1 #!/usr/bin/python 2 """ 3 Program that calculates several hashes for a given CD image. 4 5 @copyright: Red Hat 2008-2009 6 """ 7 8 import os, sys, optparse, logging 9 import common 10 from autotest_lib.client.common_lib import logging_manager 11 from autotest_lib.client.bin import utils 12 from autotest_lib.client.virt import virt_utils 13 14 15 if __name__ == "__main__": 16 parser = optparse.OptionParser("usage: %prog [options] [filenames]") 17 options, args = parser.parse_args() 18 19 logging_manager.configure_logging(virt_utils.VirtLoggingConfig()) 20 21 if args: 22 filenames = args 23 else: 24 parser.print_help() 25 sys.exit(1) 26 27 for filename in filenames: 28 filename = os.path.abspath(filename) 29 30 file_exists = os.path.isfile(filename) 31 can_read_file = os.access(filename, os.R_OK) 32 if not file_exists: 33 logging.critical("File %s does not exist!", filename) 34 continue 35 if not can_read_file: 36 logging.critical("File %s does not have read permissions!", 37 filename) 38 continue 39 40 logging.info("Hash values for file %s", os.path.basename(filename)) 41 logging.info("md5 (1m): %s", utils.hash_file(filename, 1024*1024, 42 method="md5")) 43 logging.info("sha1 (1m): %s", utils.hash_file(filename, 1024*1024, 44 method="sha1")) 45 logging.info("md5 (full): %s", utils.hash_file(filename, method="md5")) 46 logging.info("sha1 (full): %s", utils.hash_file(filename, 47 method="sha1")) 48 logging.info("") 49
