mirror of https://github.com/xtekky/gpt4free.git
98 lines
3.8 KiB
Python
98 lines
3.8 KiB
Python
from __future__ import annotations
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import random
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import json
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from aiohttp import ClientSession
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from ..typing import AsyncResult, Messages
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from .base_provider import AsyncGeneratorProvider
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API_URL = "https://labs-api.perplexity.ai/socket.io/"
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WS_URL = "wss://labs-api.perplexity.ai/socket.io/"
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class PerplexityLabs(AsyncGeneratorProvider):
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url = "https://labs.perplexity.ai"
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working = True
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supports_gpt_35_turbo = True
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models = ['pplx-7b-online', 'pplx-70b-online', 'pplx-7b-chat', 'pplx-70b-chat', 'mistral-7b-instruct',
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'codellama-34b-instruct', 'llama-2-70b-chat', 'llava-7b-chat', 'mixtral-8x7b-instruct',
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'mistral-medium', 'related']
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default_model = 'pplx-70b-online'
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model_map = {
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"mistralai/Mistral-7B-Instruct-v0.1": "mistral-7b-instruct",
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"meta-llama/Llama-2-70b-chat-hf": "llama-2-70b-chat",
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"mistralai/Mixtral-8x7B-Instruct-v0.1": "mixtral-8x7b-instruct",
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"codellama/CodeLlama-34b-Instruct-hf": "codellama-34b-instruct"
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}
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@classmethod
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async def create_async_generator(
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cls,
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model: str,
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messages: Messages,
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proxy: str = None,
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**kwargs
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) -> AsyncResult:
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if not model:
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model = cls.default_model
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elif model in cls.model_map:
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model = cls.model_map[model]
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elif model not in cls.models:
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raise ValueError(f"Model is not supported: {model}")
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headers = {
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"User-Agent": "Mozilla/5.0 (X11; Ubuntu; Linux x86_64; rv:121.0) Gecko/20100101 Firefox/121.0",
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"Accept": "*/*",
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"Accept-Language": "de,en-US;q=0.7,en;q=0.3",
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"Accept-Encoding": "gzip, deflate, br",
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"Origin": cls.url,
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"Connection": "keep-alive",
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"Referer": f"{cls.url}/",
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"Sec-Fetch-Dest": "empty",
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"Sec-Fetch-Mode": "cors",
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"Sec-Fetch-Site": "same-site",
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"TE": "trailers",
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}
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async with ClientSession(headers=headers) as session:
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t = format(random.getrandbits(32), '08x')
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async with session.get(
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f"{API_URL}?EIO=4&transport=polling&t={t}",
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proxy=proxy
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) as response:
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text = await response.text()
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sid = json.loads(text[1:])['sid']
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post_data = '40{"jwt":"anonymous-ask-user"}'
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async with session.post(
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f'{API_URL}?EIO=4&transport=polling&t={t}&sid={sid}',
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data=post_data,
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proxy=proxy
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) as response:
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assert await response.text() == 'OK'
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async with session.ws_connect(f'{WS_URL}?EIO=4&transport=websocket&sid={sid}', autoping=False) as ws:
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await ws.send_str('2probe')
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assert(await ws.receive_str() == '3probe')
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await ws.send_str('5')
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assert(await ws.receive_str())
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assert(await ws.receive_str() == '6')
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message_data = {
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'version': '2.2',
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'source': 'default',
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'model': model,
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'messages': messages
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}
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await ws.send_str('42' + json.dumps(['perplexity_playground', message_data]))
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last_message = 0
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while True:
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message = await ws.receive_str()
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if message == '2':
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await ws.send_str('3')
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continue
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try:
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data = json.loads(message[2:])[1]
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yield data["output"][last_message:]
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last_message = len(data["output"])
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if data["final"]:
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break
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except:
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raise RuntimeError(f"Message: {message}") |