add default language configuration

.gitignore

@@ -22,3 +22,4 @@ cps/static/[0-9]*
 .idea/
 *.bak
 *.log.*
+tags

cps/config.py

@@ -56,6 +56,7 @@ LOG_DIR = check_setting_str(CFG, 'General', 'LOG_DIR', os.getcwd())
 PORT = check_setting_int(CFG,  'General', 'PORT', 8083)
 NEWEST_BOOKS = check_setting_str(CFG, 'General', 'NEWEST_BOOKS', 60)
 RANDOM_BOOKS = check_setting_int(CFG, 'General', 'RANDOM_BOOKS', 4)
+DEFAULT_LANG = check_setting_str(CFG, 'General', 'DEFAULT_LANG', "")
 
 CheckSection('Advanced')
 TITLE_REGEX = check_setting_str(CFG, 'Advanced', 'TITLE_REGEX', '^(A|The|An|Der|Die|Das|Den|Ein|Eine|Einen|Dem|Des|Einem|Eines)\s+')
@@ -72,7 +73,7 @@ if DB_ROOT == "":
 
 configval = {"DB_ROOT": DB_ROOT, "APP_DB_ROOT": APP_DB_ROOT, "MAIN_DIR": MAIN_DIR, "LOG_DIR": LOG_DIR, "PORT": PORT,
             "NEWEST_BOOKS": NEWEST_BOOKS, "DEVELOPMENT": DEVELOPMENT, "TITLE_REGEX": TITLE_REGEX,
-            "PUBLIC_REG": PUBLIC_REG, "UPLOADING": UPLOADING, "ANON_BROWSE": ANON_BROWSE}
+            "PUBLIC_REG": PUBLIC_REG, "UPLOADING": UPLOADING, "ANON_BROWSE": ANON_BROWSE, "DEFAULT_LANG": DEFAULT_LANG}
 
 
 def save_config(configval):
@@ -85,6 +86,7 @@ def save_config(configval):
     new_config['General']['LOG_DIR'] = configval["LOG_DIR"]
     new_config['General']['PORT'] = configval["PORT"]
     new_config['General']['NEWEST_BOOKS'] = configval["NEWEST_BOOKS"]
+    new_config['General']['DEFAULT_LANG'] = configval["DEFAULT_LANG"]
     new_config['Advanced'] = {}
     new_config['Advanced']['TITLE_REGEX'] = configval["TITLE_REGEX"]
     new_config['Advanced']['DEVELOPMENT'] = int(configval["DEVELOPMENT"])

cps/web.py

@@ -165,7 +165,8 @@ LANGUAGES = {
     'en': 'English',
     'de': 'Deutsch',
     'fr': 'Français',
-    'es': 'Español'
+    'es': 'Español',
+    'zh_Hans_CN': '简体中文'
 }
 
 
@@ -173,9 +174,14 @@ LANGUAGES = {
 def get_locale():
     # if a user is logged in, use the locale from the user settings
     user = getattr(g, 'user', None)
+    translations = babel.list_translations() + [LC('en')]
     if user is not None and hasattr(user, "locale"):
+        if user.locale == 'zh':
+            return 'zh_Hans_CN'
         return user.locale
     preferred = [x.replace('-', '_') for x in request.accept_languages.values()]
+    if config.DEFAULT_LANG:
+        return config.DEFAULT_LANG
     return negotiate_locale(preferred, LANGUAGES.keys())