import urlparse

"""coralcache.py - a simple library to convert a URL to the CoralCDN version
(see http://coralcdn.org)
"""

def coralize(url):
    parts = list(urlparse.urlsplit(url))
    if parts[0] != 'http':
        raise Exception('CoralCDN only works with http: urls')
    parts[1] = '%s.nyud.net:8090' % parts[1]
    return urlparse.urlunsplit(parts)