Check for radiohead tickets :(

check_ticketmaster.py

#!/usr/bin/env python
"""
I really *REALLY* wanted to see Radiohead at Roseland ballroom, but so 
did everybody else and the tickets sold out in about 10 minutes. I didn't
get one :(

They haven't played in NYC in 3 years!

Here is a script that checks when tickets become available for an event.
NEVER AGAIN!
"""

# The urls of the respective events on Ticketmaster
# These urls are for Radiohead at roseland ballroom, which 
# sold out in about 5 minutes :(
EVENT_URLS = [
	# Wednesday Show
	"http://www.ticketmaster.com/event/0000472D9AFBA224",
	
	# Thursday Show
	"http://www.ticketmaster.com/event/0000472D9EE2A753"
]


from sys import stdout
import time
import webbrowser
import urllib
from random import randint

try:
	# If you have mac we'll use py-appscript (pip install appscript)
	# to pop up a modal dialog and say a message through the speakers
	import osax
	sa = osax.OSAX()
	
	def dialog(msg, **kwargs):
		# Give the app focus so the dialog will be on top
		sa.activate()
		
		# Open the dialog
		return sa.display_dialog(msg, **kwargs)
		
	def say(msg):
		# Max volume (0 - 7 scale)
		sa.set_volume(7)
		
		# This spelling is for fun pronounciation
		sa.say("i finded yer teekutz")
		
except ImportError:
	def dialog(msg, **kwargs):
		printnow(msg)
	def say(*args, **kwargs): pass

def printnow(msg):
	stdout.write(msg)
	stdout.flush()
	
def randsleep(min, max):
	time.sleep(randint(min, max))

def tickets_available_for(event_url):
	html = urllib.urlopen(event_url).read()
	printnow(".")
	return "Tickets Not Available" not in html
	
print "Searching for tickets..."

while True:
	for event in EVENT_URLS:
		if tickets_available_for(event):
			say("i can has yoar teekitz")
			dialog("Found tickets!", buttons=["View in browser"])
			webbrowser.open_new(url=event)
		
		# ~5 seconds between calls (let's be polite)
		randsleep(4, 8)
	
	# ~60 seconds between checks
	randsleep(45, 65)