src/wolnelektury/management/commands/localepack.py

   1 # This file is part of Wolne Lektury, licensed under GNU Affero GPLv3 or later.
   2 # Copyright © Fundacja Wolne Lektury. See NOTICE for more information.
   3 #
   4 import os
   5 import shutil
   6 import sys
   7 import tempfile
   8 from django.conf import settings
   9 from django.core.management.base import BaseCommand
  10 from django.core.management import call_command
  11 from wolnelektury.utils import makedirs
  12 from .translation2po import get_languages
  13
  14
  15 ROOT = settings.ROOT_DIR
  16
  17
  18 def is_our_app(mod):
  19     return mod.__path__[0].startswith(ROOT)
  20
  21
  22 class Locale(object):
  23     def save(self, output_directory, languages):
  24         pass
  25
  26     def compile(self):
  27         pass
  28
  29     def generate(self, languages):
  30         pass
  31
  32
  33 def copy_f(frm, to):
  34     makedirs(os.path.dirname(to))
  35     shutil.copyfile(frm, to)
  36
  37
  38 class AppLocale(Locale):
  39     def __init__(self, appmod):
  40         self.app = appmod
  41         if not os.path.exists(os.path.join(self.path, 'locale')):
  42             raise LookupError('No locale for app %s' % appmod)
  43
  44     @property
  45     def path(self):
  46         return self.app.__path__[0]
  47
  48     @property
  49     def name(self):
  50         return self.app.__name__
  51
  52     def save(self, output_directory, languages):
  53         for lc in languages:
  54             lc = lc[0]
  55             if os.path.exists(os.path.join(self.path, 'locale', lc)):
  56                 copy_f(os.path.join(self.path, 'locale', lc, 'LC_MESSAGES', 'django.po'),
  57                        os.path.join(output_directory, lc, self.name + '.po'))
  58
  59     def load(self, input_directory, languages):
  60         for lc in zip(*languages)[0]:
  61             if os.path.exists(os.path.join(input_directory, lc, self.name + '.po')):
  62                 out = os.path.join(self.path, 'locale', lc, 'LC_MESSAGES', 'django.po')
  63                 makedirs(os.path.dirname(out))
  64                 copy_f(os.path.join(input_directory, lc, self.name + '.po'), out)
  65         self.compile()
  66
  67     def compile(self):
  68         wd = os.getcwd()
  69         os.chdir(self.path)
  70         try:
  71             call_command('compilemessages', verbosity=0, settings='wolnelektury.settings')
  72         except:
  73             pass
  74         finally:
  75             os.chdir(wd)
  76
  77     def generate(self, languages):
  78         wd = os.getcwd()
  79         os.chdir(self.path)
  80         try:
  81             call_command('makemessages', all=True)
  82         except:
  83             pass
  84         finally:
  85             os.chdir(wd)
  86
  87
  88 class ModelTranslation(Locale):
  89     def __init__(self, appname, poname=None):
  90         self.appname = appname
  91         self.poname = poname and poname or appname
  92
  93     def save(self, output_directory, languages):
  94         call_command('translation2po', self.appname, directory=output_directory, poname=self.poname)
  95
  96     def load(self, input_directory, languages):
  97         call_command('translation2po', self.appname, directory=input_directory,
  98                      load=True, lang=','.join(zip(*languages)[0]), poname=self.poname, keep_running=True)
  99
 100
 101 SOURCES = []
 102
 103 for appn in settings.INSTALLED_APPS:
 104     app = __import__(appn)
 105     if is_our_app(app):
 106         try:
 107             SOURCES.append(AppLocale(app))
 108         except LookupError as e:
 109             print("no locales in %s" % app.__name__)
 110
 111 SOURCES.append(ModelTranslation('infopages', 'infopages_db'))
 112
 113
 114 class Command(BaseCommand):
 115     help = 'Make a locale pack'
 116
 117     def add_arguments(self, parser):
 118         parser.add_argument(
 119                 '-l', '--load', help='load locales back to source',
 120                 action='store_true', dest='load', default=False)
 121         parser.add_argument(
 122                 '-c', '--compile', help='compile messages',
 123                 action='store_true', dest='compile', default=False)
 124         parser.add_argument(
 125                 '-g', '--generate', help='generate messages',
 126                 action='store_true', dest='generate', default=False)
 127         parser.add_argument(
 128                 '-L', '--lang', help='load just one language',
 129                 dest='lang', default=None)
 130         parser.add_argument(
 131                 '-d', '--directory', help='load from this directory',
 132                 dest='directory', default=None)
 133         parser.add_argument(
 134                 '-o', '--outfile', help='Resulting zip file',
 135                 dest='outfile', default='./wl-locale.zip')
 136         parser.add_argument(
 137                 '-m', '--merge', action='store_true',
 138                 dest='merge', default=False,
 139                 help='Use git to merge. Please use with clean working directory.')
 140         parser.add_argument(
 141                 '-M', '--message', help='commit message',
 142                 dest='message', default='New locale')
 143
 144     def current_rev(self):
 145         return os.popen('git rev-parse HEAD').read()
 146
 147     def current_branch(self):
 148         return os.popen("git branch |grep '^[*]' | cut -c 3-").read()
 149
 150     def save(self, options):
 151         packname = options.get('outfile')
 152         packname_b = os.path.basename(packname).split('.')[0]
 153         fmt = '.'.join(os.path.basename(packname).split('.')[1:])
 154
 155         if fmt != 'zip':
 156             raise NotImplementedError('Sorry. Only zip format supported at the moment.')
 157
 158         tmp_dir = tempfile.mkdtemp('-wl-locale')
 159         out_dir = os.path.join(tmp_dir, packname_b)
 160         os.mkdir(out_dir)
 161
 162         try:
 163             for lang in settings.LANGUAGES:
 164                 os.mkdir(os.path.join(out_dir, lang[0]))
 165
 166             for src in SOURCES:
 167                 src.generate(settings.LANGUAGES)
 168                 src.save(out_dir, settings.LANGUAGES)
 169                 #                src.save(settings.LANGUAGES)
 170
 171             # write out revision
 172             rev = self.current_rev()
 173             rf = open(os.path.join(out_dir, '.revision'), 'w')
 174             rf.write(rev)
 175             rf.close()
 176
 177             cwd = os.getcwd()
 178             try:
 179                 os.chdir(os.path.dirname(out_dir))
 180                 self.system('zip -r %s %s' % (os.path.join(cwd, packname_b+'.zip'), os.path.basename(out_dir)))
 181             finally:
 182                 os.chdir(cwd)
 183                 # shutil.make_archive(packname_b, fmt, root_dir=os.path.dirname(out_dir),
 184                 #                     base_dir=os.path.basename(out_dir))
 185         finally:
 186             shutil.rmtree(tmp_dir, ignore_errors=True)
 187
 188     def generate(self):
 189         for src in SOURCES:
 190             src.generate(settings.LANGUAGES)
 191
 192     def load(self, options):
 193         langs = get_languages(options['lang'])
 194
 195         for src in SOURCES:
 196             src.load(options['directory'], langs)
 197
 198     def compile(self):
 199         for src in SOURCES:
 200             src.compile()
 201
 202     def handle(self, **options):
 203         if options['load']:
 204             if not options['directory'] or not os.path.exists(options['directory']):
 205                 print("Directory not provided or does not exist, please use -d")
 206                 sys.exit(1)
 207
 208             if options['merge']:
 209                 self.merge_setup(options['directory'])
 210             self.load(options)
 211             if options['merge']:
 212                 self.merge_finish(options['message'])
 213         elif options['generate']:
 214             self.generate()
 215         elif options['compile']:
 216             self.compile()
 217         else:
 218             self.save(options)
 219
 220     merge_branch = 'wl-locale-merge'
 221     last_branch = None
 222
 223     def merge_setup(self, directory):
 224         self.last_branch = self.current_branch()
 225         rev = open(os.path.join(directory, '.revision')).read()
 226
 227         self.system('git checkout -b %s %s' % (self.merge_branch, rev))
 228
 229     def merge_finish(self, message):
 230         self.system('git commit -a -m "%s"' % message.replace('"', '\\"'))
 231         self.system('git checkout %s' % self.last_branch)
 232         self.system('git merge -s recursive -X theirs %s' % self.merge_branch)
 233         self.system('git branch -d %s' % self.merge_branch)
 234
 235     def system(self, fmt, *args):
 236         code = os.system(fmt % args)
 237         if code != 0:
 238             raise OSError('Command %s returned with exit code %d' % (fmt % args, code))
 239         return code