def __district__(city):
districts = {}
for cd,name in MetaData.getDistrict(city):
districts[cd] = name
return json.dumps(districts)
def __business_district__(city,district):
districts = {}
for cd,name in MetaData.getBusinessDistrict(city,district):
districts[cd] = name
return json.dumps(districts)
def __city__():
citys = {}
for cd,name in MetaData.getCitys():
citys[cd] = name
return json.dumps(citys)
