Veronica Berglyd Olsen
105 lines
2.4 KiB
Python
105 lines
2.4 KiB
Python
"""
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novelWriter – Project XML Read/Write
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====================================
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Classes for reading and writing the project XML file
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File History:
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Created: 2022-09-28 [1.7.b1]
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This file is a part of novelWriter
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Copyright 2018–2022, 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 os
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import logging
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from enum import Enum
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from lxml import etree
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logger = logging.getLogger(__name__)
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class XMLReadState(Enum):
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NO_ACTION = 0
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NO_ERROR = 1
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PARSED_BACKUP = 2
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CANNOT_PARSE = 3
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# END Class XMLReadState
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class ProjectXMLReader:
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def __init__(self, path):
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self._path = path
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self._state = XMLReadState.NO_ACTION
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return
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def read(self):
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"""
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"""
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try:
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xml = etree.parse(self._path)
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self._state = XMLReadState.NO_ERROR
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except Exception as exc:
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# Trying to open backup file instead
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logger.error("Failed to parse project xml", exc_info=exc)
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self._state = XMLReadState.CANNOT_PARSE
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backFile = self._path[:-3]+"bak"
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if os.path.isfile(backFile):
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try:
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xml = etree.parse(backFile)
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self._state = XMLReadState.PARSED_BACKUP
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logger.info("Backup project file parsed")
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except Exception as exc:
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logger.error("Failed to parse backup project xml", exc_info=exc)
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self._state = XMLReadState.CANNOT_PARSE
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return False
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else:
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return False
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return True
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##
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# Internal Functions
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##
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# END Class ProjectXMLReader
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class ProjectXMLWriter:
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def __init__(self, path):
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self._path = path
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self._error = None
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return
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def write(self):
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return
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##
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# Internal Functions
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##
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# END Class ProjectXMLWriter
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