# retoor <retoor@molodetz.nl>
from __future__ import annotations
import logging
import time
import httpx
from devplacepy import stealth
from devplacepy.config import INTERNAL_GATEWAY_URL, INTERNAL_MODEL
logger = logging.getLogger(__name__)
CHAT_TIMEOUT_SECONDS = 120.0
DEFAULT_MAX_TOKENS = 1200
_gateway_client: httpx.AsyncClient | None = None
def gateway_client() -> httpx.AsyncClient:
global _gateway_client
if _gateway_client is None or _gateway_client.is_closed:
_gateway_client = stealth.stealth_async_client(timeout=CHAT_TIMEOUT_SECONDS)
return _gateway_client
async def request_completion(
messages: list[dict],
api_key: str,
*,
gateway_url: str = INTERNAL_GATEWAY_URL,
model: str = INTERNAL_MODEL,
max_tokens: int = DEFAULT_MAX_TOKENS,
temperature: float = 0.2,
timeout: float = CHAT_TIMEOUT_SECONDS,
) -> tuple[str, dict, int]:
payload = {
"model": model,
"messages": messages,
"max_tokens": max_tokens,
"temperature": temperature,
}
headers = {
"Authorization": f"Bearer {api_key}",
"Content-Type": "application/json",
"X-App-Reference": "devplace-deepsearch-v-1-0-0",
}
start: float = time.monotonic()
response = await gateway_client().post(
gateway_url, json=payload, headers=headers, timeout=timeout
)
elapsed_ms: int = int((time.monotonic() - start) * 1000)
if response.status_code >= 400:
raise RuntimeError(f"chat gateway returned {response.status_code}")
data: dict = response.json()
return data, data.get("usage") or {}, elapsed_ms
async def complete_chat(
messages: list[dict],
api_key: str,
*,
gateway_url: str = INTERNAL_GATEWAY_URL,
model: str = INTERNAL_MODEL,
max_tokens: int = DEFAULT_MAX_TOKENS,
temperature: float = 0.2,
) -> str:
data, _usage, _elapsed_ms = await request_completion(
messages,
api_key,
gateway_url=gateway_url,
model=model,
max_tokens=max_tokens,
temperature=temperature,
)
choices = data.get("choices") or []
if not choices:
raise RuntimeError("chat gateway returned no choices")
return (choices[0].get("message", {}).get("content") or "").strip()