def parse_rosrpc_uri(uri):
"""
utility function for parsing ROS-RPC URIs
@param uri: ROSRPC URI
@type uri: str
@return: address, port
@rtype: (str, int)
@raise ParameterInvalid: if uri is not a valid ROSRPC URI
"""
if uri.startswith(ROSRPC):
dest_addr = uri[len(ROSRPC):]
else:
raise ParameterInvalid("Invalid protocol for ROS service URL: %s"%uri)
try:
if '/' in dest_addr:
dest_addr = dest_addr[:dest_addr.find('/')]
dest_addr, dest_port = dest_addr.split(':')
dest_port = int(dest_port)
except:
raise ParameterInvalid("ROS service URL is invalid: %s"%uri)
return dest_addr, dest_port
def test_ParameterInvalid(self):
# not really testing anything here other than typos
from rospy.impl.validators import ParameterInvalid
self.assert_(isinstance(ParameterInvalid('param'), Exception))
def validator(param_value, caller_id):
v = valid_name_validator_resolved(param_name, param_value, caller_id)
if param_value == '/':
raise ParameterInvalid("ERROR: parameter [%s] cannot be the global namespace"%param_name)
return v