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470c8a3 1f249d8 470c8a3 1f249d8 7dcb085 1f249d8 7dcb085 1f249d8 7dcb085 1f249d8 | 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 | from __future__ import annotations
import os
import json
import httpx
OPENAI_BASE = os.environ.get("OPENAI_BASE", "https://api.openai.com/v1")
OPENAI_MODEL = os.environ.get("OPENAI_MODEL", "gpt-4o-mini")
OPENAI_API_KEY = os.environ.get("OPENAI_API_KEY")
HEADERS = {
"Authorization": f"Bearer {OPENAI_API_KEY}" if OPENAI_API_KEY else "",
"Content-Type": "application/json",
}
async def openai_chat(messages, temperature: float = 0.7, max_tokens: int = 300) -> str:
"""自由回答（プレーンテキスト）"""
if not OPENAI_API_KEY:
raise RuntimeError("OPENAI_API_KEY is not set in environment variables.")
url = f"{OPENAI_BASE}/chat/completions"
payload = {
"model": OPENAI_MODEL,
"messages": messages,
"temperature": float(temperature),
"max_tokens": int(max_tokens),
}
async with httpx.AsyncClient(timeout=60) as client:
r = await client.post(url, headers=HEADERS, json=payload)
r.raise_for_status()
data = r.json()
return data["choices"][0]["message"]["content"].strip()
async def openai_chat_json(messages, temperature: float = 0.2, max_tokens: int = 1200) -> dict:
"""JSONモード（出力は厳密なJSON文字列）"""
if not OPENAI_API_KEY:
raise RuntimeError("OPENAI_API_KEY is not set in environment variables.")
url = f"{OPENAI_BASE}/chat/completions"
payload = {
"model": OPENAI_MODEL,
"messages": messages,
"temperature": float(temperature),
"max_tokens": int(max_tokens),
"response_format": {"type": "json_object"},
}
async with httpx.AsyncClient(timeout=60) as client:
r = await client.post(url, headers=HEADERS, json=payload)
r.raise_for_status()
data = r.json()
content = data["choices"][0]["message"]["content"].strip()
return json.loads(content)
def openai_judge(system: str, user: str) -> dict:
"""審査用（JSONモード）。同期呼び出し"""
if not OPENAI_API_KEY:
raise RuntimeError("OPENAI_API_KEY is not set in environment variables.")
url = f"{OPENAI_BASE}/chat/completions"
payload = {
"model": OPENAI_MODEL,
"messages": [
{"role": "system", "content": system},
{"role": "user", "content": user},
],
"response_format": {"type": "json_object"},
"temperature": 0.0,
"max_tokens": 400,
}
with httpx.Client(timeout=60) as client:
r = client.post(url, headers=HEADERS, json=payload)
r.raise_for_status()
data = r.json()
content = data["choices"][0]["message"]["content"].strip()
return json.loads(content)
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