python3.X 抓取火车票信息【修正版】

import urllib
from urllib import request
import re
url = 'https://kyfw.12306.cn/otn/resources/js/framework/station_name.js?station_version=1.8955'
req = urllib.request.Request(url)
r = urllib.request.urlopen(req).read().decode('utf-8')
stations = re.findall(r'([\u4e00-\u9fa5]+)|([A-Z]+)', r)
stations = dict(stations)
stations = dict(zip(stations.keys(),stations.values()))

from station import stations
import warnings
def change_date(d1) :
  if '.' in d1 :
    d1 = d1.replace('.', '-')
  if not d1.startswith('0') :
    d1 = str(0) + d1
  if '-' in d1[-2] :
    d1 = d1[:-1] + '0' + d1[-1]
  return d1
def student_or_not(student) :
  if 'y' in student[0].lower() :
    return '0X00'
  else :
    return 'ADULT'
f1 = input('请输入开始城市：\n')
f = stations[f1]
t1 = input('请输入目的城市：\n')
t = stations[t1]
d1 = input('请输入出发时间：\n')
d = str('2018-') + change_date(d1)
student = input('是否为学生票，输入（yes/no）')
print('正在查询' + f1 + '至' + t1 + '的列车，请听听音乐......')
url = 'https://kyfw.12306.cn/otn/leftTicket/query?leftTicketDTO.train_date={d}&leftTicketDTO.from_station={f}&leftTicketDTO.to_station={t}&purpose_codes={student}'
url = url.format(f=f, d=d, t=t, student=student_or_not(student))
warnings.filterwarnings("ignore")

def colored(color, text) :
  table = {
    'red'  : '\033[91m',
    'green' : '\033[92m',
    'nc'  : '\033[0m'
  }
  cv = table.get(color)
  nc = table.get('nc')
  return ''.join([cv, text, nc])

import requests
from get_urltrain import url
from prettytable import PrettyTable
from color_set import colored
from station import stations
def chair_lists(row_list) :
  chair_list = []
  for i in range(len(row_list) - 5, 21, -1) :
    if row_list[i] != '' :
      chair_list.append(row_list[i])
    else :
      chair_list.append('--')
  return chair_list
headers = {
  'user-agent' : 'Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/62.0.3202.62 Safari/537.36'
}
r = requests.get(url, verify=False, headers=headers) # 请求网址1的内容
rows = r.json()['data']['result'] # 将内容解析为列表
trains = PrettyTable()
trains.field_names = ["车次", "车站", "时间", "历时", "商务座\特等座", "一等座", "二等座", "高级软卧", "软卧", "动卧", "硬卧 ", "软座 ", "硬座", "无座",
           "其他"]
# 设置table的header
num = len(rows) # 打印列表的个数
# station1 = dict([v, k] for k, v in stations.items())
station_list = dict(zip(stations.values(), stations.keys()))
for row in rows : # 列表循环
  row_list = row.split('|')
  chair_list = chair_lists(row_list)
  trains.add_row([row_list[3],
          '\n'.join([colored('green', station_list[row_list[6]]),
                colored('red', station_list[row_list[7]])]),
          '\n'.join([colored('green', row_list[8]),
                colored('red', row_list[9])]),
          row_list[10],
          ] + chair_list)
print('查询结束，共有 %d 趟列车。' % num) # 列表个数也就是列车个数
print(trains)

 station_list = dict(zip(stations.values(), stations.keys()))
 #station_list 进行了建值互换方便下面的循环中的调用
 trains.add_row([row_list[3],
          '\n'.join([colored('green', station_list[row_list[6]]),
                colored('red', station_list[row_list[7]])]),
          '\n'.join([colored('green', row_list[8]),
                colored('red', row_list[9])]),
          row_list[10],
          ] + chair_list)