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@matael
Created September 28, 2013 14:16
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#! /usr/bin/env python
# -*- coding:utf8 -*-
#
# pytimeo.py
#
# Copyright © 2013 Mathieu Gaborit (matael) <mathieu@matael.org>
#
#
# Distributed under WTFPL terms
#
# DO WHAT THE FUCK YOU WANT TO PUBLIC LICENSE
# Version 2, December 2004
#
# Copyright (C) 2004 Sam Hocevar <sam@hocevar.net>
#
# Everyone is permitted to copy and distribute verbatim or modified
# copies of this license document, and changing it is allowed as long
# as the name is changed.
#
# DO WHAT THE FUCK YOU WANT TO PUBLIC LICENSE
# TERMS AND CONDITIONS FOR COPYING, DISTRIBUTION AND MODIFICATION
#
# 0. You just DO WHAT THE FUCK YOU WANT TO.
#
"""
"""
import requests
import re
from bs4 import BeautifulSoup as BS
class Timeo:
""" Interface entre Python et le service Timéo de la SETRAM """
def __init__(self, URL="http://dev.actigraph.fr/actipages/setram/module/mobile/pivk/relais.html.php"):
self.URL = URL
self.session = requests.Session()
# session init
self.session.headers.update({
'User-Agent': 'Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/29.0.1547.57 Safari/537.36',
'Content-type': 'application/x-www-form-urlencoded'})
self.session.get(URL)
# regexs
self.extr_name_code = re.compile("([^\(]+) \((\d+)\)")
self.extr_code = re.compile("\((\d+)\)")
def getall_arrets(self, lignesens, attr_to_extract="name"):
""" Récupére les informations sur tous les arrêts d'une même ligne dans
un sens de circulation donné (A ou R, voir API SETRAM... ahem.).
lignesens : ligne à parser et sens de circulation (ex: 8_R , T1_A, ...)
attr_to_extract : paramètre à extraire (par défaut : nom de l'arrêt)
"""
POST_params_liste = {
'a': 'recherche_ligne',
'ligne_sens': lignesens
}
result = self.session.post(self.URL, POST_params_liste)
options = BS(result.text).find_all('option')
if attr_to_extract == "name":
return dict([self.extr_name_code.search(_.text).group(1,2)[::-1] for _ in options])
else:
return {self.extr_code.search(_.text).group(1):_.get(attr_to_extract) for _ in options}
def get_lignes(self):
""" Récupère une hashtable entre les lignes (et leur direction) et le code de ligne correspondant """
return {
_.text:_.get('value') for _ in
BS(self.session.get(self.URL).text).find_all('option')
if _.text.find('>') > -1
}
def get_arret(self, lignesens, code):
""" Récupère les prochains passages à un arret donné
lignesens : code de ligne (ligne+sens, voir get_ligne())
code : code timéo de l'arret
"""
""" Récupère les prochains passage à l'arrêt demandé """
ligne,sens = lignesens.split('_')
code = str(code)
# get references
refs_all = self.getall_arrets(lignesens, attr_to_extract='value')
POST_params = {
'a':'recherche_arrets',
'refs': refs_all[code].split('_')[0],
'code': code,
'sens': sens,
'ligne':ligne,
'list_refs' : refs_all[code]+'_'+code
}
# first, get the ran param
res = self.session.post(self.URL, data=POST_params)
ran = re.search("ran=(\d+)", BS(res.text).find_all('script')[-1].text.splitlines()[-2]).group(1)
POST_params2 = {
'a' : 'refresh',
'refs': POST_params['refs'],
'ran' : ran
}
# then, get the page with real data
res = self.session.post(self.URL, data=POST_params2)
stops = [_.text for _ in BS(res.text).find_all('li')[1:]]
stoptimes = []
for i in stops:
if i.find('imminent') > -1 or i.find('en cours') > -1: stoptimes.append("maintenant")
else:
next = re.search("(\d+ minutes?)", i)
if not next:
next = re.search("(\d+ H \d+)", i)
stoptimes.append(next.group(1))
return stoptimes
if __name__=='__main__':
t = Timeo()
print("Liste des lignes et des codes associés :")
liste = t.get_lignes()
for k,v in liste.items():
print(k+' -> '+v)
print("\n")
print("Liste des arrêts et de leur code pour la ligne T1_R :")
arrets = t.getall_arrets('T1_R')
for k,v in arrets.items():
print(k+' -> '+v)
print("\n")
print("Temps avant l'arrivé du prochain tram pour les arrêts de T1_R :")
for k,v in arrets.items():
print("Arrivé à l'arret "+v+" : "+t.get_arret('T1_R', k)[0])
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