Source Code for Module zeroinstall.cmd.list_feeds

 1  """ 
 2  The B{0install list-feeds} 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 __future__ import print_function 
 9   
10  from zeroinstall import _ 
11  from zeroinstall.cmd import UsageError 
12  from zeroinstall.injector import model, reader 
13   
14  syntax = "URI" 
15   
16 -def add_options(parser): 
17          pass 
18   
19 -def handle(config, options, args): 
20          """@type args: [str]""" 
21          if len(args) != 1: raise UsageError() 
22          uri = model.canonical_iface_uri(args[0]) 
23          iface = config.iface_cache.get_interface(uri) 
24   
25          if iface.extra_feeds: 
26                  for f in iface.extra_feeds: 
27                          print(f.uri) 
28          else: 
29                  print(_("(no feeds)")) 
30   
31  # Lists only interfaces with feeds. 
32  # Note: this is also used by remove-feed. 
33 -def complete(completion, args, cword): 
34          """@type completion: L{zeroinstall.cmd._Completion} 
35          @type args: [str] 
36          @type cword: int""" 
37          if len(args) != 1: return 
38          iface_cache = completion.config.iface_cache 
39          for uri in iface_cache.list_all_interfaces(): 
40                  dummy = model.Interface(uri) 
41                  reader.update_user_overrides(dummy) 
42                  if dummy.extra_feeds: 
43                          completion.add_filtered(uri) 
44