def test_run_module(log, popen, entry_point_type_module):
with pytest.raises(errors.ExecuteUserScriptError):
process.ProcessRunner("module.py", ["--lr", "13"], {}).run()
cmd = [sys.executable, "-m", "module", "--lr", "13"]
popen.assert_called_with(cmd, cwd=environment.code_dir, env=os.environ, stderr=None)
log.assert_called_with(cmd, {})
def test_run_bash(log, popen, entry_point_type_script):
with pytest.raises(errors.ExecuteUserScriptError):
process.ProcessRunner("launcher.sh", ["--lr", "1 3"], {}).run()
cmd = ["/bin/sh", "-c", "./launcher.sh --lr '1 3'"]
popen.assert_called_with(cmd, cwd=environment.code_dir, env=os.environ, stderr=None)
log.assert_called_with(cmd, {})
def _get_by_runner_type(identifier,
user_entry_point=None,
args=None,
env_vars=None,
extra_opts=None):
env = environment.Environment()
user_entry_point = user_entry_point or env.user_entry_point
args = args or env.to_cmd_args()
env_vars = env_vars or env.to_env_vars()
mpi_args = extra_opts or {}
# Default to single process for CPU
default_processes_per_host = int(
env.num_gpus) if int(env.num_gpus) > 0 else 1
processes_per_host = _mpi_param_value(mpi_args, env,
params.MPI_PROCESSES_PER_HOST,
default_processes_per_host)
if identifier is RunnerType.SMDataParallel and env.is_master:
custom_mpi_options = _mpi_param_value(
mpi_args, env, params.SMDATAPARALLEL_CUSTOM_MPI_OPTIONS, "")
return smdataparallel.SMDataParallelRunner(
user_entry_point,
args,
env_vars,
processes_per_host,
env.master_hostname,
env.distribution_hosts,
custom_mpi_options,
env.network_interface_name,
)
elif identifier is RunnerType.SMDataParallel:
return mpi.WorkerRunner(user_entry_point, args, env_vars,
processes_per_host, env.master_hostname)
elif identifier is RunnerType.MPI and env.is_master:
num_processes = _mpi_param_value(mpi_args, env,
params.MPI_NUM_PROCESSES)
custom_mpi_options = _mpi_param_value(mpi_args, env,
params.MPI_CUSTOM_OPTIONS, "")
return mpi.MasterRunner(
user_entry_point,
args,
env_vars,
processes_per_host,
env.master_hostname,
env.distribution_hosts,
custom_mpi_options,
env.network_interface_name,
num_processes=num_processes,
)
elif identifier is RunnerType.MPI:
return mpi.WorkerRunner(user_entry_point, args, env_vars,
processes_per_host, env.master_hostname)
elif identifier is RunnerType.Process:
return process.ProcessRunner(user_entry_point, args, env_vars,
processes_per_host)
else:
raise ValueError("Invalid identifier %s" % identifier)
def test_run_python(log, popen, entry_point_type_script):
popen().communicate.return_value = (None, 0)
with pytest.raises(errors.ExecuteUserScriptError):
process.ProcessRunner("launcher.py", ["--lr", "13"], {}).run(capture_error=True)
cmd = [sys.executable, "launcher.py", "--lr", "13"]
popen.assert_called_with(cmd, cwd=environment.code_dir, env=os.environ, stderr=subprocess.PIPE)
log.assert_called_with(cmd, {})
def test_run_python(log, async_shell, async_gather, entry_point_type_script,
event_loop):
async_gather.return_value = ("stdout", "stderr")
with pytest.raises(errors.ExecuteUserScriptError):
rc, output, proc = process.ProcessRunner("launcher.py", ["--lr", "13"],
{}, 2).run(capture_error=True)
assert output == "stderr"
cmd = [sys.executable, "launcher.py", "--lr", "13"]
async_shell.assert_called_once()
async_gather.assert_called_once()
async_shell.assert_called_with(
" ".join(cmd),
cwd=environment.code_dir,
env=os.environ,
stderr=asyncio.subprocess.PIPE,
stdout=asyncio.subprocess.PIPE,
)
log.assert_called_with(cmd, {})
def test_run_error():
with pytest.raises(errors.ExecuteUserScriptError) as e:
process.ProcessRunner("wrong module", [], {}, 1).run()
message = str(e.value)
assert "ExecuteUserScriptError:" in message
