def test_launch_with_coroutine():
default_launcher = DefaultLauncher()
launch_file = os.path.join(os.path.abspath(os.path.dirname(__file__)), 'launch_counter.py')
launch_descriptor = LaunchDescriptor()
load_launch_file(launch_file, launch_descriptor, {})
@asyncio.coroutine
def coroutine():
yield from asyncio.sleep(1)
print('one', file=sys.stderr)
yield from asyncio.sleep(1)
print('two', file=sys.stderr)
yield from asyncio.sleep(1)
print('three', file=sys.stderr)
@asyncio.coroutine
def coroutine2():
yield from asyncio.sleep(1)
print('one mississippi', file=sys.stderr)
yield from asyncio.sleep(1)
print('two mississippi', file=sys.stderr)
yield from asyncio.sleep(1)
print('three mississippi', file=sys.stderr)
launch_descriptor.add_coroutine(
coroutine(), name='coroutine', exit_handler=primary_exit_handler)
# launch_descriptor.add_coroutine(coroutine2())
print('launch', file=sys.stderr)
default_launcher.add_launch_descriptor(launch_descriptor)
rc = default_launcher.launch()
print('done', rc, file=sys.stderr)
def test_launch_with_coroutine():
default_launcher = DefaultLauncher()
launch_file = os.path.join(os.path.abspath(os.path.dirname(__file__)),
'launch_counter.py')
launch_descriptor = LaunchDescriptor()
load_launch_file(launch_file, launch_descriptor, {})
async def coroutine():
await asyncio.sleep(1)
print('one', file=sys.stderr)
await asyncio.sleep(1)
print('two', file=sys.stderr)
await asyncio.sleep(1)
print('three', file=sys.stderr)
async def coroutine2():
await asyncio.sleep(1)
print('one mississippi', file=sys.stderr)
await asyncio.sleep(1)
print('two mississippi', file=sys.stderr)
await asyncio.sleep(1)
print('three mississippi', file=sys.stderr)
launch_descriptor.add_coroutine(coroutine(),
name='coroutine',
exit_handler=primary_exit_handler)
# launch_descriptor.add_coroutine(coroutine2())
print('launch', file=sys.stderr)
default_launcher.add_launch_descriptor(launch_descriptor)
rc = default_launcher.launch()
print('done', rc, file=sys.stderr)
def setup():
global async_launcher
default_launcher = DefaultLauncher()
launch_file = os.path.join(os.path.abspath(os.path.dirname(__file__)), 'launch_counter.py')
launch_descriptor = LaunchDescriptor()
load_launch_file(launch_file, launch_descriptor, {})
default_launcher.add_launch_descriptor(launch_descriptor)
async_launcher = AsynchronousLauncher(default_launcher)
async_launcher.start()
def launch(launch_descriptor, argv):
counter_file = os.path.join(os.path.abspath(os.path.dirname(__file__)),
'counter.py')
with NamedTemporaryFile(mode='w', prefix='foo_', delete=False) as h:
foo_filename = h.name
with NamedTemporaryFile(mode='w', prefix='baz-err_', delete=False) as h:
baz_filename = h.name
ld = launch_descriptor
ld.add_process(
cmd=[
sys.executable, '-u', counter_file, '--limit', '9', '--sleep',
'0.5'
],
name='foo',
output_handlers=[FileOutput(filename=foo_filename)],
exit_handler=restart_exit_handler,
)
ld.add_process(
cmd=[
sys.executable, '-u', counter_file, '--limit', '10', '--sleep',
'0.25'
],
name='bar',
env=None,
exit_handler=ignore_exit_handler,
)
ld.add_process(
cmd=[
sys.executable, '-u', counter_file, '--limit', '5', '--sleep', '1'
],
name='baz',
output_handlers=[FileOutput(filename_stderr=baz_filename)],
)
ld.add_process(
cmd=[sys.executable, '-u', counter_file, '--sleep', '0.5'],
name='qux',
output_handlers=[ConsoleOutput(stderr_only=True)],
)
other_launch_file = os.path.join(
os.path.abspath(os.path.dirname(__file__)), 'launch_counter.py')
sub_ld = LaunchDescriptor()
load_launch_file(other_launch_file, sub_ld, {})
# namespace all processes from other launch file
for d in sub_ld.task_descriptors:
d.name = 'sub.' + d.name
ld.task_descriptors.append(d)
def main(argv=sys.argv[1:]):
parser = argparse.ArgumentParser(
description='Launch the processes specified in a launch file.')
parser.add_argument('launch_file',
type=file_exists,
nargs='+',
help='The launch file.')
args = parser.parse_args(argv)
arguments = {}
launcher = DefaultLauncher()
for launch_file in args.launch_file:
launch_descriptor = LaunchDescriptor()
load_launch_file(launch_file, launch_descriptor, arguments)
launcher.add_launch_descriptor(launch_descriptor)
rc = launcher.launch()
return rc
def main(argv=sys.argv[1:]):
parser = argparse.ArgumentParser(
description='Launch the processes specified in a launch file.')
parser.add_argument(
'launch_file',
type=file_exists,
nargs='+',
help='The launch file.')
args = parser.parse_args(argv)
arguments = {}
launcher = DefaultLauncher()
for launch_file in args.launch_file:
launch_descriptor = LaunchDescriptor()
load_launch_file(launch_file, launch_descriptor, arguments)
launcher.add_launch_descriptor(launch_descriptor)
rc = launcher.launch()
return rc
def launch(launch_descriptor, argv):
counter_file = os.path.join(os.path.abspath(os.path.dirname(__file__)), 'counter.py')
with NamedTemporaryFile(mode='w', prefix='foo_', delete=False) as h:
foo_filename = h.name
with NamedTemporaryFile(mode='w', prefix='baz-err_', delete=False) as h:
baz_filename = h.name
ld = launch_descriptor
ld.add_process(
cmd=[sys.executable, '-u', counter_file, '--limit', '9', '--sleep', '0.5'],
name='foo',
output_handlers=[FileOutput(filename=foo_filename)],
exit_handler=restart_exit_handler,
)
ld.add_process(
cmd=[sys.executable, '-u', counter_file, '--limit', '10', '--sleep', '0.25'],
name='bar',
env=None,
exit_handler=ignore_exit_handler,
)
ld.add_process(
cmd=[sys.executable, '-u', counter_file, '--limit', '5', '--sleep', '1'],
name='baz',
output_handlers=[FileOutput(filename_stderr=baz_filename)],
)
ld.add_process(
cmd=[sys.executable, '-u', counter_file, '--sleep', '0.5'],
name='qux',
output_handlers=[ConsoleOutput(stderr_only=True)],
)
other_launch_file = os.path.join(
os.path.abspath(os.path.dirname(__file__)), 'launch_counter.py')
sub_ld = LaunchDescriptor()
load_launch_file(other_launch_file, sub_ld, {})
# namespace all processes from other launch file
for d in sub_ld.task_descriptors:
d.name = 'sub.' + d.name
ld.task_descriptors.append(d)
def main(argv=sys.argv[1:]):
parser = argparse.ArgumentParser(
description='Launch the processes specified in a launch file.')
parser.add_argument('launch_file',
type=file_exists,
nargs='+',
help='The launch file.')
parser.add_argument(
'--args',
metavar='arg',
type=str,
nargs='+',
help='An argument to the launch file (e.g., arg_name:=value). All '
'arguments will be passed to each launch file.')
args = parser.parse_args(argv)
launcher = DefaultLauncher()
for launch_file in args.launch_file:
launch_descriptor = LaunchDescriptor()
load_launch_file(launch_file, launch_descriptor, args.args)
launcher.add_launch_descriptor(launch_descriptor)
rc = launcher.launch()
return rc
