72 lines
3.0 KiB
Python
72 lines
3.0 KiB
Python
from __future__ import unicode_literals
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import codecs
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import os
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from optparse import make_option
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from django.core.management.base import BaseCommand, CommandError
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from django.core.management.utils import find_command, popen_wrapper
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from django.utils._os import npath
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def has_bom(fn):
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with open(fn, 'rb') as f:
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sample = f.read(4)
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return sample[:3] == b'\xef\xbb\xbf' or \
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sample.startswith(codecs.BOM_UTF16_LE) or \
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sample.startswith(codecs.BOM_UTF16_BE)
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def compile_messages(stderr, locale=None):
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program = 'msgfmt'
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if find_command(program) is None:
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raise CommandError("Can't find %s. Make sure you have GNU gettext tools 0.15 or newer installed." % program)
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basedirs = [os.path.join('conf', 'locale'), 'locale']
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if os.environ.get('DJANGO_SETTINGS_MODULE'):
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from django.conf import settings
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basedirs.extend(settings.LOCALE_PATHS)
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# Gather existing directories.
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basedirs = set(map(os.path.abspath, filter(os.path.isdir, basedirs)))
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if not basedirs:
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raise CommandError("This script should be run from the Django Git checkout or your project or app tree, or with the settings module specified.")
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for basedir in basedirs:
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if locale:
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dirs = [os.path.join(basedir, l, 'LC_MESSAGES') for l in (locale if isinstance(locale, list) else [locale])]
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else:
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dirs = [basedir]
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for ldir in dirs:
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for dirpath, dirnames, filenames in os.walk(ldir):
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for f in filenames:
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if not f.endswith('.po'):
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continue
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stderr.write('processing file %s in %s\n' % (f, dirpath))
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fn = os.path.join(dirpath, f)
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if has_bom(fn):
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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)
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pf = os.path.splitext(fn)[0]
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args = [program, '--check-format', '-o', npath(pf + '.mo'), npath(pf + '.po')]
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output, errors, status = popen_wrapper(args)
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if status:
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if errors:
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msg = "Execution of %s failed: %s" % (program, errors)
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else:
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msg = "Execution of %s failed" % program
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raise CommandError(msg)
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class Command(BaseCommand):
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option_list = BaseCommand.option_list + (
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make_option('--locale', '-l', dest='locale', action='append',
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help='locale(s) to process (e.g. de_AT). Default is to process all. Can be used multiple times, accepts a comma-separated list of locale names.'),
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)
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help = 'Compiles .po files to .mo files for use with builtin gettext support.'
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requires_model_validation = False
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leave_locale_alone = True
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def handle(self, **options):
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locale = options.get('locale')
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compile_messages(self.stderr, locale=locale)
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