def _makeIndexAndParser(self):
from zope.index.text.lexicon import Lexicon
from zope.index.text.lexicon import Splitter
from zope.index.text.queryparser import QueryParser
lexicon = Lexicon(Splitter())
parser = QueryParser(lexicon)
index = FauxIndex()
return index, parser
def apply(self, querytext, start=0, count=None):
parser = QueryParser(self.lexicon)
tree = parser.parseQuery(querytext)
results = tree.executeQuery(self.index)
if results:
qw = self.index.query_weight(tree.terms())
# Hack to avoid ZeroDivisionError
if qw == 0:
qw = 1.0
qw *= 1.0
for docid, score in six.iteritems(results):
try:
results[docid] = score / qw
except TypeError:
# We overflowed the score, perhaps wildly unlikely.
# Who knows.
results[docid] = 2**64 // 10
return results
