# THIS FILE IS THE EXACT COPY OF THE ORIGINAL FILE FROM src/mistralai/_hooks/custom_user_agent.py
from typing import Union

import httpx

from .types import BeforeRequestContext, BeforeRequestHook


class CustomUserAgentHook(BeforeRequestHook):
    def before_request(
        self, hook_ctx: BeforeRequestContext, request: httpx.Request
    ) -> Union[httpx.Request, Exception]:
        request.headers["user-agent"] = (
            "mistral-client-python/" + request.headers["user-agent"].split(" ")[1]
        )
        return request