server: include endpoint to upload a audio/video file

server/poetry.lock

@@ -1,4 +1,4 @@
-# This file is automatically @generated by Poetry 1.6.1 and should not be changed by hand.
+# This file is automatically @generated by Poetry 1.7.0 and should not be changed by hand.
 
 [[package]]
 name = "aioboto3"
@@ -2881,6 +2881,20 @@ cryptography = ["cryptography (>=3.4.0)"]
 pycrypto = ["pyasn1", "pycrypto (>=2.6.0,<2.7.0)"]
 pycryptodome = ["pyasn1", "pycryptodome (>=3.3.1,<4.0.0)"]
 
+[[package]]
+name = "python-multipart"
+version = "0.0.6"
+description = "A streaming multipart parser for Python"
+optional = false
+python-versions = ">=3.7"
+files = [
+    {file = "python_multipart-0.0.6-py3-none-any.whl", hash = "sha256:ee698bab5ef148b0a760751c261902cd096e57e10558e11aca17646b74ee1c18"},
+    {file = "python_multipart-0.0.6.tar.gz", hash = "sha256:e9925a80bb668529f1b67c7fdb0a5dacdd7cbfc6fb0bff3ea443fe22bdd62132"},
+]
+
+[package.extras]
+dev = ["atomicwrites (==1.2.1)", "attrs (==19.2.0)", "coverage (==6.5.0)", "hatch", "invoke (==1.7.3)", "more-itertools (==4.3.0)", "pbr (==4.3.0)", "pluggy (==1.0.0)", "py (==1.11.0)", "pytest (==7.2.0)", "pytest-cov (==4.0.0)", "pytest-timeout (==2.1.0)", "pyyaml (==5.1)"]
+
 [[package]]
 name = "pyyaml"
 version = "6.0.1"
@@ -4219,4 +4233,4 @@ multidict = ">=4.0"
 [metadata]
 lock-version = "2.0"
 python-versions = "^3.11"
-content-hash = "91d85539f5093abad70e34aa4d533272d6a2e2bbdb539c7968fe79c28b50d01a"
+content-hash = "b823010302af2dcd2ece591eaf10d5cbf945f74bd0fc35fc69f3060c0c253d57"

server/pyproject.toml

@@ -36,6 +36,7 @@ profanityfilter = "^2.0.6"
 celery = "^5.3.4"
 redis = "^5.0.1"
 python-jose = {extras = ["cryptography"], version = "^3.3.0"}
+python-multipart = "^0.0.6"
 
 
 [tool.poetry.group.dev.dependencies]

server/reflector/app.py

@@ -17,6 +17,7 @@ from reflector.views.transcripts_audio import router as transcripts_audio_router
 from reflector.views.transcripts_participants import (
     router as transcripts_participants_router,
 )
+from reflector.views.transcripts_upload import router as transcripts_upload_router
 from reflector.views.transcripts_webrtc import router as transcripts_webrtc_router
 from reflector.views.transcripts_websocket import router as transcripts_websocket_router
 from reflector.views.user import router as user_router
@@ -68,6 +69,7 @@ app.include_router(rtc_offer_router)
 app.include_router(transcripts_router, prefix="/v1")
 app.include_router(transcripts_audio_router, prefix="/v1")
 app.include_router(transcripts_participants_router, prefix="/v1")
+app.include_router(transcripts_upload_router, prefix="/v1")
 app.include_router(transcripts_websocket_router, prefix="/v1")
 app.include_router(transcripts_webrtc_router, prefix="/v1")
 app.include_router(user_router, prefix="/v1")

server/reflector/pipelines/main_live_pipeline.py

@@ -618,3 +618,47 @@ def pipeline_post(*, transcript_id: str):
         chain_final_summaries,
     )
     chain.delay()
+
+
+@get_transcript
+async def pipeline_upload(transcript: Transcript, logger: Logger):
+    import av
+
+    try:
+        # open audio
+        upload_filename = next(transcript.data_path.glob("upload.*"))
+        container = av.open(upload_filename.as_posix())
+
+        # create pipeline
+        pipeline = PipelineMainLive(transcript_id=transcript.id)
+        pipeline.start()
+
+        # push audio to pipeline
+        try:
+            logger.info("Start pushing audio into the pipeline")
+            for frame in container.decode(audio=0):
+                pipeline.push(frame)
+        finally:
+            logger.info("Flushing the pipeline")
+            pipeline.flush()
+
+        logger.info("Waiting for the pipeline to end")
+        await pipeline.join()
+
+    except Exception as exc:
+        logger.error("Pipeline error", exc_info=exc)
+        await transcripts_controller.update(
+            transcript,
+            {
+                "status": "error",
+            },
+        )
+        raise
+
+    logger.info("Pipeline ended")
+
+
+@shared_task
+@asynctask
+async def task_pipeline_upload(*, transcript_id: str):
+    return await pipeline_upload(transcript_id=transcript_id)

server/reflector/pipelines/runner.py

@@ -30,7 +30,8 @@ class PipelineRunner(BaseModel):
 
     def __init__(self, **kwargs):
         super().__init__(**kwargs)
-        self._q_cmd = asyncio.Queue()
+        self._task = None
+        self._q_cmd = asyncio.Queue(maxsize=4096)
         self._ev_done = asyncio.Event()
         self._is_first_push = True
         self._logger = logger.bind(
@@ -49,7 +50,14 @@ class PipelineRunner(BaseModel):
         """
         Start the pipeline as a coroutine task
         """
-        asyncio.get_event_loop().create_task(self.run())
+        self._task = asyncio.get_event_loop().create_task(self.run())
+
+    async def join(self):
+        """
+        Wait for the pipeline to finish
+        """
+        if self._task:
+            await self._task
 
     def start_sync(self):
         """

server/reflector/views/transcripts_upload.py

@@ -0,0 +1,79 @@
+from typing import Annotated, Optional
+
+import av
+import reflector.auth as auth
+from fastapi import APIRouter, Depends, HTTPException, UploadFile
+from pydantic import BaseModel
+from reflector.db.transcripts import transcripts_controller
+from reflector.pipelines.main_live_pipeline import task_pipeline_upload
+
+router = APIRouter()
+
+
+class UploadStatus(BaseModel):
+    status: str
+
+
+@router.post("/transcripts/{transcript_id}/record/upload")
+async def transcript_record_upload(
+    transcript_id: str,
+    file: UploadFile,
+    user: Annotated[Optional[auth.UserInfo], Depends(auth.current_user_optional)],
+):
+    user_id = user["sub"] if user else None
+    transcript = await transcripts_controller.get_by_id_for_http(
+        transcript_id, user_id=user_id
+    )
+
+    if transcript.locked:
+        raise HTTPException(status_code=400, detail="Transcript is locked")
+
+    # ensure there is no other upload in the directory (searching data_path/upload.*)
+    if any(transcript.data_path.glob("upload.*")):
+        raise HTTPException(
+            status_code=400, detail="There is already an upload in progress"
+        )
+
+    # save the file to the transcript folder
+    extension = file.filename.split(".")[-1]
+    upload_filename = transcript.data_path / f"upload.{extension}"
+    upload_filename.parent.mkdir(parents=True, exist_ok=True)
+
+    # ensure the file is back to the beginning
+    await file.seek(0)
+
+    # save the file to the transcript folder
+    try:
+        with open(upload_filename, "wb") as f:
+            while True:
+                chunk = await file.read(16384)
+                if not chunk:
+                    break
+                f.write(chunk)
+    except Exception:
+        upload_filename.unlink()
+        raise
+
+    # ensure the file have audio part, using av
+    # XXX Trying to do this check on the initial UploadFile object is not
+    # possible, dunno why. UploadFile.file has no name.
+    # Trying to pass UploadFile.file with format=extension does not work
+    # it never detect audio stream...
+    container = av.open(upload_filename.as_posix())
+    try:
+        if not len(container.streams.audio):
+            raise HTTPException(status_code=400, detail="File has no audio stream")
+    except Exception:
+        # delete the uploaded file
+        upload_filename.unlink()
+        raise
+    finally:
+        container.close()
+
+    # set the status to "uploaded"
+    await transcripts_controller.update(transcript, {"status": "uploaded"})
+
+    # launch a background task to process the file
+    task_pipeline_upload.delay(transcript_id=transcript_id)
+
+    return UploadStatus(status="ok")

server/reflector/worker/app.py

@@ -1,8 +1,13 @@
+import celery
 import structlog
 from celery import Celery
 from reflector.settings import settings
 
 logger = structlog.get_logger(__name__)
+if celery.current_app is not None:
+    logger.info(f"Celery already configured ({celery.current_app})")
+    app = celery.current_app
+else:
     app = Celery(__name__)
     app.conf.broker_url = settings.CELERY_BROKER_URL
     app.conf.result_backend = settings.CELERY_RESULT_BACKEND

server/tests/test_transcripts_upload.py

@@ -0,0 +1,81 @@
+import pytest
+import asyncio
+from httpx import AsyncClient
+
+
+@pytest.fixture(scope="session")
+def celery_enable_logging():
+    return True
+
+
+@pytest.fixture(scope="session")
+def celery_config():
+    from tempfile import NamedTemporaryFile
+
+    with NamedTemporaryFile() as f:
+        yield {
+            "broker_url": "memory://",
+            "result_backend": f"db+sqlite:///{f.name}",
+        }
+
+
+@pytest.fixture(scope="session")
+def celery_includes():
+    return ["reflector.pipelines.main_live_pipeline"]
+
+
+@pytest.mark.usefixtures("setup_database")
+@pytest.mark.usefixtures("celery_app")
+@pytest.mark.usefixtures("celery_worker")
+@pytest.mark.asyncio
+async def test_transcript_upload_file(
+    tmpdir,
+    dummy_llm,
+    dummy_processors,
+    dummy_diarization,
+    dummy_storage,
+):
+    from reflector.app import app
+
+    ac = AsyncClient(app=app, base_url="http://test/v1")
+
+    # create a transcript
+    response = await ac.post("/transcripts", json={"name": "test"})
+    assert response.status_code == 200
+    assert response.json()["status"] == "idle"
+    tid = response.json()["id"]
+
+    # upload mp3
+    response = await ac.post(
+        f"/transcripts/{tid}/record/upload",
+        files={
+            "file": (
+                "test_mathieu_hello.mp3",
+                open("tests/records/test_mathieu_hello.mp3", "rb"),
+                "audio/mpeg",
+            )
+        },
+    )
+    assert response.status_code == 200
+    assert response.json()["status"] == "ok"
+
+    # wait the processing to finish
+    while True:
+        # fetch the transcript and check if it is ended
+        resp = await ac.get(f"/transcripts/{tid}")
+        assert resp.status_code == 200
+        if resp.json()["status"] in ("ended", "error"):
+            break
+        await asyncio.sleep(1)
+
+    # check the transcript is ended
+    transcript = resp.json()
+    assert transcript["status"] == "ended"
+    assert transcript["short_summary"] == "LLM SHORT SUMMARY"
+    assert transcript["title"] == "LLM TITLE"
+
+    # check topics and transcript
+    response = await ac.get(f"/transcripts/{tid}/topics")
+    assert response.status_code == 200
+    assert len(response.json()) == 1
+    assert "want to share" in response.json()[0]["transcript"]