Source Code for Module zeroinstall.cmd.run

 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  import sys 
 9   
10  from zeroinstall import _ 
11  from zeroinstall.support import tasks 
12  from zeroinstall.cmd import UsageError, select 
13  from zeroinstall.injector import model 
14   
15  syntax = "URI [ARGS]" 
16   
17 -def add_options(parser): 
18          select.add_generic_select_options(parser) 
19          parser.add_option("-m", "--main", help=_("name of the file to execute")) 
20          parser.add_option("-w", "--wrapper", help=_("execute program using a debugger, etc"), metavar='COMMAND') 
21          parser.disable_interspersed_args() 
22   
23 -def handle(config, options, args): 
24          """@type config: L{zeroinstall.injector.config.Config} 
25          @type args: [str]""" 
26          if len(args) < 1: 
27                  raise UsageError() 
28   
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          app = config.app_mgr.lookup_app(args[0], missing_ok = True) 
38          if app is not None: 
39                  sels = app.get_selections(may_update = True, use_gui = options.gui) 
40                  r = app.get_requirements() 
41                  do_select = r.parse_update_options(options) 
42                  iface_uri = sels.interface 
43          else: 
44                  iface_uri = model.canonical_iface_uri(args[0]) 
45                  do_select = True 
46   
47          if do_select or options.gui: 
48                  sels = select.get_selections(config, options, iface_uri, 
49                                          select_only = False, download_only = False, 
50                                          test_callback = test_callback) 
51                  if not sels: 
52                          sys.exit(1)     # Aborted by user 
53   
54          from zeroinstall.injector import run 
55          run.execute_selections(sels, prog_args, dry_run = options.dry_run, main = options.main, wrapper = options.wrapper, stores = config.stores) 
56   
57 -def complete(completion, args, cword): 
58          """@type completion: L{zeroinstall.cmd._Completion} 
59          @type args: [str] 
60          @type cword: int""" 
61          if cword == 0: 
62                  select.complete(completion, args, cword) 
63          else: 
64                  completion.expand_files() 
65