Merge branch 'master' of github.com:fnp/wolnelektury
[wolnelektury.git] / apps / wolnelektury_core / management / commands / localepack.py
1
2 from optparse import make_option
3 from django.conf import settings
4 from django.core.management.base import BaseCommand
5 from django.core.management import call_command
6 from modeltranslation.management.commands.translation2po import get_languages
7
8 import os
9 import shutil
10 import tempfile
11 import sys
12
13 import allauth
14
15 ROOT = os.path.dirname(settings.PROJECT_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 generate(self, languages):
27         pass
28
29
30 class AppLocale(Locale):
31     def __init__(self, appmod):
32         self.app = appmod
33         if not os.path.exists(os.path.join(self.path, 'locale')):
34             raise LookupError('No locale for app %s' % appmod)
35
36     @property
37     def path(self):
38         return self.app.__path__[0]
39
40     @property
41     def name(self):
42         return self.app.__name__
43
44     def save(self, output_directory, languages):
45         for lc in languages:
46             lc = lc[0]
47             if os.path.exists(os.path.join(self.path, 'locale', lc)):
48                 shutil.copy2(os.path.join(self.path, 'locale', lc, 'LC_MESSAGES', 'django.po'),
49                          os.path.join(output_directory, lc, self.name + '.po'))
50
51     def load(self, input_directory, languages):
52         for lc in zip(*languages)[0]:
53             if os.path.exists(os.path.join(input_directory, lc, self.name + '.po')):
54                 shutil.copy2(os.path.join(input_directory, lc, self.name + '.po'),
55                              os.path.join(self.path, 'locale', lc, 'LC_MESSAGES', 'django.po'))
56
57     def generate(self, languages):
58         wd = os.getcwd()
59         os.chdir(self.path)
60         try:
61             call_command('makemessages', all=True)
62         except:
63             pass
64         finally:
65             os.chdir(wd)
66
67
68 class ModelTranslation(Locale):
69     def __init__(self, appname, poname=None):
70         self.appname = appname
71         self.poname = poname and poname or appname
72
73     def save(self, output_directory, languages):
74         call_command('translation2po', self.appname, directory=output_directory, poname=self.poname)
75
76     def load(self, input_directory, languages):
77         call_command('translation2po', self.appname, directory=input_directory,
78                      load=True, lang=','.join(zip(*languages)[0]), poname=self.poname)
79
80
81 class CustomLocale(Locale):
82     def __init__(self, app_dir,
83                  config=os.path.join(ROOT, "babel.cfg"),
84                  out_file=os.path.join(ROOT, 'wolnelektury/locale-contrib/django.pot'),
85                  name=None):
86         self.app_dir = app_dir
87         self.config = config
88         self.out_file = out_file
89         self.name = name
90
91     def generate(self, languages):
92         os.system('pybabel extract -F "%s" -o "%s" "%s"' % (self.config, self.out_file, self.app_dir))
93         os.system('pybabel update -D django -i %s -d %s' % (self.out_file, os.path.dirname(self.out_file)))
94
95     def po_file(self, language):
96         d = os.path.dirname(self.out_file)
97         n = os.path.basename(self.out_file).split('.')[0]
98         return os.path.join(d, language, 'LC_MESSAGES', n + '.po')
99
100     def save(self, output_directory, languages):
101         for lc in zip(*languages)[0]:
102             if os.path.exists(self.po_file(lc)):
103                 shutil.copy2(self.po_file(lc),
104                              os.path.join(output_directory, lc, self.name + '.po'))
105
106     def load(self, input_directory, languages):
107         for lc in zip(*languages)[0]:
108             shutil.copy2(os.path.join(input_directory, lc, self.name + '.po'),
109                          self.po_file(lc))
110         os.system('pybabel compile -D django -d %s' % os.path.dirname(self.out_file))
111
112
113 SOURCES = []
114
115 for appn in settings.INSTALLED_APPS:
116     app = __import__(appn)
117     if is_our_app(app):
118         try:
119             SOURCES.append(AppLocale(app))
120         except LookupError, e:
121             print "no locales in %s" % app.__name__
122
123 SOURCES.append(ModelTranslation('infopages', 'infopages_db'))
124 SOURCES.append(CustomLocale(os.path.dirname(allauth.__file__), name='contrib'))
125
126
127 class Command(BaseCommand):
128     option_list = BaseCommand.option_list + (
129         make_option('-l', '--load', help='load locales back to source', action='store_true', dest='load', default=False),
130         make_option('-L', '--lang', help='load just one language', dest='lang', default=None),
131         make_option('-d', '--directory', help='load from this directory', dest='directory', default=None),
132         make_option('-o', '--outfile', help='Resulting zip file', dest='outfile', default='./wl-locale.zip'),
133         make_option('-m', '--merge', help='Use git to merge. Please use with clean working directory.', action='store_true', dest='merge', default=False),
134         make_option('-M', '--message', help='commit message', dest='message', default='New locale'),
135
136         )
137     help = 'Make a locale pack'
138     args = ''
139
140     def current_rev(self):
141         return os.popen('git rev-parse HEAD').read()
142
143     def current_branch(self):
144         return os.popen("git branch |grep '^[*]' | cut -c 3-").read()
145
146     def save(self, options):
147         tmp_dir = tempfile.mkdtemp('-wl-locale')
148         out_dir = os.path.join(tmp_dir, 'wl-locale')
149         os.mkdir(out_dir)
150
151         try:
152             for lang in settings.LANGUAGES:
153                 os.mkdir(os.path.join(out_dir, lang[0]))
154
155             for src in SOURCES:
156                 src.generate(settings.LANGUAGES)
157                 src.save(out_dir, settings.LANGUAGES)
158                 #                src.save(settings.LANGUAGES)
159
160             # write out revision
161             rev = self.current_rev()
162             rf = open(os.path.join(out_dir, '.revision'), 'w')
163             rf.write(rev)
164             rf.close()
165
166             packname = options.get('outfile')
167             packname_b = os.path.basename(packname).split('.')[0]
168             fmt = '.'.join(os.path.basename(packname).split('.')[1:])
169             shutil.make_archive(packname_b, fmt, root_dir=os.path.dirname(out_dir), base_dir=os.path.basename(out_dir))
170         finally:
171             shutil.rmtree(tmp_dir, ignore_errors=True)
172
173     def load(self, options):
174         langs = get_languages(options['lang'])
175
176         for src in SOURCES:
177             src.load(options['directory'], langs)
178
179     def handle(self, *a, **options):
180         if options['load']:
181             if not options['directory'] or not os.path.exists(options['directory']):
182                 print "Directory not provided or does not exist, please use -d"
183                 sys.exit(1)
184                 
185             if options['merge']: self.merge_setup(options['directory'])
186             self.load(options)
187             if options['merge']: self.merge_finish(options['message'])
188         else:
189             self.save(options)
190
191     merge_branch = 'wl-locale-merge'
192     last_branch = None
193     
194     def merge_setup(self, directory):
195         self.last_branch = self.current_branch()
196         rev = open(os.path.join(directory, '.revision')).read()
197
198         self.system('git checkout -b %s %s' % (self.merge_branch, rev))
199
200     def merge_finish(self, message):
201         self.system('git commit -a -m "%s"' % message.replace('"', '\\"'))
202         self.system('git checkout %s' % self.last_branch)
203         self.system('git merge -s recursive -X theirs %s' % self.merge_branch)
204         self.system('git branch -d %s' % self.merge_branch)
205
206     def system(self, fmt, *args):
207         code = os.system(fmt % args)
208         if code != 0:
209             raise OSError('Command %s returned with exit code %d' % (fmt % args, code))
210         return code