while 1:
                        line = sys.stdin.readline().strip()
                        sys.stderr.write('ENV LINE: ')
                        sys.stderr.write(line)
                        sys.stderr.write('\n')
                        if line == '':
                                #blank line signals end
                                break
                        key,data = line.split(':')[0], ':'.join(line.split(':')[1:])
                        key = key.strip()
                        data = data.strip()
                        if key <> '':
                                self.env[key] = data