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- Scaffold full-stack : backend FastAPI + frontend React/Vite/TS/Tailwind - Design system fidèle au thème (palette ambre/café, JetBrains Mono, tokens Tailwind) - Layout 3 panneaux : activity bar, historique/fichiers, chat, aperçu - Connexion Ollama : statut live, liste des modèles, pull avec progression SSE, sélecteur de modèle - Vue Configuration (Frame 2) : modèles, génération, outils, invite système - Dockerfile multi-stage + docker-compose (Ollama externe par défaut, profil ollama optionnel) Co-Authored-By: Claude Opus 4.8 <noreply@anthropic.com> Claude-Session: https://claude.ai/code/session_01SVay7z3y7q2gEe54ByAE6N
74 lines
2.5 KiB
Python
74 lines
2.5 KiB
Python
"""Client HTTP léger pour l'API Ollama.
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On utilise httpx directement (plutôt que le SDK) pour garder le contrôle
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total sur le streaming et n'embarquer aucune dépendance superflue.
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"""
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from __future__ import annotations
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import json
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from typing import AsyncIterator
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import httpx
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from .config import settings
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class OllamaClient:
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"""Enveloppe asynchrone autour de l'API REST d'Ollama."""
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def __init__(self, host: str | None = None) -> None:
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self.host = (host or settings.ollama_host).rstrip("/")
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async def ping(self) -> dict:
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"""Vérifie la connexion et renvoie la version d'Ollama."""
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async with httpx.AsyncClient(timeout=5.0) as client:
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resp = await client.get(f"{self.host}/api/version")
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resp.raise_for_status()
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return resp.json()
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async def list_models(self) -> list[dict]:
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"""Liste les modèles installés localement (/api/tags)."""
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async with httpx.AsyncClient(timeout=10.0) as client:
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resp = await client.get(f"{self.host}/api/tags")
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resp.raise_for_status()
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return resp.json().get("models", [])
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async def pull_model(self, name: str) -> AsyncIterator[dict]:
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"""Télécharge un modèle en streamant la progression (/api/pull)."""
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async with httpx.AsyncClient(timeout=None) as client:
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async with client.stream(
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"POST", f"{self.host}/api/pull", json={"name": name}
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) as resp:
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resp.raise_for_status()
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async for line in resp.aiter_lines():
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if line.strip():
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yield json.loads(line)
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async def chat(
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self,
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model: str,
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messages: list[dict],
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*,
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tools: list[dict] | None = None,
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options: dict | None = None,
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stream: bool = True,
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) -> AsyncIterator[dict]:
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"""Conversation avec le modèle, en streaming token par token."""
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payload: dict = {"model": model, "messages": messages, "stream": stream}
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if tools:
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payload["tools"] = tools
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if options:
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payload["options"] = options
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async with httpx.AsyncClient(timeout=None) as client:
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async with client.stream(
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"POST", f"{self.host}/api/chat", json=payload
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) as resp:
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resp.raise_for_status()
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async for line in resp.aiter_lines():
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if line.strip():
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yield json.loads(line)
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ollama = OllamaClient()
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