django1/django/core/management/commands/compilemessages.py

66 lines
2.8 KiB
Python

from __future__ import unicode_literals
import codecs
import os
import sys
from optparse import make_option
from django.core.management.base import BaseCommand, CommandError
def has_bom(fn):
with open(fn, 'rb') as f:
sample = f.read(4)
return sample[:3] == b'\xef\xbb\xbf' or \
sample.startswith(codecs.BOM_UTF16_LE) or \
sample.startswith(codecs.BOM_UTF16_BE)
def compile_messages(stderr, locale=None):
basedirs = [os.path.join('conf', 'locale'), 'locale']
if os.environ.get('DJANGO_SETTINGS_MODULE'):
from django.conf import settings
basedirs.extend(settings.LOCALE_PATHS)
# Gather existing directories.
basedirs = set(map(os.path.abspath, filter(os.path.isdir, basedirs)))
if not basedirs:
raise CommandError("This script should be run from the Django Git checkout or your project or app tree, or with the settings module specified.")
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'):
stderr.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). Django 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['djangocompilemo'] = pf + '.mo'
os.environ['djangocompilepo'] = pf + '.po'
if sys.platform == 'win32': # Different shell-variable syntax
cmd = 'msgfmt --check-format -o "%djangocompilemo%" "%djangocompilepo%"'
else:
cmd = 'msgfmt --check-format -o "$djangocompilemo" "$djangocompilepo"'
os.system(cmd)
class Command(BaseCommand):
option_list = BaseCommand.option_list + (
make_option('--locale', '-l', dest='locale',
help='The locale to process. Default is to process all.'),
)
help = 'Compiles .po files to .mo files for use with builtin gettext support.'
requires_model_validation = False
can_import_settings = False
def handle(self, **options):
locale = options.get('locale')
compile_messages(self.stderr, locale=locale)