From d9eb3274aaa6e1395c86c4dfaa488e493969857b Mon Sep 17 00:00:00 2001
From: mike <michael.jmontcalm@gmail.com>
Date: Mon, 30 Nov 2009 16:51:15 +0000
Subject: LP 448319 : Translation layer tests and automatic generation of pot file (ongoing)

---
(limited to 'tutorius/translator.py')

diff --git a/tutorius/translator.py b/tutorius/translator.py
index bd24f8f..f8a3fd7 100644
--- a/tutorius/translator.py
+++ b/tutorius/translator.py
@@ -17,6 +17,9 @@
 import os
 import logging
 import copy as copy_module
+import gettext
+import os
+import locale
 
 logger = logging.getLogger("ResourceTranslator")
 
@@ -52,7 +55,47 @@ class ResourceTranslator(object):
         """
         self._probe_manager = probe_manager
         self._tutorial_id = tutorial_id
+
+        # Pick up the language for the user
+        langs = []
+        language = os.environ.get("LANGUAGE", None)
+        if language:
+            langs = language.split(':')        
+
+        # Get the default machine language
+        lc, encoding = locale.getdefaultlocale()
+        if lc:
+            langs += [lc]
+
+        l10n_dir = Vault.get_localization_dir(tutorial_id)
+        logger.debug("ResourceTranslator :: Looking for localization resources for languages %s in folder %s"%(str(langs), l10n_dir))
+        if l10n_dir:
+            try:
+                trans = gettext.translation('tutorial_text',
+                                            l10n_dir,
+                                            languages=langs)
+                self._ = trans.ugettext
+            except IOError:
+                self._ = None
+        else:
+            self._ = None
         
+    def translate_string(self, str_value):
+        """
+        Replaces the TString property by its localized equivalent.
+
+        @param str_value The straing to translate
+        """
+        # If we have a localization folder
+        if self._:
+            # Apply the translation
+            u_string = unicode(self._(str_value))
+
+            # Encode the string in UTF-8 for it to pass thru DBus
+            return u_string.encode("utf-8")
+        # There was no translation
+        return unicode(str_value).encode("utf-8")
+
     def translate_resource(self, res_value):
         """
         Replace the TResourceProperty in the container by their
@@ -62,9 +105,9 @@ class ResourceTranslator(object):
         to transform the resource identifier into the absolute path for
         the process to be able to use it properly.
 
-        @param res_prop The resource property's value to be translated
+        @param res_value The resource property's value to be translated
         @return The TFileProperty corresponding to this resource, containing
-                an absolute path to the resource
+                an absolute path to it 
         """
         # We need to replace the resource by a file representation
         filepath = Vault.get_resource_path(self._tutorial_id, res_value)
@@ -100,6 +143,12 @@ class ResourceTranslator(object):
             prop_value = getattr(prop_container, propname)
             prop_type = getattr(type(prop_container), propname).type
 
+            # If the propert is a string, we need to use the localization
+            # to find it's equivalent
+            if prop_type == "string":
+                str_value = self.translate_string(prop_value)
+                prop_container.replace_property(propname, str_value)
+
             # If the property is a resource, then we need to query the
             # vault to create its correspondent
             if prop_type == "resource":
--
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