Chris' changes, I think....

lib/python/SearchIndex/InvertedIndex.py

@@ -30,7 +30,7 @@ Example usage:
     print i['blah']
 
       
-$Id: InvertedIndex.py,v 1.28 1997/03/31 23:17:53 jim Exp $'''
+$Id: InvertedIndex.py,v 1.29 1997/04/08 00:14:22 jim Exp $'''
 #     Copyright 
 #
 #       Copyright 1996 Digital Creations, L.C., 910 Princess Anne
@@ -82,6 +82,9 @@ $Id: InvertedIndex.py,v 1.28 1997/03/31 23:17:53 jim Exp $'''
 #   (540) 371-6909
 #
 # $Log: InvertedIndex.py,v $
+# Revision 1.29  1997/04/08 00:14:22  jim
+# Chris' changes, I think....
+#
 # Revision 1.28  1997/03/31 23:17:53  jim
 # I put back the list_class hook.
 #
@@ -181,7 +184,7 @@ $Id: InvertedIndex.py,v 1.28 1997/03/31 23:17:53 jim Exp $'''
 #
 #
 # 
-__version__='$Revision: 1.28 $'[11:-2]
+__version__='$Revision: 1.29 $'[11:-2]
 
 
 import regex, regsub, string, copy
@@ -362,27 +365,35 @@ class ResultList:
     		  
     	result = self.__class__()
     
-    for key,v in self.items():
-	try: value = x[key]
-	except KeyError: value=None
-	if value is None: continue
+    	for key, v in self.items():
+    	    try: 
+    		value = x[key]
+    	    except KeyError: 
+    		value = None
     
-	positions = v[1]+value[1]
+    	    if value is None:
+    		continue
+    
+    	    positions = v[1] + value[1]
     	    positions.sort()
-	positionsr=[]
+    	    positionsr = []
     	    rel = pow(v[0] * value[0], 0.5)
     
-	pl=positions[0]
-	rl=-1
-	for i in range(1,len(positions)):
-	    p=positions[i]
-	    d=p-pl
+    	    pl = positions[0]
+    	    rl = -1
+    	    for i in range(1, len(positions)):
+    		p = positions[i]
+    		d = p - pl
     		if d > 0 and d <= distance:
-		if pl != rl: positionsr.append(pl)
+    		    if pl != rl:
+    			positionsr.append(pl)
     		    positionsr.append(p)
-		rl=p
-	    pl=p
-	result[key]=positionsr
+    		    rl = p
+    		pl = p
+    	    
+    	    if (len(positionsr)):
+    		result[key] = positionsr
+    
     	return result