From 59048308e49aa7fa9f492a24e1f0749dddc32027 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?=E2=80=9CNaeel=E2=80=9D?= <tazet@narod.ru>
Date: Sun, 14 Jun 2026 07:27:16 +0400
Subject: [PATCH] =?UTF-8?q?fix(llm):=20httpx=20=D1=81=20HTTP/2=20=D0=B2?=
 =?UTF-8?q?=D0=BC=D0=B5=D1=81=D1=82=D0=BE=20requests?=
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api.aillm.ru за ddos-guard — требует HTTP/2. requests (HTTP/1.1) не работал.
httpx[http2] — поддержка HTTP/2, работает с ddos-guard.
---
 requirements.txt   |  1 +
 site/llm_client.py | 20 ++++++++++++--------
 2 files changed, 13 insertions(+), 8 deletions(-)

diff --git a/requirements.txt b/requirements.txt
index dbe9f25..1c1ec7c 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -5,3 +5,4 @@ requests
 psycopg2-binary
 python-dotenv
 pdfplumber
+httpx[http2]
diff --git a/site/llm_client.py b/site/llm_client.py
index 9db5a7a..4f9aed5 100644
--- a/site/llm_client.py
+++ b/site/llm_client.py
@@ -4,13 +4,15 @@ llm_client.py — Тонкий HTTP-клиент к LLM API.
 Только отправить промпт → получить ответ. Никакой бизнес-логики.
 Бизнес-логика (промпты, парсинг ответа) → extractor.py.
 
-Использует:
+Использует httpx (HTTP/2) — api.aillm.ru за ddos-guard, требует HTTP/2.
+
+Переменные окружения:
   LLM_API_URL  — URL API (по умолчанию https://api.aillm.ru/v1/chat/completions)
   LLM_API_KEY  — ключ авторизации
 """
 
 import os
-import requests
+import httpx
 
 # ── Конфигурация ────────────────────────────────────────────────
 
@@ -55,9 +57,11 @@ def ask(prompt: str, model: str = None, max_tokens: int = 8000) -> dict:
     }
 
     try:
-        resp = requests.post(api_url, json=payload, headers=headers, timeout=120)
-        resp.raise_for_status()
-        data = resp.json()
+        # httpx с HTTP/2 — обязательно для ddos-guard
+        with httpx.Client(http2=True, timeout=120) as client:
+            resp = client.post(api_url, json=payload, headers=headers)
+            resp.raise_for_status()
+            data = resp.json()
 
         # OpenAI-совместимый формат ответа
         choice = data.get("choices", [{}])[0]
@@ -70,11 +74,11 @@ def ask(prompt: str, model: str = None, max_tokens: int = 8000) -> dict:
             "usage": data.get("usage", {}),
         }
 
-    except requests.exceptions.Timeout:
+    except httpx.TimeoutException:
         return {"error": "LLM timeout (120s)"}
-    except requests.exceptions.HTTPError as e:
+    except httpx.HTTPStatusError as e:
         return {"error": f"LLM HTTP {e.response.status_code}: {e.response.text[:500]}"}
-    except requests.exceptions.RequestException as e:
+    except httpx.RequestError as e:
         return {"error": f"LLM request failed: {e}"}
     except Exception as e:
         return {"error": f"LLM unexpected: {e}"}