0store

   1 #!/usr/bin/env python
   2 import os, sys
   3 from optparse import OptionParser
   4 import logging
   5 from zeroinstall import SafeException
   6
   7 from zeroinstall.zerostore import cli, BadDigest
   8
   9 parser = OptionParser(usage="usage: %prog " +
  10                           '\n       %prog '.join([c.__doc__ for c in cli.commands]))
  11 parser.add_option("-v", "--verbose", help="more verbose output", action='count')
  12 parser.add_option("-V", "--version", help="display version information", action='store_true')
  13 parser.disable_interspersed_args()
  14
  15 (options, args) = parser.parse_args()
  16
  17 if options.verbose:
  18         logger = logging.getLogger()
  19         if options.verbose == 1:
  20                 logger.setLevel(logging.INFO)
  21         else:
  22                 logger.setLevel(logging.DEBUG)
  23         hdlr = logging.StreamHandler()
  24         fmt = logging.Formatter("%(levelname)s:%(message)s")
  25         hdlr.setFormatter(fmt)
  26         logger.addHandler(hdlr)
  27
  28 if options.version:
  29         import zeroinstall
  30         print "0store (zero-install) " + zeroinstall.version
  31         print "Copyright (C) 2007 Thomas Leonard"
  32         print "This program comes with ABSOLUTELY NO WARRANTY,"
  33         print "to the extent permitted by law."
  34         print "You may redistribute copies of this program"
  35         print "under the terms of the GNU Lesser General Public License."
  36         print "For more information about these matters, see the file named COPYING."
  37         sys.exit(0)
  38
  39 if len(args) < 1:
  40         parser.print_help()
  41         sys.exit(1)
  42
  43 try:
  44         cli.init_stores()
  45
  46         pattern = args[0].lower()
  47         matches = [c for c in cli.commands if c.__name__[3:].startswith(pattern)]
  48         if len(matches) == 0:
  49                 parser.print_help()
  50                 sys.exit(1)
  51         if len(matches) > 1:
  52                 raise SafeException("What do you mean by '%s'?\n%s" %
  53                         (pattern, '\n'.join(['- ' + x.__name__[3:] for x in matches])))
  54         matches[0](args[1:])
  55 except KeyboardInterrupt, ex:
  56         print >>sys.stderr, "Interrupted"
  57         sys.exit(1)
  58 except OSError, ex:
  59         if options.verbose: raise
  60         print >>sys.stderr, str(ex)
  61         sys.exit(1)
  62 except IOError, ex:
  63         if options.verbose: raise
  64         print >>sys.stderr, str(ex)
  65         sys.exit(1)
  66 except cli.UsageError, ex:
  67         print >>sys.stderr, str(ex)
  68         print >>sys.stderr, "usage: " + sys.argv[0] + " " + matches[0].__doc__
  69         sys.exit(1)
  70 except SafeException, ex:
  71         if options.verbose: raise
  72         print >>sys.stderr, str(ex)
  73         sys.exit(1)