#!/usr/bin/env python
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import roslaunch.core
import roslaunch.arg_dump as roslaunch_arg_dump
from roslaunch import rlutil
import sys

try:
    args = rlutil.resolve_launch_arguments(sys.argv[1:])
    # Strip all other args: As we are completing they might be incomplete
    # and will lead to an error. Anyways we only want all possible args.
    args = args[0:1]
    roslaunch_args = roslaunch_arg_dump.get_args(args)
except roslaunch.core.RLException:
    # stay silent for completion
    sys.exit(1)

#complete_args = [a + ":=" for a in sorted(roslaunch_args.keys())]
# Currently don't put := after that as the completion will escape := to \:\=
# Unfortunately we also want the escaping for roslaunch, when completing filenames
complete_args = [a for a in sorted(roslaunch_args.keys())]
print " ".join(complete_args)
sys.exit(0)