Veronica Berglyd Olsen
660 lines
23 KiB
Python
660 lines
23 KiB
Python
"""
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novelWriter – Project Wrapper
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=============================
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The parent class for a novelWriter project
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File History:
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Created: 2018-09-29 [0.0.1]
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This file is a part of novelWriter
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Copyright 2018–2023, Veronica Berglyd Olsen
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This program is free software: you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation, either version 3 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful, but
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WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program. If not, see <https://www.gnu.org/licenses/>.
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"""
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from __future__ import annotations
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import json
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import logging
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from time import time
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from typing import TYPE_CHECKING, Iterator
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from pathlib import Path
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from functools import partial
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from PyQt5.QtCore import QCoreApplication, QObject, pyqtSignal
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from novelwriter import CONFIG, __version__, __hexversion__
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from novelwriter.enum import nwItemType, nwItemClass, nwItemLayout, nwAlert
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from novelwriter.error import logException
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from novelwriter.constants import trConst, nwLabels
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from novelwriter.core.tree import NWTree
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from novelwriter.core.index import NWIndex
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from novelwriter.core.options import OptionState
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from novelwriter.core.storage import NWStorage
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from novelwriter.core.sessions import NWSessionLog
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from novelwriter.core.projectxml import ProjectXMLReader, ProjectXMLWriter, XMLReadState
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from novelwriter.core.projectdata import NWProjectData
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from novelwriter.common import (
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checkStringNone, formatTimeStamp, hexToInt, makeFileNameSafe, minmax
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)
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if TYPE_CHECKING: # pragma: no cover
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from novelwriter.guimain import GuiMain
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from novelwriter.core.item import NWItem
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from novelwriter.core.status import NWStatus
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logger = logging.getLogger(__name__)
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class NWProject(QObject):
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projectStatusChanged = pyqtSignal(bool)
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def __init__(self, mainGui: GuiMain) -> None:
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super().__init__(parent=mainGui)
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# Internal
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self.mainGui = mainGui
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# Core Elements
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self._options = OptionState(self) # Project-specific GUI options
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self._storage = NWStorage(self) # The project storage handler
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self._data = NWProjectData(self) # The project settings
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self._tree = NWTree(self) # The project tree
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self._index = NWIndex(self) # The project index
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self._session = NWSessionLog(self) # The session record
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# Project Status
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self._langData = {} # Localisation data
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self._projChanged = False # The project has unsaved changes
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self._lockedBy = None # Data on which computer has the project open
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# Internal Mapping
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self.tr = partial(QCoreApplication.translate, "NWProject")
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return
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##
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# Properties
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##
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@property
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def options(self) -> OptionState:
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return self._options
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@property
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def storage(self) -> NWStorage:
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return self._storage
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@property
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def data(self) -> NWProjectData:
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return self._data
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@property
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def tree(self) -> NWTree:
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return self._tree
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@property
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def index(self) -> NWIndex:
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return self._index
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@property
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def session(self) -> NWSessionLog:
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return self._session
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@property
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def projOpened(self) -> float:
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return self._session.start
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@property
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def projChanged(self) -> bool:
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return self._projChanged
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##
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# Item Methods
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##
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def newRoot(self, itemClass: nwItemClass, label: str | None = None) -> str:
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"""Add a new root folder to the project. If label is not set,
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use the class label.
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"""
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label = label or trConst(nwLabels.CLASS_NAME[itemClass])
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return self._tree.create(label, None, nwItemType.ROOT, itemClass)
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def newFolder(self, label: str, parent: str) -> str | None:
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"""Add a new folder with a given label and parent item."""
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return self._tree.create(label, parent, nwItemType.FOLDER)
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def newFile(self, label: str, parent: str) -> str | None:
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"""Add a new file with a given label and parent item."""
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return self._tree.create(label, parent, nwItemType.FILE)
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def writeNewFile(self, tHandle: str, hLevel: int, isDocument: bool, addText: str = "") -> bool:
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"""Write content to a new document after it is created. This
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will not run if the file exists and is not empty.
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"""
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tItem = self._tree[tHandle]
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if tItem is None:
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return False
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if not tItem.isFileType():
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return False
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newDoc = self._storage.getDocument(tHandle)
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if (newDoc.readDocument() or "").strip():
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return False
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hshText = "#"*minmax(hLevel, 1, 4)
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newText = f"{hshText} {tItem.itemName}\n\n{addText}"
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if tItem.isNovelLike() and isDocument:
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tItem.setLayout(nwItemLayout.DOCUMENT)
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else:
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tItem.setLayout(nwItemLayout.NOTE)
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newDoc.writeDocument(newText)
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self._index.scanText(tHandle, newText)
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return True
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def removeItem(self, tHandle: str) -> bool:
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"""Remove an item from the project. This will delete both the
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project entry and a document file if it exists.
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"""
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if self._tree.checkType(tHandle, nwItemType.FILE):
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delDoc = self._storage.getDocument(tHandle)
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if not delDoc.deleteDocument():
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self.mainGui.makeAlert([
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self.tr("Could not delete document file."), delDoc.getError()
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], nwAlert.ERROR)
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return False
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self._index.deleteHandle(tHandle)
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del self._tree[tHandle]
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return True
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def trashFolder(self) -> str:
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"""Add the special trash root folder to the project."""
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trashHandle = self._tree.trashRoot()
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if trashHandle is None:
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label = trConst(nwLabels.CLASS_NAME[nwItemClass.TRASH])
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return self._tree.create(label, None, nwItemType.ROOT, nwItemClass.TRASH)
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return trashHandle
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##
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# Project Methods
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##
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def clearProject(self) -> None:
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"""Clear the data for the current project, and set them to
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default values.
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Note: Don't clear the lockedBy data here as it is needed after
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this function is called.
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"""
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# Core Elements
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self._options = OptionState(self)
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self._storage.clear()
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self._data = NWProjectData(self)
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self._tree.clear()
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self._index.clearIndex()
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self._session = NWSessionLog(self)
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# Project Status
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self._langData = {}
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self._projChanged = False
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return
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def openProject(self, projPath: str | Path, overrideLock: bool = False) -> bool:
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"""Open the project file provided. If it doesn't exist, assume
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it is a folder and look for the file within it. If successful,
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parse the XML of the file and populate the project variables and
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build the tree of project items.
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"""
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self.clearProject()
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logger.info("Opening project: %s", projPath)
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if not self._storage.openProjectInPlace(projPath):
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self.mainGui.makeAlert(self.tr(
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"Could not open project with path: {0}"
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).format(projPath), nwAlert.ERROR)
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return False
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# Project Lock
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# ============
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if overrideLock:
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self._storage.clearLockFile()
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lockStatus = self._storage.readLockFile()
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if len(lockStatus) > 0:
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if lockStatus[0] == "ERROR":
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logger.warning("Failed to check lock file")
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else:
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logger.error("Project is locked, so not opening")
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self._lockedBy = lockStatus
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self.clearProject()
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return False
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else:
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logger.debug("Project is not locked")
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# Open The Project XML File
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# =========================
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xmlReader = self._storage.getXmlReader()
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if not isinstance(xmlReader, ProjectXMLReader):
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self.clearProject()
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return False
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self._data = NWProjectData(self)
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projContent = []
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xmlParsed = xmlReader.read(self._data, projContent)
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appVersion = xmlReader.appVersion or self.tr("Unknown")
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if not xmlParsed:
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if xmlReader.state == XMLReadState.NOT_NWX_FILE:
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self.mainGui.makeAlert(self.tr(
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"Project file does not appear to be a novelWriterXML file."
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), nwAlert.ERROR)
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elif xmlReader.state == XMLReadState.UNKNOWN_VERSION:
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self.mainGui.makeAlert(self.tr(
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"Unknown or unsupported novelWriter project file format. "
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"The project cannot be opened by this version of novelWriter. "
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"The file was saved with novelWriter version {0}."
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).format(appVersion), nwAlert.ERROR)
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else:
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self.mainGui.makeAlert(self.tr(
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"Failed to parse project xml."
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), nwAlert.ERROR)
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self.clearProject()
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return False
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# Check Legacy Upgrade
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# ====================
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if xmlReader.state == XMLReadState.WAS_LEGACY:
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msgYes = self.mainGui.askQuestion(
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self.tr("File Version"),
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self.tr(
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"The file format of your project is about to be updated. "
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"If you proceed, older versions of novelWriter will no "
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"longer be able to open this project. Continue?"
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)
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)
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if not msgYes:
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self.clearProject()
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return False
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# Check novelWriter Version
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# =========================
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if xmlReader.hexVersion > hexToInt(__hexversion__):
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msgYes = self.mainGui.askQuestion(
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self.tr("Version Conflict"),
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self.tr(
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"This project was saved by a newer version of "
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"novelWriter, version {0}. This is version {1}. If you "
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"continue to open the project, some attributes and "
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"settings may not be preserved, but the overall project "
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"should be fine. Continue opening the project?"
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).format(appVersion, __version__)
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)
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if not msgYes:
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self.clearProject()
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return False
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# Extract Data
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# ============
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self._tree.unpack(projContent)
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self._options.loadSettings()
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self._loadProjectLocalisation()
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# Update recent projects
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CONFIG.recentProjects.update(
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self._storage.storagePath, self._data.name, sum(self._data.initCounts), time()
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)
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# Check the project tree consistency
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# This also handles any orphaned files found
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orphans, recovered = self._tree.checkConsistency(self.tr("Recovered"))
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if orphans > 0:
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self.mainGui.makeAlert(self.tr(
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"Found {0} orphaned file(s) in the project. {1} file(s) were recovered."
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).format(orphans, recovered), nwAlert.WARN)
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self._index.loadIndex()
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if xmlReader.state == XMLReadState.WAS_LEGACY:
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# Often, the index needs to be rebuilt when updating format
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self._index.rebuildIndex()
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self.updateWordCounts()
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self._session.startSession()
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self._storage.writeLockFile()
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self.setProjectChanged(False)
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self.mainGui.setStatus(self.tr("Opened Project: {0}").format(self._data.name))
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return True
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def saveProject(self, autoSave: bool = False) -> bool:
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"""Save the project main XML file. The saving command itself
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uses a temporary filename, and the file is replaced afterwards
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to make sure if the save fails, we're not left with a truncated
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file.
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"""
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if not self._storage.isOpen():
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self.mainGui.makeAlert(self.tr(
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"There is no project open."
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), nwAlert.ERROR)
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return False
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saveTime = time()
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logger.info("Saving project: %s", self._storage.storagePath)
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if autoSave:
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self._data.incAutoCount()
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else:
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self._data.incSaveCount()
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self.updateWordCounts()
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self.countStatus()
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xmlWriter = self._storage.getXmlWriter()
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if not isinstance(xmlWriter, ProjectXMLWriter):
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return False
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saveTime = time()
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editTime = self._data.editTime + max(round(saveTime - self._session.start), 0)
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content = self._tree.pack()
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if not xmlWriter.write(self._data, content, saveTime, editTime):
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self.mainGui.makeAlert(self.tr(
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"Failed to save project."
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), nwAlert.ERROR, exception=xmlWriter.error)
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return False
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# Save other project data
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self._options.saveSettings()
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self._index.saveIndex()
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self._storage.runPostSaveTasks(autoSave=autoSave)
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# Update recent projects
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CONFIG.recentProjects.update(
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self._storage.storagePath, self._data.name, sum(self._data.currCounts), saveTime
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)
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self._storage.writeLockFile()
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self.mainGui.setStatus(self.tr("Saved Project: {0}").format(self._data.name))
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self.setProjectChanged(False)
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return True
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def closeProject(self, idleTime: float = 0.0) -> None:
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"""Close the current project and clear all meta data."""
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logger.info("Closing project")
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self._options.saveSettings()
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self._tree.writeToCFile()
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self._session.appendSession(idleTime)
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self._storage.closeSession()
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self.clearProject()
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self._lockedBy = None
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return
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def backupProject(self, doNotify: bool) -> bool:
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"""Create a zip file of the entire project."""
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if not self._storage.isOpen():
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logger.error("No project open")
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return False
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logger.info("Backing up project")
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self.mainGui.setStatus(self.tr("Backing up project ..."))
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backupPath = CONFIG.backupPath()
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if not isinstance(backupPath, Path):
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self.mainGui.makeAlert(self.tr(
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"Cannot backup project because no valid backup path is set. "
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"Please set a valid backup location in Preferences."
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), nwAlert.ERROR)
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return False
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if not self._data.name:
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self.mainGui.makeAlert(self.tr(
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"Cannot backup project because no project name is set. "
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"Please set a Project Name in Project Settings."
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), nwAlert.ERROR)
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return False
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cleanName = makeFileNameSafe(self._data.name)
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baseDir = backupPath / cleanName
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try:
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baseDir.mkdir(exist_ok=True)
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except Exception as exc:
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self.mainGui.makeAlert(self.tr(
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"Could not create backup folder."
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), nwAlert.ERROR, exception=exc)
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return False
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archName = baseDir / self.tr(
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"Backup from {0}"
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).format(formatTimeStamp(time(), fileSafe=True) + ".zip")
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if self._storage.zipIt(archName, compression=2):
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if doNotify:
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self.mainGui.makeAlert(self.tr(
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"Backup archive file written to: {0}"
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).format(str(archName), nwAlert.INFO))
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else:
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self.mainGui.makeAlert(self.tr(
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"Could not write backup archive."
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), nwAlert.ERROR)
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return False
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self.mainGui.setStatus(self.tr(
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"Project backed up to '{0}'"
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).format(str(archName)))
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return True
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##
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# Setters
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##
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def setDefaultStatusImport(self) -> None:
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"""Set the default status and importance values."""
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self._data.itemStatus.write(None, self.tr("New"), (100, 100, 100))
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self._data.itemStatus.write(None, self.tr("Note"), (200, 50, 0))
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self._data.itemStatus.write(None, self.tr("Draft"), (200, 150, 0))
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self._data.itemStatus.write(None, self.tr("Finished"), (50, 200, 0))
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self._data.itemImport.write(None, self.tr("New"), (100, 100, 100))
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self._data.itemImport.write(None, self.tr("Minor"), (200, 50, 0))
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self._data.itemImport.write(None, self.tr("Major"), (200, 150, 0))
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self._data.itemImport.write(None, self.tr("Main"), (50, 200, 0))
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return
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def setProjectLang(self, language: str | None) -> None:
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"""Set the project-specific language."""
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language = checkStringNone(language, None)
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if self._data.language != language:
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self._data.setLanguage(language)
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self._loadProjectLocalisation()
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self.setProjectChanged(True)
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return
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def setTreeOrder(self, order: list[str]) -> None:
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"""A list representing the linear/flattened order of project
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items in the GUI project tree. The user can rearrange the order
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by drag-and-drop. Forwarded to the NWTree class.
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"""
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if len(self._tree) != len(order):
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logger.warning("Sizes of new and old tree order do not match")
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self._tree.setOrder(order)
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self.setProjectChanged(True)
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return
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def setStatusColours(self, new: list[dict], deleted: list[str]) -> bool:
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"""Update the list of novel file status flags."""
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return self._setStatusImport(new, deleted, self._data.itemStatus)
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def setImportColours(self, new: list[dict], deleted: list[str]) -> bool:
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"""Update the list of note file importance flags."""
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return self._setStatusImport(new, deleted, self._data.itemImport)
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def setProjectChanged(self, status: bool) -> bool:
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"""Toggle the project changed flag, and propagate the
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information to the GUI statusbar.
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"""
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if isinstance(status, bool):
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self._projChanged = status
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self.projectStatusChanged.emit(self._projChanged)
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return self._projChanged
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##
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# Getters
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##
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def getLockStatus(self) -> list | None:
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"""Return the project lock information for the project."""
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if isinstance(self._lockedBy, list) and len(self._lockedBy) == 4:
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return self._lockedBy
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return None
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def getCurrentEditTime(self) -> int:
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"""Get the total project edit time, including the time spent in
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the current session.
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"""
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return self._data.editTime + round(time() - self._session.start)
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||
|
||
def getProjectItems(self) -> Iterator[NWItem]:
|
||
"""This function ensures that the item tree loaded is sent to
|
||
the GUI tree view in such a way that the tree can be built. That
|
||
is, the parent item must be sent before its child. In principle,
|
||
a proper XML file will already ensure that, but in the event the
|
||
order has been altered, or a file is orphaned, this function is
|
||
capable of handling it.
|
||
"""
|
||
sentItems = []
|
||
iterItems = self._tree.handles()
|
||
n = 0
|
||
nMax = min(len(iterItems), 10000)
|
||
while n < nMax:
|
||
tHandle = iterItems[n]
|
||
tItem = self._tree[tHandle]
|
||
n += 1
|
||
if tItem is None:
|
||
# Technically a bug since treeOrder is built from the
|
||
# same data as _projTree
|
||
continue
|
||
elif tItem.itemParent is None:
|
||
# Item is a root, or already been identified as an
|
||
# orphaned item
|
||
sentItems.append(tHandle)
|
||
yield tItem
|
||
elif tItem.itemParent in sentItems:
|
||
# Item's parent has been sent, so all is fine
|
||
sentItems.append(tHandle)
|
||
yield tItem
|
||
elif tItem.itemParent in iterItems:
|
||
# Item's parent exists, but hasn't been sent yet, so add
|
||
# it again to the end, but make sure this doesn't get
|
||
# out hand, so we cap at 10000 items
|
||
logger.warning("Item '%s' found before its parent", tHandle)
|
||
iterItems.append(tHandle)
|
||
nMax = min(len(iterItems), 10000)
|
||
else:
|
||
# Item is orphaned
|
||
logger.error("Item '%s' has no parent in current tree", tHandle)
|
||
tItem.setParent(None)
|
||
yield tItem
|
||
return
|
||
|
||
##
|
||
# Class Methods
|
||
##
|
||
|
||
def updateWordCounts(self) -> None:
|
||
"""Update the total word count values."""
|
||
novel, notes = self._tree.sumWords()
|
||
self._data.setCurrCounts(novel=novel, notes=notes)
|
||
return
|
||
|
||
def countStatus(self) -> None:
|
||
"""Count how many times the various status flags are used in the
|
||
project tree. The counts themselves are kept in the NWStatus
|
||
objects. This is essentially a refresh.
|
||
"""
|
||
self._data.itemStatus.resetCounts()
|
||
self._data.itemImport.resetCounts()
|
||
for nwItem in self._tree:
|
||
if nwItem.isNovelLike():
|
||
self._data.itemStatus.increment(nwItem.itemStatus)
|
||
else:
|
||
self._data.itemImport.increment(nwItem.itemImport)
|
||
return
|
||
|
||
def localLookup(self, word: str | int) -> str:
|
||
"""Look up a word or number in the translation map for the
|
||
project and return it. The variable is cast to a string before
|
||
lookup. If the word does not exist, it returns itself.
|
||
"""
|
||
return self._langData.get(str(word), str(word))
|
||
|
||
##
|
||
# Internal Functions
|
||
##
|
||
|
||
def _setStatusImport(self, new: list[dict], delete: list[str], target: NWStatus) -> bool:
|
||
"""Update the list of novel file status or importance flags, and
|
||
delete those that have been requested deleted.
|
||
"""
|
||
if not (new or delete):
|
||
return False
|
||
|
||
order = []
|
||
for entry in new:
|
||
key = entry.get("key", None)
|
||
name = entry.get("name", "")
|
||
cols = entry.get("cols", (100, 100, 100))
|
||
if name:
|
||
order.append(target.write(key, name, cols))
|
||
|
||
for key in delete:
|
||
target.remove(key)
|
||
|
||
target.reorder(order)
|
||
|
||
return True
|
||
|
||
def _loadProjectLocalisation(self) -> bool:
|
||
"""Load the language data for the current project language."""
|
||
if self._data.language is None or CONFIG._nwLangPath is None:
|
||
self._langData = {}
|
||
return False
|
||
|
||
langFile = Path(CONFIG._nwLangPath) / f"project_{self._data.language}.json"
|
||
if not langFile.is_file():
|
||
langFile = Path(CONFIG._nwLangPath) / "project_en_GB.json"
|
||
|
||
try:
|
||
with open(langFile, mode="r", encoding="utf-8") as inFile:
|
||
self._langData = json.load(inFile)
|
||
logger.debug("Loaded project language file: %s", langFile.name)
|
||
except Exception:
|
||
logger.error("Failed to project language file")
|
||
logException()
|
||
return False
|
||
|
||
return True
|
||
|
||
# END Class NWProject
|