transito_recife.py

import tweepy
import urllib
from xml.dom.minidom import parse, parseString

situacao_transito = {}

def leitura_xml():
    url =  'http://www.recife.pe.gov.br/transito/recuperarPontos.aspx'
    url_camera ='http://cttupe.gtrans.com.br/portaltransito/files/imgs_cam/%s.jpg'
    
    dados = urllib.urlopen(url).read()
    transito = parseString(dados)
    #print (transito.toxml())
    for node in transito.getElementsByTagName('Ponto'):  # visit every node <bar />
        #print (node.toxml())
        info_atual = node.getElementsByTagName('InfoAtual')[0].childNodes[0].data
        if info_atual == 'S':
            sit_transito = node.getElementsByTagName('SitTransito')[0].childNodes[0].data
            descricao = node.getElementsByTagName('Descricao')[0].childNodes[0].data
            if len(node.getElementsByTagName('Sentido')[0].childNodes) > 0: 
                sentido = node.getElementsByTagName('Sentido')[0].childNodes[0].data
            else:
                sentido = ''
            codigo_equip = node.getElementsByTagName('CodEquipamento')[0].childNodes[0].data
            ip_camera = node.getElementsByTagName('IPCam')[0].childNodes[0].data
            
            camera_photo = url_camera % ip_camera

            situacao_transito[codigo_equip] = {'descricao': descricao, 'sit_transito': sit_transito,
                            'sentido': sentido, 'camera': camera_photo}
            
    return situacao_transito

CONSUMER_KEY = '3VRVITMsIU4DRdI59kiQ'
CONSUMER_SECRET = 'C3zqr0N1Hik4iBhAxqqIoVfeHXVbmuceaqgWi9moK0w'

ACCESS_KEY = '22264366-RskrnZtSgmRu2WAwbLGA7LoL3Kxbcl71RbgD4sHU'
ACCESS_SECRET = 'YQwj8KqO7VNJYgfDBCVqAQVYQAhx9wNRQ8r9hzs'

auth = tweepy.OAuthHandler(CONSUMER_KEY, CONSUMER_SECRET)
auth.set_access_token(ACCESS_KEY, ACCESS_SECRET)
api = tweepy.API(auth)


data = leitura_xml()
for idx, d in enumerate(data):
    if idx >= 2:
        break
    ponto = data[d]
    texto = '%s sentido %s transito: %s  %s' % (ponto['descricao'], ponto['sentido'], \
                    ponto['sit_transito'], ponto['camera'])
    api.update_status(texto)