[kupfer] relevance: Tweak empty query checks

[Ulrik Sverdrup <usverdrup src gnome org>]

commit 874ba20d3345ca964084dca3a0ca51a4b3bbfcec
Author: Ulrik Sverdrup <ulrik sverdrup gmail com>
Date:   Fri Sep 11 15:17:31 2009 +0200

    relevance: Tweak empty query checks
    
    if len(query) == 0 -> to pythonic if not query
    
    _findBestMatch returns 0,0 with empty query, not ""; this path of code
    is not taken at all here anyway, so removing the if.

 kupfer/relevance.py |    7 ++-----
 1 files changed, 2 insertions(+), 5 deletions(-)
---
diff --git a/kupfer/relevance.py b/kupfer/relevance.py
index d2f7549..a01ac3b 100644
--- a/kupfer/relevance.py
+++ b/kupfer/relevance.py
@@ -105,8 +105,8 @@ def score(s, query):
     >>> print score('terminal', 'tlm')
     0.0
     """
-    if len(query) == 0:
-        return 1
+    if not query:
+        return 1.0
     
     score = float(0)
     ls = s.lower()
@@ -185,9 +185,6 @@ def _findBestMatch(s, query):
     >>> _findBestMatch('teerminal', 'erml')
     (2, 9)
     """
-    if len(query) == 0:
-        return 0, 0
-    
     index = -1
     bestMatch = -1, -1