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i18nmessages.py
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i18nmessages.py
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#!/usr/bin/python
# -*- coding: utf-8 -*-
#############################################################################
#
# Copyright © Dragon Dollar Limited
# contact: [email protected]
#
# This software is a collection of webservices designed to provide a secure
# and scalable framework to build e-commerce websites.
#
# This software is governed by the CeCILL-B license under French law and
# abiding by the rules of distribution of free software. You can use,
# modify and/ or redistribute the software under the terms of the CeCILL-B
# license as circulated by CEA, CNRS and INRIA at the following URL
# " http://www.cecill.info".
#
# As a counterpart to the access to the source code and rights to copy,
# modify and redistribute granted by the license, users are provided only
# with a limited warranty and the software's author, the holder of the
# economic rights, and the successive licensors have only limited
# liability.
#
# In this respect, the user's attention is drawn to the risks associated
# with loading, using, modifying and/or developing or reproducing the
# software by the user in light of its specific status of free software,
# that may mean that it is complicated to manipulate, and that also
# therefore means that it is reserved for developers and experienced
# professionals having in-depth computer knowledge. Users are therefore
# encouraged to load and test the software's suitability as regards their
# requirements in conditions enabling the security of their systems and/or
# data to be ensured and, more generally, to use and operate it in the
# same conditions as regards security.
#
# The fact that you are presently reading this means that you have had
# knowledge of the CeCILL-B license and that you accept its terms.
#
#############################################################################
import argparse
import codecs
import glob
import os
import re
import sys
from itertools import dropwhile
from subprocess import PIPE, Popen
configs = {
'backoffice': {
'dir': 'backtoshops',
'localedir': 'backtoshops/locale',
'extensions': ['.html'],
},
'front': {
'dir': 'front',
'localedir': 'locale',
'extensions': ['.html'],
},
}
class CommandError(Exception):
pass
def _popen(cmd):
p = Popen(cmd, shell=True, stdout=PIPE, stderr=PIPE,
close_fds=os.name != 'nt', universal_newlines=True)
return p.communicate()
def _popen2(cmd):
p = Popen(cmd, shell=True, stdout=PIPE, stderr=PIPE,
close_fds=os.name != 'nt', universal_newlines=True)
text, errors = p.communicate()
if p.returncode == 0:
if errors and not text:
text = errors
else:
raise CommandError("errors happened while running '%s'\n%s"
% (cmd, errors))
sys.stdout.write(text)
return text
def find_files(domain):
files = []
if domain in configs:
path_pattern = '%s/*' % configs[domain]['dir']
extensions = configs[domain]['extensions']
while glob.glob(path_pattern):
for ext in ['.py'] + extensions:
_all = glob.glob('%s%s' % (path_pattern, ext))
files += filter(os.path.isfile, _all)
path_pattern += '/*'
files.sort()
return files
def makemessages(domain, locale):
if domain:
domains = [domain]
else:
domains = configs.keys()
for d in domains:
if d in configs:
sys.stdout.write("domain: %s\n" % d)
locales = _get_locales(locale, configs[d]['localedir'])
if d == 'backoffice':
if locales:
for _locale in locales:
cmd = ";".join([
"cd %s" % configs[d]['dir'],
"./manage.py makemessages --locale=%s" % _locale])
_popen2(cmd)
else:
cmd = ";".join([
"cd %s" % configs[d]['dir'],
"./manage.py makemessages"])
_popen2(cmd)
else:
for _locale in locales:
_makemessages(d, _locale,
configs[d]['localedir'],
configs[d]['extensions'])
else:
sys.stdout.write("invalid domain: %s\n" % d)
def _get_locales(locale, localedir):
languages = []
if locale is not None:
languages.append(locale)
else:
locale_dirs = filter(os.path.isdir, glob.glob('%s/*' % localedir))
languages = [os.path.basename(d) for d in locale_dirs]
return languages
def _makemessages(domain, locale, localedir, extensions):
sys.stdout.write("processing language %s\n" % locale)
basedir = os.path.join(localedir, locale, 'LC_MESSAGES')
if not os.path.isdir(basedir):
os.makedirs(basedir)
pofile = '%s/%s.po' % (basedir, domain)
potfile = '%s/%s.pot' % (basedir, domain)
if os.path.exists(potfile):
os.unlink(potfile)
for ff_name in find_files(domain):
dirpath, f_name = os.path.split(ff_name)
file_base, file_ext = os.path.splitext(f_name)
if domain == 'front' \
and (file_ext == '.py' or file_ext in extensions):
thefile = f_name
if file_ext in extensions:
thefile = '%s.py' % f_name
import tenjin
src = tenjin.Template(ff_name).script
with open(os.path.join(dirpath, thefile), "w") as f:
f.write(src)
else:
continue
cmd = (
'xgettext -d %s -L Python --keyword=gettext_noop '
'--keyword=gettext_lazy --keyword=ngettext_lazy:1,2 '
'--keyword=ugettext_noop --keyword=ugettext_lazy '
'--keyword=ungettext_lazy:1,2 --keyword=pgettext:1c,2 '
'--keyword=npgettext:1c,2,3 --keyword=pgettext_lazy:1c,2 '
'--keyword=npgettext_lazy:1c,2,3 --from-code UTF-8 '
'--add-comments=Translators -o - "%s"' % (
domain, os.path.join(dirpath, thefile))
)
msgs, errors = _popen(cmd)
if errors:
if thefile != f_name:
os.unlink(os.path.join(dirpath, thefile))
if os.path.exists(potfile):
os.unlink(potfile)
raise CommandError(
"errors happened while running xgettext on %s\n%s" %
(f_name, errors))
if msgs:
if thefile != f_name:
old = '#: ' + os.path.join(dirpath, thefile)
new = '#: ' + ff_name
msgs = msgs.replace(old, new)
if os.path.exists(potfile):
# Strip the header
msgs = '\n'.join(dropwhile(len, msgs.split('\n')))
else:
msgs = msgs.replace('charset=CHARSET', 'charset=UTF-8')
with open(potfile, 'ab') as f:
f.write(msgs)
if thefile != f_name:
os.unlink(os.path.join(dirpath, thefile))
if os.path.exists(potfile):
msgs, errors = _popen('msguniq --to-code=utf-8 "%s"' % potfile)
if errors:
os.unlink(potfile)
raise CommandError(
"errors happened while running msguniq\n%s" % errors)
if os.path.exists(pofile):
with open(potfile, 'w') as f:
f.write(msgs)
msgs, errors = _popen('msgmerge -q "%s" "%s"' %
(pofile, potfile))
if errors:
os.unlink(potfile)
raise CommandError(
"errors happened while running msgmerge\n%s" % errors)
with open(pofile, 'wb') as f:
f.write(msgs)
os.unlink(potfile)
def compilemessages(domain, locale):
if domain:
domains = [domain]
else:
domains = configs.keys()
for d in domains:
if d in configs:
sys.stdout.write("domain: %s\n" % d)
if d == 'backoffice':
if locale:
cmd = ";".join([
"cd %s" % configs[d]['dir'],
"./manage.py compilemessages --locale=%s" % locale,
])
_popen2(cmd)
else:
cmd = ";".join([
"cd %s" % configs[d]['dir'],
"./manage.py compilemessages",
])
_popen2(cmd)
else:
_compilemessages(d, locale,
configs[d]['localedir'])
else:
sys.stdout.write("invalid domain: %s\n" % d)
def _compilemessages(domain, locale, localedir):
basedirs = [localedir]
basedirs = set(map(os.path.abspath, filter(os.path.isdir, basedirs)))
for basedir in basedirs:
if locale:
basedir = os.path.join(basedir, locale, 'LC_MESSAGES')
for dirpath, dirnames, filenames in os.walk(basedir):
for f in filenames:
if f.endswith('.po'):
sys.stdout.write('processing file %s in %s\n' % (f, dirpath))
fn = os.path.join(dirpath, f)
if has_bom(fn):
raise CommandError("The %s file has a BOM (Byte Order Mark). "
"only supports .po files encoded in UTF-8 and without any BOM." % fn)
pf = os.path.splitext(fn)[0]
# Store the names of the .mo and .po files in an environment
# variable, rather than doing a string replacement into the
# command, so that we can take advantage of shell quoting, to
# quote any malicious characters/escaping.
# See http://cyberelk.net/tim/articles/cmdline/ar01s02.html
os.environ['compilemo'] = pf + '.mo'
os.environ['compilepo'] = pf + '.po'
cmd = 'msgfmt --check-format -o "$compilemo" "$compilepo"'
os.system(cmd)
def has_bom(fn):
f = open(fn, 'r')
sample = f.read(4)
return sample[:3] == '\xef\xbb\xbf' or \
sample.startswith(codecs.BOM_UTF16_LE) or \
sample.startswith(codecs.BOM_UTF16_BE)
if __name__ == '__main__':
parser = argparse.ArgumentParser(description='i18ntext')
parser.add_argument('action', metavar='action',
choices=['make', 'compile'])
parser.add_argument('-l', '--locale', action='store')
parser.add_argument('-d', '--domain', action='store',
choices=['backoffice', 'front'])
try:
args = parser.parse_args()
if args.action == 'make':
makemessages(args.domain, args.locale)
elif args.action == 'compile':
compilemessages(args.domain, args.locale)
else:
parser.print_help()
sys.exit(1)
except CommandError, e:
sys.stderr.write(str(e))
sys.exit(1)