Co-Authored-By: Claude Opus 4.8 <noreply@anthropic.com> Claude-Session: https://claude.ai/code/session_016DvdRZkyCy9NJpHYDdPqmS
33 lines
1.1 KiB
Python
33 lines
1.1 KiB
Python
"""Incremental, crash-safe JSON output. Each agent's output is (over)written atomically
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after every research round and again at finalize, so a hang or power loss mid-run still
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leaves the best-so-far result on disk under state/output/<trade_date>/<persona>.json.
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"""
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from __future__ import annotations
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import os
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from pathlib import Path
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from agents.schemas import AgentOutput, RunManifest
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def _atomic_write(path: Path, text: str) -> None:
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tmp = path.with_suffix(path.suffix + ".tmp")
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tmp.write_text(text)
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os.replace(tmp, path) # atomic on the same filesystem
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class Checkpointer:
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def __init__(self, output_dir: Path, trade_date: str):
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self.dir = Path(output_dir) / trade_date
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self.dir.mkdir(parents=True, exist_ok=True)
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def agent_path(self, persona_id: str) -> Path:
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return self.dir / f"{persona_id}.json"
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def write(self, output: AgentOutput) -> None:
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_atomic_write(self.agent_path(output.persona_id), output.model_dump_json(indent=2))
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def write_manifest(self, manifest: RunManifest) -> None:
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_atomic_write(self.dir / "_manifest.json", manifest.model_dump_json(indent=2))
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