feat: openai proxying

.env.example

@@ -8,7 +8,7 @@ API_BASE_URL=https://api.openai.com/v1
 API_TOKEN=sk-replace-me
 MODEL=gpt-4o-mini
 
-# Optional proxy used by aiogram to reach Telegram API.
+# Optional proxy used for both Telegram API and OpenAI-compatible API.
 # Supports HTTP and SOCKS URLs when aiohttp-socks is installed.
 # TELEGRAM_PROXY=socks5://user:pass@127.0.0.1:1080
 TELEGRAM_PROXY=

README.md

@@ -5,7 +5,7 @@ Minimal aiogram bot that forwards whitelisted Telegram users' text messages to a
 ## Features
 
 - Configurable `API_BASE_URL` and `API_TOKEN`
-- Optional proxy for aiogram Telegram API connections
+- Optional proxy for Telegram API and OpenAI-compatible API connections
 - Telegram typing animation while the model response is streaming
 - Required users whitelist
 - Persistent per-user context in SQLite
@@ -61,7 +61,7 @@ python bot.py
 
 ## Proxy
 
-Set `TELEGRAM_PROXY` in `.env` to route aiogram traffic through a proxy:
+Set `TELEGRAM_PROXY` in `.env` to route both Telegram API and OpenAI-compatible API traffic through a proxy:
 
 ```dotenv
 TELEGRAM_PROXY=socks5://user:pass@127.0.0.1:1080

bot.py

@@ -14,6 +14,7 @@ from aiogram.exceptions import TelegramBadRequest
 from aiogram.filters import Command, CommandStart
 from aiogram.types import Message
 from dotenv import load_dotenv
+from httpx import AsyncClient as HttpxAsyncClient
 from openai import APIConnectionError, APIError, APITimeoutError, AsyncOpenAI, NotFoundError, RateLimitError
 
 
@@ -136,11 +137,13 @@ def load_settings() -> Settings:
 
 
 settings = load_settings()
+http_client = HttpxAsyncClient(proxy=settings.telegram_proxy) if settings.telegram_proxy else None
 client = AsyncOpenAI(
     api_key=settings.api_token,
     base_url=settings.api_base_url,
     timeout=settings.api_timeout_seconds,
     max_retries=settings.api_max_retries,
+    http_client=http_client,
 )
 user_locks: dict[int, asyncio.Lock] = {}
 pending_user_messages: dict[int, list[str]] = {}

requirements.txt

@@ -1,4 +1,5 @@
 aiogram==3.13.1
 aiohttp-socks==0.9.0
+httpx[socks]==0.27.0
 openai==1.57.0
 python-dotenv==1.0.1