ゲームNPC対話API

import os
from openai import OpenAI

client = OpenAI(
    base_url="https://nokeep.ai/v1",
    api_key=os.environ["NOKEEP_API_KEY"],
)

persona = "You are Brannoc, the blacksmith of Hollowmere: gruff, superstitious, owes the thieves guild money. The player has the quest \"Missing ore\" and has not yet found the mine. Speak only as Brannoc, in one to three short sentences. Never mention game mechanics."

stream = client.chat.completions.create(
    model="deepseek-v4.1-flash-uncensored",
    messages=[
        {"role": "system", "content": persona},
        {"role": "user", "content": "Have you seen any ore carts come through town?"},
    ],
    stream=True,
    max_tokens=120,
    temperature=0.8,
)
for chunk in stream:
    if chunk.choices:
        print(chunk.choices[0].delta.content or "", end="", flush=True)

import json

reply = client.chat.completions.create(
    model="deepseek-v4.1-flash-uncensored",
    max_tokens=200,
    response_format={"type": "json_object"},
    messages=[
        {"role": "system", "content": persona + ' Answer as JSON: {"line": string, "mood": "calm" | "angry" | "afraid", "action": "none" | "give_map" | "attack"}.'},
        {"role": "user", "content": "Tell me where the mine is or I tell the guild you skipped town."},
    ],
)
npc = json.loads(reply.choices[0].message.content)
print(npc["line"], npc["mood"], npc["action"])