def _redirect(self, redirected, request, spider, reason):
redirect_url = redirected.url
try:
ci = request.cookies[FetchConstant.CarInfo]
seqid = ci.seqid
except:pass
try:
fs = FetchSession()
ci_exist = fs.query(CarInfo).filter(CarInfo.sourceurl == redirect_url)\
.filter(CarInfo.seqid != seqid).first()
if ci_exist:
msg = (u'car with popular exist %s' % seqid)
spider.log(msg, log.INFO)
# ci.statustype = u'3'
try:
# fs.merge(ci)
fs.delete(ci)
except:
fs.rollback()
else:
msg = (u'delete car with popular exist %s ' % seqid)
spider.log(msg, log.INFO)
fs.commit()
finally:
fs.close()
raise IgnoreRequest
else:
return RedirectMiddleware._redirect(self, redirected, request, spider, reason)
except Exception as e:
raise e
