def boolSearch(ands=[], ors=[], nots=[]):
"""Build a simple boolean query.
each word in B{ands} is equiv to +word
each word in B{ors} is equiv to word
each word in B{nots} is equiv to -word
e.g. boolSearch(['spam'], ['eggs'], ['parrot', 'cheese'])
is equiv to +spam eggs -parrot -cheese in Google/Lucene syntax"""
q = BooleanQuery()
for a in ands:
t = Term('text', a)
tq = TermQuery(t)
q.add(tq, True, False)
for a in ors:
t = Term('text', a)
tq = TermQuery(t)
q.add(tq, False, False)
for a in nots:
t = Term('text', a)
tq = TermQuery(t)
q.add(tq, False, True)
return q
def boolSearch(self, field, ands=[], ors=[], nots=[]):
"""Build a simple boolean query.
Each word in C{ands} is equiv to +word
Each word in C{ors} is equiv to word
Each word in C{nots} is equiv to -word
E.g. C{boolSearch(['spam'], ['eggs'], ['parrot', 'cheese'])} is
equiv to C{+spam eggs -parrot -cheese} in Google/Lucene syntax.
"""
q = BooleanQuery()
for a in ands:
t = Term(field, a)
tq = TermQuery(t)
q.add(tq, True, False)
for a in ors:
t = Term(field, a)
tq = TermQuery(t)
q.add(tq, False, False)
for a in nots:
t = Term(field, a)
tq = TermQuery(t)
q.add(tq, False, True)
return q
def _formats_query(main_query, formats):
if formats is None:
return main_query
q = BooleanQuery()
fq = BooleanQuery()
for f in formats:
t = Term("formats", f.lower())
tq = TermQuery(t)
fq.add(tq, required = False, prohibited = False)
q.add(fq, required = True, prohibited = False)
q.add(main_query, required = True, prohibited = False)
return q
def titleSearch(qStr):
t = Term('title', qStr)
q = TermQuery(t)
return q
def termSearch(qStr):
t = Term('text', qStr)
q = TermQuery(t)
return q
def termSearch(qStr):
t = Term('body', qStr)
q = TermQuery(t)
return q
def _phrase_query(field, phrase):
q = BooleanQuery()
for p in phrase.split():
t = Term(field, p.lower())
q.add(TermQuery(t), required = True, prohibited = False)
return q
def termSearch(self, field, term):
"Search for a single C{term} in a C{field}."
t = Term(field, term)
q = TermQuery(t)
return q