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#!/usr/bin/env python3
# Copyright (C) 2021 The Qt Company Ltd.
# SPDX-License-Identifier: LicenseRef-Qt-Commercial OR GPL-3.0-only WITH Qt-GPL-exception-1.0
"""Convert CLDR data to QLocaleXML
The CLDR data can be downloaded from CLDR_, which has a sub-directory
for each version; you need the ``core.zip`` file for your version of
choice (typically the latest). This script has had updates to cope up
to v38.1; for later versions, we may need adaptations. Unpack the
downloaded ``core.zip`` and check it has a common/main/ sub-directory:
pass the path of that root of the download to this script as its first
command-line argument. Pass the name of the file in which to write
output as the second argument; either omit it or use '-' to select the
standard output. This file is the input needed by
``./qlocalexml2cpp.py``
When you update the CLDR data, be sure to also update
src/corelib/text/qt_attribution.json's entry for unicode-cldr. Check
this script's output for unknown language, territory or script messages;
if any can be resolved, use their entry in common/main/en.xml to
append new entries to enumdata.py's lists and update documentation in
src/corelib/text/qlocale.qdoc, adding the new entries in alphabetic
order.
While updating the locale data, check also for updates to MS-Win's
time zone names; see cldr2qtimezone.py for details.
All the scripts mentioned support --help to tell you how to use them.
.. _CLDR: https://unicode.org/Public/cldr/
"""
from pathlib import Path
import sys
import argparse
from cldr import CldrReader
from qlocalexml import QLocaleXmlWriter
def main(out, err):
all_calendars = ['gregorian', 'persian', 'islamic'] # 'hebrew'
parser = argparse.ArgumentParser(
description='Generate QLocaleXML from CLDR data.',
formatter_class=argparse.ArgumentDefaultsHelpFormatter)
parser.add_argument('cldr_path', help='path to the root of the CLDR tree')
parser.add_argument('out_file', help='output XML file name',
nargs='?', metavar='out-file.xml')
parser.add_argument('--calendars', help='select calendars to emit data for',
nargs='+', metavar='CALENDAR',
choices=all_calendars, default=all_calendars)
args = parser.parse_args()
root = Path(args.cldr_path)
root_xml_path = 'common/main/root.xml'
if not root.joinpath(root_xml_path).exists():
parser.error('First argument is the root of the CLDR tree: '
f'found no {root_xml_path} under {root}')
xml = args.out_file
if not xml or xml == '-':
emit = out
elif not xml.endswith('.xml'):
parser.error(f'Please use a .xml extension on your output file name, not {xml}')
else:
try:
emit = open(xml, 'w')
except IOError as e:
parser.error(f'Failed to open "{xml}" to write output to it')
# TODO - command line options to tune choice of grumble and whitter:
reader = CldrReader(root, err.write, err.write)
writer = QLocaleXmlWriter(emit.write)
writer.version(reader.root.cldrVersion)
writer.enumData()
writer.likelySubTags(reader.likelySubTags())
writer.locales(reader.readLocales(args.calendars), args.calendars)
writer.close(err.write)
return 0
if __name__ == '__main__':
sys.exit(main(sys.stdout, sys.stderr))
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