gpt4free/g4f/Provider/H2o.py

import json
import uuid

import requests

from ..typing import Any, CreateResult
from .base_provider import BaseProvider


class H2o(BaseProvider):
    url = "https://gpt-gm.h2o.ai"
    working = True
    supports_stream = True
    model = "h2oai/h2ogpt-gm-oasst1-en-2048-falcon-40b-v1"

    @staticmethod
    def create_completion(
        model: str,
        messages: list[dict[str, str]],
        stream: bool,
        **kwargs: Any,
    ) -> CreateResult:
        conversation = ""
        for message in messages:
            conversation += "%s: %s\n" % (message["role"], message["content"])
        conversation += "assistant: "

        session = requests.Session()

        headers = {"Referer": "https://gpt-gm.h2o.ai/r/jGfKSwU"}
        data = {
            "ethicsModalAccepted": "true",
            "shareConversationsWithModelAuthors": "true",
            "ethicsModalAcceptedAt": "",
            "activeModel": model,
            "searchEnabled": "true",
        }
        session.post(
            "https://gpt-gm.h2o.ai/settings",
            headers=headers,
            data=data,
        )

        headers = {"Referer": "https://gpt-gm.h2o.ai/"}
        data = {"model": model}

        response = session.post(
            "https://gpt-gm.h2o.ai/conversation",
            headers=headers,
            json=data,
        ).json()
        if "conversationId" not in response:
            return

        data = {
            "inputs": conversation,
            "parameters": {
                "temperature": kwargs.get("temperature", 0.4),
                "truncate": kwargs.get("truncate", 2048),
                "max_new_tokens": kwargs.get("max_new_tokens", 1024),
                "do_sample": kwargs.get("do_sample", True),
                "repetition_penalty": kwargs.get("repetition_penalty", 1.2),
                "return_full_text": kwargs.get("return_full_text", False),
            },
            "stream": True,
            "options": {
                "id": kwargs.get("id", str(uuid.uuid4())),
                "response_id": kwargs.get("response_id", str(uuid.uuid4())),
                "is_retry": False,
                "use_cache": False,
                "web_search_id": "",
            },
        }

        response = session.post(
            f"https://gpt-gm.h2o.ai/conversation/{response['conversationId']}",
            headers=headers,
            json=data,
        )
        response.raise_for_status()
        response.encoding = "utf-8"
        generated_text = response.text.replace("\n", "").split("data:")
        generated_text = json.loads(generated_text[-1])

        yield generated_text["generated_text"]

    @classmethod
    @property
    def params(cls):
        params = [
            ("model", "str"),
            ("messages", "list[dict[str, str]]"),
            ("stream", "bool"),
            ("temperature", "float"),
            ("truncate", "int"),
            ("max_new_tokens", "int"),
            ("do_sample", "bool"),
            ("repetition_penalty", "float"),
            ("return_full_text", "bool"),
        ]
        param = ", ".join([": ".join(p) for p in params])
        return f"g4f.provider.{cls.__name__} supports: ({param})"