[ibus-typing-booster] master: Add an is_ascii() utility function (a2f95b5)

Repository : http://git.fedorahosted.org/git/?p=ibus-typing-booster.git

On branch  : master
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commit a2f95b5e55ad1e4c060af9e2e3e25999a86e1bbe
Author: Mike FABIAN 
Date:   Tue Dec 15 16:32:40 2015 +0100

Add an is_ascii() utility function
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ibus-typing-booster/engine/itb_util.py |   29 ++++++++++++++++++++++++++++-
 1 files changed, 28 insertions(+), 1 deletions(-)

diff --git a/ibus-typing-booster/engine/itb_util.py b/ibus-typing-booster/engine/itb_util.py
index b901db1..9cbc76b 100755
--- a/ibus-typing-booster/engine/itb_util.py
+++ b/ibus-typing-booster/engine/itb_util.py
@@ -3,7 +3,7 @@
 #
 # ibus-typing-booster - The Tables engine for IBus
 #
-# Copyright (c) 2013 Mike FABIAN 
+# Copyright (c) 2013-2015 Mike FABIAN 
 #
 # This program is free software: you can redistribute it and/or modify
 # it under the terms of the GNU General Public License as published by
@@ -65,3 +65,30 @@ def tokenize(text):
         tokens.append(strip_token(s))
     return tokens

+def is_ascii(text):
+    '''Checks whether all characters in text are ASCII characters
+
+    Returns ���True��� if the text is all ASCII, ���False��� if not.
+
+    :param text: The text to check
+    :type text: string
+    :rtype: bool
+
+    Examples:
+
+    >>> is_ascii('Abc')
+    True
+
+    >>> is_ascii('Na��ve')
+    False
+    '''
+    try:
+        text.encode('ascii')
+    except UnicodeEncodeError:
+        return False
+    else:
+        return True
+
+if __name__ == "__main__":
+    import doctest
+    doctest.testmod()