Inserted command line option to translate config strings during database setup. Fixed #460.

CHANGELOG

@@ -20,6 +20,7 @@ Other:
 - Changed api for plugins. Used entry points to detect them automaticly.
 - Renamed config api classes.
 - Renamed some classes of the poll api.
+- Inserted command line option to translate config strings during database setup.
 - Inserted api for the personal info widget.
 - Changed api for main menu entries.
 - Enhanced http error pages.

openslides/__main__.py

@@ -21,6 +21,7 @@ from openslides.utils.main import (
     get_port,
     setup_django_settings_module,
     start_browser,
+    translate_customizable_strings,
     write_settings)
 
 
@@ -87,7 +88,7 @@ def parse_args():
         'start',
         help='Setup settings and database, start tornado webserver, launch the '
              'default web browser and open the webinterface.')
-    add_general_arguments(subcommand_start, ('settings', 'user_data_path', 'address', 'port'))
+    add_general_arguments(subcommand_start, ('settings', 'user_data_path', 'language', 'address', 'port'))
     subcommand_start.add_argument(
         '--no-browser',
         action='store_true',
@@ -113,7 +114,7 @@ def parse_args():
     subcommand_syncdb = subparsers.add_parser(
         'syncdb',
         help='Create or update database tables.')
-    add_general_arguments(subcommand_syncdb, ('settings', 'user_data_path'))
+    add_general_arguments(subcommand_syncdb, ('settings', 'user_data_path', 'language'))
     subcommand_syncdb.set_defaults(callback=syncdb)
 
     # Subcommand createsuperuser
@@ -191,6 +192,11 @@ def add_general_arguments(subcommand, arguments):
                   'when a new settings file is created. The given path is only '
                   'written into the new settings file. Default according to the '
                   'OpenSlides is at the moment %s' % get_default_user_data_path(openslides_type)))
+    general_arguments['language'] = (
+        ('-l', '--language'),
+        dict(help='Language code. All customizable strings will be translated '
+                  'during database setup. See https://www.transifex.com/projects/p/openslides/ '
+                  'for supported languages.'))
     general_arguments['address'] = (
         ('-a', '--address',),
         dict(default='0.0.0.0', help='IP address to listen on. Default is %(default)s.'))
@@ -250,6 +256,8 @@ def syncdb(settings, args):
             print('Clearing old search index...')
             execute_from_command_line(["", "clear_index", "--noinput"])
     execute_from_command_line(["", "syncdb", "--noinput"])
+    if args.language:
+        translate_customizable_strings(args.language)
     return 0
 
 

openslides/assignment/signals.py

@@ -43,6 +43,7 @@ def setup_assignment_config(sender, **kwargs):
     assignment_pdf_title = ConfigVariable(
         name='assignment_pdf_title',
         default_value=_('Elections'),
+        translatable=True,
         form_field=forms.CharField(
             widget=forms.TextInput(),
             required=False,

openslides/config/api.py

@@ -53,8 +53,8 @@ class ConfigHandler(object):
 
     def setup_cache(self):
         """
-        Loads all config variables from the database and by sending a
+        Loads all config variables from the database by sending a signal to
-        signal to get the default into the cache.
+        save the default to the cache.
         """
         self._cache = {}
         for receiver, config_collection in config_signal.send(sender='setup_cache'):
@@ -73,6 +73,15 @@ class ConfigHandler(object):
         else:
             return True
 
+    def get_all_translatable(self):
+        """
+        Generator to get all config variables as strings when their values are
+        intended to be translated.
+        """
+        for receiver, config_collection in config_signal.send(sender='get_all_translatable'):
+            for config_variable in config_collection.variables:
+                if config_variable.translatable:
+                    yield config_variable.name
 
 config = ConfigHandler()
 """
@@ -162,10 +171,13 @@ class ConfigVariable(object):
     arguments 'name' and 'default_value' are required. The keyword
     argument 'form_field' has to be set if the variable should appear
     on the ConfigView. The argument 'on_change' can get a callback
-    which is called every time, the variable is changed.
+    which is called every time, the variable is changed. If the argument
+    'translatable' is set, OpenSlides is able to translate the value during
+    setup of the database if the admin uses the respective command line option.
     """
-    def __init__(self, name, default_value, form_field=None, on_change=None):
+    def __init__(self, name, default_value, form_field=None, on_change=None, translatable=False):
         self.name = name
         self.default_value = default_value
         self.form_field = form_field
         self.on_change = on_change
+        self.translatable = translatable

openslides/core/signals.py

@@ -29,6 +29,7 @@ def setup_general_config(sender, **kwargs):
     event_description = ConfigVariable(
         name='event_description',
         default_value=_('Presentation and assembly system'),
+        translatable=True,
         form_field=forms.CharField(
             widget=forms.TextInput(),
             label=ugettext_lazy('Short description of event'),
@@ -104,6 +105,7 @@ def setup_general_config(sender, **kwargs):
     welcome_title = ConfigVariable(
         name='welcome_title',
         default_value=_('Welcome to OpenSlides'),
+        translatable=True,
         form_field=forms.CharField(
             widget=forms.TextInput(),
             label=ugettext_lazy('Title'),
@@ -113,6 +115,7 @@ def setup_general_config(sender, **kwargs):
     welcome_text = ConfigVariable(
         name='welcome_text',
         default_value=_('[Place for your welcome text.]'),
+        translatable=True,
         form_field=forms.CharField(
             widget=forms.Textarea(),
             label=ugettext_lazy('Welcome text'),

openslides/motion/signals.py

@@ -40,6 +40,7 @@ def setup_motion_config(sender, **kwargs):
     motion_preamble = ConfigVariable(
         name='motion_preamble',
         default_value=_('The assembly may decide,'),
+        translatable=True,
         form_field=forms.CharField(
             widget=forms.TextInput(),
             required=False,
@@ -66,6 +67,7 @@ def setup_motion_config(sender, **kwargs):
     motion_pdf_title = ConfigVariable(
         name='motion_pdf_title',
         default_value=_('Motions'),
+        translatable=True,
         form_field=forms.CharField(
             widget=forms.TextInput(),
             required=False,

openslides/participant/signals.py

@@ -23,6 +23,7 @@ def setup_participant_config(sender, **kwargs):
     participant_pdf_welcometitle = ConfigVariable(
         name='participant_pdf_welcometitle',
         default_value=_('Welcome to OpenSlides!'),
+        translatable=True,
         form_field=forms.CharField(
             widget=forms.Textarea(),
             required=False,
@@ -31,6 +32,7 @@ def setup_participant_config(sender, **kwargs):
     participant_pdf_welcometext = ConfigVariable(
         name='participant_pdf_welcometext',
         default_value=_('[Place for your welcome and help text.]'),
+        translatable=True,
         form_field=forms.CharField(
             widget=forms.Textarea(),
             required=False,

openslides/utils/main.py

@@ -12,6 +12,8 @@ import webbrowser
 from base64 import b64encode
 from django.core.exceptions import ImproperlyConfigured
 from django.conf import ENVIRONMENT_VARIABLE
+from django.utils.translation import activate, check_for_language, get_language
+from django.utils.translation import ugettext as _
 
 UNIX_VERSION = 'Unix Version'
 WINDOWS_VERSION = 'Windows Version'
@@ -301,3 +303,16 @@ def get_database_path_from_settings():
     if default.get('ENGINE') != 'django.db.backends.sqlite3':
         database_path = None
     return database_path
+
+
+def translate_customizable_strings(language_code):
+    """
+    Translates all translatable config values and saves them into database.
+    """
+    if check_for_language(language_code):
+        from openslides.config.api import config
+        current_language = get_language()
+        activate(language_code)
+        for name in config.get_all_translatable():
+            config[name] = _(config[name])
+        activate(current_language)

tests/utils/test_main.py

@@ -12,6 +12,7 @@ from openslides.__main__ import (
     runserver,
     start,
     syncdb)
+from openslides.config.api import config
 from openslides.utils.main import (
     get_browser_url,
     get_database_path_from_settings,
@@ -22,6 +23,7 @@ from openslides.utils.main import (
     PortIsBlockedError,
     setup_django_settings_module,
     start_browser,
+    translate_customizable_strings,
     UNIX_VERSION,
     WINDOWS_PORTABLE_VERSION)
 from openslides.utils.test import TestCase
@@ -91,6 +93,11 @@ class TestFunctions(TestCase):
     def test_get_database_path_from_settings_memory(self):
         self.assertEqual(get_database_path_from_settings(), ':memory:')
 
+    def test_translate_customizable_strings(self):
+        self.assertEqual(config['event_description'], 'Presentation and assembly system')
+        translate_customizable_strings('de')
+        self.assertEqual(config['event_description'], u'Präsentations- und Versammlungssystem')
+
 
 class TestOtherFunctions(TestCase):
     """
@@ -127,6 +134,7 @@ class TestOtherFunctions(TestCase):
     def test_syncdb(self, mock_execute_from_command_line, mock_os, mock_exists):
         mock_exists.return_value = True
         mock_args = MagicMock()
+        mock_args.language = None
         syncdb(settings=None, args=mock_args)
         self.assertTrue(mock_execute_from_command_line.called)