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 from optparse import OptionParser
   9 import os, sys
  10 import logging
  11
  12 from zeroinstall import cmd, SafeException, _
  13 from zeroinstall.cmd import UsageError, select
  14 from zeroinstall.injector import model, autopolicy, selections, handler
  15
  16 syntax = "URI"
  17
  18 def add_options(parser):
  19         select.add_options(parser)
  20         parser.add_option("", "--show", help=_("show where components are installed"), action='store_true')
  21
  22 def handle(config, options, args):
  23         if len(args) != 1:
  24                 raise UsageError()
  25         iface_uri = model.canonical_iface_uri(args[0])
  26
  27         sels = select.get_selections(config, options, iface_uri,
  28                                 select_only = False, download_only = True, test_callback = None)
  29         if not sels:
  30                 sys.exit(1)     # Aborted by user
  31
  32         if options.xml:
  33                 select.show_xml(sels)
  34         if options.show:
  35                 select.show_human(sels, config.stores)