i18n.py
author Aurelien Campeas <aurelien.campeas@logilab.fr>
Mon, 06 Jan 2014 12:01:35 +0100
changeset 9383 7b3fa5a7a5a3
parent 8695 358d8bed9626
child 10589 7c23b7de2b8d
permissions -rw-r--r--
[views/dot] use an inlined svg for schema and workflow graphs These are currently served as "temporary" pngs which are actually consummed immediately. Which means they cannot be requested twice and any further attempt will yield an error in the logs and some end-user surprise. There is no known acceptable workaround for IE-8 (and previous versions). SVGWEB could be workable but it's not trivial to integrate it properly. Closes #3400448.
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
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# copyright 2003-2010 LOGILAB S.A. (Paris, FRANCE), all rights reserved.
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# contact http://www.logilab.fr/ -- mailto:contact@logilab.fr
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#
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# This file is part of CubicWeb.
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#
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# CubicWeb is free software: you can redistribute it and/or modify it under the
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# terms of the GNU Lesser General Public License as published by the Free
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# Software Foundation, either version 2.1 of the License, or (at your option)
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# any later version.
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#
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# CubicWeb is distributed in the hope that it will be useful, but WITHOUT
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# ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
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# FOR A PARTICULAR PURPOSE.  See the GNU Lesser General Public License for more
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# details.
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#
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# You should have received a copy of the GNU Lesser General Public License along
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# with CubicWeb.  If not, see <http://www.gnu.org/licenses/>.
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"""Some i18n/gettext utilities."""
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__docformat__ = "restructuredtext en"
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import re
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import os
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from os.path import join, basename, splitext, exists
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from glob import glob
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from cubicweb.toolsutils import create_dir
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def extract_from_tal(files, output_file):
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    """extract i18n strings from tal and write them into the given output file
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    using standard python gettext marker (_)
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    """
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    output = open(output_file, 'w')
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    for filepath in files:
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        for match in re.finditer('i18n:(content|replace)="([^"]+)"', open(filepath).read()):
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            output.write('_("%s")' % match.group(2))
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    output.close()
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def add_msg(w, msgid, msgctx=None):
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    """write an empty pot msgid definition"""
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    if isinstance(msgid, unicode):
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        msgid = msgid.encode('utf-8')
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    if msgctx:
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        if isinstance(msgctx, unicode):
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            msgctx = msgctx.encode('utf-8')
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        w('msgctxt "%s"\n' % msgctx)
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    msgid = msgid.replace('"', r'\"').splitlines()
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    if len(msgid) > 1:
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        w('msgid ""\n')
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        for line in msgid:
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            w('"%s"' % line.replace('"', r'\"'))
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    else:
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        w('msgid "%s"\n' % msgid[0])
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    w('msgstr ""\n\n')
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def execute2(args):
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    # XXX replace this with check_output in Python 2.7
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    from subprocess import Popen, PIPE, CalledProcessError
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    p = Popen(args, stdout=PIPE, stderr=PIPE)
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    out, err = p.communicate()
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    if p.returncode != 0:
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        exc = CalledProcessError(p.returncode, args[0])
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        exc.cmd = args
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        exc.data = (out, err)
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        raise exc
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def available_catalogs(i18ndir=None):
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    if i18ndir is None:
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        wildcard = '*.po'
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    else:
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        wildcard = join(i18ndir, '*.po')
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    for popath in glob(wildcard):
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        lang = splitext(basename(popath))[0]
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        yield lang, popath
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def compile_i18n_catalogs(sourcedirs, destdir, langs):
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    """generate .mo files for a set of languages into the `destdir` i18n directory
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    """
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    from subprocess import CalledProcessError
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    from logilab.common.fileutils import ensure_fs_mode
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    print '-> compiling message catalogs to %s' % destdir
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    errors = []
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    for lang in langs:
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        langdir = join(destdir, lang, 'LC_MESSAGES')
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        if not exists(langdir):
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            create_dir(langdir)
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        pofiles = [join(path, '%s.po' % lang) for path in sourcedirs]
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        pofiles = [pof for pof in pofiles if exists(pof)]
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        mergedpo = join(destdir, '%s_merged.po' % lang)
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        try:
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            # merge instance/cubes messages catalogs with the stdlib's one
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            cmd = ['msgcat', '--use-first', '--sort-output', '--strict',
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                   '-o', mergedpo] + pofiles
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            execute2(cmd)
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            # make sure the .mo file is writeable and compiles with *msgfmt*
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            applmo = join(destdir, lang, 'LC_MESSAGES', 'cubicweb.mo')
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            try:
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                ensure_fs_mode(applmo)
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            except OSError:
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                pass # suppose not exists
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            execute2(['msgfmt', mergedpo, '-o', applmo])
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        except CalledProcessError as exc:
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            errors.append(u'while handling language %s:\ncmd:\n%s\nstdout:\n%s\nstderr:\n%s\n' %
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                          (lang, exc.cmd, repr(exc.data[0]), repr(exc.data[1])))
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        except Exception as exc:
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            errors.append(u'while handling language %s: %s' % (lang, exc))
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        try:
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            # clean everything
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            os.unlink(mergedpo)
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        except Exception:
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            continue
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    return errors