Source Code for Module roslaunch.roslaunch_logs

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34   
35  from __future__ import print_function 
36   
37  """ 
38  Implementation for roslaunch-logs command-line utility. 
39  """ 
40   
41  import os 
42  import sys 
43  import time 
44  import traceback 
45   
46  import rospkg 
47  import rosgraph 
48   
49  NAME = 'roslaunch-logs' 
50   
51 -def get_run_id(): 
52      try: 
53          param_server = rosgraph.Master('/roslaunch') 
54          return param_server.getParam('/run_id') 
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 = rospkg.get_log_dir() 
66      if not log_dir: 
67          print("Cannot determine ROS log directory", file=sys.stderr) 
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("No active roscore", file=sys.stderr) 
74          print(log_dir) 
75          sys.exit(2) 
76   
77      print(os.path.join(log_dir, run_id)) 
78