Source Code for Module roshlaunch.roslaunch_logs

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33  # Revision $Id: roslaunch_logs.py 7331 2009-12-15 22:45:49Z kwc $ 
34   
35  """ 
36  Implementation for roslaunch-logs command-line utility. 
37  """ 
38   
39  import os 
40  import sys 
41  import time 
42  import traceback 
43   
44  import roslib.rosenv 
45  import roslib.scriptutil 
46   
47  NAME = 'roslaunch-logs' 
48   
49 -def get_run_id(): 
50      try: 
51          param_server = roslib.scriptutil.get_param_server() 
52          code, msg, val = param_server.getParam('/roslaunch', '/run_id') 
53          if code == 1: 
54              return val 
55      except: # cannot contact parameter server 
56          pass 
57   
58 -def logs_main(): 
59      from optparse import OptionParser 
60      parser = OptionParser(usage="usage: %prog", prog=NAME) 
61      options, args = parser.parse_args() 
62      if args: 
63          parser.error("%s takes no arguments"%NAME) 
64           
65      log_dir = roslib.rosenv.get_log_dir() 
66      if not log_dir: 
67          print >> sys.stderr, "Cannot determine ROS log directory" 
68          sys.exit(1) 
69           
70      run_id = get_run_id() 
71      if not run_id: 
72          # go ahead and print the log directory 
73          print >> sys.stderr, "No active roscore" 
74          print log_dir 
75          sys.exit(2) 
76   
77      print os.path.join(log_dir, run_id) 
78           
79   
80       
81  if __name__ == '__main__': 
82      logs_main() 
83