Change available language.

Language for change by --lang: en_US, de_DE, es_ES, fr_FR, it_IT, pl_PL,
pt_BR, uk_UA, ru_RU, bg_BG.

pym/cl_fill_install.py

@@ -1009,7 +1009,9 @@ class fillVars(object, glob_attr):
 
     def get_os_install_lang(self):
         """Supported languages"""
-        return clLocale().getLangs()
+        return list(set(clLocale().getLangs()) &
+            set(["en_US","de_DE","es_ES","fr_FR","it_IT","pl_PL","pt_BR",
+                "uk_UA","bg_BG","ru_RU"]))
 
     def get_os_install_scratch(self):
         """Install system in scratch mode"""

pym/cl_install.py

@@ -1855,7 +1855,7 @@ the system") + " (yes/no)"
     def setAllLocaleByLang(self,lang):
         """Set all locale variable by specified lang"""
         locale = clLocale()
-        if not locale.isLangExists(lang):
+        if not lang in self.clVars.Get('os_install_lang'):
             return False
         self.clVars.Set('os_install_locale_lang',lang, True)
         self.clVars.Set('os_install_locale_locale',