Refactored web.py to shrink size of file

cps/babel.py

@@ -0,0 +1,30 @@
+from babel import Locale as LC
+from babel import negotiate_locale
+from flask_babel import Babel
+from babel.core import UnknownLocaleError
+from flask import request, g
+
+from . import logger
+
+log = logger.create()
+
+babel = Babel()
+BABEL_TRANSLATIONS = set()
+
+@babel.localeselector
+def get_locale():
+    # if a user is logged in, use the locale from the user settings
+    user = getattr(g, 'user', None)
+    if user is not None and hasattr(user, "locale"):
+        if user.name != 'Guest':   # if the account is the guest account bypass the config lang settings
+            return user.locale
+
+    preferred = list()
+    if request.accept_languages:
+        for x in request.accept_languages.values():
+            try:
+                preferred.append(str(LC.parse(x.replace('-', '_'))))
+            except (UnknownLocaleError, ValueError) as e:
+                log.debug('Could not parse locale "%s": %s', x, e)
+
+    return negotiate_locale(preferred or ['en'], BABEL_TRANSLATIONS)