pep8 and other code-style changes
[wolnelektury.git] / src / wolnelektury / management / commands / localepack.py
1 # -*- coding: utf-8 -*-
2 # This file is part of Wolnelektury, licensed under GNU Affero GPLv3 or later.
3 # Copyright © Fundacja Nowoczesna Polska. See NOTICE for more information.
4 #
5 from optparse import make_option
6 from django.conf import settings
7 from django.core.management.base import BaseCommand
8 from django.core.management import call_command
9 from .translation2po import get_languages
10 from wolnelektury.utils import makedirs
11
12 import os
13 import shutil
14 import tempfile
15 import sys
16
17 import allauth
18
19 ROOT = os.path.dirname(settings.PROJECT_DIR)
20
21
22 def is_our_app(mod):
23     return mod.__path__[0].startswith(ROOT)
24
25
26 class Locale(object):
27     def save(self, output_directory, languages):
28         pass
29
30     def generate(self, languages):
31         pass
32
33
34 def copy_f(frm, to):
35     makedirs(os.path.dirname(to))
36     shutil.copyfile(frm, to)
37
38
39 class AppLocale(Locale):
40     def __init__(self, appmod):
41         self.app = appmod
42         if not os.path.exists(os.path.join(self.path, 'locale')):
43             raise LookupError('No locale for app %s' % appmod)
44
45     @property
46     def path(self):
47         return self.app.__path__[0]
48
49     @property
50     def name(self):
51         return self.app.__name__
52
53     def save(self, output_directory, languages):
54         for lc in languages:
55             lc = lc[0]
56             if os.path.exists(os.path.join(self.path, 'locale', lc)):
57                 copy_f(os.path.join(self.path, 'locale', lc, 'LC_MESSAGES', 'django.po'),
58                        os.path.join(output_directory, lc, self.name + '.po'))
59
60     def load(self, input_directory, languages):
61         for lc in zip(*languages)[0]:
62             if os.path.exists(os.path.join(input_directory, lc, self.name + '.po')):
63                 out = os.path.join(self.path, 'locale', lc, 'LC_MESSAGES', 'django.po')
64                 makedirs(os.path.dirname(out))
65                 copy_f(os.path.join(input_directory, lc, self.name + '.po'), out)
66
67         wd = os.getcwd()
68         os.chdir(self.path)
69         try:
70             call_command('compilemessages', settings='wolnelektury.settings')
71         except:
72             pass
73         finally:
74             os.chdir(wd)
75
76     def generate(self, languages):
77         wd = os.getcwd()
78         os.chdir(self.path)
79         try:
80             call_command('makemessages', all=True)
81         except:
82             pass
83         finally:
84             os.chdir(wd)
85
86
87 class ModelTranslation(Locale):
88     def __init__(self, appname, poname=None):
89         self.appname = appname
90         self.poname = poname and poname or appname
91
92     def save(self, output_directory, languages):
93         call_command('translation2po', self.appname, directory=output_directory, poname=self.poname)
94
95     def load(self, input_directory, languages):
96         call_command('translation2po', self.appname, directory=input_directory,
97                      load=True, lang=','.join(zip(*languages)[0]), poname=self.poname, keep_running=True)
98
99
100 class CustomLocale(Locale):
101     def __init__(self, app_dir,
102                  config=os.path.join(ROOT, "babel.cfg"),
103                  out_file=os.path.join(ROOT, 'wolnelektury/locale-contrib/django.pot'),
104                  name=None):
105         self.app_dir = app_dir
106         self.config = config
107         self.out_file = out_file
108         self.name = name
109
110     def generate(self, languages):
111         os.system('pybabel extract -F "%s" -o "%s" "%s"' % (self.config, self.out_file, self.app_dir))
112         os.system('pybabel update -D django -i %s -d %s' % (self.out_file, os.path.dirname(self.out_file)))
113
114     def po_file(self, language):
115         d = os.path.dirname(self.out_file)
116         n = os.path.basename(self.out_file).split('.')[0]
117         return os.path.join(d, language, 'LC_MESSAGES', n + '.po')
118
119     def save(self, output_directory, languages):
120         for lc in zip(*languages)[0]:
121             if os.path.exists(self.po_file(lc)):
122                 copy_f(self.po_file(lc),
123                        os.path.join(output_directory, lc, self.name + '.po'))
124
125     def load(self, input_directory, languages):
126         for lc in zip(*languages)[0]:
127             copy_f(os.path.join(input_directory, lc, self.name + '.po'),
128                    self.po_file(lc))
129         os.system('pybabel compile -D django -d %s' % os.path.dirname(self.out_file))
130
131
132 SOURCES = []
133
134 for appn in settings.INSTALLED_APPS:
135     app = __import__(appn)
136     if is_our_app(app):
137         try:
138             SOURCES.append(AppLocale(app))
139         except LookupError, e:
140             print "no locales in %s" % app.__name__
141
142 SOURCES.append(ModelTranslation('infopages', 'infopages_db'))
143 SOURCES.append(CustomLocale(os.path.dirname(allauth.__file__), name='contrib'))
144
145
146 class Command(BaseCommand):
147     option_list = BaseCommand.option_list + (
148         make_option('-l', '--load', help='load locales back to source', action='store_true', dest='load',
149                     default=False),
150         make_option('-L', '--lang', help='load just one language', dest='lang', default=None),
151         make_option('-d', '--directory', help='load from this directory', dest='directory', default=None),
152         make_option('-o', '--outfile', help='Resulting zip file', dest='outfile', default='./wl-locale.zip'),
153         make_option('-m', '--merge', help='Use git to merge. Please use with clean working directory.',
154                     action='store_true', dest='merge', default=False),
155         make_option('-M', '--message', help='commit message', dest='message', default='New locale'),
156     )
157     help = 'Make a locale pack'
158     args = ''
159
160     def current_rev(self):
161         return os.popen('git rev-parse HEAD').read()
162
163     def current_branch(self):
164         return os.popen("git branch |grep '^[*]' | cut -c 3-").read()
165
166     def save(self, options):
167         packname = options.get('outfile')
168         packname_b = os.path.basename(packname).split('.')[0]
169         fmt = '.'.join(os.path.basename(packname).split('.')[1:])
170
171         if fmt != 'zip':
172             raise NotImplementedError('Sorry. Only zip format supported at the moment.')
173
174         tmp_dir = tempfile.mkdtemp('-wl-locale')
175         out_dir = os.path.join(tmp_dir, packname_b)
176         os.mkdir(out_dir)
177
178         try:
179             for lang in settings.LANGUAGES:
180                 os.mkdir(os.path.join(out_dir, lang[0]))
181
182             for src in SOURCES:
183                 src.generate(settings.LANGUAGES)
184                 src.save(out_dir, settings.LANGUAGES)
185                 #                src.save(settings.LANGUAGES)
186
187             # write out revision
188             rev = self.current_rev()
189             rf = open(os.path.join(out_dir, '.revision'), 'w')
190             rf.write(rev)
191             rf.close()
192
193             cwd = os.getcwd()
194             try:
195                 os.chdir(os.path.dirname(out_dir))
196                 self.system('zip -r %s %s' % (os.path.join(cwd, packname_b+'.zip'), os.path.basename(out_dir)))
197             finally:
198                 os.chdir(cwd)
199                 # shutil.make_archive(packname_b, fmt, root_dir=os.path.dirname(out_dir),
200                 #                     base_dir=os.path.basename(out_dir))
201         finally:
202             shutil.rmtree(tmp_dir, ignore_errors=True)
203
204     def load(self, options):
205         langs = get_languages(options['lang'])
206
207         for src in SOURCES:
208             src.load(options['directory'], langs)
209
210     def handle(self, *a, **options):
211         if options['load']:
212             if not options['directory'] or not os.path.exists(options['directory']):
213                 print "Directory not provided or does not exist, please use -d"
214                 sys.exit(1)
215
216             if options['merge']:
217                 self.merge_setup(options['directory'])
218             self.load(options)
219             if options['merge']:
220                 self.merge_finish(options['message'])
221         else:
222             self.save(options)
223
224     merge_branch = 'wl-locale-merge'
225     last_branch = None
226
227     def merge_setup(self, directory):
228         self.last_branch = self.current_branch()
229         rev = open(os.path.join(directory, '.revision')).read()
230
231         self.system('git checkout -b %s %s' % (self.merge_branch, rev))
232
233     def merge_finish(self, message):
234         self.system('git commit -a -m "%s"' % message.replace('"', '\\"'))
235         self.system('git checkout %s' % self.last_branch)
236         self.system('git merge -s recursive -X theirs %s' % self.merge_branch)
237         self.system('git branch -d %s' % self.merge_branch)
238
239     def system(self, fmt, *args):
240         code = os.system(fmt % args)
241         if code != 0:
242             raise OSError('Command %s returned with exit code %d' % (fmt % args, code))
243         return code