def handleSearch(self, data):
self.log(repr(data))
queryType = data.query[0]
query = None
queryString = ""
if (queryType in ['type_1', 'type_101']):
zQuery = data.query[1]
attrset = zQuery.attributeSet
rpn = zQuery.rpn
query = CQLUtils.rpn2cql(rpn)
elif (queryType == 'type_0'):
# A Priori external
queryString = data.query[1]
elif (queryType == 'type_2'):
# ISO8777 (CCL)
queryString = data.query[1]
elif (queryType == 'type_104'):
# Look for CQL or SQL
type104 = data.query[1].direct_reference
if (type104 == Z3950_QUERY_CQL_ov):
queryString = data.query[1].encoding[1]
# Native CQL query
# Looks like: ((0,27) 'query', 0)
query = cql.parse(queryString)
elif (type104 == Z3950_QUERY_SQL_ov):
# Hopefully just pass off to Postgres
# Grab directly out of structure??
sqlQ = data.query[1].encoding[1]
queryString = sqlQ.queryExpression
else:
# Undefined query type
raise NotImplementedError
elif (queryType in ['type_102', 'type_100']):
# 102: Ranked List, not yet /defined/ let alone implemented
# 100: Z39.58 query (Standard was withdrawn)
raise NotImplementedError
if query:
self.log(query.toXCQL())
elif queryString:
self.log("type: " + queryType)
self.log("query: " + queryString)
rsetname = data.resultSetName
dbs = data.databaseNames
if len(dbs) == 1 and dbs[0].lower() == "ir-explain-1":
self.search_explain(query)
resp = SearchResponse()
resp.resultCount = 0
if len(dbs) == 1 and dbs[0].lower() == 'l5r':
rs = l5r.handle_search(None, query)
if (rs):
resp.resultCount = len(rs)
# Put it into our DB
rsid = rss.create_resultSet(None, rs)
rsidmap[data.resultSetName] = rsid
resp.numberOfRecordsReturned = 0
resp.nextResultSetPosition = 1
resp.searchStatus = 1
resp.resultSetStatus = 1
resp.presentStatus = PresentStatus.get_num_from_name('failure')
return self.encode(('searchResponse', resp))
def handleScan(self, session, data):
if (hasattr(data, 'stepSize')):
step = data.stepSize
else:
step = 0
resp = ScanResponse()
resp.stepSize = step
resp.scanStatus = 1
resp.numberOfEntriesReturned = 0
resp.positionOfTerm = 0
try:
dbs = data.databaseNames
if len(dbs) != 1:
# Can only scan one db at once? (XXX)
raise ValueError
nt = data.numberOfTermsRequested
rp = data.preferredPositionInResponse
if (rp < 0 or rp > (nt + 1)):
# Busted numbers (XXX)
raise ValueError
dbname = dbs[0]
cfg = self.session.configs.get(dbname, None)
db = cfg.parent
session.database = db.id
where = data.termListAndStartPoint
# Make it look like part of an RPN query...
w = ('op', ('attrTerm', where))
clause = CQLUtils.rpn2cql(w, cfg)
if not clause.term.value:
clause.term.value = 'a'
nstms = nt * (step + 1)
terms = []
clause = cqlParser.parse(clause.toCQL())
if (rp == 1):
data = db.scan(session, clause, nstms, direction=">=")
elif (rp == 0):
data = db.scan(session, clause, nstms, direction=">")
elif (rp == mt):
data = db.scan(session, clause, nstms, direction="<=")
data.reverse()
elif (rp == mt + 1):
data = db.scan(session, clause, nstms, direction="<")
data.reverse()
else:
# Need to go up and down
data1 = db.scan(session, clause, nt - rp + 1, direction=">=")
data = db.scan(session, clause, rp, direction="<=")
if data1[0][0] == data[0][0]:
data = data[1:]
data.reverse()
data.extend(data1)
for d in data[::step + 1]:
t = TermInfo()
t.term = ('general', d[0])
t.globalOccurrences = d[1][1]
terms.append(('termInfo', t))
resp.positionOfTerm = rp
resp.numberOfEntriesReturned = len(terms)
resp.scanStatus = 0
l = ListEntries()
l.entries = terms
resp.entries = l
except Exception, err:
l = ListEntries()
d = self.generate_diagnostic(err)
d.condition = 123
diag = [('defaultFormat', d)]
l.nonsurrogateDiagnostics = diag
resp.entries = l
resp.numberOfEntriesReturned = 0
resp.scanStatus = 6
def handleScan(self, session, data):
if (hasattr(data, 'stepSize')):
step = data.stepSize
else:
step = 0
resp = ScanResponse()
resp.stepSize = step
resp.scanStatus = 1
resp.numberOfEntriesReturned = 0
resp.positionOfTerm = 0
try:
dbs = data.databaseNames
if len(dbs) != 1:
# Can only scan one db at once? (XXX)
raise ValueError
nt = data.numberOfTermsRequested
rp = data.preferredPositionInResponse
if (rp < 0 or rp > (nt+1)):
# Busted numbers (XXX)
raise ValueError
dbname = dbs[0]
cfg = self.session.configs.get(dbname, None)
db = cfg.parent
session.database = db.id
where = data.termListAndStartPoint
# Make it look like part of an RPN query...
w = ('op', ('attrTerm', where))
clause = CQLUtils.rpn2cql(w, cfg)
if not clause.term.value:
clause.term.value = 'a'
nstms = nt * (step + 1)
terms = []
clause = cqlParser.parse(clause.toCQL())
if (rp == 1):
data = db.scan(session, clause, nstms, direction=">=")
elif (rp == 0):
data = db.scan(session, clause, nstms, direction=">")
elif (rp == mt):
data = db.scan(session, clause, nstms, direction="<=")
data.reverse()
elif (rp == mt+1):
data = db.scan(session, clause, nstms, direction="<")
data.reverse()
else:
# Need to go up and down
data1 = db.scan(session, clause, nt-rp+1, direction=">=")
data = db.scan(session, clause, rp, direction="<=")
if data1[0][0] == data[0][0]:
data = data[1:]
data.reverse()
data.extend(data1)
for d in data[::step+1]:
t = TermInfo()
t.term = ('general', d[0])
t.globalOccurrences = d[1][1]
terms.append(('termInfo', t))
resp.positionOfTerm = rp
resp.numberOfEntriesReturned = len(terms)
resp.scanStatus = 0
l = ListEntries()
l.entries = terms
resp.entries = l
except Exception, err:
l = ListEntries()
d = self.generate_diagnostic(err)
d.condition = 123
diag = [('defaultFormat', d)]
l.nonsurrogateDiagnostics = diag
resp.entries = l
resp.numberOfEntriesReturned = 0
resp.scanStatus = 6
def handleSearch(self, session, data):
# Must return a response no matter what
resp = SearchResponse()
resp.resultCount = 0
resp.numberOfRecordsReturned = 0
resp.nextResultSetPosition = 1
resp.searchStatus = 1
resp.resultSetStatus = 1
resp.presentStatus = PresentStatus.get_num_from_name('failure')
try:
queryType = data.query[0]
query = ["", ""]
if (queryType in ['type_1', 'type_101']):
zQuery = data.query[1]
attrset = zQuery.attributeSet
query = ['rpn', zQuery.rpn]
elif (queryType == 'type_0'):
# A Priori external. We assume CQL
query = ['cql', data.query[1]]
elif (queryType == 'type_2'):
# ISO8777 (CCL)
rpn = ccl.mk_rpn_query(data.query[1])
query = ['rpn', rpn]
elif (queryType == 'type_104'):
# Look for CQL or SQL
type104 = data.query[1].direct_reference
if (type104 == Z3950_QUERY_CQL_ov):
query = ['cql', data.query[1].encoding[1]]
elif (type104 == Z3950_QUERY_SQL_ov):
query = ['sql', data.query[1].encoding[1].queryExpression]
# XXX Implement direct to postgres
raise NotImplementedError
else:
# Undefined query type
raise NotImplementedError
elif (queryType in ['type_102', 'type_100']):
# 102: Ranked List, not yet /defined/ let alone implemented
# 100: Z39.58 query (Standard was withdrawn)
raise NotImplementedError
rsetname = data.resultSetName
dbs = data.databaseNames
resultSets = []
if query[0] == 'cql':
q = CQLParser.parse(query[1])
for dbname in dbs:
cfg = self.session.configs.get(dbname, None)
if cfg is not None:
db = cfg.parent
if query[0] == 'rpn':
self.log("Trying to convert: %s" % (repr(query[1])))
q = CQLUtils.rpn2cql(query[1], cfg)
self.log("--> " + q.toCQL())
session.database = db.id
q = cqlParser.parse(q.toCQL())
resultSets.append(db.search(session, q))
else:
raise ValueError("%s not in %r" %
(dbname, self.session.configs.keys()))
if len(resultSets) > 1:
rs = resultSets[0]
for r in resultSets[1:]:
rs.combine(r)
elif len(resultSets) == 1:
rs = resultSets[0]
else:
# No resultset.
return self.encode(('searchResponse', resp))
resp.resultCount = len(rs)
# Maybe put it into our DB
if session.resultSets.has_key(rsetname):
rsid = session.resultSets[rsetname]
rs.id = rsid
session.resultSetStore.store_resultSet(session, rs)
else:
rsid = session.resultSetStore.create_resultSet(session, rs)
session.resultSets[rsetname] = rsid
# only keep 4 at once
keys = session.resultSetCache.keys()
if len(keys) > 3:
# delete one at random
r = rand.randint(0, 3)
del session.resultSetCache[keys[r]]
session.resultSetCache[rsid] = rs
except Exception, err:
# XXX add -correct- diagnostic
resp.numberOfRecordsReturned = 1
resp.nextResultSetPosition = 0
resp.resultSetStatus = 3
d = self.generate_diagnostic(err)
diag = ('nonSurrogateDiagnostic', d)
resp.records = diag
def handleSearch(self, session, data):
# Must return a response no matter what
resp = SearchResponse()
resp.resultCount = 0
resp.numberOfRecordsReturned = 0
resp.nextResultSetPosition = 1
resp.searchStatus = 1
resp.resultSetStatus = 1
resp.presentStatus = PresentStatus.get_num_from_name('failure')
try:
queryType = data.query[0]
query = ["", ""]
if (queryType in ['type_1', 'type_101']):
zQuery = data.query[1]
attrset = zQuery.attributeSet
query = ['rpn', zQuery.rpn]
elif (queryType == 'type_0'):
# A Priori external. We assume CQL
query = ['cql', data.query[1]]
elif (queryType == 'type_2'):
# ISO8777 (CCL)
rpn = ccl.mk_rpn_query(data.query[1])
query = ['rpn', rpn]
elif (queryType == 'type_104'):
# Look for CQL or SQL
type104 = data.query[1].direct_reference
if (type104 == Z3950_QUERY_CQL_ov):
query = ['cql', data.query[1].encoding[1]]
elif (type104 == Z3950_QUERY_SQL_ov):
query = ['sql', data.query[1].encoding[1].queryExpression]
# XXX Implement direct to postgres
raise NotImplementedError
else:
# Undefined query type
raise NotImplementedError
elif (queryType in ['type_102', 'type_100']):
# 102: Ranked List, not yet /defined/ let alone implemented
# 100: Z39.58 query (Standard was withdrawn)
raise NotImplementedError
rsetname = data.resultSetName
dbs = data.databaseNames
resultSets = []
if query[0] == 'cql':
q = CQLParser.parse(query[1])
for dbname in dbs:
cfg = self.session.configs.get(dbname, None)
if cfg is not None:
db = cfg.parent
if query[0] == 'rpn':
self.log("Trying to convert: %s" % (repr(query[1])))
q = CQLUtils.rpn2cql(query[1], cfg)
self.log("--> " + q.toCQL())
session.database = db.id
q = cqlParser.parse(q.toCQL())
resultSets.append(db.search(session, q))
else:
raise ValueError("%s not in %r" % (dbname, self.session.configs.keys()))
if len(resultSets) > 1:
rs = resultSets[0]
for r in resultSets[1:]:
rs.combine(r)
elif len(resultSets) == 1:
rs = resultSets[0]
else:
# No resultset.
return self.encode(('searchResponse', resp))
resp.resultCount = len(rs)
# Maybe put it into our DB
if session.resultSets.has_key(rsetname):
rsid = session.resultSets[rsetname]
rs.id = rsid
session.resultSetStore.store_resultSet(session, rs)
else:
rsid = session.resultSetStore.create_resultSet(session, rs)
session.resultSets[rsetname] = rsid
# only keep 4 at once
keys = session.resultSetCache.keys()
if len(keys) > 3:
# delete one at random
r = rand.randint(0,3)
del session.resultSetCache[keys[r]]
session.resultSetCache[rsid] = rs
except Exception, err:
# XXX add -correct- diagnostic
resp.numberOfRecordsReturned = 1
resp.nextResultSetPosition = 0
resp.resultSetStatus = 3
d = self.generate_diagnostic(err)
diag = ('nonSurrogateDiagnostic', d)
resp.records = diag
