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1 # ============================================================================= 2 # 3 # Copyright (C) 2007-2008 Conceptive Engineering bvba. All rights reserved. 4 # www.conceptive.be / project-camelot@conceptive.be 5 # 6 # This file is part of the Camelot Library. 7 # 8 # This file may be used under the terms of the GNU General Public 9 # License version 2.0 as published by the Free Software Foundation 10 # and appearing in the file LICENSE.GPL included in the packaging of 11 # this file. Please review the following information to ensure GNU 12 # General Public Licensing requirements will be met: 13 # http://www.trolltech.com/products/qt/opensource.html 14 # 15 # If you are unsure which license is appropriate for your use, please 16 # review the following information: 17 # http://www.trolltech.com/products/qt/licensing.html or contact 18 # project-camelot@conceptive.be. 19 # 20 # This file is provided AS IS with NO WARRANTY OF ANY KIND, INCLUDING THE 21 # WARRANTY OF DESIGN, MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE. 22 # 23 # For use of this library in commercial applications, please contact 24 # project-camelot@conceptive.be 25 # 26 # ============================================================================= 27 from camelot.model import metadata 28 from camelot.admin.list_action import ListAction 29 import camelot.types 30 from elixir.entity import Entity 31 from elixir.options import using_options 32 from elixir.fields import Field 33 from sqlalchemy.types import Unicode, INT 34 """Set of classes to enable internationalization of the user interface""" 35 36 37 __metadata__ = metadata 38 39 from camelot.view.elixir_admin import EntityAdmin 40 from camelot.view.art import Icon 41 from camelot.core.utils import ugettext_lazy as _ 42 43 import logging 44 logger = logging.getLogger( 'camelot.model.i18n' )47 from PyQt4 import QtCore 48 language = unicode( QtCore.QLocale().name() ) 49 return Translation.translate_or_register( source, language )505272 73 post(create_po_exporter(filename, collection_getter)) 7454 super(ExportAsPO, self).__init__(name=_('po export'), 55 icon=Icon('tango/16x16/actions/document-save.png'))5658 from PyQt4 import QtGui 59 from camelot.view.model_thread import post 60 from camelot.core.utils import ugettext as _ 61 filename = unicode(QtGui.QFileDialog.getSaveFileName(None, _("Save File"),)) 62 63 def create_po_exporter(filename, collection_getter): 64 65 def po_exporter(): 66 file = open(filename, 'w') 67 for translation in collection_getter(): 68 file.write( (u'msgid "%s"\n'%translation.source).encode('utf-8') ) 69 file.write( (u'msgstr "%s"\n\n'%translation.value).encode('utf-8') )70 71 return po_exporter76 using_options( tablename = 'translation' ) 77 language = Field( camelot.types.Language, index = True ) 78 source = Field( Unicode( 500 ), index = True ) 79 value = Field( Unicode( 500 ) ) 80 cid = Field( INT(), default = 0, index = True ) 81 uid = Field( INT(), default = 0, index = True ) 82 83 # cache, to prevent too much of the same sql queries 84 _cache = dict() 8512687 verbose_name_plural = _( 'Translations' ) 88 form_size = ( 700, 150 ) 89 section = 'configuration' 90 list_display = ['source', 'language', 'value', 'uid'] 91 list_filter = ['language'] 92 list_actions = [ExportAsPO()]93 94 @classmethod96 """Translate source to language, return None if no translation is found""" 97 if source: 98 key = ( source, language ) 99 if key in cls._cache: 100 return cls._cache[key] 101 translation = cls.query.filter_by( source = unicode( source ), language = language ).filter( Translation.uid != 0 ).first() 102 if translation: 103 cls._cache[key] = translation.value 104 return translation.value 105 return None 106 return ''107 108 @classmethod110 """Translate source to language, if no translation is found, register the 111 source as to be translated and return the source""" 112 if source: 113 source = unicode( source ) 114 translation = cls.translate( source, language ) 115 if not translation: 116 if not cls.query.filter_by( source = source, language = language ).first(): 117 if ( source, language ) not in cls._cache: 118 from elixir import session 119 registered_translation = Translation( source = source, language = language ) 120 cls._cache[( source, language )] = source 121 session.flush( [registered_translation] ) 122 logger.debug( 'registed %s with id %s' % ( source, registered_translation.id ) ) 123 return source 124 return translation 125 return ''
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