Moved language names from iso639.pickle to a python file

cps/isoLanguages.py

@@ -1,4 +1,3 @@
-#!/usr/bin/env python
 # -*- coding: utf-8 -*-
 
 #   This file is part of the Calibre-Web (https://github.com/janeczku/calibre-web)
@@ -18,14 +17,8 @@
 #   along with this program. If not, see <http://www.gnu.org/licenses/>.
 
 from __future__ import division, print_function, unicode_literals
-import sys
-import os
-try:
-    import cPickle
-except ImportError:
-    import pickle as cPickle
 
-from .constants import TRANSLATIONS_DIR as _TRANSLATIONS_DIR
+from .iso_language_names import LANGUAGE_NAMES as _LANGUAGE_NAMES
 
 
 try:
@@ -54,16 +47,8 @@ except ImportError:
             return _copy_fields(pyc_languages.get(name=name))
 
 
-try:
-    with open(os.path.join(_TRANSLATIONS_DIR, 'iso639.pickle'), 'rb') as f:
-        _LANGUAGES = cPickle.load(f)
-except cPickle.UnpicklingError as error:
-    print("Can't read file cps/translations/iso639.pickle: %s" % error)
-    sys.exit(1)
-
-
 def get_language_names(locale):
-    return _LANGUAGES.get(locale)
+    return _LANGUAGE_NAMES.get(locale)
 
 
 def get_language_name(locale, lang_code):