Veronica K. B. Olsen
670 lines
22 KiB
Python
670 lines
22 KiB
Python
# -*- coding: utf-8 -*-
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"""novelWriter Project Index
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novelWriter – Project Index
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=============================
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Class holding the index of tags
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File History:
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Created: 2019-05-27 [0.1.4]
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This file is a part of novelWriter
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Copyright 2018–2020, 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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import nw
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import logging
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import json
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from os import path
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from time import time
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from nw.constants import (
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nwFiles, nwKeyWords, nwItemType, nwItemClass, nwItemLayout, nwAlert
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)
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from nw.core.document import NWDoc
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from nw.core.tools import countWords
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logger = logging.getLogger(__name__)
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class NWIndex():
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VALID_KEYS = {
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nwKeyWords.TAG_KEY,
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nwKeyWords.PLOT_KEY,
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nwKeyWords.POV_KEY,
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nwKeyWords.CHAR_KEY,
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nwKeyWords.WORLD_KEY,
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nwKeyWords.TIME_KEY,
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nwKeyWords.OBJECT_KEY,
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nwKeyWords.ENTITY_KEY,
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nwKeyWords.CUSTOM_KEY
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}
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TAG_CLASS = {
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nwKeyWords.CHAR_KEY : nwItemClass.CHARACTER,
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nwKeyWords.POV_KEY : nwItemClass.CHARACTER,
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nwKeyWords.PLOT_KEY : nwItemClass.PLOT,
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nwKeyWords.TIME_KEY : nwItemClass.TIMELINE,
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nwKeyWords.WORLD_KEY : nwItemClass.WORLD,
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nwKeyWords.OBJECT_KEY : nwItemClass.OBJECT,
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nwKeyWords.ENTITY_KEY : nwItemClass.ENTITY,
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nwKeyWords.CUSTOM_KEY : nwItemClass.CUSTOM,
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}
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def __init__(self, theProject, theParent):
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# Internal
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self.mainConf = nw.CONFIG
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self.theProject = theProject
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self.theParent = theParent
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self.indexBroken = False
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# Indices
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self.tagIndex = None
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self.refIndex = None
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self.novelIndex = None
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self.noteIndex = None
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self.textCounts = None
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# TimeStamps
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self.timeNovel = 0
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self.timeNote = 0
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self.timeIndex = 0
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self.clearIndex()
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return
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##
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# Public Methods
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##
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def clearIndex(self):
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"""Clear the index dictionaries and time stamps.
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"""
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self.tagIndex = {}
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self.refIndex = {}
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self.novelIndex = {}
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self.noteIndex = {}
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self.textCounts = {}
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self.timeNovel = 0
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self.timeNote = 0
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self.timeIndex = 0
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return
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def deleteHandle(self, tHandle):
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"""Delete all entries of a given document handle.
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"""
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logger.debug("Removing item %s from the index" % tHandle)
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delTags = []
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for tTag in self.tagIndex:
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if self.tagIndex[tTag][1] == tHandle:
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delTags.append(tTag)
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for tTag in delTags:
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self.tagIndex.pop(tTag, None)
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self.refIndex.pop(tHandle, None)
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self.novelIndex.pop(tHandle, None)
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self.noteIndex.pop(tHandle, None)
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self.textCounts.pop(tHandle, None)
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return
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def reIndexHandle(self, tHandle):
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"""Put a file back into the index. This is used when files are
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moved from the archive or trash folders back into the active
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project.
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"""
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logger.debug("Re-indexing item %s" % tHandle)
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tItem = self.theProject.projTree[tHandle]
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if tItem is None:
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return False
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if tItem.itemType != nwItemType.FILE:
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return False
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theDoc = NWDoc(self.theProject, self.theParent)
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theText = theDoc.openDocument(tHandle, showStatus=False)
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if theText:
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self.scanText(tHandle, theText)
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return True
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##
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# Load and Save Index to/from File
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##
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def loadIndex(self):
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"""Load index from last session from the project meta folder.
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"""
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theData = {}
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indexFile = path.join(self.theProject.projMeta, nwFiles.INDEX_FILE)
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if path.isfile(indexFile):
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logger.debug("Loading index file")
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try:
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with open(indexFile, mode="r", encoding="utf8") as inFile:
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theJson = inFile.read()
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theData = json.loads(theJson)
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except Exception as e:
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logger.error("Failed to load index file")
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logger.error(str(e))
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return False
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if "tagIndex" in theData.keys():
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self.tagIndex = theData["tagIndex"]
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if "refIndex" in theData.keys():
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self.refIndex = theData["refIndex"]
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if "novelIndex" in theData.keys():
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self.novelIndex = theData["novelIndex"]
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if "noteIndex" in theData.keys():
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self.noteIndex = theData["noteIndex"]
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if "textCounts" in theData.keys():
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self.textCounts = theData["textCounts"]
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nowTime = round(time())
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self.timeNovel = nowTime
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self.timeNote = nowTime
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self.timeIndex = nowTime
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self.checkIndex()
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return True
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def saveIndex(self):
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"""Save the current index as a json file in the project meta
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data folder.
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"""
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indexFile = path.join(self.theProject.projMeta, nwFiles.INDEX_FILE)
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logger.debug("Saving index file")
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if self.mainConf.debugInfo:
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nIndent = 2
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else:
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nIndent = None
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try:
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with open(indexFile, mode="w+", encoding="utf8") as outFile:
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outFile.write(json.dumps({
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"tagIndex" : self.tagIndex,
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"refIndex" : self.refIndex,
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"novelIndex" : self.novelIndex,
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"noteIndex" : self.noteIndex,
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"textCounts" : self.textCounts,
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}, indent=nIndent))
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except Exception as e:
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logger.error("Failed to save index file")
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logger.error(str(e))
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return False
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return True
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def checkIndex(self):
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"""Check that the entries in the index are valid and contain the
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elements it should.
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"""
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self.indexBroken = False
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try:
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for tTag in self.tagIndex:
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if len(self.tagIndex[tTag]) != 4:
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self.indexBroken = True
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for tHandle in self.refIndex:
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for sTitle in self.refIndex[tHandle]:
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for tEntry in self.refIndex[tHandle][sTitle]["tags"]:
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if len(tEntry) != 3:
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self.indexBroken = True
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for tHandle in self.novelIndex:
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for sLine in self.novelIndex[tHandle]:
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if len(self.novelIndex[tHandle][sLine].keys()) != 8:
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self.indexBroken = True
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for tHandle in self.noteIndex:
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for sLine in self.noteIndex[tHandle]:
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if len(self.noteIndex[tHandle][sLine].keys()) != 8:
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self.indexBroken = True
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for tHandle in self.textCounts:
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if len(self.textCounts[tHandle]) != 3:
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self.indexBroken = True
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except Exception:
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self.indexBroken = True
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if self.indexBroken:
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self.clearIndex()
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self.theParent.makeAlert(
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"The project index is outdated or broken. Rebuilding index.",
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nwAlert.WARN
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)
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return
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##
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# Index Building
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##
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def scanText(self, tHandle, theText):
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"""Scan a piece of text associated with a handle. This will
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update the indices accordingly. This function takes the handle
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and text as separate inputs as we want to primarily scan the
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files before we save them, unless we're rebuilding the index.
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"""
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theItem = self.theProject.projTree[tHandle]
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theRoot = self.theProject.projTree.getRootItem(tHandle)
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if theItem is None:
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logger.error("Not indexing unknown item %s" % tHandle)
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return False
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if theItem.itemType != nwItemType.FILE:
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logger.error("Not indexing non-file item %s" % tHandle)
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return False
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if theItem.itemLayout == nwItemLayout.NO_LAYOUT:
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logger.error("Not indexing no-layout item %s" % tHandle)
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return False
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if theRoot is None:
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logger.error("Not indexing homeless item %s" % tHandle)
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return False
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# Run word counter for the whole text
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cC, wC, pC = countWords(theText)
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self.textCounts[tHandle] = [cC, wC, pC]
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# If the file is archived or trashed, we don't index the file itself
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if theItem.parHandle == self.theProject.projTree.trashRoot():
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logger.error("Not indexing trash item %s" % tHandle)
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return False
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if theRoot.itemClass == nwItemClass.ARCHIVE:
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logger.error("Not indexing archived item %s" % tHandle)
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return False
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itemClass = theItem.itemClass
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itemLayout = theItem.itemLayout
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logger.debug("Indexing item with handle %s" % tHandle)
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# Check file type, and reset its old index
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# Also add a dummy entry T000000 in case the file has no title
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self.refIndex[tHandle] = {}
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self.refIndex[tHandle]["T000000"] = {
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"tags" : [],
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"updated" : round(time()),
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}
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if itemLayout == nwItemLayout.NOTE:
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self.noteIndex[tHandle] = {}
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isNovel = False
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else:
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self.novelIndex[tHandle] = {}
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isNovel = True
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# Also clear references to file in tag index
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clearTags = []
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for aTag in self.tagIndex:
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if self.tagIndex[aTag][1] == tHandle:
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clearTags.append(aTag)
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for aTag in clearTags:
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self.tagIndex.pop(aTag)
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nLine = 0
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nTitle = 0
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theLines = theText.splitlines()
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for aLine in theLines:
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aLine = aLine
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nLine += 1
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nChar = len(aLine.strip())
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if nChar == 0:
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continue
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if aLine.startswith(r"#"):
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isTitle = self._indexTitle(tHandle, isNovel, aLine, nLine, itemLayout)
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if isTitle and nLine > 0:
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if nTitle > 0:
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lastText = "\n".join(theLines[nTitle-1:nLine-1])
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self._indexWordCounts(tHandle, isNovel, lastText, nTitle)
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nTitle = nLine
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elif aLine.startswith(r"@"):
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self._indexNoteRef(tHandle, aLine, nLine, nTitle)
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self._indexTag(tHandle, aLine, nLine, nTitle, itemClass)
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elif aLine.startswith(r"%"):
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if nTitle > 0:
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toCheck = aLine[1:].lstrip()
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synTag = toCheck[:9].lower()
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tLen = len(aLine)
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cLen = len(toCheck)
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cOff = tLen - cLen
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if synTag == "synopsis:":
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self._indexSynopsis(tHandle, isNovel, aLine[cOff+9:].strip(), nTitle)
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# Count words for remaining text after last heading
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if nTitle > 0:
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lastText = "\n".join(theLines[nTitle-1:])
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self._indexWordCounts(tHandle, isNovel, lastText, nTitle)
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# Update timestamps for index changes
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nowTime = round(time())
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self.timeIndex = nowTime
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if isNovel:
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self.timeNovel = nowTime
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else:
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self.timeNote = nowTime
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return True
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##
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# Internal Indexers
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##
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def _indexTitle(self, tHandle, isNovel, aLine, nLine, itemLayout):
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"""Save information about the title and its location in the
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file to the index.
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"""
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if aLine.startswith("# "):
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hDepth = "H1"
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hText = aLine[2:].strip()
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elif aLine.startswith("## "):
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hDepth = "H2"
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hText = aLine[3:].strip()
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elif aLine.startswith("### "):
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hDepth = "H3"
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hText = aLine[4:].strip()
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elif aLine.startswith("#### "):
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hDepth = "H4"
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hText = aLine[5:].strip()
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else:
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return False
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sTitle = "T%06d" % nLine
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self.refIndex[tHandle][sTitle] = {
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"tags" : [],
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"updated" : round(time()),
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}
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theData = {
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"level" : hDepth,
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"title" : hText,
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"layout" : itemLayout.name,
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"synopsis" : "",
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"cCount" : 0,
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"wCount" : 0,
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"pCount" : 0,
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"updated" : round(time()),
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}
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if hText != "":
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if isNovel:
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if tHandle in self.novelIndex:
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self.novelIndex[tHandle][sTitle] = theData
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else:
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if tHandle in self.noteIndex:
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self.noteIndex[tHandle][sTitle] = theData
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return True
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def _indexWordCounts(self, tHandle, isNovel, theText, nTitle):
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"""Count text stats and save the counts to the index.
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"""
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cC, wC, pC = countWords(theText)
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sTitle = "T%06d" % nTitle
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if isNovel:
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if tHandle in self.novelIndex:
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if sTitle in self.novelIndex[tHandle]:
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self.novelIndex[tHandle][sTitle]["cCount"] = cC
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self.novelIndex[tHandle][sTitle]["wCount"] = wC
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self.novelIndex[tHandle][sTitle]["pCount"] = pC
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self.novelIndex[tHandle][sTitle]["updated"] = round(time())
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else:
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if tHandle in self.noteIndex:
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if sTitle in self.noteIndex[tHandle]:
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self.noteIndex[tHandle][sTitle]["cCount"] = cC
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self.noteIndex[tHandle][sTitle]["wCount"] = wC
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self.noteIndex[tHandle][sTitle]["pCount"] = pC
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self.noteIndex[tHandle][sTitle]["updated"] = round(time())
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return
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def _indexSynopsis(self, tHandle, isNovel, theText, nTitle):
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"""Save the synopsis to the index.
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"""
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sTitle = "T%06d" % nTitle
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if isNovel:
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if tHandle in self.novelIndex:
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if sTitle in self.novelIndex[tHandle]:
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self.novelIndex[tHandle][sTitle]["synopsis"] = theText
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self.novelIndex[tHandle][sTitle]["updated"] = round(time())
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else:
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if tHandle in self.noteIndex:
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if sTitle in self.noteIndex[tHandle]:
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self.noteIndex[tHandle][sTitle]["synopsis"] = theText
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self.noteIndex[tHandle][sTitle]["updated"] = round(time())
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return
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def _indexNoteRef(self, tHandle, aLine, nLine, nTitle):
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"""Validate and save the information about a reference to a tag
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in another file.
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"""
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isValid, theBits, thePos = self.scanThis(aLine)
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if not isValid or len(theBits) == 0:
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return False
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sTitle = "T%06d" % nTitle
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if sTitle not in self.refIndex[tHandle]:
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logger.error("Cannot save tags to file %s, no title %s" % (tHandle, sTitle))
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return False
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if theBits[0] != nwKeyWords.TAG_KEY:
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for aVal in theBits[1:]:
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self.refIndex[tHandle][sTitle]["tags"].append([nLine, theBits[0], aVal])
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return True
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def _indexTag(self, tHandle, aLine, nLine, nTitle, itemClass):
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"""Validate and save the information from a tag.
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"""
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isValid, theBits, thePos = self.scanThis(aLine)
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if not isValid or len(theBits) != 2:
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return False
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if theBits[0] == nwKeyWords.TAG_KEY:
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sTitle = "T%06d" % nTitle
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self.tagIndex[theBits[1]] = [nLine, tHandle, itemClass.name, sTitle]
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return True
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##
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# Check @ Lines
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##
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def scanThis(self, aLine):
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"""Scan a line starting with @ to check that it's valid. Then
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split it up into its elements and positions as two arrays.
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"""
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theBits = [] # The elements of the string
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thePos = [] # The absolute position of each element
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aLine = aLine.rstrip() # Remove all trailing white spaces
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nChar = len(aLine)
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if nChar < 2:
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return False, theBits, thePos
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if aLine[0] != "@":
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return False, theBits, thePos
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cKey, _, cVals = aLine.partition(":")
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sKey = cKey.strip()
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if sKey == "@":
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return False, theBits, thePos
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cPos = 0
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theBits.append(sKey)
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thePos.append(cPos)
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cPos += len(cKey) + 1
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if not cVals:
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# No values, so we're done
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return True, theBits, thePos
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for cVal in cVals.split(","):
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sVal = cVal.strip()
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rLen = len(cVal.lstrip())
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tLen = len(cVal)
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theBits.append(sVal)
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thePos.append(cPos + tLen - rLen)
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cPos += tLen + 1
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return True, theBits, thePos
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def checkThese(self, theBits, tItem):
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"""Check the tags against the index to see if they are valid
|
||
tags. This is needed for syntax highlighting.
|
||
"""
|
||
nBits = len(theBits)
|
||
isGood = [False]*nBits
|
||
if nBits == 0:
|
||
return []
|
||
|
||
# Check that the key is valid
|
||
isGood[0] = theBits[0] in self.VALID_KEYS
|
||
if not isGood[0] or nBits == 1:
|
||
return isGood
|
||
|
||
# If we have a tag, only the first value is accepted, the rest
|
||
# is ignored
|
||
if theBits[0] == nwKeyWords.TAG_KEY and nBits > 1:
|
||
isGood[0] = True
|
||
if theBits[1] in self.tagIndex:
|
||
if self.tagIndex[theBits[1]][1] == tItem.itemHandle:
|
||
isGood[1] = True
|
||
else:
|
||
isGood[1] = False
|
||
else:
|
||
isGood[1] = True
|
||
return isGood
|
||
|
||
# If we're still here, we better check that the references exist
|
||
for n in range(1, nBits):
|
||
if theBits[n] in self.tagIndex:
|
||
isGood[n] = self.TAG_CLASS[theBits[0]].name == self.tagIndex[theBits[n]][2]
|
||
|
||
return isGood
|
||
|
||
##
|
||
# Extract Data
|
||
##
|
||
|
||
def getNovelStructure(self, skipExcluded=True):
|
||
"""Builds a list of all titles in the novel, in the correct
|
||
order as they appear in the tree view and in the respective
|
||
document files, but skipping all note files.
|
||
"""
|
||
theStructure = []
|
||
for tItem in self.theProject.projTree:
|
||
if tItem is None:
|
||
continue
|
||
if not tItem.isExported and skipExcluded:
|
||
continue
|
||
tHandle = tItem.itemHandle
|
||
if tHandle not in self.novelIndex:
|
||
continue
|
||
for sTitle in sorted(self.novelIndex[tHandle].keys()):
|
||
theStructure.append("%s:%s" % (tHandle, sTitle))
|
||
|
||
return theStructure
|
||
|
||
def getCounts(self, tHandle, sTitle=None):
|
||
"""Returns the counts for a file, or a section of a file
|
||
starting at title nTitle.
|
||
"""
|
||
cC = 0
|
||
wC = 0
|
||
pC = 0
|
||
|
||
if sTitle is None:
|
||
if tHandle in self.textCounts:
|
||
cC = self.textCounts[tHandle][0]
|
||
wC = self.textCounts[tHandle][1]
|
||
pC = self.textCounts[tHandle][2]
|
||
else:
|
||
if tHandle in self.novelIndex:
|
||
if sTitle in self.novelIndex[tHandle]:
|
||
cC = self.novelIndex[tHandle][sTitle]["cCount"]
|
||
wC = self.novelIndex[tHandle][sTitle]["wCount"]
|
||
pC = self.novelIndex[tHandle][sTitle]["pCount"]
|
||
elif tHandle in self.noteIndex:
|
||
if sTitle in self.noteIndex[tHandle]:
|
||
cC = self.noteIndex[tHandle][sTitle]["cCount"]
|
||
wC = self.noteIndex[tHandle][sTitle]["wCount"]
|
||
pC = self.noteIndex[tHandle][sTitle]["pCount"]
|
||
|
||
return cC, wC, pC
|
||
|
||
def getReferences(self, tHandle, sTitle=None):
|
||
"""Extract all references made in a file, and optionally title
|
||
section. sTitle must be a string.
|
||
"""
|
||
theRefs = {}
|
||
for tKey in self.TAG_CLASS:
|
||
theRefs[tKey] = []
|
||
|
||
if tHandle not in self.refIndex:
|
||
return theRefs
|
||
|
||
try:
|
||
for refTitle in self.refIndex[tHandle]:
|
||
for nLine, tKey, tTag in self.refIndex[tHandle][refTitle]["tags"]:
|
||
if sTitle is None or sTitle == refTitle:
|
||
theRefs[tKey].append(tTag)
|
||
except Exception as e:
|
||
logger.error("Failed to generate reference list")
|
||
logger.error(str(e))
|
||
|
||
return theRefs
|
||
|
||
def getBackReferenceList(self, tHandle):
|
||
"""Build a list of files referring back to our file, specified
|
||
by tHandle.
|
||
"""
|
||
theRefs = {}
|
||
if tHandle is None:
|
||
return theRefs
|
||
|
||
theTags = set()
|
||
for tTag in self.tagIndex:
|
||
if tHandle == self.tagIndex[tTag][1]:
|
||
theTags.add(tTag)
|
||
|
||
if theTags:
|
||
for tHandle in self.refIndex:
|
||
for sTitle in self.refIndex[tHandle]:
|
||
for _, _, tTag in self.refIndex[tHandle][sTitle]["tags"]:
|
||
if tTag in theTags and tHandle not in theRefs:
|
||
theRefs[tHandle] = sTitle
|
||
|
||
return theRefs
|
||
|
||
def getTagSource(self, theTag):
|
||
"""Return the source location of a given tag.
|
||
"""
|
||
if theTag in self.tagIndex:
|
||
theRef = self.tagIndex[theTag]
|
||
if len(theRef) == 4:
|
||
return theRef[1], theRef[0], theRef[3]
|
||
return None, 0, "T000000"
|
||
|
||
# END Class NWIndex
|