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[BREAKING] Python: Refactor workflow events to unified discriminated union pattern (#3690)

Browse Source 
* Refactor events

* Merge main

* Fixes

* Cleanup

* Update samples and tests

* Remove unused imports

* PR feedback

* Merge main. Add properties for events to help typing

* Formatting

* Cleanup

* use builtins.type to avoid shadowing by WorkflowEvent.type attribute

* Final improvements
This commit is contained in:
Evan Mattson
2026-02-06 16:47:20 +09:00
committed by GitHub
Unverified
parent 09f59b21ad
commit 0f3f4dbcaf
127 changed files with 1646 additions and 1703 deletions
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python/packages/orchestrations/tests/test_concurrent.py
+24 -26
View File
@@ -10,9 +10,7 @@ from agent_framework import (
ChatMessage,
Executor,
WorkflowContext,
WorkflowOutputEvent,
WorkflowRunState,
WorkflowStatusEvent,
handler,
)
from agent_framework._workflows._checkpoint import InMemoryCheckpointStorage
@@ -111,9 +109,9 @@ async def test_concurrent_default_aggregator_emits_single_user_and_assistants()
completed = False
output: list[ChatMessage] | None = None
async for ev in wf.run("prompt: hello world", stream=True):
if isinstance(ev, WorkflowStatusEvent) and ev.state == WorkflowRunState.IDLE:
if ev.type == "status" and ev.state == WorkflowRunState.IDLE:
completed = True
elif isinstance(ev, WorkflowOutputEvent):
elif ev.type == "output":
output = cast(list[ChatMessage], ev.data)
if completed and output is not None:
break
@@ -149,9 +147,9 @@ async def test_concurrent_custom_aggregator_callback_is_used() -> None:
completed = False
output: str | None = None
async for ev in wf.run("prompt: custom", stream=True):
if isinstance(ev, WorkflowStatusEvent) and ev.state == WorkflowRunState.IDLE:
if ev.type == "status" and ev.state == WorkflowRunState.IDLE:
completed = True
elif isinstance(ev, WorkflowOutputEvent):
elif ev.type == "output":
output = cast(str, ev.data)
if completed and output is not None:
break
@@ -180,9 +178,9 @@ async def test_concurrent_custom_aggregator_sync_callback_is_used() -> None:
completed = False
output: str | None = None
async for ev in wf.run("prompt: custom sync", stream=True):
if isinstance(ev, WorkflowStatusEvent) and ev.state == WorkflowRunState.IDLE:
if ev.type == "status" and ev.state == WorkflowRunState.IDLE:
completed = True
elif isinstance(ev, WorkflowOutputEvent):
elif ev.type == "output":
output = cast(str, ev.data)
if completed and output is not None:
break
@@ -228,9 +226,9 @@ async def test_concurrent_with_aggregator_executor_instance() -> None:
completed = False
output: str | None = None
async for ev in wf.run("prompt: instance test", stream=True):
if isinstance(ev, WorkflowStatusEvent) and ev.state == WorkflowRunState.IDLE:
if ev.type == "status" and ev.state == WorkflowRunState.IDLE:
completed = True
elif isinstance(ev, WorkflowOutputEvent):
elif ev.type == "output":
output = cast(str, ev.data)
if completed and output is not None:
break
@@ -266,9 +264,9 @@ async def test_concurrent_with_aggregator_executor_factory() -> None:
completed = False
output: str | None = None
async for ev in wf.run("prompt: factory test", stream=True):
if isinstance(ev, WorkflowStatusEvent) and ev.state == WorkflowRunState.IDLE:
if ev.type == "status" and ev.state == WorkflowRunState.IDLE:
completed = True
elif isinstance(ev, WorkflowOutputEvent):
elif ev.type == "output":
output = cast(str, ev.data)
if completed and output is not None:
break
@@ -302,9 +300,9 @@ async def test_concurrent_with_aggregator_executor_factory_with_default_id() ->
completed = False
output: str | None = None
async for ev in wf.run("prompt: factory test", stream=True):
if isinstance(ev, WorkflowStatusEvent) and ev.state == WorkflowRunState.IDLE:
if ev.type == "status" and ev.state == WorkflowRunState.IDLE:
completed = True
elif isinstance(ev, WorkflowOutputEvent):
elif ev.type == "output":
output = cast(str, ev.data)
if completed and output is not None:
break
@@ -352,9 +350,9 @@ async def test_concurrent_checkpoint_resume_round_trip() -> None:
baseline_output: list[ChatMessage] | None = None
async for ev in wf.run("checkpoint concurrent", stream=True):
if isinstance(ev, WorkflowOutputEvent):
if ev.type == "output":
baseline_output = ev.data # type: ignore[assignment]
if isinstance(ev, WorkflowStatusEvent) and ev.state == WorkflowRunState.IDLE:
if ev.type == "status" and ev.state == WorkflowRunState.IDLE:
break
assert baseline_output is not None
@@ -376,9 +374,9 @@ async def test_concurrent_checkpoint_resume_round_trip() -> None:
resumed_output: list[ChatMessage] | None = None
async for ev in wf_resume.run(checkpoint_id=resume_checkpoint.checkpoint_id, stream=True):
if isinstance(ev, WorkflowOutputEvent):
if ev.type == "output":
resumed_output = ev.data # type: ignore[assignment]
if isinstance(ev, WorkflowStatusEvent) and ev.state in (
if ev.type == "status" and ev.state in (
WorkflowRunState.IDLE,
WorkflowRunState.IDLE_WITH_PENDING_REQUESTS,
):
@@ -398,9 +396,9 @@ async def test_concurrent_checkpoint_runtime_only() -> None:
baseline_output: list[ChatMessage] | None = None
async for ev in wf.run("runtime checkpoint test", checkpoint_storage=storage, stream=True):
if isinstance(ev, WorkflowOutputEvent):
if ev.type == "output":
baseline_output = ev.data # type: ignore[assignment]
if isinstance(ev, WorkflowStatusEvent) and ev.state == WorkflowRunState.IDLE:
if ev.type == "status" and ev.state == WorkflowRunState.IDLE:
break
assert baseline_output is not None
@@ -421,9 +419,9 @@ async def test_concurrent_checkpoint_runtime_only() -> None:
async for ev in wf_resume.run(
checkpoint_id=resume_checkpoint.checkpoint_id, checkpoint_storage=storage, stream=True
):
if isinstance(ev, WorkflowOutputEvent):
if ev.type == "output":
resumed_output = ev.data # type: ignore[assignment]
if isinstance(ev, WorkflowStatusEvent) and ev.state in (
if ev.type == "status" and ev.state in (
WorkflowRunState.IDLE,
WorkflowRunState.IDLE_WITH_PENDING_REQUESTS,
):
@@ -448,9 +446,9 @@ async def test_concurrent_checkpoint_runtime_overrides_buildtime() -> None:
baseline_output: list[ChatMessage] | None = None
async for ev in wf.run("override test", checkpoint_storage=runtime_storage, stream=True):
if isinstance(ev, WorkflowOutputEvent):
if ev.type == "output":
baseline_output = ev.data # type: ignore[assignment]
if isinstance(ev, WorkflowStatusEvent) and ev.state == WorkflowRunState.IDLE:
if ev.type == "status" and ev.state == WorkflowRunState.IDLE:
break
assert baseline_output is not None
@@ -530,9 +528,9 @@ async def test_concurrent_with_register_participants() -> None:
completed = False
output: list[ChatMessage] | None = None
async for ev in wf.run("test prompt", stream=True):
if isinstance(ev, WorkflowStatusEvent) and ev.state == WorkflowRunState.IDLE:
if ev.type == "status" and ev.state == WorkflowRunState.IDLE:
completed = True
elif isinstance(ev, WorkflowOutputEvent):
elif ev.type == "output":
output = cast(list[ChatMessage], ev.data)
if completed and output is not None:
break