TFL TubeStatus Python CLI e.g python tfl.py 8

tfl.py

from BeautifulSoup import BeautifulSoup
import urllib2, sys

response = urllib2.urlopen('http://cloud.tfl.gov.uk/TrackerNet/LineStatus');
xml = response.read();
soup = BeautifulSoup(xml);

try:
	lineId = sys.argv[1]
except IndexError:
	lineId = 6
	print('No line id specified, using: 6')

def lineStatus(id):
	lines = soup.arrayoflinestatus.findAll('linestatus', {'id' : id})

	if len(lines) == 0:
		print 'Line does not exist'
	else:
		for line in lines:
			name = line.find('line')['name']
			status = line.find('status')['description']
			print 'The {:1} line currently has a status of {:2}'.format(name, status)

lineStatus(lineId)