mirror of
https://github.com/bytedance/deer-flow.git
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39a575617b
Reorganize app/gateway/ with: - common/ - lifespan management - dependencies/ - FastAPI dependency injection (db, checkpointer, repositories, stream_bridge) - services/runs/ - run execution services (facade_factory, input adapters, store operations) - registrar.py - router registration - router.py - main router setup Simplify app.py to use the new modular structure. Remove deprecated utils.py. Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>
21 lines
719 B
Python
21 lines
719 B
Python
from __future__ import annotations
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from typing import Annotated
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from fastapi import Depends, HTTPException, Request
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from langgraph.types import Checkpointer
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def get_checkpointer(request: Request) -> Checkpointer:
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"""Get checkpointer from app.state.persistence."""
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persistence = getattr(request.app.state, "persistence", None)
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if persistence is None:
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raise HTTPException(status_code=503, detail="Persistence not available")
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checkpointer = getattr(persistence, "checkpointer", None)
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if checkpointer is None:
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raise HTTPException(status_code=503, detail="Checkpointer not available")
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return checkpointer
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CurrentCheckpointer = Annotated[Checkpointer, Depends(get_checkpointer)]
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