Fix translation on Windows

Fixes #8658

gajim/application.py

@@ -144,10 +144,8 @@ class GajimApplication(Gtk.Application):
 
         # Set Application Menu
         app.app = self
-        path = os.path.join(configpaths.get('GUI'), 'application_menu.ui')
-        builder = Gtk.Builder()
-        builder.set_translation_domain(i18n.DOMAIN)
-        builder.add_from_file(path)
+        from gajim import gtkgui_helpers
+        builder = gtkgui_helpers.get_gtk_builder('application_menu.ui')
         menubar = builder.get_object("menubar")
         appmenu = builder.get_object("appmenu")
         if app.prefers_app_menu():

gajim/common/i18n.py

@@ -40,7 +40,6 @@ def initialize():
     except locale.Error as error:
         print(error)
 
-    # initialize_win_translation() broken
     initialize_lang()
     set_i18n_env()
 
@@ -75,8 +74,7 @@ def initialize_lang():
 
 def get_locale_dir():
     if os.name == 'nt':
-        return "../po"
-
+        return None
     # try to find domain in localedir
     path = gettext.find(DOMAIN)
     if path:
@@ -96,44 +94,6 @@ def get_locale_dir():
     return localedir
 
 
-def initialize_win_translation():
-    # broken for now
-    return
-
-    if os.name != 'nt':
-        return
-
-    # needed for docutils
-    # sys.path.append('.')
-    APP = 'gajim'
-    DIR = '../po'
-    lang = locale.getdefaultlocale()[0]
-    os.environ['LANG'] = lang
-    gettext.bindtextdomain(APP, DIR)
-    gettext.textdomain(APP)
-    gettext.install(APP, DIR)
-
-    # This is for Windows translation which is currently not
-    # working on GTK 3.18.9
-    #    locale.setlocale(locale.LC_ALL, '')
-    #    import ctypes
-    #    import ctypes.util
-    #    libintl_path = ctypes.util.find_library('intl')
-    #    if libintl_path == None:
-    #        local_intl = os.path.join('gtk', 'bin', 'intl.dll')
-    #        if os.path.exists(local_intl):
-    #            libintl_path = local_intl
-    #    if libintl_path == None:
-    #        raise ImportError('intl.dll library not found')
-    #    libintl = ctypes.cdll.LoadLibrary(libintl_path)
-    #    libintl.bindtextdomain(APP, DIR)
-    #    libintl.bind_textdomain_codeset(APP, 'UTF-8')
-    #    plugins_locale_dir = os.path.join(common.configpaths[
-    #       'PLUGINS_USER'], 'locale').encode(locale.getpreferredencoding())
-    #    libintl.bindtextdomain('gajim_plugins', plugins_locale_dir)
-    #    libintl.bind_textdomain_codeset('gajim_plugins', 'UTF-8')
-
-
 def initialize_direction_mark():
     from gi.repository import Gtk
 

gajim/gtkgui_helpers.py

@@ -38,6 +38,7 @@ import cairo
 import os
 import sys
 import math
+import xml.etree.ElementTree as ET
 try:
     from PIL import Image
 except:
@@ -125,14 +126,30 @@ def get_image_button(icon_name, tooltip, toggle=False):
 
 def get_gtk_builder(file_name, widget=None):
     file_path = os.path.join(configpaths.get('GUI'), file_name)
-    builder = Gtk.Builder()
+    builder = _translate(file_path, widget)
     builder.set_translation_domain(i18n.DOMAIN)
-    if widget:
-        builder.add_objects_from_file(file_path, [widget])
-    else:
-        builder.add_from_file(file_path)
     return builder
 
+def _translate(gui_file, widget):
+    """
+    This is a workaround for non working translation on Windows
+    """
+    if sys.platform == "win32":
+        tree = ET.parse(gui_file)
+        for node in tree.iter():
+            if 'translatable' in node.attrib:
+                node.text = _(node.text)
+        xml_text = ET.tostring(tree.getroot(),
+                               encoding='unicode',
+                               method='xml')
+        return Gtk.Builder.new_from_string(xml_text, -1)
+    else:
+        if widget is not None:
+            builder = Gtk.Builder()
+            builder.add_objects_from_file(gui_file, [widget])
+            return builder
+        return Gtk.Builder.new_from_file(gui_file)
+
 def get_completion_liststore(entry):
     """
     Create a completion model for entry widget completion list consists of