mirror of
https://github.com/olivierkes/manuskript.git
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137 lines
3.5 KiB
Python
137 lines
3.5 KiB
Python
#!/usr/bin/env python
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# --!-- coding: utf8 --!--
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# Import/export outline cards in OPML format
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from PyQt5.QtWidgets import QMessageBox
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from manuskript.models.outlineModel import outlineItem
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from manuskript.enums import Outline
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from lxml import etree as ET
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from manuskript.functions import mainWindow
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def importOpml(opmlFilePath, idx):
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ret = False
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mw = mainWindow()
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try:
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with open(opmlFilePath, 'r') as opmlFile:
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opmlContent = saveNewlines(opmlFile.read())
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except:
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# TODO: Translation
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QMessageBox.critical(mw, mw.tr("OPML Import"),
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mw.tr("File open failed."))
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return False
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mdl = mw.mdlOutline
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if idx.internalPointer() is not None:
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parentItem = idx.internalPointer()
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else:
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parentItem = mdl.rootItem
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try:
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parsed = ET.fromstring(bytes(opmlContent, 'utf-8'))
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opmlNode = parsed
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bodyNode = opmlNode.find("body")
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if bodyNode is not None:
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outlineEls = bodyNode.findall("outline")
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if outlineEls is not None:
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for element in outlineEls:
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parseItems(element, parentItem)
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mdl.layoutChanged.emit()
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mw.treeRedacOutline.viewport().update()
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ret = True
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except:
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pass
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# TODO: Translation
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if ret:
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QMessageBox.information(mw, mw.tr("OPML Import"),
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mw.tr("Import Complete."))
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else:
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QMessageBox.critical(mw, mw.tr("OPML Import"),
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mw.tr("This does not appear to be a valid OPML file."))
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return ret
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def parseItems(underElement, parentItem):
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text = underElement.get('text')
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if text is not None:
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"""
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In the case where the title is exceptionally long, trim it so it isn't
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distracting in the tab label
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"""
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title = text[0:32]
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if len(title) < len(text):
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title += '...'
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card = outlineItem(parent=parentItem, title=title)
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body = ""
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summary = ""
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note = underElement.get('_note')
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if note is not None and not isWhitespaceOnly(note):
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body = restoreNewLines(note)
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summary = body[0:128]
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else:
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"""
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There's no note (body), but there is a title. Fill the
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body with the title to support cards that consist only
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of a title.
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"""
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body = text
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card.setData(Outline.summaryFull.value, summary)
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children = underElement.findall('outline')
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if children is not None and len(children) > 0:
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for el in children:
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parseItems(el, card)
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else:
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card.setData(Outline.type.value, 'md')
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card.setData(Outline.text.value, body)
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# I assume I don't have to do the following
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# parentItem.appendChild(card)
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return
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"""
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Since XML parsers are notorious for stripping out significant newlines,
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save them in a form we can restore after the parse.
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"""
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def saveNewlines(inString):
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inString = inString.replace("\r\n", "\n")
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inString = inString.replace("\n", "{{lf}}")
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return inString
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"""
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Restore any significant newlines
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"""
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def restoreNewLines(inString):
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return inString.replace("{{lf}}", "\n")
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"""
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Determine whether or not a string only contains whitespace.
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"""
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def isWhitespaceOnly(inString):
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str = restoreNewLines(inString)
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str = ''.join(str.split())
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return len(str) is 0
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