def __get_substations(self, train):
# Gets stations in (train.departure, train.destination]
url = "https://kyfw.12306.cn/otn/czxx/queryByTrainNo"
params = self.__get_train_data_query_params(train)
json = webrequest.get_json(url, params=params)
json_station_list = json["data"]["data"]
logger.debug("Fetched station data for train " + train.name)
istart = None
iend = len(json_station_list)
for i in range(len(json_station_list)):
is_in_path = json_station_list[i]["isEnabled"]
if is_in_path and istart is None:
istart = i
elif not is_in_path and istart is not None:
iend = i
break
assert istart is not None
assert json_station_list[istart]["station_name"] == train.departure_station.name
assert json_station_list[iend-1]["station_name"] == train.destination_station.name
available_stations = []
station_list = StationList.instance()
for i in range(istart+1, iend-1):
station_name = json_station_list[i]["station_name"]
if self.station_blacklist[station_name]:
continue
station = station_list.get_by_name(station_name)
available_stations.append(station)
available_stations.append(train.destination_station)
return available_stations
def execute(self):
url = "https://kyfw.12306.cn/otn/leftTicket/query"
params = self.__get_query_params()
json = webrequest.get_json(url, params=params)
try:
json_data = json["data"]
except RequestError as ex:
if ex.args[0] == "选择的查询日期不在预售日期范围内":
raise DateOutOfRangeError() from ex
raise
logger.debug("Got train list from {0} to {1} on {2}".format(
self.departure_station.name,
self.destination_station.name,
timeconverter.date_to_str(self.date)))
train_list = []
station_list = StationList.instance()
for train_data in json_data:
query_data = train_data["queryLeftNewDTO"]
departure_station = station_list.get_by_id(query_data["from_station_telecode"])
destination_station = station_list.get_by_id(query_data["to_station_telecode"])
if self.exact_departure_station and departure_station != self.departure_station:
continue
if self.exact_destination_station and destination_station != self.destination_station:
continue
train = Train(train_data, departure_station, destination_station, self.pricing, self.date)
train_list.append(train)
return train_list
def autobuy():
# Get station list
station_list = StationList.instance()
cookies = SessionCookies()
# Login beforehand (just in case!)
# TODO: Allow multiple logins
try:
login_manager = login(cookies, retry=True, auto=True)
except SystemMaintenanceError:
# Stupid website goes offline every night for "maintenance".
print(localization.SYSTEM_OFFLINE)
return None
retry_search = config.get("search_retry", True)
while True:
# Search for train
train_list = query(station_list, retry=retry_search, auto=True)
if train_list is None:
# No trains found and retry is False
return None
# Purchase tickets
try:
train = select_train(train_list, auto=True)
return purchase(cookies, train, auto=True)
except UnfinishedTransactionError:
# TODO: Change an account if possible?
print(localization.UNFINISHED_TRANSACTIONS)
return None
except DataExpiredError:
# This means the user waited too long between
# querying train data and submitting the order.
# We simply re-query the train list and try again.
train_list = query(station_list, retry_search, auto=True)
train = select_train(train_list, auto=True)
return purchase(cookies, train, auto=True)
except NotEnoughTicketsError:
# Tickets ran out while we tried to purchase
# Just jump back to the beginning of the loop
# and try again.
pass
login_manager.logout()