395 lines
17 KiB
Python
395 lines
17 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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from subprocess import PIPE, Popen
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import django
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from django.core.management.base import CommandError, NoArgsCommand
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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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def handle_extensions(extensions=('html',), ignored=('py',)):
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"""
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Organizes multiple extensions that are separated with commas or passed by
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using --extension/-e multiple times. Note that the .py extension is ignored
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here because of the way non-*.py files are handled in make_messages() (they
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are copied to file.ext.py files to trick xgettext to parse them as Python
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files).
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For example: running 'django-admin makemessages -e js,txt -e xhtml -a'
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would result in an extension list: ['.js', '.txt', '.xhtml']
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>>> handle_extensions(['.html', 'html,js,py,py,py,.py', 'py,.py'])
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set(['.html', '.js'])
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>>> handle_extensions(['.html, txt,.tpl'])
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set(['.html', '.tpl', '.txt'])
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"""
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ext_list = []
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for ext in extensions:
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ext_list.extend(ext.replace(' ', '').split(','))
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for i, ext in enumerate(ext_list):
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if not ext.startswith('.'):
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ext_list[i] = '.%s' % ext_list[i]
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return set([x for x in ext_list if x.strip('.') not in ignored])
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def _popen(cmd):
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"""
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Friendly wrapper around Popen for Windows
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"""
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p = Popen(cmd, shell=True, stdout=PIPE, stderr=PIPE, close_fds=os.name != 'nt', universal_newlines=True)
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return p.communicate()
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def walk(root, topdown=True, onerror=None, followlinks=False,
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ignore_patterns=None, verbosity=0, stdout=sys.stdout):
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"""
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A version of os.walk that can follow symlinks for Python < 2.6
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"""
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if ignore_patterns is None:
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ignore_patterns = []
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dir_suffix = '%s*' % os.sep
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norm_patterns = map(lambda p: p.endswith(dir_suffix)
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and p[:-len(dir_suffix)] or p, ignore_patterns)
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for dirpath, dirnames, filenames in os.walk(root, topdown, onerror):
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remove_dirs = []
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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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remove_dirs.append(dirname)
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for dirname in remove_dirs:
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dirnames.remove(dirname)
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if verbosity > 1:
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stdout.write('ignoring directory %s\n' % dirname)
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yield (dirpath, dirnames, filenames)
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if followlinks:
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for d in dirnames:
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p = os.path.join(dirpath, d)
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if os.path.islink(p):
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for link_dirpath, link_dirnames, link_filenames in walk(p):
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yield (link_dirpath, link_dirnames, link_filenames)
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def is_ignored(path, ignore_patterns):
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"""
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Helper function to check if the given path should be ignored or not.
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"""
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for pattern in ignore_patterns:
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if fnmatch.fnmatchcase(path, pattern):
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return True
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return False
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def find_files(root, ignore_patterns, verbosity, stdout=sys.stdout, symlinks=False):
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"""
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Helper function to get all files in the given root.
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"""
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all_files = []
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for (dirpath, dirnames, filenames) in walk(root, followlinks=symlinks,
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ignore_patterns=ignore_patterns, verbosity=verbosity, stdout=stdout):
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for filename in filenames:
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norm_filepath = os.path.normpath(os.path.join(dirpath, filename))
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if is_ignored(norm_filepath, ignore_patterns):
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if verbosity > 1:
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stdout.write('ignoring file %s in %s\n' % (filename, dirpath))
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else:
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all_files.extend([(dirpath, filename)])
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all_files.sort()
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return all_files
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def copy_plural_forms(msgs, locale, domain, verbosity, stdout=sys.stdout):
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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 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 verbosity > 1:
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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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def write_pot_file(potfile, msgs, file, work_file, is_templatized):
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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 is_templatized:
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old = '#: ' + work_file[2:]
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new = '#: ' + file[2:]
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msgs = msgs.replace(old, new)
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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, 'ab') as fp:
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fp.write(msgs)
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def process_file(file, dirpath, potfile, domain, verbosity,
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extensions, wrap, location, stdout=sys.stdout):
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"""
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Extract translatable literals from :param 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 verbosity > 1:
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stdout.write('processing file %s in %s\n' % (file, dirpath))
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_, file_ext = os.path.splitext(file)
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if domain == 'djangojs' and file_ext in extensions:
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is_templatized = True
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orig_file = os.path.join(dirpath, 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' % file
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work_file = os.path.join(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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cmd = (
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'xgettext -d %s -L C %s %s --keyword=gettext_noop '
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'--keyword=gettext_lazy --keyword=ngettext_lazy:1,2 '
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'--keyword=pgettext:1c,2 --keyword=npgettext:1c,2,3 '
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'--from-code UTF-8 --add-comments=Translators -o - "%s"' %
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(domain, wrap, location, work_file))
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elif domain == 'django' and (file_ext == '.py' or file_ext in extensions):
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thefile = file
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orig_file = os.path.join(dirpath, file)
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is_templatized = file_ext in 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' % file
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content = templatize(src_data, orig_file[2:])
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with open(os.path.join(dirpath, thefile), "w") as fp:
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fp.write(content)
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work_file = os.path.join(dirpath, thefile)
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cmd = (
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'xgettext -d %s -L Python %s %s --keyword=gettext_noop '
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'--keyword=gettext_lazy --keyword=ngettext_lazy:1,2 '
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'--keyword=ugettext_noop --keyword=ugettext_lazy '
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'--keyword=ungettext_lazy:1,2 --keyword=pgettext:1c,2 '
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'--keyword=npgettext:1c,2,3 --keyword=pgettext_lazy:1c,2 '
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'--keyword=npgettext_lazy:1c,2,3 --from-code UTF-8 '
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'--add-comments=Translators -o - "%s"' %
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(domain, wrap, location, work_file))
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else:
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return
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msgs, errors = _popen(cmd)
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if errors:
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if is_templatized:
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os.unlink(work_file)
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if 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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(file, errors))
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if msgs:
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write_pot_file(potfile, msgs, orig_file, work_file, is_templatized)
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if is_templatized:
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os.unlink(work_file)
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def write_po_file(pofile, potfile, domain, locale, verbosity, stdout,
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copy_pforms, wrap, location, no_obsolete):
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"""
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Creates of updates the :param pofile: PO file for :param domain: and :param
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locale:. 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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msgs, errors = _popen('msguniq %s %s --to-code=utf-8 "%s"' %
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(wrap, location, potfile))
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if errors:
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os.unlink(potfile)
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raise CommandError("errors happened while running msguniq\n%s" % errors)
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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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msgs, errors = _popen('msgmerge %s %s -q "%s" "%s"' %
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(wrap, location, pofile, potfile))
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if errors:
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os.unlink(potfile)
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raise CommandError(
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"errors happened while running msgmerge\n%s" % errors)
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elif copy_pforms:
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msgs = copy_plural_forms(msgs, locale, domain, verbosity, stdout)
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msgs = msgs.replace(
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"#. #-#-#-#-# %s.pot (PACKAGE VERSION) #-#-#-#-#\n" % domain, "")
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with open(pofile, 'wb') as fp:
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fp.write(msgs)
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os.unlink(potfile)
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if no_obsolete:
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msgs, errors = _popen('msgattrib %s %s -o "%s" --no-obsolete "%s"' %
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(wrap, location, pofile, pofile))
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if errors:
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raise CommandError(
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"errors happened while running msgattrib\n%s" % errors)
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def make_messages(locale=None, domain='django', verbosity=1, all=False,
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extensions=None, symlinks=False, ignore_patterns=None, no_wrap=False,
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no_location=False, no_obsolete=False, stdout=sys.stdout):
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"""
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Uses the ``locale/`` directory from the Django Git tree or an
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application/project to process all files with translatable literals for
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the :param domain: domain and :param locale: locale.
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"""
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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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if ignore_patterns is None:
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ignore_patterns = []
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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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invoked_for_django = True
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# Ignoring all contrib apps
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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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if domain not in ('django', 'djangojs'):
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raise CommandError("currently makemessages only supports domains 'django' and 'djangojs'")
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if (locale is None and not all) or domain is None:
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message = "Type '%s help %s' for usage information." % (os.path.basename(sys.argv[0]), sys.argv[1])
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raise CommandError(message)
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# We require gettext version 0.15 or newer.
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output = _popen('xgettext --version')[0]
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match = re.search(r'(?P<major>\d+)\.(?P<minor>\d+)', output)
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if match:
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xversion = (int(match.group('major')), int(match.group('minor')))
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if xversion < (0, 15):
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raise CommandError("Django internationalization requires GNU "
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"gettext 0.15 or newer. You are using version %s, please "
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"upgrade your gettext toolset." % match.group())
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locales = []
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if locale is not None:
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locales.append(locale)
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elif 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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wrap = '--no-wrap' if no_wrap else ''
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location = '--no-location' if no_location else ''
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for locale in locales:
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if verbosity > 0:
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stdout.write("processing language %s\n" % locale)
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basedir = os.path.join(localedir, 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' % domain)
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potfile = os.path.join(basedir, '%s.pot' % domain)
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if os.path.exists(potfile):
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os.unlink(potfile)
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for dirpath, file in find_files(".", ignore_patterns, verbosity,
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stdout, symlinks=symlinks):
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process_file(file, dirpath, potfile, domain, verbosity, extensions,
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wrap, location, stdout)
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if os.path.exists(potfile):
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write_po_file(pofile, potfile, domain, locale, verbosity, stdout,
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not invoked_for_django, wrap, location, no_obsolete)
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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',
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help='Creates or updates the message files for the given locale (e.g. pt_BR).'),
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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 '*~'."),
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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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)
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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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can_import_settings = False
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def handle_noargs(self, *args, **options):
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locale = options.get('locale')
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domain = options.get('domain')
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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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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', '.*', '*~']
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ignore_patterns = list(set(ignore_patterns))
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no_wrap = options.get('no_wrap')
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no_location = options.get('no_location')
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no_obsolete = options.get('no_obsolete')
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if 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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extensions = handle_extensions(exts)
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if verbosity > 1:
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self.stdout.write('examining files with the extensions: %s\n'
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% get_text_list(list(extensions), 'and'))
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make_messages(locale, domain, verbosity, process_all, extensions,
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symlinks, ignore_patterns, no_wrap, no_location, no_obsolete, self.stdout)
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