- Auth/roles (no self-reg), admin user provision, JWT - Analyze: sales kit + initial pain-fit from form/upload - Persona generator: 15 personas (5/tier) w/ pain variety, negotiation, init mode, channel, latent/revealable, wrong_text special - Chat simulator: per-mode initiation, one-shot, hidden signals, judge-LLM debrief+coaching - Trainee loop: win/lose board, weak-areas, user-generated personas - Admin analytics; EN+TH Vue SPA served by Flask - Deploy: Dockerfile, docker-compose, README, eng-log + HANDOFF - Tests (mock LLM): m0/m1/routes/e2e all pass
132 lines
4.0 KiB
Python
132 lines
4.0 KiB
Python
"""OpenAI-compatible LLM client (OpenAI / DeepSeek / custom base URL).
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Mirrors the MiroFish provider-agnostic pattern. Credentials live in .env only.
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"""
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from __future__ import annotations
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import json
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import re
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from typing import Any
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from openai import OpenAI
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from .config import Config
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class LLMError(Exception):
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pass
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def _strip_thinking_trace(text: str) -> str:
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"""Remove ReACT-style chain-of-thought / fences, keep the final JSON text."""
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for fence in ("```json", "```"):
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idx = text.rfind(fence)
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if idx != -1:
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after = text[idx:].lstrip()
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lang_len = after.find("\n")
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body = after[lang_len:] if lang_len != -1 else after
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end = body.rfind("```")
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if end != -1:
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body = body[:end]
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body = body.strip()
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if body:
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return body
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for marker in ("\n\n[", "\n\n{"):
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idx = text.rfind(marker)
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if idx != -1:
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candidate = text[idx:].strip()
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if candidate and candidate[0] in "{[":
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return candidate
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return text
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class LLMClient:
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def __init__(
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self,
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*,
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base_url: str | None = None,
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api_key: str | None = None,
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model: str | None = None,
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) -> None:
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self.base_url = base_url or Config.LLM_BASE_URL
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self.api_key = api_key or Config.LLM_API_KEY
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self.model = model or Config.LLM_MODEL
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if not self.api_key:
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raise LLMError("LLM_API_KEY is not configured in .env")
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if not self.base_url:
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raise LLMError("LLM_BASE_URL is not configured (unknown provider)")
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self.client = OpenAI(base_url=self.base_url, api_key=self.api_key)
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def complete(
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self,
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system_prompt: str,
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user_prompt: str,
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*,
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temperature: float = 0.5,
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max_tokens: int = 3000,
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) -> str:
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try:
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resp = self.client.chat.completions.create(
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model=self.model,
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temperature=temperature,
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max_tokens=max_tokens,
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messages=[
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{"role": "system", "content": system_prompt},
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{"role": "user", "content": user_prompt},
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],
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)
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except Exception as exc: # network/auth/provider
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raise LLMError(f"LLM call failed: {exc}") from exc
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text = (resp.choices[0].message.content or "").strip()
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if not text:
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raise LLMError("LLM returned empty response")
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return text
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def complete_json(
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self,
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system_prompt: str,
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user_prompt: str,
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*,
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temperature: float = 0.2,
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max_tokens: int = 6000,
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) -> dict[str, Any]:
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text = self.complete(
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system_prompt,
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user_prompt,
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temperature=temperature,
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max_tokens=max_tokens,
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)
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text = _strip_thinking_trace(text)
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try:
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return json.loads(text)
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except json.JSONDecodeError as exc:
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# Last-ditch: strip leading text before the first { or [
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match = re.search(r"[{\[].*[}\]]", text, re.DOTALL)
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if match:
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try:
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return json.loads(match.group(0))
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except json.JSONDecodeError:
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pass
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raise LLMError(f"LLM returned invalid JSON: {exc}") from exc
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def complete_conversation(
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self,
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messages: list[dict[str, str]],
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*,
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temperature: float = 0.6,
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max_tokens: int = 1200,
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) -> str:
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try:
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resp = self.client.chat.completions.create(
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model=self.model,
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temperature=temperature,
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max_tokens=max_tokens,
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messages=messages,
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)
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except Exception as exc:
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raise LLMError(f"LLM call failed: {exc}") from exc
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text = (resp.choices[0].message.content or "").strip()
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if not text:
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raise LLMError("LLM returned empty response")
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return text
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