#!/usr/bin/python2.6

import sys
import os
import urllib
import zipfile

BUILD_BASE_URL = 'http://build.chromium.org/buildbot/snapshots/chromium-rel-mac/'
LOCAL_BASE = '/Users/USERNAME/Downloads/chrome-mac/'
BINARY = '/chrome-mac.zip'

def releaseURL():
  """ """
  return BUILD_BASE_URL + 'LATEST'

def binaryURL(release): 
  """ """
  return BUILD_BASE_URL + str(release) + BINARY

def localName(release): 
  """ """
  return LOCAL_BASE + release + '.zip'

# Get LATEST build info
response = urllib.urlopen(releaseURL())
release = response.read().strip()
print 'LATEST = [' + release + ']'

zipFilename = localName(release)
if os.path.exists(zipFilename):
  print 'Skipping, file already exists.'
  sys.exit(2)

# Get build
fileURL = binaryURL(release)
print 'Downloading ' + fileURL + ' ...'
fresponse = urllib.urlopen(fileURL)
data = fresponse.read()

# Write data
print 'Writing file to: ' + zipFilename
file = file(zipFilename, 'wb')
file.write(data)
file.close()

# Open directory in Finder
os.system('open -a Finder ' + LOCAL_BASE)
os.system('open ' + zipFilename)