0store

   1 #!/usr/bin/env python
   2 import os, sys
   3 from optparse import OptionParser
   4 import logging
   5
   6 from zeroinstall.zerostore import cli, BadDigest
   7
   8 parser = OptionParser(usage="usage: %prog " +
   9                           '\n       %prog '.join([c.__doc__ for c in cli.commands]))
  10 parser.add_option("-v", "--verbose", help="more verbose output", action='count')
  11 parser.add_option("-V", "--version", help="display version information", action='store_true')
  12 parser.disable_interspersed_args()
  13
  14 (options, args) = parser.parse_args()
  15
  16 if options.verbose:
  17         logger = logging.getLogger()
  18         if options.verbose == 1:
  19                 logger.setLevel(logging.INFO)
  20         else:
  21                 logger.setLevel(logging.DEBUG)
  22         hdlr = logging.StreamHandler()
  23         fmt = logging.Formatter("%(levelname)s:%(message)s")
  24         hdlr.setFormatter(fmt)
  25         logger.addHandler(hdlr)
  26
  27 if options.version:
  28         import zeroinstall
  29         print "0store (zero-install) " + zeroinstall.version
  30         print "Copyright (C) 2005 Thomas Leonard"
  31         print "This program comes with ABSOLUTELY NO WARRANTY,"
  32         print "to the extent permitted by law."
  33         print "You may redistribute copies of this program"
  34         print "under the terms of the GNU General Public License."
  35         print "For more information about these matters, see the file named COPYING."
  36         sys.exit(0)
  37
  38 if len(args) < 1:
  39         parser.print_help()
  40         sys.exit(1)
  41
  42 pattern = args[0].lower()
  43 matches = [c for c in cli.commands if c.__name__[3:].startswith(pattern)]
  44 if len(matches) == 0:
  45         parser.print_help()
  46         sys.exit(1)
  47 if len(matches) > 1:
  48         print >>sys.stderr, "What do you mean by '%s'?" % pattern
  49         for x in matches:
  50                 print "- " + x
  51         sys.exit(1)
  52
  53 try:
  54         matches[0](args[1:])
  55 except KeyboardInterrupt, ex:
  56         print >>sys.stderr, "Interrupted"
  57         sys.exit(1)
  58 except OSError, ex:
  59         print >>sys.stderr, str(ex)
  60         sys.exit(1)
  61 except IOError, ex:
  62         print >>sys.stderr, str(ex)
  63         sys.exit(1)
  64 except BadDigest, ex:
  65         print >>sys.stderr, str(ex)
  66         sys.exit(1)
  67 except cli.UsageError, ex:
  68         print >>sys.stderr, str(ex)
  69         print >>sys.stderr, "usage: " + sys.argv[0] + " " + matches[0].__doc__
  70         sys.exit(1)