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self-review (no-mistakes)

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This commit is contained in:
Igor Loskutov
2025-12-16 22:47:09 -05:00
parent 4b00dda0ca
commit 67420d2ec4
8 changed files with 190 additions and 200 deletions
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19
server/reflector/hatchet/client.py
View File

@@ -8,8 +8,10 @@ Uses singleton pattern because:
"""
import logging
import threading
from hatchet_sdk import ClientConfig, Hatchet
from hatchet_sdk.clients.rest.models import V1TaskStatus
from reflector.logger import logger
from reflector.settings import settings
@@ -26,14 +28,13 @@ class HatchetClientManager:
"""
_instance: Hatchet | None = None
_lock = threading.Lock()
@classmethod
def get_client(cls) -> Hatchet:
"""Get or create the Hatchet client.
Configures root logger so all logger.info() calls in workflows
appear in the Hatchet dashboard logs.
"""
"""Get or create the Hatchet client (thread-safe singleton)."""
if cls._instance is None:
with cls._lock:
if cls._instance is None:
if not settings.HATCHET_CLIENT_TOKEN:
raise ValueError("HATCHET_CLIENT_TOKEN must be set")
@@ -71,11 +72,10 @@ class HatchetClientManager:
return result.run.metadata.id
@classmethod
async def get_workflow_run_status(cls, workflow_run_id: str) -> str:
async def get_workflow_run_status(cls, workflow_run_id: str) -> V1TaskStatus:
"""Get workflow run status."""
client = cls.get_client()
status = await client.runs.aio_get_status(workflow_run_id)
return str(status)
return await client.runs.aio_get_status(workflow_run_id)
@classmethod
async def cancel_workflow(cls, workflow_run_id: str) -> None:
@@ -96,7 +96,7 @@ class HatchetClientManager:
"""Check if workflow can be replayed (is FAILED)."""
try:
status = await cls.get_workflow_run_status(workflow_run_id)
return "FAILED" in status
return status == V1TaskStatus.FAILED
except Exception as e:
logger.warning(
"[Hatchet] Failed to check replay status",
@@ -115,4 +115,5 @@ class HatchetClientManager:
@classmethod
def reset(cls) -> None:
"""Reset the client instance (for testing)."""
with cls._lock:
cls._instance = None

7
server/reflector/hatchet/workflows/diarization_pipeline.py
View File

@@ -501,16 +501,19 @@ async def mixdown_tracks(input: PipelineInput, ctx: Context) -> MixdownResult:
# Determine target sample rate from first track
target_sample_rate = None
for url in valid_urls:
container = None
try:
container = av.open(url)
for frame in container.decode(audio=0):
target_sample_rate = frame.sample_rate
break
except Exception:
continue
finally:
if container is not None:
container.close()
if target_sample_rate:
break
except Exception:
continue
if not target_sample_rate:
raise ValueError("No decodable audio frames in any track")

107
server/reflector/services/transcript_process.py
View File

@@ -11,6 +11,7 @@ from typing import Literal, Union, assert_never
import celery
from celery.result import AsyncResult
from hatchet_sdk.clients.rest.models import V1TaskStatus
from reflector.db.recordings import recordings_controller
from reflector.db.transcripts import Transcript
@@ -114,14 +115,12 @@ async def validate_transcript_for_processing(
# Check Hatchet workflows (if enabled)
if settings.HATCHET_ENABLED and transcript.workflow_run_id:
from reflector.hatchet.client import HatchetClientManager
try:
status = await HatchetClientManager.get_workflow_run_status(
transcript.workflow_run_id
)
# If workflow is running or queued, don't allow new processing
if "RUNNING" in status or "QUEUED" in status:
if status in (V1TaskStatus.RUNNING, V1TaskStatus.QUEUED):
return ValidationAlreadyScheduled(
detail="Hatchet workflow already running"
)
@@ -173,50 +172,25 @@ async def prepare_transcript_processing(validation: ValidationOk) -> PrepareResu
)
def dispatch_transcript_processing(
async def dispatch_transcript_processing(
config: ProcessingConfig, force: bool = False
) -> AsyncResult | None:
"""Dispatch transcript processing to appropriate backend (Hatchet or Celery).
Returns AsyncResult for Celery tasks, None for Hatchet workflows.
"""
from reflector.db.rooms import rooms_controller
from reflector.db.transcripts import transcripts_controller
if isinstance(config, MultitrackProcessingConfig):
# Check if room has use_hatchet=True (overrides env vars)
room_forces_hatchet = False
if config.room_id:
import asyncio
from reflector.db.rooms import rooms_controller
async def _check_room_hatchet():
import databases
from reflector.db import _database_context
db = databases.Database(settings.DATABASE_URL)
_database_context.set(db)
await db.connect()
try:
room = await rooms_controller.get_by_id(config.room_id)
return room.use_hatchet if room else False
finally:
await db.disconnect()
_database_context.set(None)
try:
loop = asyncio.get_running_loop()
except RuntimeError:
loop = None
if loop and loop.is_running():
import concurrent.futures
with concurrent.futures.ThreadPoolExecutor() as pool:
room_forces_hatchet = pool.submit(
asyncio.run, _check_room_hatchet()
).result()
else:
room_forces_hatchet = asyncio.run(_check_room_hatchet())
room_forces_hatchet = room.use_hatchet if room else False
# Start durable workflow if enabled (Hatchet or Conductor)
# or if room has use_hatchet=True
durable_started = False
use_hatchet = settings.HATCHET_ENABLED or room_forces_hatchet
if room_forces_hatchet:
@@ -227,23 +201,8 @@ def dispatch_transcript_processing(
)
if use_hatchet:
import asyncio
import databases
from reflector.db import _database_context
from reflector.db.transcripts import transcripts_controller
async def _handle_hatchet():
db = databases.Database(settings.DATABASE_URL)
_database_context.set(db)
await db.connect()
try:
transcript = await transcripts_controller.get_by_id(
config.transcript_id
)
# First check if we can replay (outside transaction since it's read-only)
transcript = await transcripts_controller.get_by_id(config.transcript_id)
if transcript and transcript.workflow_run_id and not force:
can_replay = await HatchetClientManager.can_replay(
transcript.workflow_run_id
@@ -256,13 +215,11 @@ def dispatch_transcript_processing(
"Replaying Hatchet workflow",
workflow_id=transcript.workflow_run_id,
)
return transcript.workflow_run_id
return None
# Force: cancel old workflow if exists
if force and transcript and transcript.workflow_run_id:
await HatchetClientManager.cancel_workflow(
transcript.workflow_run_id
)
await HatchetClientManager.cancel_workflow(transcript.workflow_run_id)
logger.info(
"Cancelled old workflow (--force)",
workflow_id=transcript.workflow_run_id,
@@ -271,22 +228,22 @@ def dispatch_transcript_processing(
transcript, {"workflow_run_id": None}
)
# Re-fetch transcript to check for concurrent dispatch (TOCTOU protection)
transcript = await transcripts_controller.get_by_id(
config.transcript_id
)
# Re-fetch and check for concurrent dispatch (optimistic approach).
# No database lock - worst case is duplicate dispatch, but Hatchet
# workflows are idempotent so this is acceptable.
transcript = await transcripts_controller.get_by_id(config.transcript_id)
if transcript and transcript.workflow_run_id:
# Another process started a workflow between validation and now
try:
status = await HatchetClientManager.get_workflow_run_status(
transcript.workflow_run_id
)
if "RUNNING" in status or "QUEUED" in status:
if status in (V1TaskStatus.RUNNING, V1TaskStatus.QUEUED):
logger.info(
"Concurrent workflow detected, skipping dispatch",
workflow_id=transcript.workflow_run_id,
)
return transcript.workflow_run_id
return None
except Exception:
# If we can't get status, proceed with new workflow
pass
@@ -313,29 +270,7 @@ def dispatch_transcript_processing(
transcript, {"workflow_run_id": workflow_id}
)
return workflow_id
finally:
await db.disconnect()
_database_context.set(None)
try:
loop = asyncio.get_running_loop()
except RuntimeError:
loop = None
if loop and loop.is_running():
import concurrent.futures
with concurrent.futures.ThreadPoolExecutor() as pool:
workflow_id = pool.submit(asyncio.run, _handle_hatchet()).result()
else:
workflow_id = asyncio.run(_handle_hatchet())
logger.info("Hatchet workflow dispatched", workflow_id=workflow_id)
durable_started = True
# If durable workflow started, skip Celery
if durable_started:
return None
# Celery pipeline (durable workflows disabled)

36
server/reflector/tools/process_transcript.py
View File

@@ -15,6 +15,7 @@ import time
from typing import Callable
from celery.result import AsyncResult
from hatchet_sdk.clients.rest.models import V1TaskStatus
from reflector.db.transcripts import Transcript, transcripts_controller
from reflector.services.transcript_process import (
@@ -35,12 +36,12 @@ async def process_transcript_inner(
on_validation: Callable[[ValidationResult], None],
on_preprocess: Callable[[PrepareResult], None],
force: bool = False,
) -> AsyncResult:
) -> AsyncResult | None:
validation = await validate_transcript_for_processing(transcript)
on_validation(validation)
config = await prepare_transcript_processing(validation)
on_preprocess(config)
return dispatch_transcript_processing(config, force=force)
return await dispatch_transcript_processing(config, force=force)
async def process_transcript(
@@ -92,7 +93,38 @@ async def process_transcript(
force=force,
)
if result is None:
# Hatchet workflow dispatched
if sync:
from reflector.hatchet.client import HatchetClientManager
# Re-fetch transcript to get workflow_run_id
transcript = await transcripts_controller.get_by_id(transcript_id)
if not transcript or not transcript.workflow_run_id:
print("Error: workflow_run_id not found", file=sys.stderr)
sys.exit(1)
print("Waiting for Hatchet workflow...", file=sys.stderr)
while True:
status = await HatchetClientManager.get_workflow_run_status(
transcript.workflow_run_id
)
print(f" Status: {status}", file=sys.stderr)
if status == V1TaskStatus.COMPLETED:
print("Workflow completed successfully", file=sys.stderr)
break
elif status in (V1TaskStatus.FAILED, V1TaskStatus.CANCELLED):
print(f"Workflow failed: {status}", file=sys.stderr)
sys.exit(1)
await asyncio.sleep(5)
else:
print(
"Task dispatched (use --sync to wait for completion)",
file=sys.stderr,
)
elif sync:
print("Waiting for task completion...", file=sys.stderr)
while not result.ready():
print(f" Status: {result.state}", file=sys.stderr)

2
server/reflector/views/transcripts_process.py
View File

@@ -50,5 +50,5 @@ async def transcript_process(
if isinstance(config, ProcessError):
raise HTTPException(status_code=500, detail=config.detail)
else:
dispatch_transcript_processing(config)
await dispatch_transcript_processing(config)
return ProcessStatus(status="ok")

12
server/reflector/worker/process.py
View File

@@ -286,10 +286,18 @@ async def _process_multitrack_recording_inner(
room_id=room.id,
)
# Start durable workflow if enabled (Hatchet)
# Start durable workflow if enabled (Hatchet) or room overrides it
durable_started = False
use_hatchet = settings.HATCHET_ENABLED or (room and room.use_hatchet)
if settings.HATCHET_ENABLED:
if room and room.use_hatchet and not settings.HATCHET_ENABLED:
logger.info(
"Room forces Hatchet workflow",
room_id=room.id,
transcript_id=transcript.id,
)
if use_hatchet:
from reflector.hatchet.client import HatchetClientManager # noqa: PLC0415
workflow_id = await HatchetClientManager.start_workflow(

32
server/reflector/ws_manager.py
View File

@@ -109,29 +109,19 @@ class WebsocketManager:
await socket.send_json(data)
_ws_manager_instance: WebsocketManager | None = None
_ws_manager_lock = threading.Lock()
def get_ws_manager() -> WebsocketManager:
"""
Returns the WebsocketManager instance for managing websockets.
This function initializes and returns the WebsocketManager instance,
which is responsible for managing websockets and handling websocket
connections.
Returns:
WebsocketManager: The initialized WebsocketManager instance.
Raises:
ImportError: If the 'reflector.settings' module cannot be imported.
RedisConnectionError: If there is an error connecting to the Redis server.
"""
local = threading.local()
if hasattr(local, "ws_manager"):
return local.ws_manager
"""Returns the WebsocketManager singleton instance."""
global _ws_manager_instance
if _ws_manager_instance is None:
with _ws_manager_lock:
if _ws_manager_instance is None:
pubsub_client = RedisPubSubManager(
host=settings.REDIS_HOST,
port=settings.REDIS_PORT,
)
ws_manager = WebsocketManager(pubsub_client=pubsub_client)
local.ws_manager = ws_manager
return ws_manager
_ws_manager_instance = WebsocketManager(pubsub_client=pubsub_client)
return _ws_manager_instance

43
server/tests/test_hatchet_dispatch.py
View File

@@ -11,6 +11,7 @@ These tests verify:
from unittest.mock import AsyncMock, patch
import pytest
from hatchet_sdk.clients.rest.models import V1TaskStatus
from reflector.db.transcripts import Transcript
@@ -35,8 +36,12 @@ async def test_hatchet_validation_blocks_running_workflow():
with patch("reflector.services.transcript_process.settings") as mock_settings:
mock_settings.HATCHET_ENABLED = True
with patch("reflector.hatchet.client.HatchetClientManager") as mock_hatchet:
mock_hatchet.get_workflow_run_status = AsyncMock(return_value="RUNNING")
with patch(
"reflector.services.transcript_process.HatchetClientManager"
) as mock_hatchet:
mock_hatchet.get_workflow_run_status = AsyncMock(
return_value=V1TaskStatus.RUNNING
)
with patch(
"reflector.services.transcript_process.task_is_scheduled_or_active"
@@ -69,8 +74,12 @@ async def test_hatchet_validation_blocks_queued_workflow():
with patch("reflector.services.transcript_process.settings") as mock_settings:
mock_settings.HATCHET_ENABLED = True
with patch("reflector.hatchet.client.HatchetClientManager") as mock_hatchet:
mock_hatchet.get_workflow_run_status = AsyncMock(return_value="QUEUED")
with patch(
"reflector.services.transcript_process.HatchetClientManager"
) as mock_hatchet:
mock_hatchet.get_workflow_run_status = AsyncMock(
return_value=V1TaskStatus.QUEUED
)
with patch(
"reflector.services.transcript_process.task_is_scheduled_or_active"
@@ -103,8 +112,12 @@ async def test_hatchet_validation_allows_failed_workflow():
with patch("reflector.services.transcript_process.settings") as mock_settings:
mock_settings.HATCHET_ENABLED = True
with patch("reflector.hatchet.client.HatchetClientManager") as mock_hatchet:
mock_hatchet.get_workflow_run_status = AsyncMock(return_value="FAILED")
with patch(
"reflector.services.transcript_process.HatchetClientManager"
) as mock_hatchet:
mock_hatchet.get_workflow_run_status = AsyncMock(
return_value=V1TaskStatus.FAILED
)
with patch(
"reflector.services.transcript_process.task_is_scheduled_or_active"
@@ -138,8 +151,12 @@ async def test_hatchet_validation_allows_completed_workflow():
with patch("reflector.services.transcript_process.settings") as mock_settings:
mock_settings.HATCHET_ENABLED = True
with patch("reflector.hatchet.client.HatchetClientManager") as mock_hatchet:
mock_hatchet.get_workflow_run_status = AsyncMock(return_value="COMPLETED")
with patch(
"reflector.services.transcript_process.HatchetClientManager"
) as mock_hatchet:
mock_hatchet.get_workflow_run_status = AsyncMock(
return_value=V1TaskStatus.COMPLETED
)
with patch(
"reflector.services.transcript_process.task_is_scheduled_or_active"
@@ -172,7 +189,9 @@ async def test_hatchet_validation_allows_when_status_check_fails():
with patch("reflector.services.transcript_process.settings") as mock_settings:
mock_settings.HATCHET_ENABLED = True
with patch("reflector.hatchet.client.HatchetClientManager") as mock_hatchet:
with patch(
"reflector.services.transcript_process.HatchetClientManager"
) as mock_hatchet:
# Status check fails (workflow might be deleted)
mock_hatchet.get_workflow_run_status = AsyncMock(
side_effect=Exception("Workflow not found")
@@ -210,7 +229,9 @@ async def test_hatchet_validation_skipped_when_no_workflow_id():
with patch("reflector.services.transcript_process.settings") as mock_settings:
mock_settings.HATCHET_ENABLED = True
with patch("reflector.hatchet.client.HatchetClientManager") as mock_hatchet:
with patch(
"reflector.services.transcript_process.HatchetClientManager"
) as mock_hatchet:
# Should not be called
mock_hatchet.get_workflow_run_status = AsyncMock()
@@ -338,7 +359,7 @@ async def test_prepare_multitrack_config():
assert result.bucket_name == "test-bucket"
assert result.track_keys == ["track1.webm", "track2.webm"]
assert result.transcript_id == "test-transcript-id"
assert result.room_id == "test-room"
assert result.room_id is None # ValidationOk didn't specify room_id
@pytest.mark.usefixtures("setup_database")