zeroinstall/cmd/download.py

   1 """
   2 The B{0install download} command-line interface.
   3 """
   4
   5 # Copyright (C) 2011, Thomas Leonard
   6 # See the README file for details, or visit http://0install.net.
   7
   8 import sys
   9
  10 from zeroinstall import _
  11 from zeroinstall.cmd import UsageError, select
  12 from zeroinstall.injector import model
  13
  14 syntax = "URI"
  15
  16 def add_options(parser):
  17         select.add_options(parser)
  18         parser.add_option("", "--show", help=_("show where components are installed"), action='store_true')
  19
  20 def handle(config, options, args):
  21         if len(args) != 1:
  22                 raise UsageError()
  23         iface_uri = model.canonical_iface_uri(args[0])
  24
  25         sels = select.get_selections(config, options, iface_uri,
  26                                 select_only = False, download_only = True, test_callback = None)
  27         if not sels:
  28                 sys.exit(1)     # Aborted by user
  29
  30         if options.xml:
  31                 select.show_xml(sels)
  32         if options.show:
  33                 select.show_human(sels, config.stores)