zeroinstall/cmd/run.py

   1 """
   2 The B{0install run} 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 from zeroinstall.injector.iface_cache import iface_cache
  16
  17 syntax = "URI [ARGS]"
  18
  19 def add_options(parser):
  20         select.add_generic_select_options(parser)
  21         parser.add_option("-m", "--main", help=_("name of the file to execute"))
  22         parser.add_option("-w", "--wrapper", help=_("execute program using a debugger, etc"), metavar='COMMAND')
  23         parser.disable_interspersed_args()
  24
  25 def handle(options, args):
  26         if len(args) < 1:
  27                 raise UsageError()
  28         iface_uri = model.canonical_iface_uri(args[0])
  29         prog_args = args[1:]
  30
  31         def test_callback(sels):
  32                 from zeroinstall.injector import run
  33                 return run.test_selections(sels, prog_args,
  34                                              False,     # dry-run
  35                                              options.main)
  36
  37         sels = select.get_selections(options, iface_uri,
  38                                 select_only = False, download_only = False,
  39                                 test_callback = test_callback)
  40         if not sels:
  41                 sys.exit(1)     # Aborted by user
  42
  43         from zeroinstall.injector import run
  44         run.execute_selections(sels, prog_args, main = options.main, wrapper = options.wrapper)