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novelWriter/novelwriter/core/coretools.py
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2022-11-06 00:29:43 +01:00

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"""
novelWriter Project Document Tools
====================================
A collection of tools to create and manipulate documents
File History:
Created: 2022-10-02 [2.0b1] DocMerger
Created: 2022-10-11 [2.0b1] DocSplitter
This file is a part of novelWriter
Copyright 20182022, Veronica Berglyd Olsen
This program is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful, but
WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program. If not, see <https://www.gnu.org/licenses/>.
"""
import os
import shutil
import logging
import novelwriter
from time import time
from functools import partial
from PyQt5.QtCore import QCoreApplication
from novelwriter.enum import nwAlert
from novelwriter.common import minmax, simplified
from novelwriter.constants import nwItemClass
from novelwriter.core.project import NWProject
logger = logging.getLogger(__name__)
class DocMerger:
"""Document tool for merging a set of documents into a single new
document. The parameters are defined by the user using the
GuiDocMerge dialog.
"""
def __init__(self, theProject):
self.theProject = theProject
self._error = ""
self._targetDoc = None
self._targetText = []
return
##
# Methods
##
def getError(self):
"""Return any collected errors.
"""
return self._error
def setTargetDoc(self, tHandle):
"""Set the target document for the merging. Calling this
function resets the class.
"""
self._targetDoc = tHandle
self._targetText = []
return
def newTargetDoc(self, srcHandle, docLabel):
"""Create a barnd new target document based on a source handle
and a new doc label. Calling this function resets the class.
"""
srcItem = self.theProject.tree[srcHandle]
if srcItem is None:
return None
newHandle = self.theProject.newFile(docLabel, srcItem.itemParent)
newItem = self.theProject.tree[newHandle]
newItem.setLayout(srcItem.itemLayout)
newItem.setStatus(srcItem.itemStatus)
newItem.setImport(srcItem.itemImport)
self._targetDoc = newHandle
self._targetText = []
return newHandle
def appendText(self, srcHandle, addComment, cmtPrefix):
"""Append text from an existing document to the text buffer.
"""
srcItem = self.theProject.tree[srcHandle]
if srcItem is None:
return False
inDoc = self.theProject.storage.getDocument(srcHandle)
docText = (inDoc.readDocument() or "").rstrip("\n")
if addComment:
docInfo = srcItem.describeMe()
docSt, _ = srcItem.getImportStatus(incIcon=False)
cmtLine = f"% {cmtPrefix} {docInfo}: {srcItem.itemName} [{docSt}]\n\n"
docText = cmtLine + docText
self._targetText.append(docText)
return True
def writeTargetDoc(self):
"""Write the accumulated text into the designated target
document, appending any existing text.
"""
if self._targetDoc is None:
return False
outDoc = self.theProject.storage.getDocument(self._targetDoc)
docText = (outDoc.readDocument() or "").rstrip("\n")
if docText:
self._targetText.insert(0, docText)
status = outDoc.writeDocument("\n\n".join(self._targetText) + "\n\n")
if not status:
self._error = outDoc.getError()
return status
# END Class DocMerger
class DocSplitter:
"""Document tool for splitting a document into a set of new
documents. The parameters are defined by the user using the
GuiDocSplit dialog.
"""
def __init__(self, theProject, sHandle):
self.theProject = theProject
self._error = ""
self._parHandle = None
self._srcHandle = None
self._srcItem = None
self._inFolder = False
self._rawData = []
srcItem = self.theProject.tree[sHandle]
if srcItem is not None and srcItem.isFileType():
self._srcHandle = sHandle
self._srcItem = srcItem
return
##
# Methods
##
def getError(self):
"""Return any collected errors.
"""
return self._error
def setParentItem(self, pHandle):
"""Set the item that will be the top level parent item for the
new documents.
"""
self._parHandle = pHandle
self._inFolder = False
return
def newParentFolder(self, pHandle, folderLabel):
"""Create a new folder that will be the top level parent item
for the new documents.
"""
if self._srcItem is None:
return None
newHandle = self.theProject.newFolder(folderLabel, pHandle)
newItem = self.theProject.tree[newHandle]
newItem.setStatus(self._srcItem.itemStatus)
newItem.setImport(self._srcItem.itemImport)
self._parHandle = newHandle
self._inFolder = True
return newHandle
def splitDocument(self, splitData, splitText):
"""Loop through the split data record and perform the split job.
"""
self._rawData = []
buffer = splitText.copy()
for lineNo, hLevel, hLabel in reversed(splitData):
chunk = buffer[lineNo:]
buffer = buffer[:lineNo]
self._rawData.insert(0, (chunk, hLevel, hLabel))
return True
def writeDocuments(self, docHierarchy):
"""An iterator that will write each document in the buffer, and
return its new handle, parent handle, and sibling handle.
"""
if self._srcHandle is None or self._srcItem is None:
return
pHandle = self._parHandle
nHandle = self._parHandle if self._inFolder else self._srcHandle
hHandle = [self._parHandle, None, None, None, None]
pLevel = 0
for docText, hLevel, docLabel in self._rawData:
hLevel = minmax(hLevel, 1, 4)
if pLevel == 0:
pLevel = hLevel
if docHierarchy:
if hLevel == 1:
pHandle = self._parHandle
elif hLevel == 2:
pHandle = hHandle[1] or hHandle[0]
elif hLevel == 3:
pHandle = hHandle[2] or hHandle[1] or hHandle[0]
elif hLevel == 4:
pHandle = hHandle[3] or hHandle[2] or hHandle[1] or hHandle[0]
if hLevel < pLevel:
nHandle = hHandle[hLevel] or hHandle[0]
elif hLevel > pLevel:
nHandle = pHandle
dHandle = self.theProject.newFile(docLabel, pHandle)
hHandle[hLevel] = dHandle
newItem = self.theProject.tree[dHandle]
newItem.setStatus(self._srcItem.itemStatus)
newItem.setImport(self._srcItem.itemImport)
outDoc = self.theProject.storage.getDocument(dHandle)
status = outDoc.writeDocument("\n".join(docText))
if not status:
self._error = outDoc.getError()
yield status, dHandle, nHandle
hHandle[hLevel] = dHandle
nHandle = dHandle
pLevel = hLevel
return
# END Class DocSplitter
class ProjectBuilder:
"""A class to build a new project from a set of user-defined
parameter provided by the New Projecty Wizard.
"""
def __init__(self, mainGui):
self.mainGui = mainGui
self.mainConf = novelwriter.CONFIG
self.tr = partial(QCoreApplication.translate, "NWProject")
return
##
# Methods
##
def buildProject(self, data):
"""Build a project from a data dictionary of specifications
provided by the wizard.
"""
if not isinstance(data, dict):
logger.error("Invalid call to newProject function")
return False
popMinimal = data.get("popMinimal", True)
popCustom = data.get("popCustom", False)
popSample = data.get("popSample", False)
# Check if we're extracting the sample project. This is handled
# differently as it isn't actually a new project, so we forward
# this to another function and return here.
if popSample:
return self._extractSampleProject(data)
projPath = data.get("projPath", None)
if projPath is None:
logger.error("No project path set for the new project")
return False
project = NWProject(self.mainGui)
if not project.storage.openProjectInPlace(projPath, newProject=True):
return False
project.projPath = projPath
lblNewProject = self.tr("New Project")
lblNewChapter = self.tr("New Chapter")
lblNewScene = self.tr("New Scene")
lblTitlePage = self.tr("Title Page")
lblByAuthors = self.tr("By")
# Settings
projName = data.get("projName", lblNewProject)
projTitle = data.get("projTitle", lblNewProject)
projAuthors = data.get("projAuthors", "")
project.data.setUuid(None)
project.data.setName(projName)
project.data.setTitle(projTitle)
project.data.setAuthors(projAuthors)
project.setDefaultStatusImport()
project._projOpened = int(time())
# Add Root Folders
hNovelRoot = project.newRoot(nwItemClass.NOVEL)
hTitlePage = project.newFile(lblTitlePage, hNovelRoot)
novelTitle = project.data.title if project.data.title else project.data.name
titlePage = f"#! {novelTitle}\n\n"
if project.data.authors:
titlePage += f">> {lblByAuthors} {project.getFormattedAuthors()} <<\n\n"
aDoc = project.storage.getDocument(hTitlePage)
aDoc.writeDocument(titlePage)
if popMinimal:
# Creating a minimal project with a few root folders and a
# single chapter with a single scene.
hChapter = project.newFile(lblNewChapter, hNovelRoot)
aDoc = project.storage.getDocument(hChapter)
aDoc.writeDocument(f"## {lblNewChapter}\n\n")
hScene = project.newFile(lblNewScene, hChapter)
aDoc = project.storage.getDocument(hScene)
aDoc.writeDocument(f"### {lblNewScene}\n\n")
project.newRoot(nwItemClass.PLOT)
project.newRoot(nwItemClass.CHARACTER)
project.newRoot(nwItemClass.WORLD)
project.newRoot(nwItemClass.ARCHIVE)
project.saveProject()
project.closeProject()
elif popCustom:
# Create a project structure based on selected root folders
# and a number of chapters and scenes selected in the
# wizard's custom page.
# Create chapters and scenes
numChapters = data.get("numChapters", 0)
numScenes = data.get("numScenes", 0)
chSynop = self.tr("Summary of the chapter.")
scSynop = self.tr("Summary of the scene.")
# Create chapters
if numChapters > 0:
for ch in range(numChapters):
chTitle = self.tr("Chapter {0}").format(f"{ch+1:d}")
cHandle = project.newFile(chTitle, hNovelRoot)
aDoc = project.storage.getDocument(cHandle)
aDoc.writeDocument(f"## {chTitle}\n\n% Synopsis: {chSynop}\n\n")
# Create chapter scenes
if numScenes > 0:
for sc in range(numScenes):
scTitle = self.tr("Scene {0}").format(f"{ch+1:d}.{sc+1:d}")
sHandle = project.newFile(scTitle, cHandle)
aDoc = project.storage.getDocument(sHandle)
aDoc.writeDocument(f"### {scTitle}\n\n% Synopsis: {scSynop}\n\n")
# Create scenes (no chapters)
elif numScenes > 0:
for sc in range(numScenes):
scTitle = self.tr("Scene {0}").format(f"{sc+1:d}")
sHandle = project.newFile(scTitle, hNovelRoot)
aDoc = project.storage.getDocument(sHandle)
aDoc.writeDocument(f"### {scTitle}\n\n% Synopsis: {scSynop}\n\n")
# Create notes folders
noteTitles = {
nwItemClass.PLOT: self.tr("Main Plot"),
nwItemClass.CHARACTER: self.tr("Protagonist"),
nwItemClass.WORLD: self.tr("Main Location"),
}
addNotes = data.get("addNotes", False)
for newRoot in data.get("addRoots", []):
if newRoot in nwItemClass:
rHandle = project.newRoot(newRoot)
if addNotes:
aHandle = project.newFile(noteTitles[newRoot], rHandle)
ntTag = simplified(noteTitles[newRoot]).replace(" ", "")
aDoc = project.storage.getDocument(aHandle)
aDoc.writeDocument(f"# {noteTitles[newRoot]}\n\n@tag: {ntTag}\n\n")
# Also add the archive and trash folders
project.newRoot(nwItemClass.ARCHIVE)
project.trashFolder()
project.saveProject()
project.closeProject()
return True
##
# Internal Functions
##
def _extractSampleProject(self, data):
"""Make a copy of the sample project by extracting the
sample.zip file to the new path.
"""
projPath = data.get("projPath", None)
if projPath is None:
logger.error("No project path set for the example project")
return False
pkgSample = os.path.join(self.mainConf.assetPath, "sample.zip")
if os.path.isfile(pkgSample):
try:
shutil.unpack_archive(pkgSample, projPath)
except Exception as exc:
self.mainGui.makeAlert(self.tr(
"Failed to create a new example project."
), nwAlert.ERROR, exception=exc)
return False
else:
self.mainGui.makeAlert(self.tr(
"Failed to create a new example project. "
"Could not find the necessary files. "
"They seem to be missing from this installation."
), nwAlert.ERROR)
return False
return True
# END Class ProjectBuilder