Find Muni bus 8192. Or not.

find8192.py

#!/usr/bin/python

import re
import time
import urllib
from xml.dom.minidom import parse, parseString

# data structure

ids = dict()
muni = "http://webservices.nextbus.com/service/publicXMLFeed"

# get list of routes and examine non-tram lines

print "Getting routes"
      
url = muni + "?command=routeList&a=sf-muni"

d1 = parse(urllib.urlopen(url))

for node in d1.getElementsByTagName('route'):
  r = node.getAttribute('tag')

  # skip anything that's not a bus route
  # if not re.match("^[A-Z]", r):

  # get all buses for route
  print "Examining route %s" % r

  # t = int(time.time()*1000)

  url = muni+"?command=vehicleLocations&a=sf-muni&r=%s&t=%s" % (r, 0)

  d2 = parse(urllib.urlopen(url))

  for v in d2.getElementsByTagName('vehicle'):
    vehicle_info = dict()
    for field in ('id', 'routeTag', 'dirTag', 'lat', 'lon', 'heading', 'speedKmHr'):
      vehicle_info[field] = v.getAttribute(field)

    ids[vehicle_info['id']] = vehicle_info

print ids.keys()

for route in sorted(ids.keys()):
  print "%s: route %s at speed %02.f" % (route, ids[route]['routeTag'], float(ids[route]['speedKmHr']))