class PubFile(object):

    def __init__(self, filename):
        self.data = {}
        f = open(filename, 'r')
        for line in f:
            i = line.find(':')
            if i > 0:
                self.data[line[:i].strip().lower()] = line[i+1:].strip()
        f.close()

    def __getitem__(self, key):
        return self.data[key.lower()]