text: # -*- coding: utf-8 -*-
  
  """
      functions to :
      - get url
      - parse html
      - clean
  """
  
  import requests
  from bs4 import BeautifulSoup
  import re
  
  
  def getInfo(url):
      """
          get the html of the page containing the next departure time
      """
      r = requests.get(url)
      return r.content
  
  
  def parserHtml(c):
      """
          get just the info we need from the html
      """
      soup = BeautifulSoup(c, 'html.parser')
      samples = soup.find_all('span', attrs={"class": u"inline-left"})
      return samples
  
  
  def clean(text):
      """
          clean string
      """
      text = re.sub('^[^0-9]*', '', text)
      text = re.sub('s.*?d', 's d', text)
      text = re.sub('\\.*$', '', text)
      # text = re.sub('/\s\s+/g', ' ', text)
      text = re.sub('\*', ' ', text)
      text = re.sub('\n', ' ', text)
      text = re.sub('[ ]{2,}', ' ', text)
      return text
  