FIX: Properly jsanitize fireworks Task

src/jobflow/managers/fireworks.py

@@ -5,6 +5,8 @@
 import typing
 
 from fireworks import FiretaskBase, Firework, FWAction, Workflow, explicit_serialize
+from fireworks.utilities.fw_serializers import recursive_serialize, serialize_fw
+from monty.json import jsanitize
 
 if typing.TYPE_CHECKING:
     from collections.abc import Sequence
@@ -197,3 +199,16 @@ def run_task(self, fw_spec):
             defuse_workflow=response.stop_jobflow,
             defuse_children=response.stop_children,
         )
+
+    @serialize_fw
+    @recursive_serialize
+    def to_dict(self) -> dict:
+        """
+        Serialize version of the FireTask.
+
+        Overrides the original method to explicitly jsanitize the Job
+        to handle cases not properly handled by fireworks, like a Callable.
+        """
+        d = dict(self)
+        d["job"] = jsanitize(d["job"].as_dict())
+        return d

tests/managers/conftest.py

@@ -399,3 +399,25 @@ def _gen():
         return Flow([replace, simple], simple.output, order=JobOrder.LINEAR)
 
     return _gen
+
+
+@pytest.fixture(scope="session")
+def maker_with_callable():
+    from dataclasses import dataclass
+    from typing import Callable
+
+    from jobflow.core.job import job
+    from jobflow.core.maker import Maker
+
+    global TestCallableMaker
+
+    @dataclass
+    class TestCallableMaker(Maker):
+        f: Callable
+        name: str = "TestCallableMaker"
+
+        @job
+        def make(self, a, b):
+            return self.f([a, b])
+
+    return TestCallableMaker

tests/managers/test_fireworks.py

@@ -659,3 +659,36 @@ def test_external_reference(lpad, mongo_jobstore, fw_dir, simple_job, capsys):
     # check response
     result2 = mongo_jobstore.query_one({"uuid": uuid2})
     assert result2["output"] == "12345_end_end"
+
+
+def test_maker_flow(lpad, mongo_jobstore, fw_dir, maker_with_callable, capsys):
+    from fireworks.core.rocket_launcher import rapidfire
+
+    from jobflow.core.flow import Flow
+    from jobflow.managers.fireworks import flow_to_workflow
+
+    j = maker_with_callable(f=sum).make(a=1, b=2)
+
+    flow = Flow([j])
+    uuid = flow[0].uuid
+
+    wf = flow_to_workflow(flow, mongo_jobstore)
+    fw_ids = lpad.add_wf(wf)
+
+    # run the workflow
+    rapidfire(lpad)
+
+    # check workflow completed
+    fw_id = next(iter(fw_ids.values()))
+    wf = lpad.get_wf_by_fw_id(fw_id)
+
+    assert all(s == "COMPLETED" for s in wf.fw_states.values())
+
+    # check store has the activity output
+    result = mongo_jobstore.query_one({"uuid": uuid})
+    assert result["output"] == 3
+
+    # check logs printed
+    captured = capsys.readouterr()
+    assert "INFO Starting job - TestCallableMaker" in captured.out
+    assert "INFO Finished job - TestCallableMaker" in captured.out