Drop python2 support
This mostly consists in removing the dependency on "six" and updating
the code to use only Python3 idioms.
Notice that we previously used TemporaryDirectory from
cubicweb.devtools.testlib for compatibility with Python2. We now
directly import it from tempfile.
# copyright 2003-2010 LOGILAB S.A. (Paris, FRANCE), all rights reserved.
# contact http://www.logilab.fr/ -- mailto:contact@logilab.fr
#
# This file is part of CubicWeb.
#
# CubicWeb is free software: you can redistribute it and/or modify it under the
# terms of the GNU Lesser General Public License as published by the Free
# Software Foundation, either version 2.1 of the License, or (at your option)
# any later version.
#
# CubicWeb is distributed in the hope that it will be useful, but WITHOUT
# ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
# FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License for more
# details.
#
# You should have received a copy of the GNU Lesser General Public License along
# with CubicWeb. If not, see <http://www.gnu.org/licenses/>.
"""Some i18n/gettext utilities."""
import re
import os
from os.path import join, basename, splitext, exists
from glob import glob
from cubicweb.toolsutils import create_dir
def extract_from_tal(files, output_file):
"""extract i18n strings from tal and write them into the given output file
using standard python gettext marker (_)
"""
output = open(output_file, 'w')
for filepath in files:
for match in re.finditer('i18n:(content|replace)="([^"]+)"', open(filepath).read()):
output.write('_("%s")' % match.group(2))
output.close()
def add_msg(w, msgid, msgctx=None):
"""write an empty pot msgid definition"""
if msgctx:
w('msgctxt "%s"\n' % msgctx)
msgid = msgid.replace('"', r'\"').splitlines()
if len(msgid) > 1:
w('msgid ""\n')
for line in msgid:
w('"%s"' % line.replace('"', r'\"'))
else:
w('msgid "%s"\n' % msgid[0])
w('msgstr ""\n\n')
def execute2(args):
# XXX replace this with check_output in Python 2.7
from subprocess import Popen, PIPE, CalledProcessError
p = Popen(args, stdout=PIPE, stderr=PIPE)
out, err = p.communicate()
if p.returncode != 0:
exc = CalledProcessError(p.returncode, args[0])
exc.cmd = args
exc.data = (out, err)
raise exc
def available_catalogs(i18ndir=None):
if i18ndir is None:
wildcard = '*.po'
else:
wildcard = join(i18ndir, '*.po')
for popath in glob(wildcard):
lang = splitext(basename(popath))[0]
yield lang, popath
def compile_i18n_catalogs(sourcedirs, destdir, langs):
"""generate .mo files for a set of languages into the `destdir` i18n directory
"""
from subprocess import CalledProcessError
from logilab.common.fileutils import ensure_fs_mode
print('-> compiling message catalogs to %s' % destdir)
errors = []
for lang in langs:
langdir = join(destdir, lang, 'LC_MESSAGES')
if not exists(langdir):
create_dir(langdir)
pofiles = [join(path, '%s.po' % lang) for path in sourcedirs]
pofiles = [pof for pof in pofiles if exists(pof)]
mergedpo = join(destdir, '%s_merged.po' % lang)
try:
# merge instance/cubes messages catalogs with the stdlib's one
cmd = ['msgcat', '--use-first', '--sort-output', '--strict',
'-o', mergedpo] + pofiles
execute2(cmd)
# make sure the .mo file is writeable and compiles with *msgfmt*
applmo = join(destdir, lang, 'LC_MESSAGES', 'cubicweb.mo')
try:
ensure_fs_mode(applmo)
except OSError:
pass # suppose not exists
execute2(['msgfmt', mergedpo, '-o', applmo])
except CalledProcessError as exc:
errors.append(u'while handling language %s:\ncmd:\n%s\nstdout:\n%s\nstderr:\n%s\n' %
(lang, exc.cmd, repr(exc.data[0]), repr(exc.data[1])))
except Exception as exc:
errors.append(u'while handling language %s: %s' % (lang, exc))
try:
# clean everything
os.unlink(mergedpo)
except Exception:
continue
return errors