def index(request):
date = request.GET.get('date', None)
start = request.GET.get('start', None)
arrive = request.GET.get('arrive', None)
train_code = request.GET.get('train_code', None)
if date and start and arrive:
data = yupiao(date, start, arrive, train_code)
fields = [item[1] for item in FIELDS]
trains = []
for train in data:
trains.append([train[key].strip() for key,value in FIELDS])
context = {'fields' : fields, 'trains' : trains}
return render_to_response('mobile/yupiao.html',
context,
context_instance = RequestContext(request)
)
else:
return render_to_response('mobile/index.html',
{
},
context_instance = RequestContext(request)
)
def read(self, request):
"""
Returns trains match the qeury
"""
date = request.GET.get('date')
start = request.GET.get('start')
arrive = request.GET.get('arrive')
train_code = request.GET.get('train_code', None)
if len(date.split('-')) < 3:
date = datetime.datetime.today().strftime('%Y') + '-' + date
if train_code is None:
cache_key = '%s-%s-%s' %(date, start, arrive)
else:
cache_key = '%s-%s-%s-%s' %(date, start, arrive, train_code)
cache_data = cache.get(cache_key)
if cache_data:
return json.loads(cache_data)
else:
trains = yupiao(date, start, arrive, train_code)
#TODO read expired time from 12306
if len(trains) > 0:
cache.set(cache_key, json.dumps(trains), 30 * 60)
return trains
Train Query Tool
'''
if __name__ == "__main__":
from optparse import OptionParser
import sys
parser = OptionParser()
parser.add_option("-d", "--date", dest="date",
help="date train leaves,format 2011-04-29")
parser.add_option("-s", "--start", dest="start_station",
help="start station")
parser.add_option("-a", "--arrive", dest="arrive_station",
help="arrive station")
parser.add_option("-t", "--train", dest="train_code",
help="train_code")
(options, args) = parser.parse_args()
from train.provider._12306 import yupiao,format_trains
if options.date and options.start_station and options.arrive_station:
if options.train_code:
ret = yupiao(options.date, options.start_station.decode(sys.stdin.encoding), options.arrive_station.decode(sys.stdin.encoding), options.train_code)
else:
ret = yupiao(options.date, options.start_station.decode(sys.stdin.encoding), options.arrive_station.decode(sys.stdin.encoding))
if not sys.stdout.encoding:
print format_trains(ret).encode('utf-8')
else:
print format_trains(ret)
else:
parser.error('argument not enough')
parser.print_usage()