bwi_tools: resource_resolver.py Source File

Go to the documentation of this file.
00001 #!/usr/bin/env python
00002 
00003 import rospkg
00004 import rospy
00005 
00006 def resolveResource(filename):
00007     if filename.startswith('package://'):
00008         rest = filename[10:]
00009         package_name = rest[:rest.find('/')]
00010         package_relative_file = rest[rest.find('/')+1:]
00011         if package_name == rest:
00012             rospy.logfatal("Unable to parse resource %s" %filename)
00013             return None
00014         rp = rospkg.RosPack()
00015         try:
00016             package_path = rp.get_path(package_name)
00017         except:
00018             rospy.logfatal("Requested resource: " + filename + ". Unable to find package " + package_name)
00019             return None
00020         filename = package_path + '/' + package_relative_file
00021     return filename
00022