Source Code for Module roslaunch.arg_dump

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34   
35  """ 
36  Utility module of roslaunch that computes the command-line arguments 
37  for a launch file. 
38  """ 
39   
40  import sys 
41  import roslaunch.xmlloader 
42  from roslaunch.core import RLException 
43  from roslaunch.config import load_config_default 
44   
45 -def get_args(roslaunch_files): 
46      loader = roslaunch.xmlloader.XmlLoader(resolve_anon=False) 
47      config = load_config_default(roslaunch_files, None, loader=loader, verbose=False, assign_machines=False) 
48      return loader.root_context.resolve_dict['arg'] 
49   
50 -def dump_args(roslaunch_files): 
51      """ 
52      Print list of args to screen. Will cause system exit if exception 
53      occurs. This is a subroutine for the roslaunch main handler. 
54   
55      @param roslaunch_files: list of launch files to load 
56      @type  roslaunch_files: str 
57      """ 
58      try: 
59          for arg in sorted(get_args(roslaunch_files).items()): 
60                  print arg[0] 
61      except RLException as e: 
62          print >> sys.stderr, str(e) 
63          sys.exit(1) 
64