414 lines
18 KiB
Python
414 lines
18 KiB
Python
import fnmatch
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import glob
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import os
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import re
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import sys
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from itertools import dropwhile
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from optparse import make_option
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import django
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from django.core.management.base import CommandError, NoArgsCommand
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from django.core.management.utils import (handle_extensions, find_command,
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popen_wrapper)
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from django.utils.functional import total_ordering
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from django.utils.text import get_text_list
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from django.utils.jslex import prepare_js_for_gettext
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plural_forms_re = re.compile(r'^(?P<value>"Plural-Forms.+?\\n")\s*$', re.MULTILINE | re.DOTALL)
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STATUS_OK = 0
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def check_programs(*programs):
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for program in programs:
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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 "
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"gettext tools 0.15 or newer installed." % program)
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@total_ordering
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class TranslatableFile(object):
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def __init__(self, dirpath, file_name):
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self.file = file_name
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self.dirpath = dirpath
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def __repr__(self):
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return "<TranslatableFile: %s>" % os.sep.join([self.dirpath, self.file])
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def __eq__(self, other):
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return self.dirpath == other.dirpath and self.file == other.file
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def __lt__(self, other):
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if self.dirpath == other.dirpath:
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return self.file < other.file
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return self.dirpath < other.dirpath
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def process(self, command, potfile, domain, keep_pot=False):
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"""
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Extract translatable literals from self.file for :param domain:
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creating or updating the :param potfile: POT file.
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Uses the xgettext GNU gettext utility.
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"""
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from django.utils.translation import templatize
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if command.verbosity > 1:
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command.stdout.write('processing file %s in %s\n' % (self.file, self.dirpath))
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_, file_ext = os.path.splitext(self.file)
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if domain == 'djangojs' and file_ext in command.extensions:
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is_templatized = True
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orig_file = os.path.join(self.dirpath, self.file)
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with open(orig_file) as fp:
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src_data = fp.read()
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src_data = prepare_js_for_gettext(src_data)
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thefile = '%s.c' % self.file
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work_file = os.path.join(self.dirpath, thefile)
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with open(work_file, "w") as fp:
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fp.write(src_data)
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args = [
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'xgettext',
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'-d', domain,
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'--language=C',
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'--keyword=gettext_noop',
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'--keyword=gettext_lazy',
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'--keyword=ngettext_lazy:1,2',
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'--keyword=pgettext:1c,2',
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'--keyword=npgettext:1c,2,3',
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'--from-code=UTF-8',
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'--add-comments=Translators',
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'--output=-'
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]
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if command.wrap:
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args.append(command.wrap)
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if command.location:
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args.append(command.location)
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args.append(work_file)
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elif domain == 'django' and (file_ext == '.py' or file_ext in command.extensions):
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thefile = self.file
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orig_file = os.path.join(self.dirpath, self.file)
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is_templatized = file_ext in command.extensions
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if is_templatized:
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with open(orig_file, "rU") as fp:
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src_data = fp.read()
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thefile = '%s.py' % self.file
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content = templatize(src_data, orig_file[2:])
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with open(os.path.join(self.dirpath, thefile), "w") as fp:
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fp.write(content)
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work_file = os.path.join(self.dirpath, thefile)
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args = [
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'xgettext',
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'-d', domain,
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'--language=Python',
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'--keyword=gettext_noop',
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'--keyword=gettext_lazy',
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'--keyword=ngettext_lazy:1,2',
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'--keyword=ugettext_noop',
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'--keyword=ugettext_lazy',
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'--keyword=ungettext_lazy:1,2',
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'--keyword=pgettext:1c,2',
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'--keyword=npgettext:1c,2,3',
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'--keyword=pgettext_lazy:1c,2',
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'--keyword=npgettext_lazy:1c,2,3',
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'--from-code=UTF-8',
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'--add-comments=Translators',
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'--output=-'
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]
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if command.wrap:
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args.append(command.wrap)
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if command.location:
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args.append(command.location)
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args.append(work_file)
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else:
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return
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msgs, errors, status = popen_wrapper(args)
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if errors:
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if status != STATUS_OK:
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if is_templatized:
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os.unlink(work_file)
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if not keep_pot and os.path.exists(potfile):
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os.unlink(potfile)
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raise CommandError(
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"errors happened while running xgettext on %s\n%s" %
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(self.file, errors))
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elif command.verbosity > 0:
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# Print warnings
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command.stdout.write(errors)
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if msgs:
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if is_templatized:
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old = '#: ' + work_file[2:]
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new = '#: ' + orig_file[2:]
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msgs = msgs.replace(old, new)
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write_pot_file(potfile, msgs)
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if is_templatized:
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os.unlink(work_file)
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def write_pot_file(potfile, msgs):
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"""
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Write the :param potfile: POT file with the :param msgs: contents,
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previously making sure its format is valid.
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"""
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if os.path.exists(potfile):
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# Strip the header
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msgs = '\n'.join(dropwhile(len, msgs.split('\n')))
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else:
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msgs = msgs.replace('charset=CHARSET', 'charset=UTF-8')
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with open(potfile, 'a') as fp:
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fp.write(msgs)
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class Command(NoArgsCommand):
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option_list = NoArgsCommand.option_list + (
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make_option('--locale', '-l', default=None, dest='locale', action='append',
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help='Creates or updates the message files for the given locale(s) (e.g. pt_BR). '
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'Can be used multiple times, accepts a comma-separated list of locale names.'),
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make_option('--domain', '-d', default='django', dest='domain',
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help='The domain of the message files (default: "django").'),
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make_option('--all', '-a', action='store_true', dest='all',
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default=False, help='Updates the message files for all existing locales.'),
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make_option('--extension', '-e', dest='extensions',
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help='The file extension(s) to examine (default: "html,txt", or "js" if the domain is "djangojs"). Separate multiple extensions with commas, or use -e multiple times.',
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action='append'),
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make_option('--symlinks', '-s', action='store_true', dest='symlinks',
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default=False, help='Follows symlinks to directories when examining source code and templates for translation strings.'),
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make_option('--ignore', '-i', action='append', dest='ignore_patterns',
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default=[], metavar='PATTERN', help='Ignore files or directories matching this glob-style pattern. Use multiple times to ignore more.'),
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make_option('--no-default-ignore', action='store_false', dest='use_default_ignore_patterns',
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default=True, help="Don't ignore the common glob-style patterns 'CVS', '.*', '*~' and '*.pyc'."),
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make_option('--no-wrap', action='store_true', dest='no_wrap',
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default=False, help="Don't break long message lines into several lines."),
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make_option('--no-location', action='store_true', dest='no_location',
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default=False, help="Don't write '#: filename:line' lines."),
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make_option('--no-obsolete', action='store_true', dest='no_obsolete',
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default=False, help="Remove obsolete message strings."),
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make_option('--keep-pot', action='store_true', dest='keep_pot',
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default=False, help="Keep .pot file after making messages. Useful when debugging."),
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)
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help = ("Runs over the entire source tree of the current directory and "
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"pulls out all strings marked for translation. It creates (or updates) a message "
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"file in the conf/locale (in the django tree) or locale (for projects and "
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"applications) directory.\n\nYou must run this command with one of either the "
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"--locale or --all options.")
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requires_model_validation = False
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leave_locale_alone = True
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def handle_noargs(self, *args, **options):
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locale = options.get('locale')
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self.domain = options.get('domain')
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self.verbosity = int(options.get('verbosity'))
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process_all = options.get('all')
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extensions = options.get('extensions')
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self.symlinks = options.get('symlinks')
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ignore_patterns = options.get('ignore_patterns')
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if options.get('use_default_ignore_patterns'):
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ignore_patterns += ['CVS', '.*', '*~', '*.pyc']
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self.ignore_patterns = list(set(ignore_patterns))
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self.wrap = '--no-wrap' if options.get('no_wrap') else ''
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self.location = '--no-location' if options.get('no_location') else ''
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self.no_obsolete = options.get('no_obsolete')
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self.keep_pot = options.get('keep_pot')
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if self.domain not in ('django', 'djangojs'):
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raise CommandError("currently makemessages only supports domains "
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"'django' and 'djangojs'")
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if self.domain == 'djangojs':
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exts = extensions if extensions else ['js']
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else:
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exts = extensions if extensions else ['html', 'txt']
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self.extensions = handle_extensions(exts)
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if (locale is None and not process_all) or self.domain is None:
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raise CommandError("Type '%s help %s' for usage information." % (
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os.path.basename(sys.argv[0]), sys.argv[1]))
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if self.verbosity > 1:
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self.stdout.write('examining files with the extensions: %s\n'
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% get_text_list(list(self.extensions), 'and'))
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# Need to ensure that the i18n framework is enabled
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from django.conf import settings
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if settings.configured:
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settings.USE_I18N = True
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else:
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settings.configure(USE_I18N = True)
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self.invoked_for_django = False
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if os.path.isdir(os.path.join('conf', 'locale')):
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localedir = os.path.abspath(os.path.join('conf', 'locale'))
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self.invoked_for_django = True
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# Ignoring all contrib apps
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self.ignore_patterns += ['contrib/*']
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elif os.path.isdir('locale'):
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localedir = os.path.abspath('locale')
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else:
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raise CommandError("This script should be run from the Django Git "
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"tree or your project or app tree. If you did indeed run it "
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"from the Git checkout or your project or application, "
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"maybe you are just missing the conf/locale (in the django "
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"tree) or locale (for project and application) directory? It "
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"is not created automatically, you have to create it by hand "
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"if you want to enable i18n for your project or application.")
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check_programs('xgettext')
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potfile = self.build_pot_file(localedir)
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# Build po files for each selected locale
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locales = []
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if locale is not None:
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locales += locale.split(',') if not isinstance(locale, list) else locale
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elif process_all:
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locale_dirs = filter(os.path.isdir, glob.glob('%s/*' % localedir))
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locales = [os.path.basename(l) for l in locale_dirs]
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if locales:
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check_programs('msguniq', 'msgmerge', 'msgattrib')
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try:
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for locale in locales:
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if self.verbosity > 0:
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self.stdout.write("processing locale %s\n" % locale)
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self.write_po_file(potfile, locale)
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finally:
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if not self.keep_pot and os.path.exists(potfile):
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os.unlink(potfile)
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def build_pot_file(self, localedir):
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file_list = self.find_files(".")
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potfile = os.path.join(localedir, '%s.pot' % str(self.domain))
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if os.path.exists(potfile):
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# Remove a previous undeleted potfile, if any
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os.unlink(potfile)
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for f in file_list:
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try:
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f.process(self, potfile, self.domain, self.keep_pot)
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except UnicodeDecodeError:
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self.stdout.write("UnicodeDecodeError: skipped file %s in %s" % (f.file, f.dirpath))
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return potfile
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def find_files(self, root):
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"""
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Helper method to get all files in the given root.
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"""
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def is_ignored(path, ignore_patterns):
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"""
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Check if the given path should be ignored or not.
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"""
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filename = os.path.basename(path)
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ignore = lambda pattern: fnmatch.fnmatchcase(filename, pattern)
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return any(ignore(pattern) for pattern in ignore_patterns)
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dir_suffix = '%s*' % os.sep
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norm_patterns = [p[:-len(dir_suffix)] if p.endswith(dir_suffix) else p for p in self.ignore_patterns]
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all_files = []
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for dirpath, dirnames, filenames in os.walk(root, topdown=True, followlinks=self.symlinks):
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for dirname in dirnames[:]:
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if is_ignored(os.path.normpath(os.path.join(dirpath, dirname)), norm_patterns):
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dirnames.remove(dirname)
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if self.verbosity > 1:
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self.stdout.write('ignoring directory %s\n' % dirname)
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for filename in filenames:
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if is_ignored(os.path.normpath(os.path.join(dirpath, filename)), self.ignore_patterns):
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if self.verbosity > 1:
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self.stdout.write('ignoring file %s in %s\n' % (filename, dirpath))
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else:
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all_files.append(TranslatableFile(dirpath, filename))
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return sorted(all_files)
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def write_po_file(self, potfile, locale):
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"""
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Creates or updates the PO file for self.domain and :param locale:.
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Uses contents of the existing :param potfile:.
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Uses mguniq, msgmerge, and msgattrib GNU gettext utilities.
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"""
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args = ['msguniq', '--to-code=utf-8']
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if self.wrap:
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args.append(self.wrap)
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if self.location:
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args.append(self.location)
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args.append(potfile)
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msgs, errors, status = popen_wrapper(args)
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if errors:
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if status != STATUS_OK:
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raise CommandError(
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"errors happened while running msguniq\n%s" % errors)
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elif self.verbosity > 0:
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self.stdout.write(errors)
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basedir = os.path.join(os.path.dirname(potfile), locale, 'LC_MESSAGES')
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if not os.path.isdir(basedir):
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os.makedirs(basedir)
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pofile = os.path.join(basedir, '%s.po' % str(self.domain))
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if os.path.exists(pofile):
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with open(potfile, 'w') as fp:
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fp.write(msgs)
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args = ['msgmerge', '-q']
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if self.wrap:
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args.append(self.wrap)
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if self.location:
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args.append(self.location)
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args.extend([pofile, potfile])
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msgs, errors, status = popen_wrapper(args)
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if errors:
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if status != STATUS_OK:
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raise CommandError(
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"errors happened while running msgmerge\n%s" % errors)
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elif self.verbosity > 0:
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self.stdout.write(errors)
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elif not self.invoked_for_django:
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msgs = self.copy_plural_forms(msgs, locale)
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msgs = msgs.replace(
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"#. #-#-#-#-# %s.pot (PACKAGE VERSION) #-#-#-#-#\n" % self.domain, "")
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with open(pofile, 'w') as fp:
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fp.write(msgs)
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if self.no_obsolete:
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args = ['msgattrib', '-o', pofile, '--no-obsolete']
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if self.wrap:
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args.append(self.wrap)
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if self.location:
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args.append(self.location)
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args.append(pofile)
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msgs, errors, status = popen_wrapper(args)
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if errors:
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if status != STATUS_OK:
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raise CommandError(
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"errors happened while running msgattrib\n%s" % errors)
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elif self.verbosity > 0:
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self.stdout.write(errors)
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def copy_plural_forms(self, msgs, locale):
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"""
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Copies plural forms header contents from a Django catalog of locale to
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the msgs string, inserting it at the right place. msgs should be the
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contents of a newly created .po file.
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"""
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django_dir = os.path.normpath(os.path.join(os.path.dirname(django.__file__)))
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if self.domain == 'djangojs':
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domains = ('djangojs', 'django')
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else:
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domains = ('django',)
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for domain in domains:
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django_po = os.path.join(django_dir, 'conf', 'locale', locale, 'LC_MESSAGES', '%s.po' % domain)
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if os.path.exists(django_po):
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with open(django_po, 'rU') as fp:
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m = plural_forms_re.search(fp.read())
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if m:
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if self.verbosity > 1:
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self.stdout.write("copying plural forms: %s\n" % m.group('value'))
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lines = []
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seen = False
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for line in msgs.split('\n'):
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if not line and not seen:
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line = '%s\n' % m.group('value')
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seen = True
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lines.append(line)
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msgs = '\n'.join(lines)
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break
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return msgs
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