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#!/usr/bin/env python3
# $Id: prepstyles.py 9386 2023-05-16 14:49:31Z milde $
# Author: Dave Kuhlman <dkuhlman@rexx.com>
# Copyright: This module has been placed in the public domain.
"""
Adapt a word-processor-generated styles.odt for odtwriter use:
Drop page size specifications from styles.xml in STYLE_FILE.odt.
See https://docutils.sourceforge.io/docs/user/odt.html#page-size
"""
# Author: Michael Schutte <michi@uiae.at>
from xml.etree import ElementTree as etree
import sys
import zipfile
from tempfile import mkstemp
import shutil
import os
NAMESPACES = {
"style": "urn:oasis:names:tc:opendocument:xmlns:style:1.0",
"fo": "urn:oasis:names:tc:opendocument:xmlns:xsl-fo-compatible:1.0"
}
def prepstyle(filename):
zin = zipfile.ZipFile(filename)
styles = zin.open("styles.xml")
root = None
# some extra effort to preserve namespace prefixes
for event, elem in etree.iterparse(styles, events=("start", "start-ns")):
if event == "start-ns":
etree.register_namespace(elem[0], elem[1])
elif event == "start":
if root is None:
root = elem
styles.close()
for el in root.findall(".//style:page-layout-properties",
namespaces=NAMESPACES):
for attr in list(el.attrib):
if attr.startswith("{%s}" % NAMESPACES["fo"]):
del el.attrib[attr]
tempname = mkstemp()
zout = zipfile.ZipFile(os.fdopen(tempname[0], "wb"), "w",
zipfile.ZIP_DEFLATED)
for item in zin.infolist():
if item.filename == "styles.xml":
zout.writestr(item, etree.tostring(root, encoding="UTF-8"))
else:
zout.writestr(item, zin.read(item.filename))
zout.close()
zin.close()
shutil.move(tempname[1], filename)
def main():
args = sys.argv[1:]
if len(args) != 1 or args[0] in ('-h', '--help'):
print(__doc__, file=sys.stderr)
print("Usage: %s STYLE_FILE.odt\n" % sys.argv[0], file=sys.stderr)
sys.exit(1)
filename = args[0]
prepstyle(filename)
if __name__ == '__main__':
main()
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