diff -urN yum-langpacks-0.4.2.old/langpacks.py yum-langpacks-0.4.2/langpacks.py

--- yum-langpacks-0.4.2.old/langpacks.py	2013-10-08 14:22:25.000000000 +0530

+++ yum-langpacks-0.4.2/langpacks.py	2013-11-15 14:13:33.966937576 +0530

@@ -56,7 +56,7 @@

 langs = []

 langinstalled = []

-

+whitelisted_locales = ['en_AU', 'en_CA', 'en_GB', 'pt_BR', 'pt_PT', 'zh_CN', 'zh_TW']

 conditional_pkgs = {}

 def _setup_conditional_pkgs(repos):

@@ -127,7 +127,7 @@

 		      if lname not in skip_pkg_list:

 		           langlist.append(lname)

-    return langlist

+    return (seen, langlist)

 def lc_to_langname(lc):

     return langtable.language_name(languageId=lc, languageIdQuery="en").encode("UTF-8")

@@ -297,6 +297,35 @@

           uniq_list.append(wover)

    return sorted(uniq_list)

+def get_matches_from_repo(langpack_pkgs, lang):

+    avl_langpack_pkgs = []

+    #Check if lang is empty, case like input mara, marat

+    if len(lang) == 0:

+        return avl_langpack_pkgs

+    lname = lc_to_langname(lang)

+    lang = "-" + lang

+    for pkgs in langpack_pkgs:

+        if len(lang) < 5 and lang.find("_") == -1:

+            if pkgs.find(lang, len(pkgs)-len(lang), len(pkgs)) > 0 :

+                avl_langpack_pkgs.append(pkgs)

+            if lname:

+                if pkgs.find(lname, len(pkgs)-len(lname), len(pkgs)) > 0 :

+                    avl_langpack_pkgs.append(pkgs)

+        if len(lang) > 4 and lang.find("_") != -1:

+            mainlang = lang[0:lang.find("_")]

+            if pkgs.find(lang, len(pkgs)-len(lang), len(pkgs)) > 0 :

+                avl_langpack_pkgs.append(pkgs)

+           # if input pt_BR then show for pt and pt_BR

+            # if input zh_CN then show for zh and zh_CN

+            elif pkgs.find(mainlang, len(pkgs)-len(mainlang), len(pkgs)) > 0 :

+                avl_langpack_pkgs.append(pkgs)

+

+            if lname:

+                if pkgs.find(lname, len(pkgs)-len(lname), len(pkgs)) > 0 :

+                    avl_langpack_pkgs.append(pkgs)

+

+    return sorted(avl_langpack_pkgs)

+

 def get_matches_from_ts(lang, base = None):

     yb = base

     sack = base.pkgSack

@@ -574,13 +603,27 @@

     def doCommand(self, base, basecmd, extcmds):

         base.repos.doSetup()

         _setup_conditional_pkgs(base.repos.listEnabled())

+        (langpack_pkgs, ra_list) = read_available_langpacks(base)

+

         for lang in extcmds:

-	    print "Language-Id={0}".format(lang)

-	    if len(lang) > 3 and lang.find("_") == -1:

-                list_pkgs = get_matches_from_ts(langname_to_lc(lang), base)

+            print "Language-Id={0}".format(lang)

+            if len(lang) == 1:

+                print "Not a valid input"

+                return 0, [""]

+            # Case to handle input like zh_CN, pt_BR

+            elif lang in whitelisted_locales and len(lang) > 3 and lang.find("_") != -1:

+                list_pkgs = get_matches_from_repo(langpack_pkgs, lang)

+            # Case for full language name input like Japanese

+            elif len(lang) > 3 and lang.find("_") == -1:

+                list_pkgs = get_matches_from_repo(langpack_pkgs, langname_to_lc(lang))

+            # General case to handle input like ja, ru, fr, it

             else:

-	        list_pkgs = get_matches_from_ts(lang, base)

-	    for pkg in set(list_pkgs):

+                if lang.find("_") == -1:

+                     list_pkgs = get_matches_from_repo(langpack_pkgs, lang)

+                # Case to not process mr_IN or mai_IN locales

+                else:

+                     list_pkgs = []

+            for pkg in list_pkgs:

 		print "  " + pkg

 	    if len(list_pkgs) == 0:

                  print "No langpacks to show for languages: {0}".format(lang)

@@ -603,8 +646,8 @@

         base.repos.doSetup()

         _setup_conditional_pkgs(base.repos.listEnabled())

-        list = read_available_langpacks(base)

-        langlist = get_unique_language_names(list)

+        (language_packs, ra_list) = read_available_langpacks(base)

+        langlist = get_unique_language_names(ra_list)

         if not extcmds:

             print "Displaying all available language:-"