"])
            if last_used_type == item["mime_type"]:
                selected_filter = type_filter
                if file_name:
                    file_name += "." + item["extension"]

        dialog.setNameFilters(filters)
        if selected_filter is not None:
            dialog.selectNameFilter(selected_filter)

        if file_name is not None:
            dialog.selectFile(file_name)

        stored_directory = Preferences.getInstance().getValue(
            "local_file/dialog_save_path")
        dialog.setDirectory(stored_directory)

        if not dialog.exec_():
            raise OutputDeviceError.UserCanceledError()

        save_path = dialog.directory().absolutePath()
        Preferences.getInstance().setValue("local_file/dialog_save_path",
                                           save_path)

        selected_type = file_types[filters.index(dialog.selectedNameFilter())]
        Preferences.getInstance().setValue("local_file/last_used_type",
                                           selected_type["mime_type"])

        file_name = dialog.selectedFiles()[0]

        if os.path.exists(file_name):
            result = QMessageBox.question(
                None, catalog.i18nc("@title:window", "File Already Exists"),
                catalog.i18nc(
                    "@label",
                    "The file <filename>{0}</filename> already exists. Are you sure you want to overwrite it?"
                ).format(file_name))
            if result == QMessageBox.No:
                raise OutputDeviceError.UserCanceledError()

        self.writeStarted.emit(self)

        if file_handler:
            file_writer = file_handler.getWriter(selected_type["id"])
        else:
            file_writer = Application.getInstance().getMeshFileHandler(
            ).getWriter(selected_type["id"])

        try:
            mode = selected_type["mode"]
            if mode == MeshWriter.OutputMode.TextMode:
                Logger.log("d", "Writing to Local File %s in text mode",
                           file_name)
                stream = open(file_name, "wt", encoding="utf-8")
            elif mode == MeshWriter.OutputMode.BinaryMode:
                Logger.log("d", "Writing to Local File %s in binary mode",
                           file_name)
                stream = open(file_name, "wb")

            job = WriteFileJob(file_writer, stream, nodes, mode)
            job.setFileName(file_name)
            job.progress.connect(self._onJobProgress)
            job.finished.connect(self._onWriteJobFinished)

            message = Message(
                catalog.i18nc(
                    "@info:progress",
                    "Saving to <filename>{0}</filename>").format(file_name), 0,
                False, -1)
            message.show()

            job._message = message
            self._writing = True
            job.start()
        except PermissionError as e:
            Logger.log("e", "Permission denied when trying to write to %s: %s",
                       file_name, str(e))
            raise OutputDeviceError.PermissionDeniedError(
                catalog.i18nc(
                    "@info:status",
                    "Permission denied when trying to save <filename>{0}</filename>"
                ).format(file_name)) from e
        except OSError as e:
            Logger.log("e",
                       "Operating system would not let us write to %s: %s",
                       file_name, str(e))
            raise OutputDeviceError.WriteRequestFailedError(
                catalog.i18nc(
                    "@info:status",
                    "Could not save to <filename>{0}</filename>: <message>{1}</message>"
                ).format()) from e
コード例 #11
0
    def requestWrite(self,
                     nodes,
                     file_name=None,
                     filter_by_machine=False,
                     file_handler=None,
                     **kwargs):
        filter_by_machine = True  # This plugin is intended to be used by machine (regardless of what it was told to do)
        if self._writing:
            raise OutputDeviceError.DeviceBusyError()

        # Formats supported by this application (File types that we can actually write)
        if file_handler:
            file_formats = file_handler.getSupportedFileTypesWrite()
        else:
            file_formats = Application.getInstance().getMeshFileHandler(
            ).getSupportedFileTypesWrite()

        if filter_by_machine:
            container = Application.getInstance().getGlobalContainerStack(
            ).findContainer({"file_formats": "*"})
            # Create a list from supported file formats string
            machine_file_formats = [
                file_type.strip() for file_type in container.getMetaDataEntry(
                    "file_formats").split(";")
            ]
            # Take the intersection between file_formats and machine_file_formats.
            format_by_mimetype = {
                format["mime_type"]: format
                for format in file_formats
            }
            file_formats = [
                format_by_mimetype[mimetype]
                for mimetype in machine_file_formats
            ]  #Keep them ordered according to the preference in machine_file_formats.

        if len(file_formats) == 0:
            Logger.log("e",
                       "There are no file formats available to write with!")
            raise OutputDeviceError.WriteRequestFailedError(
                catalog.i18nc(
                    "@info:status",
                    "There are no file formats available to write with!"))
        preferred_format = file_formats[0]

        # Just take the first file format available.
        if file_handler is not None:
            writer = file_handler.getWriterByMimeType(
                preferred_format["mime_type"])
        else:
            writer = Application.getInstance().getMeshFileHandler(
            ).getWriterByMimeType(preferred_format["mime_type"])

        extension = preferred_format["extension"]

        if file_name is None:
            file_name = self._automaticFileName(nodes)

        if extension:  # Not empty string.
            extension = "." + extension
        file_name = os.path.join(self.getId(),
                                 os.path.splitext(file_name)[0] + extension)

        try:
            Logger.log("d", "Writing to %s", file_name)
            # Using buffering greatly reduces the write time for many lines of gcode
            if preferred_format["mode"] == FileWriter.OutputMode.TextMode:
                self._stream = open(file_name,
                                    "wt",
                                    buffering=1,
                                    encoding="utf-8")
            else:  #Binary mode.
                self._stream = open(file_name, "wb", buffering=1)
            job = WriteFileJob(writer, self._stream, nodes,
                               preferred_format["mode"])
            job.setFileName(file_name)
            job.progress.connect(self._onProgress)
            job.finished.connect(self._onFinished)
            message = Message(
                catalog.i18nc(
                    "@info:progress Don't translate the XML tags <filename>!",
                    "Saving to Removable Drive <filename>{0}</filename>").
                format(self.getName()), 0, False, -1,
                catalog.i18nc("@info:title", "Saving"))
            message.show()
            self.writeStarted.emit(self)
            job.setMessage(message)
            self._writing = True
            job.start()
        except PermissionError as e:
            Logger.log("e", "Permission denied when trying to write to %s: %s",
                       file_name, str(e))
            raise OutputDeviceError.PermissionDeniedError(
                catalog.i18nc(
                    "@info:status Don't translate the XML tags <filename> or <message>!",
                    "Could not save to <filename>{0}</filename>: <message>{1}</message>"
                ).format(file_name, str(e))) from e
        except OSError as e:
            Logger.log("e",
                       "Operating system would not let us write to %s: %s",
                       file_name, str(e))
            raise OutputDeviceError.WriteRequestFailedError(
                catalog.i18nc(
                    "@info:status Don't translate the XML tags <filename> or <message>!",
                    "Could not save to <filename>{0}</filename>: <message>{1}</message>"
                ).format(file_name, str(e))) from e
コード例 #12
0
    def requestWrite(self, nodes, file_name = None, filter_by_machine = False, file_handler = None, **kwargs):
        filter_by_machine = True # This plugin is indended to be used by machine (regardless of what it was told to do)
        if self._writing:
            raise OutputDeviceError.DeviceBusyError()

        # Formats supported by this application (File types that we can actually write)
        if file_handler:
            file_formats = file_handler.getSupportedFileTypesWrite()
        else:
            file_formats = Application.getInstance().getMeshFileHandler().getSupportedFileTypesWrite()

        if filter_by_machine:
            container = Application.getInstance().getGlobalContainerStack().findContainer({"file_formats": "*"})

            # Create a list from supported file formats string
            machine_file_formats = [file_type.strip() for file_type in container.getMetaDataEntry("file_formats").split(";")]

            # Take the intersection between file_formats and machine_file_formats.
            file_formats = list(filter(lambda file_format: file_format["mime_type"] in machine_file_formats, file_formats))

        if len(file_formats) == 0:
            Logger.log("e", "There are no file formats available to write with!")
            raise OutputDeviceError.WriteRequestFailedError(catalog.i18nc("There are no file formats available to write with!"))

        # Just take the first file format available.
        if file_handler is not None:
            writer = file_handler.getWriterByMimeType(file_formats[0]["mime_type"])
        else:
            writer = Application.getInstance().getMeshFileHandler().getWriterByMimeType(file_formats[0]["mime_type"])

        extension = file_formats[0]["extension"]

        if file_name is None:
            file_name = self._automaticFileName(nodes)

        if extension:  # Not empty string.
            extension = "." + extension
        file_name = os.path.join(self.getId(), os.path.splitext(file_name)[0] + extension)

        try:
            Logger.log("d", "Writing to %s", file_name)
            # Using buffering greatly reduces the write time for many lines of gcode
            self._stream = open(file_name, "wt", buffering = 1, encoding = "utf-8")
            job = WriteFileJob(writer, self._stream, nodes, MeshWriter.OutputMode.TextMode)
            job.setFileName(file_name)
            job.progress.connect(self._onProgress)
            job.finished.connect(self._onFinished)

            message = Message(catalog.i18nc("@info:progress Don't translate the XML tags <filename>!", "Saving to Removable Drive <filename>{0}</filename>").format(self.getName()), 0, False, -1, catalog.i18nc("@info:title", "Saving"))
            message.show()

            self.writeStarted.emit(self)

            job.setMessage(message)
            self._writing = True
            job.start()
        except PermissionError as e:
            Logger.log("e", "Permission denied when trying to write to %s: %s", file_name, str(e))
            raise OutputDeviceError.PermissionDeniedError(catalog.i18nc("@info:status Don't translate the XML tags <filename> or <message>!", "Could not save to <filename>{0}</filename>: <message>{1}</message>").format(file_name, str(e))) from e
        except OSError as e:
            Logger.log("e", "Operating system would not let us write to %s: %s", file_name, str(e))
            raise OutputDeviceError.WriteRequestFailedError(catalog.i18nc("@info:status Don't translate the XML tags <filename> or <message>!", "Could not save to <filename>{0}</filename>: <message>{1}</message>").format(file_name, str(e))) from e
コード例 #13
0
    def requestWrite(self,
                     nodes,
                     file_name=None,
                     limit_mimetypes=None,
                     file_handler=None,
                     **kwargs):
        """Request the specified nodes to be written to a file.

        :param nodes: A collection of scene nodes that should be written to the
        file.
        :param file_name: A suggestion for the file name to write
        to. Can be freely ignored if providing a file name makes no sense.
        :param limit_mimetypes: Should we limit the available MIME types to the
        MIME types available to the currently active machine?
        :param kwargs: Keyword arguments.
        """

        if self._writing:
            raise OutputDeviceError.DeviceBusyError()

        # Set up and display file dialog
        dialog = QFileDialog()

        dialog.setWindowTitle(catalog.i18nc("@title:window", "Save to File"))
        dialog.setFileMode(QFileDialog.AnyFile)
        dialog.setAcceptMode(QFileDialog.AcceptSave)

        # Ensure platform never ask for overwrite confirmation since we do this ourselves
        dialog.setOption(QFileDialog.DontConfirmOverwrite)

        if sys.platform == "linux" and "KDE_FULL_SESSION" in os.environ:
            dialog.setOption(QFileDialog.DontUseNativeDialog)

        filters = []
        mime_types = []
        selected_filter = None

        if "preferred_mimetypes" in kwargs and kwargs[
                "preferred_mimetypes"] is not None:
            preferred_mimetypes = kwargs["preferred_mimetypes"]
        else:
            preferred_mimetypes = Application.getInstance().getPreferences(
            ).getValue("local_file/last_used_type")
        preferred_mimetype_list = preferred_mimetypes.split(";")

        if not file_handler:
            file_handler = Application.getInstance().getMeshFileHandler()

        file_types = file_handler.getSupportedFileTypesWrite()

        file_types.sort(key=lambda k: k["description"])
        if limit_mimetypes:
            file_types = list(
                filter(lambda i: i["mime_type"] in limit_mimetypes,
                       file_types))

        file_types = [ft for ft in file_types if not ft["hide_in_file_dialog"]]

        if len(file_types) == 0:
            Logger.log("e", "There are no file types available to write with!")
            raise OutputDeviceError.WriteRequestFailedError(
                catalog.i18nc(
                    "@info:warning",
                    "There are no file types available to write with!"))

        # Find the first available preferred mime type
        preferred_mimetype = None
        for mime_type in preferred_mimetype_list:
            if any(ft["mime_type"] == mime_type for ft in file_types):
                preferred_mimetype = mime_type
                break

        extension_added = False
        for item in file_types:
            type_filter = "{0} (*.{1})".format(item["description"],
                                               item["extension"])
            filters.append(type_filter)
            mime_types.append(item["mime_type"])
            if preferred_mimetype == item["mime_type"]:
                selected_filter = type_filter
                if file_name and not extension_added:
                    extension_added = True
                    file_name += "." + item["extension"]

        # CURA-6411: This code needs to be before dialog.selectFile and the filters, because otherwise in macOS (for some reason) the setDirectory call doesn't work.
        stored_directory = Application.getInstance().getPreferences().getValue(
            "local_file/dialog_save_path")
        dialog.setDirectory(stored_directory)

        # Add the file name before adding the extension to the dialog
        if file_name is not None:
            dialog.selectFile(file_name)

        dialog.setNameFilters(filters)
        if selected_filter is not None:
            dialog.selectNameFilter(selected_filter)

        if not dialog.exec_():
            raise OutputDeviceError.UserCanceledError()

        save_path = dialog.directory().absolutePath()
        Application.getInstance().getPreferences().setValue(
            "local_file/dialog_save_path", save_path)

        selected_type = file_types[filters.index(dialog.selectedNameFilter())]
        Application.getInstance().getPreferences().setValue(
            "local_file/last_used_type", selected_type["mime_type"])

        # Get file name from file dialog
        file_name = dialog.selectedFiles()[0]
        Logger.log("d", "Writing to [%s]..." % file_name)
        #file_name = file_name.replace('.gcode','.s3d')
        print(file_name)

        if os.path.exists(file_name):
            result = QMessageBox.question(
                None, catalog.i18nc("@title:window", "File Already Exists"),
                catalog.i18nc(
                    "@label Don't translate the XML tag <filename>!",
                    "The file <filename>{0}</filename> already exists. Are you sure you want to overwrite it?"
                ).format(file_name))
            if result == QMessageBox.No:
                raise OutputDeviceError.UserCanceledError()

        self.writeStarted.emit(self)

        # Actually writing file
        if file_handler:
            file_writer = file_handler.getWriter(selected_type["id"])
        else:
            file_writer = Application.getInstance().getMeshFileHandler(
            ).getWriter(selected_type["id"])

        try:
            mode = selected_type["mode"]
            if mode == MeshWriter.OutputMode.TextMode:
                Logger.log("d", "Writing to Local File %s in text mode",
                           file_name)
                stream = open(file_name, "wt", encoding="utf-8")
            elif mode == MeshWriter.OutputMode.BinaryMode:
                Logger.log("d", "Writing to Local File %s in binary mode",
                           file_name)
                stream = open(file_name, "wb")
            else:
                Logger.log("e", "Unrecognised OutputMode.")
                return None
            #print("HELLO WRITE FILE")
            #print(file_writer)
            #print(stream)
            #print(nodes)
            #print(mode)
            #print("HELLO WRITE FILE DONE")
            job = WriteFileJob(file_writer, stream, nodes, mode)
            job.setFileName(file_name)
            job.setAddToRecentFiles(
                True
            )  # The file will be added into the "recent files" list upon success
            job.progress.connect(self._onJobProgress)
            job.finished.connect(self._onWriteJobFinished)
            save_name = file_name.replace('.gcode', '.s3d')
            message = Message(
                catalog.i18nc(
                    "@info:progress Don't translate the XML tags <filename>!",
                    "Saving to <filename>{0}</filename>").format(save_name), 0,
                False, -1, catalog.i18nc("@info:title", "Saving"))
            message.show()

            job.setMessage(message)
            self._writing = True
            import base64
            from cryptography.hazmat.backends import default_backend
            from cryptography.hazmat.primitives import hashes
            from cryptography.hazmat.primitives.kdf.pbkdf2 import PBKDF2HMAC
            from cryptography.fernet import Fernet, InvalidToken
            key = b'fWn9BDrXryrtcxjXhaO2BR9Oc_bS_zk1k4b6aL_0rbI='
            input_file = file_name
            if '.gcode' in file_name:
                output_file = file_name.replace('.gcode', '.s3d')
            else:
                output_file = file_name + '.s3d'
            #with open(input_file, 'rb') as f:
            #    data = f.read()  # Read the bytes of the input file
#f.close()
#print(data)
            fernet = Fernet(key)
            #encrypted = fernet.encrypt(data)
            #print(len(encrypted))

            #with open(output_file, 'wb') as f:
            #    f.write(encrypted)  # Write the encrypted bytes to the output file

            job.start()
            with open(input_file, 'rb') as f:
                data = f.read()
            #print(data)
            encrypted = fernet.encrypt(data)
            with open(output_file, 'wb') as f:
                f.write(encrypted)
            #import os
            if os.path.exists(input_file):
                os.remove(input_file)
#            os.remove('/home/akshay/STLS/*')
            else:
                print("GCODE FILE MOVED OR TAMPERED WITH")

        except PermissionError as e:
            Logger.log("e", "Permission denied when trying to write to %s: %s",
                       file_name, str(e))
            raise OutputDeviceError.PermissionDeniedError(
                catalog.i18nc(
                    "@info:status Don't translate the XML tags <filename>!",
                    "Permission denied when trying to save <filename>{0}</filename>"
                ).format(file_name)) from e
        except OSError as e:
            Logger.log("e",
                       "Operating system would not let us write to %s: %s",
                       file_name, str(e))
            raise OutputDeviceError.WriteRequestFailedError(
                catalog.i18nc(
                    "@info:status Don't translate the XML tags <filename> or <message>!",
                    "Could not save to <filename>{0}</filename>: <message>{1}</message>"
                ).format(file_name, str(e))) from e
コード例 #14
0
    def requestWrite(self, nodes, file_name = None, limit_mimetypes = None, file_handler = None, **kwargs):
        if self._writing:
            raise OutputDeviceError.DeviceBusyError()

        # Set up and display file dialog
        dialog = QFileDialog()

        dialog.setWindowTitle(catalog.i18nc("@title:window", "Save to File"))
        dialog.setFileMode(QFileDialog.AnyFile)
        dialog.setAcceptMode(QFileDialog.AcceptSave)

        # Ensure platform never ask for overwrite confirmation since we do this ourselves
        dialog.setOption(QFileDialog.DontConfirmOverwrite)

        if sys.platform == "linux" and "KDE_FULL_SESSION" in os.environ:
            dialog.setOption(QFileDialog.DontUseNativeDialog)

        filters = []
        mime_types = []
        selected_filter = None

        if "preferred_mimetype" in kwargs and kwargs["preferred_mimetype"] is not None:
            preferred_mimetype = kwargs["preferred_mimetype"]
        else:
            preferred_mimetype = Preferences.getInstance().getValue("local_file/last_used_type")

        if not file_handler:
            file_handler = Application.getInstance().getMeshFileHandler()

        file_types = file_handler.getSupportedFileTypesWrite()

        file_types.sort(key = lambda k: k["description"])
        if limit_mimetypes:
            file_types = list(filter(lambda i: i["mime_type"] in limit_mimetypes, file_types))

        if len(file_types) == 0:
            Logger.log("e", "There are no file types available to write with!")
            raise OutputDeviceError.WriteRequestFailedError()

        for item in file_types:
            type_filter = "{0} (*.{1})".format(item["description"], item["extension"])
            filters.append(type_filter)
            mime_types.append(item["mime_type"])
            if preferred_mimetype == item["mime_type"]:
                selected_filter = type_filter
                if file_name:
                    file_name += "." + item["extension"]

        dialog.setNameFilters(filters)
        if selected_filter is not None:
            dialog.selectNameFilter(selected_filter)

        if file_name is not None:
            dialog.selectFile(file_name)

        stored_directory = Preferences.getInstance().getValue("local_file/dialog_save_path")
        dialog.setDirectory(stored_directory)

        if not dialog.exec_():
            raise OutputDeviceError.UserCanceledError()

        save_path = dialog.directory().absolutePath()
        Preferences.getInstance().setValue("local_file/dialog_save_path", save_path)

        selected_type = file_types[filters.index(dialog.selectedNameFilter())]
        Preferences.getInstance().setValue("local_file/last_used_type", selected_type["mime_type"])

        # Get file name from file dialog
        file_name = dialog.selectedFiles()[0]
        Logger.log("d", "Writing to [%s]..." % file_name)
        
        if os.path.exists(file_name):
            result = QMessageBox.question(None, catalog.i18nc("@title:window", "File Already Exists"), catalog.i18nc("@label", "The file <filename>{0}</filename> already exists. Are you sure you want to overwrite it?").format(file_name))
            if result == QMessageBox.No:
                raise OutputDeviceError.UserCanceledError()

        self.writeStarted.emit(self)

        # Actually writing file
        if file_handler:
            file_writer = file_handler.getWriter(selected_type["id"])
        else:
            file_writer = Application.getInstance().getMeshFileHandler().getWriter(selected_type["id"])

        try:
            mode = selected_type["mode"]
            if mode == MeshWriter.OutputMode.TextMode:
                Logger.log("d", "Writing to Local File %s in text mode", file_name)
                stream = open(file_name, "wt", encoding = "utf-8")
            elif mode == MeshWriter.OutputMode.BinaryMode:
                Logger.log("d", "Writing to Local File %s in binary mode", file_name)
                stream = open(file_name, "wb")
            else:
                Logger.log("e", "Unrecognised OutputMode.")
                return None

            job = WriteFileJob(file_writer, stream, nodes, mode)
            job.setFileName(file_name)
            job.progress.connect(self._onJobProgress)
            job.finished.connect(self._onWriteJobFinished)

            message = Message(catalog.i18nc("@info:progress", "Saving to <filename>{0}</filename>").format(file_name), 0, False, -1)
            message.show()

            job.setMessage(message)
            self._writing = True
            job.start()
        except PermissionError as e:
            Logger.log("e", "Permission denied when trying to write to %s: %s", file_name, str(e))
            raise OutputDeviceError.PermissionDeniedError(catalog.i18nc("@info:status", "Permission denied when trying to save <filename>{0}</filename>").format(file_name)) from e
        except OSError as e:
            Logger.log("e", "Operating system would not let us write to %s: %s", file_name, str(e))
            raise OutputDeviceError.WriteRequestFailedError(catalog.i18nc("@info:status", "Could not save to <filename>{0}</filename>: <message>{1}</message>").format()) from e
コード例 #15
0
    def requestWrite(self,
                     nodes,
                     file_name=None,
                     limit_mimetypes=None,
                     file_handler=None,
                     **kwargs):
        filter_by_machine = True  # This plugin is intended to be used by machine (regardless of what it was told to do)
        # Formats supported by this application (File types that we can actually write)
        if file_handler:
            file_formats = file_handler.getSupportedFileTypesWrite()
        else:
            file_formats = Application.getInstance().getMeshFileHandler(
            ).getSupportedFileTypesWrite()

        if filter_by_machine:
            container = Application.getInstance().getGlobalContainerStack(
            ).findContainer({"file_formats": "*"})

            # Create a list from supported file formats string
            machine_file_formats = [
                file_type.strip() for file_type in container.getMetaDataEntry(
                    "file_formats").split(";")
            ]

            # Take the intersection between file_formats and machine_file_formats.
            format_by_mimetype = {
                format["mime_type"]: format
                for format in file_formats
            }
            file_formats = [
                format_by_mimetype[mimetype]
                for mimetype in machine_file_formats
            ]  #Keep them ordered according to the preference in machine_file_formats.

        if len(file_formats) == 0:
            Logger.log(
                "e",
                "Plugin Adv3: There are no file formats available to write with!"
            )
            raise OutputDeviceError.WriteRequestFailedError(
                catalog.i18nc(
                    "@info:status",
                    "Plugin Adv3: There are no file formats available to write with!"
                ))
        preferred_format = file_formats[0]

        # Just take the first file format available.
        if file_handler is not None:
            file_handler = Application.getInstance().getMeshFileHandler()
        writer = file_handler.getWriterByMimeType(
            preferred_format["mime_type"])
        extension = preferred_format["extension"]

        if file_name is None:
            file_name = self._automaticFileName(nodes)
        self.fileNoExt = file_name

        if extension:  # Not empty string.
            #if extension == "gcode":
            #    extension = "g"
            extension = "." + extension
        file_name = os.path.splitext(file_name)[0] + extension

        #For this example, we will write to a file in a fixed location.
        self.output_file_name = os.path.expanduser("~/" + file_name)
        file_stream = open(self.output_file_name, "w", encoding="utf-8")
        job = WriteFileJob(
            writer, file_stream, nodes, preferred_format["mode"]
        )  #We'll create a WriteFileJob, which gets run asynchronously in the background.

        #job.progress.connect(self._onProgress) #You can listen to the event for when it's done and when it's progressing.
        job.finished.connect(
            self._onFinished)  #This way we can properly close the file stream.

        Logger.log("d", "Plugin Adv3: saveing file started...")
        job.start()
コード例 #16
0
    def requestWrite(self,
                     nodes,
                     file_name=None,
                     limit_mimetypes=None,
                     file_handler=None,
                     **kwargs):
        if self._writing:
            raise OutputDeviceError.DeviceBusyError()

        # Set up and display file dialog
        dialog = QFileDialog()

        dialog.setWindowTitle(self._translations.get("save_file_window"))
        dialog.setFileMode(QFileDialog.AnyFile)
        dialog.setAcceptMode(QFileDialog.AcceptSave)

        # Ensure platform never ask for overwrite confirmation since we do this ourselves
        dialog.setOption(QFileDialog.DontConfirmOverwrite)

        if sys.platform == "linux" and "KDE_FULL_SESSION" in os.environ:
            dialog.setOption(QFileDialog.DontUseNativeDialog)

        filters = []
        mime_types = []
        selected_filter = None

        if "preferred_mimetypes" in kwargs and kwargs[
                "preferred_mimetypes"] is not None:
            preferred_mimetypes = kwargs["preferred_mimetypes"]
        else:
            preferred_mimetypes = Application.getInstance().getPreferences(
            ).getValue("local_file/last_used_type")
        preferred_mimetype_list = preferred_mimetypes.split(";")

        if not file_handler:
            file_handler = Application.getInstance().getMeshFileHandler()

        file_types = file_handler.getSupportedFileTypesWrite()

        file_types.sort(key=lambda k: k["description"])
        if limit_mimetypes:
            file_types = list(
                filter(lambda i: i["mime_type"] in limit_mimetypes,
                       file_types))

        file_types = [ft for ft in file_types if not ft["hide_in_file_dialog"]]

        if len(file_types) == 0:
            Logger.log("e", "There are no file types available to write with!")
            raise OutputDeviceError.WriteRequestFailedError(
                self._translations.get("no_file_warning"))

        # Find the first available preferred mime type
        preferred_mimetype = None
        for mime_type in preferred_mimetype_list:
            if any(ft["mime_type"] == mime_type for ft in file_types):
                preferred_mimetype = mime_type
                break

        for item in file_types:
            type_filter = "{0} (*.{1})".format(item["description"],
                                               item["extension"])
            filters.append(type_filter)
            mime_types.append(item["mime_type"])
            if preferred_mimetype == item["mime_type"]:
                selected_filter = type_filter
                if file_name:
                    file_name += "." + item["extension"]

        # CURA-6411: This code needs to be before dialog.selectFile and the filters, because otherwise in macOS (for some reason) the setDirectory call doesn't work.
        stored_directory = Application.getInstance().getPreferences().getValue(
            "local_file/dialog_save_path")
        dialog.setDirectory(stored_directory)

        # Add the file name before adding the extension to the dialog
        if file_name is not None:
            dialog.selectFile(file_name)

        dialog.setNameFilters(filters)
        if selected_filter is not None:
            dialog.selectNameFilter(selected_filter)

        if not dialog.exec_():
            raise OutputDeviceError.UserCanceledError()

        save_path = dialog.directory().absolutePath()
        Application.getInstance().getPreferences().setValue(
            "local_file/dialog_save_path", save_path)

        selected_type = file_types[filters.index(dialog.selectedNameFilter())]
        Application.getInstance().getPreferences().setValue(
            "local_file/last_used_type", selected_type["mime_type"])

        # Get file name from file dialog
        file_name = dialog.selectedFiles()[0]
        Logger.log("d", "Writing to [%s]..." % file_name)

        if os.path.exists(file_name):
            result = QMessageBox.question(
                None,
                self._translations.get("file_exists_window").format(
                    file_name[file_name.rfind("/") + 1:]),
                self._translations.get("file_overwrite_label").format(
                    file_name[file_name.rfind("/") + 1:]))
            if result == QMessageBox.No:
                raise OutputDeviceError.UserCanceledError()

        self.writeStarted.emit(self)

        # Actually writing file
        if file_handler:
            file_writer = file_handler.getWriter(selected_type["id"])
        else:
            file_writer = Application.getInstance().getMeshFileHandler(
            ).getWriter(selected_type["id"])

        try:
            mode = selected_type["mode"]
            if mode == MeshWriter.OutputMode.TextMode:
                Logger.log("d", "Writing to Local File %s in text mode",
                           file_name)
                stream = open(file_name, "wt", encoding="utf-8")
            elif mode == MeshWriter.OutputMode.BinaryMode:
                Logger.log("d", "Writing to Local File %s in binary mode",
                           file_name)
                stream = open(file_name, "wb")
            else:
                Logger.log("e", "Unrecognised OutputMode.")
                return None

            # Adding screeshot section
            screenshot_string = utils.add_screenshot()

            if screenshot_string != "":
                stream.write(screenshot_string)
            # End of screeshot section

            job = WriteFileJob(file_writer, stream, nodes, mode)
            job.setFileName(file_name)
            # The file will be added into the "recent files" list upon success
            job.setAddToRecentFiles(True)
            job.progress.connect(self._onJobProgress)
            job.finished.connect(self._onWriteJobFinished)

            message = Message(
                self._translations.get("file_saving_progress").format(
                    file_name), 0, False, -1,
                self._translations.get("file_saving_title"))
            message.show()

            job.setMessage(message)
            self._writing = True
            job.start()
        except PermissionError as e:
            Logger.log("e", "Permission denied when trying to write to %s: %s",
                       file_name, str(e))
            raise OutputDeviceError.PermissionDeniedError(
                self._translations.get("permission_denied").format(
                    file_name)) from e
        except OSError as e:
            Logger.log("e",
                       "Operating system would not let us write to %s: %s",
                       file_name, str(e))
            raise OutputDeviceError.WriteRequestFailedError(
                self._translations.get("permission_denied2").format(
                    file_name, str(e))) from e