Code layout change.
[wolnelektury.git] / src / wolnelektury / management / commands / localepack.py
diff --git a/src/wolnelektury/management/commands/localepack.py b/src/wolnelektury/management/commands/localepack.py
new file mode 100644 (file)
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+# -*- coding: utf-8 -*-
+# This file is part of Wolnelektury, licensed under GNU Affero GPLv3 or later.
+# Copyright © Fundacja Nowoczesna Polska. See NOTICE for more information.
+#
+from optparse import make_option
+from django.conf import settings
+from django.core.management.base import BaseCommand
+from django.core.management import call_command
+from .translation2po import get_languages
+
+import os
+import shutil
+import tempfile
+import sys
+
+import allauth
+
+ROOT = os.path.dirname(settings.PROJECT_DIR)
+
+
+def is_our_app(mod):
+    return mod.__path__[0].startswith(ROOT)
+
+
+class Locale(object):
+    def save(self, output_directory, languages):
+        pass
+
+    def generate(self, languages):
+        pass
+
+def copy_f(frm, to):
+    "I can create a necessary dest directiories, yey!"
+    if not os.path.exists(os.path.dirname(to)):
+        os.makedirs(os.path.dirname(to))
+    shutil.copyfile(frm, to)
+
+class AppLocale(Locale):
+    def __init__(self, appmod):
+        self.app = appmod
+        if not os.path.exists(os.path.join(self.path, 'locale')):
+            raise LookupError('No locale for app %s' % appmod)
+
+    @property
+    def path(self):
+        return self.app.__path__[0]
+
+    @property
+    def name(self):
+        return self.app.__name__
+
+    def save(self, output_directory, languages):
+        for lc in languages:
+            lc = lc[0]
+            if os.path.exists(os.path.join(self.path, 'locale', lc)):
+                copy_f(os.path.join(self.path, 'locale', lc, 'LC_MESSAGES', 'django.po'),
+                          os.path.join(output_directory, lc, self.name + '.po'))
+
+
+    def load(self, input_directory, languages):
+        for lc in zip(*languages)[0]:
+            if os.path.exists(os.path.join(input_directory, lc, self.name + '.po')):
+                out = os.path.join(self.path, 'locale', lc, 'LC_MESSAGES', 'django.po')
+                if not os.path.exists(os.path.dirname(out)):
+                    os.makedirs(os.path.dirname(out))
+                copy_f(os.path.join(input_directory, lc, self.name + '.po'),
+                             out)
+
+        wd = os.getcwd()
+        os.chdir(self.path)
+        try:
+            call_command('compilemessages', settings='wolnelektury.settings')
+        except:
+            pass
+        finally:
+            os.chdir(wd)
+
+
+    def generate(self, languages):
+        wd = os.getcwd()
+        os.chdir(self.path)
+        try:
+            call_command('makemessages', all=True)
+        except:
+            pass
+        finally:
+            os.chdir(wd)
+
+
+class ModelTranslation(Locale):
+    def __init__(self, appname, poname=None):
+        self.appname = appname
+        self.poname = poname and poname or appname
+
+    def save(self, output_directory, languages):
+        call_command('translation2po', self.appname, directory=output_directory, poname=self.poname)
+
+    def load(self, input_directory, languages):
+        call_command('translation2po', self.appname, directory=input_directory,
+                     load=True, lang=','.join(zip(*languages)[0]), poname=self.poname, keep_running=True)
+
+
+class CustomLocale(Locale):
+    def __init__(self, app_dir,
+                 config=os.path.join(ROOT, "babel.cfg"),
+                 out_file=os.path.join(ROOT, 'wolnelektury/locale-contrib/django.pot'),
+                 name=None):
+        self.app_dir = app_dir
+        self.config = config
+        self.out_file = out_file
+        self.name = name
+
+    def generate(self, languages):
+        os.system('pybabel extract -F "%s" -o "%s" "%s"' % (self.config, self.out_file, self.app_dir))
+        os.system('pybabel update -D django -i %s -d %s' % (self.out_file, os.path.dirname(self.out_file)))
+
+    def po_file(self, language):
+        d = os.path.dirname(self.out_file)
+        n = os.path.basename(self.out_file).split('.')[0]
+        return os.path.join(d, language, 'LC_MESSAGES', n + '.po')
+
+    def save(self, output_directory, languages):
+        for lc in zip(*languages)[0]:
+            if os.path.exists(self.po_file(lc)):
+                copy_f(self.po_file(lc),
+                             os.path.join(output_directory, lc, self.name + '.po'))
+
+    def load(self, input_directory, languages):
+        for lc in zip(*languages)[0]:
+            copy_f(os.path.join(input_directory, lc, self.name + '.po'),
+                         self.po_file(lc))
+        os.system('pybabel compile -D django -d %s' % os.path.dirname(self.out_file))
+
+
+SOURCES = []
+
+for appn in settings.INSTALLED_APPS:
+    app = __import__(appn)
+    if is_our_app(app):
+        try:
+            SOURCES.append(AppLocale(app))
+        except LookupError, e:
+            print "no locales in %s" % app.__name__
+
+SOURCES.append(ModelTranslation('infopages', 'infopages_db'))
+SOURCES.append(CustomLocale(os.path.dirname(allauth.__file__), name='contrib'))
+
+
+class Command(BaseCommand):
+    option_list = BaseCommand.option_list + (
+        make_option('-l', '--load', help='load locales back to source', action='store_true', dest='load', default=False),
+        make_option('-L', '--lang', help='load just one language', dest='lang', default=None),
+        make_option('-d', '--directory', help='load from this directory', dest='directory', default=None),
+        make_option('-o', '--outfile', help='Resulting zip file', dest='outfile', default='./wl-locale.zip'),
+        make_option('-m', '--merge', help='Use git to merge. Please use with clean working directory.', action='store_true', dest='merge', default=False),
+        make_option('-M', '--message', help='commit message', dest='message', default='New locale'),
+
+        )
+    help = 'Make a locale pack'
+    args = ''
+
+    def current_rev(self):
+        return os.popen('git rev-parse HEAD').read()
+
+    def current_branch(self):
+        return os.popen("git branch |grep '^[*]' | cut -c 3-").read()
+
+    def save(self, options):
+        packname = options.get('outfile')
+        packname_b = os.path.basename(packname).split('.')[0]
+        fmt = '.'.join(os.path.basename(packname).split('.')[1:])
+
+        if fmt != 'zip':
+            raise NotImplementedError('Sorry. Only zip format supported at the moment.')
+
+        tmp_dir = tempfile.mkdtemp('-wl-locale')
+        out_dir = os.path.join(tmp_dir, packname_b)
+        os.mkdir(out_dir)
+
+        try:
+            for lang in settings.LANGUAGES:
+                os.mkdir(os.path.join(out_dir, lang[0]))
+
+            for src in SOURCES:
+                src.generate(settings.LANGUAGES)
+                src.save(out_dir, settings.LANGUAGES)
+                #                src.save(settings.LANGUAGES)
+
+            # write out revision
+            rev = self.current_rev()
+            rf = open(os.path.join(out_dir, '.revision'), 'w')
+            rf.write(rev)
+            rf.close()
+
+
+            cwd = os.getcwd()
+            try:
+                os.chdir(os.path.dirname(out_dir))
+                self.system('zip -r %s %s' % (os.path.join(cwd, packname_b+'.zip'), os.path.basename(out_dir)))
+            finally:
+                os.chdir(cwd)
+                #            shutil.make_archive(packname_b, fmt, root_dir=os.path.dirname(out_dir), base_dir=os.path.basename(out_dir))
+        finally:
+            shutil.rmtree(tmp_dir, ignore_errors=True)
+
+    def load(self, options):
+        langs = get_languages(options['lang'])
+
+        for src in SOURCES:
+            src.load(options['directory'], langs)
+
+    def handle(self, *a, **options):
+        if options['load']:
+            if not options['directory'] or not os.path.exists(options['directory']):
+                print "Directory not provided or does not exist, please use -d"
+                sys.exit(1)
+
+            if options['merge']: self.merge_setup(options['directory'])
+            self.load(options)
+            if options['merge']: self.merge_finish(options['message'])
+        else:
+            self.save(options)
+
+    merge_branch = 'wl-locale-merge'
+    last_branch = None
+
+    def merge_setup(self, directory):
+        self.last_branch = self.current_branch()
+        rev = open(os.path.join(directory, '.revision')).read()
+
+        self.system('git checkout -b %s %s' % (self.merge_branch, rev))
+
+    def merge_finish(self, message):
+        self.system('git commit -a -m "%s"' % message.replace('"', '\\"'))
+        self.system('git checkout %s' % self.last_branch)
+        self.system('git merge -s recursive -X theirs %s' % self.merge_branch)
+        self.system('git branch -d %s' % self.merge_branch)
+
+    def system(self, fmt, *args):
+        code = os.system(fmt % args)
+        if code != 0:
+            raise OSError('Command %s returned with exit code %d' % (fmt % args, code))
+        return code