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Define metavars to simply ros2 trace usage info for events and context

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Signed-off-by: Christophe Bedard <bedard.christophe@gmail.com>
This commit is contained in:
Christophe Bedard 2020-03-13 17:50:37 -04:00
parent 31f63d2f27
commit 6e9b2f2fbd
1 changed files with 3 additions and 3 deletions
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6
tracetools_trace/tracetools_trace/tools/args.py
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@ -48,21 +48,21 @@ def add_arguments(parser: argparse.ArgumentParser) -> None:
default=path.DEFAULT_BASE_PATH,
help='path of the base directory for trace data (default: %(default)s)')
events_ust_arg = parser.add_argument( # type: ignore
'-u', '--ust', nargs='*', dest='events_ust',
'-u', '--ust', nargs='*', dest='events_ust', metavar='EVENT',
default=names.DEFAULT_EVENTS_ROS,
help='the ROS UST events to enable (default: see tracetools_trace.tools.names) '
'[to disable all UST events, '
'provide this flag without any event name]')
events_ust_arg.completer = DefaultArgValueCompleter(events_ust_arg) # type: ignore
events_kernel_arg = parser.add_argument( # type: ignore
'-k', '--kernel', nargs='*', dest='events_kernel',
'-k', '--kernel', nargs='*', dest='events_kernel', metavar='EVENT',
default=names.DEFAULT_EVENTS_KERNEL,
help='the kernel events to enable (default: see tracetools_trace.tools.names) '
'[to disable all kernel events, '
'provide this flag without any event name]')
events_kernel_arg.completer = DefaultArgValueCompleter(events_kernel_arg) # type: ignore
context_arg = parser.add_argument( # type: ignore
'-c', '--context', nargs='*', dest='context_names',
'-c', '--context', nargs='*', dest='context_names', metavar='CONTEXT',
default=names.DEFAULT_CONTEXT,
help='the context names to enable (default: see tracetools_trace.tools.names) '
'[to disable all context names, '