0launch

   1 #!/usr/bin/env python
   2 import os, sys
   3 from optparse import OptionParser
   4
   5 from zeroinstall.injector import model, download, autopolicy, run, namespaces
   6
   7 parser = OptionParser(usage="usage: %prog [options] interface [args]\n"
   8                             "       %prog --list [search-term]")
   9 parser.add_option("-c", "--console", help="never use GUI", action='store_false', dest='gui')
  10 parser.add_option("-d", "--download-only", help="fetch but don't run", action='store_true')
  11 parser.add_option("-D", "--dry-run", help="just print actions", action='store_true')
  12 parser.add_option("-g", "--gui", help="show graphical policy editor", action='store_true')
  13 parser.add_option("-l", "--list", help="list all known interfaces", action='store_true')
  14 parser.add_option("-q", "--quiet", help="suppress informational messages", action='store_true')
  15 parser.add_option("-r", "--refresh", help="refresh all used interfaces", action='store_true')
  16 parser.add_option("-v", "--verbose", help="more verbose output", action='count')
  17 parser.add_option("-V", "--version", help="display version information", action='store_true')
  18 parser.disable_interspersed_args()
  19
  20 (options, args) = parser.parse_args()
  21
  22 if options.verbose > 1:
  23         # Very verbose
  24         from logging import getLogger, DEBUG
  25         getLogger().setLevel(DEBUG)
  26
  27 if options.list:
  28         if len(args) == 0:
  29                 match = None
  30         elif len(args) == 1:
  31                 match = args[0].lower()
  32         else:
  33                 parser.print_help()
  34                 sys.exit(1)
  35         from zeroinstall.injector import reader
  36         for i in reader.list_all_interfaces():
  37                 if match and match not in i.lower(): continue
  38                 print i
  39         sys.exit(0)
  40
  41 if options.version:
  42         import zeroinstall
  43         print "0launch (zero-install) " + zeroinstall.version
  44         print "Copyright (C) 2005 Thomas Leonard"
  45         print "This program comes with ABSOLUTELY NO WARRANTY,"
  46         print "to the extent permitted by law."
  47         print "You may redistribute copies of this program"
  48         print "under the terms of the GNU General Public License."
  49         print "For more information about these matters, see the file named COPYING."
  50         sys.exit(0)
  51
  52 if len(args) < 1:
  53         parser.print_help()
  54         sys.exit(1)
  55
  56 # Singleton instance used everywhere...
  57 policy = autopolicy.AutoPolicy(args[0],
  58                                 quiet = bool(options.quiet),
  59                                 verbose = bool(options.verbose),
  60                                 download_only = bool(options.download_only),
  61                                 dry_run = options.dry_run)
  62
  63 if options.gui is None and os.environ.get('DISPLAY', None):
  64         if options.refresh:
  65                 options.gui = True
  66         else:
  67                 options.gui = policy.need_download()
  68         if options.gui and not options.quiet:
  69                 print "Need to download; switching to GUI mode"
  70
  71 if options.gui:
  72         policy.set_root(namespaces.injector_gui_uri)
  73         prog_args = args[:]
  74         # Options apply to actual program, not GUI
  75         if options.download_only:
  76                 policy.download_only = False
  77                 prog_args.insert(0, '--download-only')
  78         if options.refresh:
  79                 options.refresh = False
  80                 prog_args.insert(0, '--refresh')
  81 else:
  82         prog_args = args[1:]
  83
  84 try:
  85         policy.download_and_execute(prog_args, refresh = bool(options.refresh))
  86 except model.SafeException, ex:
  87         print >>sys.stderr, ex
  88         sys.exit(1)
  89 except autopolicy.NeedDownload, ex:
  90         print ex
  91         sys.exit(0)