Commit 005aafef authored by chris's avatar chris

Went back to returning empty ResultLists for failed searches.

parent 1bec64f8
......@@ -35,7 +35,7 @@ Example usage:
InvertedIndex provides three types of indexes: one non-persistent
index, Index, and two persistent indexes, Persistent and Transactional.
$Id: InvertedIndex.py,v 1.3 1996/12/03 17:44:21 chris Exp $'''
$Id: InvertedIndex.py,v 1.4 1996/12/03 18:11:57 chris Exp $'''
# Copyright
#
# Copyright 1996 Digital Creations, L.C., 910 Princess Anne
......@@ -87,6 +87,9 @@ $Id: InvertedIndex.py,v 1.3 1996/12/03 17:44:21 chris Exp $'''
# (540) 371-6909
#
# $Log: InvertedIndex.py,v $
# Revision 1.4 1996/12/03 18:11:57 chris
# Went back to returning empty ResultLists for failed searches.
#
# Revision 1.3 1996/12/03 17:44:21 chris
# Added pack() methods to Persistent and Transactional.
# Disabled autosave on Persistent.
......@@ -101,7 +104,7 @@ $Id: InvertedIndex.py,v 1.3 1996/12/03 17:44:21 chris Exp $'''
#
#
#
__version__='$Revision: 1.3 $'[11:-2]
__version__='$Revision: 1.4 $'[11:-2]
import regex, regsub, string, marshal
......@@ -410,19 +413,25 @@ class Index:
Lists = dict.keys()
if (not len(Lists)):
raise KeyError
return List()
return reduce(lambda x, y: x | y, Lists)
key = string.lower(key)
try:
key = index[key]
except KeyError:
return List()
while (type(key) == StringType):
try:
key = index[key]
except KeyError:
return List()
if (key is None):
raise KeyError
return List()
return key
......
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