Tupan fails tests #1230
Description
Describe the bug
Tupan fails its tests, and I don't recall it doing that before. It doesn't seem to be a change in AMUSE, at least I can reproduce it in 2025.9.0 as well.
Error
$ ./setup test tupan
Checking for dependencies, one moment please...
Testing amuse-tupan...
make: Entering directory '/home/lourens/NLeSC/projects/ReDiTSAp/activities/pr_1227_new_examples/amuse/src/amuse_tupan'
cd packages/amuse-tupan && pytest
============================= test session starts ==============================
platform linux -- Python 3.14.3, pytest-9.0.2, pluggy-1.6.0
rootdir: /home/lourens/NLeSC/projects/ReDiTSAp/activities/pr_1227_new_examples/amuse/src/amuse_tupan/packages/amuse-tupan
configfile: pyproject.toml
testpaths: amuse_tupan/tests
collected 12 items
amuse_tupan/tests/test_tupan.py .FF.F.FFFFFF [100%]
=================================== FAILURES ===================================
__________________________ TestTupanInterface.test02 ___________________________
self = <amuse.rfi.core.CodeFunction object at 0x7e42c9ac9050>
arguments_list = (), keyword_arguments = {}, dtype_to_values = {}
handle_as_array = False, call_id = 860
def __call__(self, *arguments_list, **keyword_arguments):
if self.interface.async_request:
try:
self.interface.async_request.wait()
except Exception as ex:
warnings.warn("Ignored exception in async call: " + str(ex))
dtype_to_values = self.converted_keyword_and_list_arguments(
arguments_list, keyword_arguments
)
handle_as_array = self.must_handle_as_array(dtype_to_values)
if not self.owner is None:
CODE_LOG.info(
"start call '%s.%s'", self.owner.__name__, self.specification.name
)
call_id = random.randint(0, 1000)
try:
self.interface.channel.send_message(
call_id, self.specification.id, dtype_to_arguments=dtype_to_values
)
> dtype_to_result = self.interface.channel.recv_message(
call_id, self.specification.id, handle_as_array
)
/home/lourens/.miniconda3/envs/amuse-pr-1227/lib/python3.14/site-packages/amuse/rfi/core.py:129:
_ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _
self = <amuse.rfi.channel.MpiChannel object at 0x7e42344d9090>, call_id = 860
function_id = 20920053, handle_as_array = False, has_units = False
def recv_message(self, call_id, function_id, handle_as_array, has_units=False):
if self._communicated_splitted_message:
x = self._merged_results_splitted_message
self._communicated_splitted_message = False
del self._merged_results_splitted_message
return x
message = ServerSideMPIMessage(
polling_interval=self.polling_interval_in_milliseconds * 1000
)
try:
message.receive(self.intercomm)
except MPI.Exception as ex:
self._is_inuse = False
self.stop()
raise ex
self.inuse_semaphore.acquire()
try:
if not self._is_inuse:
raise exceptions.CodeException(
"You've tried to recv a message to a code that is not handling a message, this is not correct"
)
self._is_inuse = False
finally:
self.inuse_semaphore.release()
if message.error:
error_message = (
message.strings[0] if len(message.strings) > 0 else "no error message"
)
if message.call_id != call_id or message.function_id != function_id:
self.stop()
error_message += " - code probably died, sorry."
> raise exceptions.CodeException("Error in code: " + error_message)
E amuse.support.exceptions.CodeException: Error in code: setting an array element with a sequence.
/home/lourens/.miniconda3/envs/amuse-pr-1227/lib/python3.14/site-packages/amuse/rfi/channel.py:1361: CodeException
During handling of the above exception, another exception occurred:
self = <test_tupan.TestTupanInterface testMethod=test02>
def test02(self):
if MODULES_MISSING:
self.skip("Failed to import a module required for Tupan")
print("Test TupanInterface new_particle / get_state")
instance = self.new_instance_of_an_optional_code(TupanInterface)
self.assertEqual(0, instance.initialize_code())
self.assertEqual(0, instance.commit_parameters())
id, error = instance.new_particle(mass=11.0, radius=2.0, x=0.0, y=0.0, z=0.0, vx=0.0, vy=0.0, vz=0.0)
self.assertEqual(0, error)
self.assertEqual(0, id)
id, error = instance.new_particle(mass=21.0, radius=5.0, x=10.0, y=0.0, z=0.0, vx=10.0, vy=0.0, vz=0.0)
self.assertEqual(0, error)
self.assertEqual(1, id)
> self.assertEqual(0, instance.commit_particles())
^^^^^^^^^^^^^^^^^^^^^^^^^^^
amuse_tupan/tests/test_tupan.py:41:
_ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _
self = <amuse.rfi.core.CodeFunction object at 0x7e42c9ac9050>
arguments_list = (), keyword_arguments = {}, dtype_to_values = {}
handle_as_array = False, call_id = 860
def __call__(self, *arguments_list, **keyword_arguments):
if self.interface.async_request:
try:
self.interface.async_request.wait()
except Exception as ex:
warnings.warn("Ignored exception in async call: " + str(ex))
dtype_to_values = self.converted_keyword_and_list_arguments(
arguments_list, keyword_arguments
)
handle_as_array = self.must_handle_as_array(dtype_to_values)
if not self.owner is None:
CODE_LOG.info(
"start call '%s.%s'", self.owner.__name__, self.specification.name
)
call_id = random.randint(0, 1000)
try:
self.interface.channel.send_message(
call_id, self.specification.id, dtype_to_arguments=dtype_to_values
)
dtype_to_result = self.interface.channel.recv_message(
call_id, self.specification.id, handle_as_array
)
except Exception as ex:
CODE_LOG.info(
"Exception when calling function '{0}', of code '{1}', exception was '{2}'".format(
self.specification.name, type(self.interface).__name__, ex
)
)
> raise exceptions.CodeException(
"Exception when calling function '{0}', of code '{1}', exception was '{2}'".format(
self.specification.name, type(self.interface).__name__, ex
)
)
E amuse.support.exceptions.CodeException: Exception when calling function 'commit_particles', of code 'TupanInterface', exception was 'Error in code: setting an array element with a sequence.'
/home/lourens/.miniconda3/envs/amuse-pr-1227/lib/python3.14/site-packages/amuse/rfi/core.py:138: CodeException
----------------------------- Captured stdout call -----------------------------
The other tests fail with the same message.
Related: #793