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# Copyright 2016 The Meson development team
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
# http://www.apache.org/licenses/LICENSE-2.0
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
from __future__ import annotations
import os
import argparse
import subprocess
import typing as T
parser = argparse.ArgumentParser()
parser.add_argument('command')
parser.add_argument('--pkgname', default='')
parser.add_argument('--datadirs', default='')
parser.add_argument('--langs', default='')
parser.add_argument('--localedir', default='')
parser.add_argument('--source-root', default='')
parser.add_argument('--subdir', default='')
parser.add_argument('--xgettext', default='xgettext')
parser.add_argument('--msgmerge', default='msgmerge')
parser.add_argument('--msginit', default='msginit')
parser.add_argument('--extra-args', default='')
def read_linguas(src_sub: str) -> T.List[str]:
# Syntax of this file is documented here:
# https://www.gnu.org/software/gettext/manual/html_node/po_002fLINGUAS.html
linguas = os.path.join(src_sub, 'LINGUAS')
try:
langs = []
with open(linguas, encoding='utf-8') as f:
for line in f:
line = line.strip()
if line and not line.startswith('#'):
langs += line.split()
return langs
except (FileNotFoundError, PermissionError):
print(f'Could not find file LINGUAS in {src_sub}')
return []
def run_potgen(src_sub: str, xgettext: str, pkgname: str, datadirs: str, args: T.List[str], source_root: str) -> int:
listfile = os.path.join(src_sub, 'POTFILES.in')
if not os.path.exists(listfile):
listfile = os.path.join(src_sub, 'POTFILES')
if not os.path.exists(listfile):
print('Could not find file POTFILES in %s' % src_sub)
return 1
child_env = os.environ.copy()
if datadirs:
child_env['GETTEXTDATADIRS'] = datadirs
ofile = os.path.join(src_sub, pkgname + '.pot')
return subprocess.call([xgettext, '--package-name=' + pkgname, '-p', src_sub, '-f', listfile,
'-D', source_root, '-k_', '-o', ofile] + args,
env=child_env)
def update_po(src_sub: str, msgmerge: str, msginit: str, pkgname: str, langs: T.List[str]) -> int:
potfile = os.path.join(src_sub, pkgname + '.pot')
for l in langs:
pofile = os.path.join(src_sub, l + '.po')
if os.path.exists(pofile):
subprocess.check_call([msgmerge, '-q', '-o', pofile, pofile, potfile])
else:
subprocess.check_call([msginit, '--input', potfile, '--output-file', pofile, '--locale', l, '--no-translator'])
return 0
def run(args: T.List[str]) -> int:
options = parser.parse_args(args)
subcmd = options.command
langs = options.langs.split('@@') if options.langs else None
extra_args = options.extra_args.split('@@') if options.extra_args else []
subdir = options.subdir
src_sub = os.path.join(options.source_root, subdir)
if not langs:
langs = read_linguas(src_sub)
if subcmd == 'pot':
return run_potgen(src_sub, options.xgettext, options.pkgname, options.datadirs, extra_args, options.source_root)
elif subcmd == 'update_po':
if run_potgen(src_sub, options.xgettext, options.pkgname, options.datadirs, extra_args, options.source_root) != 0:
return 1
return update_po(src_sub, options.msgmerge, options.msginit, options.pkgname, langs)
else:
print('Unknown subcommand.')
return 1
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