Add helper function to sort translated tags

Sorting tags using this function puts all tags of length 1 at the
beginning. This groups all tags mapped to unicode characters.

1 files changed, 10 insertions, 0 deletions

diff --git a/alot/helper.py b/alot/helper.py
index aa5c7953..95c7f06a 100644
--- a/alot/helper.py
+++ b/alot/helper.py
@@ -212,3 +212,13 @@ def shell_quote(text):
     'hello'"'"'there'
     '''
     return "'%s'" % text.replace("'", """'"'"'""")
+
+def tag_cmp(a, b):
+    r'''
+    Sorting tags using this function puts all tags of length 1 at the
+    beginning. This groups all tags mapped to unicode characters.
+    '''
+    if min(len(a), len(b)) == 1:
+        return cmp(len(a), len(b))
+    else:
+        return cmp(a, b)