| from __future__ import annotations |
|
|
| import json |
|
|
| from aiohttp import ClientSession |
|
|
| from ..typing import Any, AsyncGenerator |
| from .base_provider import AsyncGeneratorProvider, format_prompt, get_cookies |
|
|
|
|
| class OpenAssistant(AsyncGeneratorProvider): |
| url = "https://open-assistant.io/chat" |
| needs_auth = True |
| working = True |
| model = "OA_SFT_Llama_30B_6" |
|
|
| @classmethod |
| async def create_async_generator( |
| cls, |
| model: str, |
| messages: list[dict[str, str]], |
| proxy: str = None, |
| cookies: dict = None, |
| **kwargs: Any |
| ) -> AsyncGenerator: |
| if proxy and "://" not in proxy: |
| proxy = f"http://{proxy}" |
| if not cookies: |
| cookies = get_cookies("open-assistant.io") |
|
|
| headers = { |
| 'User-Agent': 'Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/111.0.0.0 Safari/537.36', |
| } |
| async with ClientSession( |
| cookies=cookies, |
| headers=headers |
| ) as session: |
| async with session.post("https://open-assistant.io/api/chat", proxy=proxy) as response: |
| chat_id = (await response.json())["id"] |
|
|
| data = { |
| "chat_id": chat_id, |
| "content": f"<s>[INST]\n{format_prompt(messages)}\n[/INST]", |
| "parent_id": None |
| } |
| async with session.post("https://open-assistant.io/api/chat/prompter_message", proxy=proxy, json=data) as response: |
| parent_id = (await response.json())["id"] |
|
|
| data = { |
| "chat_id": chat_id, |
| "parent_id": parent_id, |
| "model_config_name": model if model else cls.model, |
| "sampling_parameters":{ |
| "top_k": 50, |
| "top_p": None, |
| "typical_p": None, |
| "temperature": 0.35, |
| "repetition_penalty": 1.1111111111111112, |
| "max_new_tokens": 1024, |
| **kwargs |
| }, |
| "plugins":[] |
| } |
| async with session.post("https://open-assistant.io/api/chat/assistant_message", proxy=proxy, json=data) as response: |
| data = await response.json() |
| if "id" in data: |
| message_id = data["id"] |
| elif "message" in data: |
| raise RuntimeError(data["message"]) |
| else: |
| response.raise_for_status() |
| |
| params = { |
| 'chat_id': chat_id, |
| 'message_id': message_id, |
| } |
| async with session.post("https://open-assistant.io/api/chat/events", proxy=proxy, params=params) as response: |
| start = "data: " |
| async for line in response.content: |
| line = line.decode("utf-8") |
| if line and line.startswith(start): |
| line = json.loads(line[len(start):]) |
| if line["event_type"] == "token": |
| yield line["text"] |
|
|
| params = { |
| 'chat_id': chat_id, |
| } |
| async with session.delete("https://open-assistant.io/api/chat", proxy=proxy, params=params) as response: |
| response.raise_for_status() |
|
|
| @classmethod |
| @property |
| def params(cls): |
| params = [ |
| ("model", "str"), |
| ("messages", "list[dict[str, str]]"), |
| ("stream", "bool"), |
| ("proxy", "str"), |
| ] |
| param = ", ".join([": ".join(p) for p in params]) |
| return f"g4f.provider.{cls.__name__} supports: ({param})" |
|
|
