From 98b795c6c41b9d0f2493fb4b8950e8f81ba6faa1 Mon Sep 17 00:00:00 2001
From: Aleksey Lim <alsroot@sugarlabs.org>
Date: Thu, 07 Nov 2013 04:13:03 +0000
Subject: Prioritize LANGUAGE envar while detecting default locales

---
diff --git a/sugar_network/toolkit/__init__.py b/sugar_network/toolkit/__init__.py
index fee7897..d56ec59 100644
--- a/sugar_network/toolkit/__init__.py
+++ b/sugar_network/toolkit/__init__.py
@@ -117,41 +117,42 @@ def default_lang():
     """Default language to fallback for localized strings.
 
     :returns:
-        string in format of HTTP's Accept-Language, e.g., `en-gb`.
+        string in format of HTTP's Accept-Language
 
     """
-    global _default_lang
-
-    if _default_lang is None:
-        import locale
-        lang = locale.getdefaultlocale()[0]
-        if not lang or lang == 'C':
-            _default_lang = 'en'
-        else:
-            lang, region = lang.lower().split('_')
-            if lang == region:
-                _default_lang = lang
-            else:
-                _default_lang = '-'.join([lang, region])
-
-    return _default_lang
+    return default_langs()[0]
 
 
 def default_langs():
     """Default languages list, i.e., including all secondory languages.
 
     :returns:
-        list of strings in format of HTTP's Accept-Language, e.g., `ru,en-gb`.
+        list of strings in format of HTTP's Accept-Language
 
     """
     global _default_langs
 
     if _default_langs is None:
-        langs = os.environ.get('LANGUAGE')
-        if langs:
-            _default_langs = langs.split(':')
+        locales = os.environ.get('LANGUAGE')
+        if locales:
+            locales = [i for i in locales.split(':') if i.strip()]
+        else:
+            from locale import getdefaultlocale
+            locales = [getdefaultlocale()[0]]
+        if not locales:
+            _default_langs = ['en']
         else:
-            _default_langs = [default_lang()]
+            _default_langs = []
+            for locale in locales:
+                lang = locale.strip().split('.')[0].lower()
+                if lang == 'c':
+                    lang = 'en'
+                elif '_' in lang:
+                    lang, region = lang.split('_')
+                    if lang != region:
+                        lang = '-'.join([lang, region])
+                _default_langs.append(lang)
+        _logger.info('Default languages are %r', _default_langs)
 
     return _default_langs
 
diff --git a/tests/__init__.py b/tests/__init__.py
index a82b1f8..fdc7449 100644
--- a/tests/__init__.py
+++ b/tests/__init__.py
@@ -57,7 +57,6 @@ class Test(unittest.TestCase):
 
         os.environ['LANG'] = 'en_US'
         os.environ['LANGUAGE'] = 'en_US'
-        toolkit._default_lang = 'en-us'
         toolkit._default_langs = None
 
         global tmpdir
diff --git a/tests/units/db/index.py b/tests/units/db/index.py
index 45dcbb8..ef6df53 100755
--- a/tests/units/db/index.py
+++ b/tests/units/db/index.py
@@ -567,7 +567,7 @@ class IndexTest(tests.Test):
         self.assertEqual(1, len(commits))
 
     def test_SortLocalizedProps(self):
-        toolkit._default_lang = 'default_lang'
+        toolkit._default_langs = ['default_lang']
         current_lang = locale.getdefaultlocale()[0].replace('_', '-')
 
         db = Index({'prop': IndexedProperty('prop', 1, 'A', localized=True)})
diff --git a/tests/units/db/routes.py b/tests/units/db/routes.py
index b6e0c11..4dd0fea 100755
--- a/tests/units/db/routes.py
+++ b/tests/units/db/routes.py
@@ -384,7 +384,7 @@ class RoutesTest(tests.Test):
         self.assertEqual(-1, self.call('GET', path=['testdocument', guid, 'prop']))
 
     def test_LocalizedSet(self):
-        toolkit._default_lang = 'en'
+        toolkit._default_langs = ['en']
 
         class TestDocument(db.Resource):
 
@@ -449,7 +449,7 @@ class RoutesTest(tests.Test):
                 },
             })
 
-        toolkit._default_lang = 'en'
+        toolkit._default_langs = ['en']
 
         self.assertEqual(
                 {'localized_prop': 'value_en'},
@@ -494,7 +494,7 @@ class RoutesTest(tests.Test):
                 [{'localized_prop': 'value_en'}],
                 self.call('GET', path=['testdocument'], accept_language=['foo', 'fr', 'za'], reply=['localized_prop'])['result'])
 
-        toolkit._default_lang = 'foo'
+        toolkit._default_langs = ['foo']
         fallback_lang = sorted(['ru', 'es', 'en'])[0]
 
         self.assertEqual(
diff --git a/tests/units/toolkit/toolkit.py b/tests/units/toolkit/toolkit.py
index b901583..8c13b84 100755
--- a/tests/units/toolkit/toolkit.py
+++ b/tests/units/toolkit/toolkit.py
@@ -423,7 +423,7 @@ class UtilTest(tests.Test):
 
     def test_gettext(self):
         # Fallback to default lang
-        toolkit._default_lang = 'default'
+        toolkit._default_langs = ['default']
         self.assertEqual('foo', toolkit.gettext({'lang': 'foo', 'default': 'bar'}, 'lang'))
         self.assertEqual('bar', toolkit.gettext({'lang': 'foo', 'default': 'bar'}, 'fake'))
 
@@ -445,7 +445,7 @@ class UtilTest(tests.Test):
         self.assertEqual('foo', toolkit.gettext({'1-a': 'foo', '2': 'bar', 'default': 'default'}, '1-b'))
 
     def test_gettext_EnAsTheLastResort(self):
-        toolkit._default_lang = 'en-us'
+        toolkit._default_langs = ['en-us']
         self.assertEqual('right', toolkit.gettext({'a': 'wrong', 'en': 'right'}, 'probe'))
         self.assertEqual('exact', toolkit.gettext({'a': 'wrong', 'en': 'right', 'probe': 'exact'}, 'probe'))
 
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