gpt4free/g4f/Provider/GetGpt.py
2023-08-14 11:46:32 +09:00

88 lines
2.7 KiB
Python

import json
import os
import uuid
import requests
from Crypto.Cipher import AES
from ..typing import Any, CreateResult
from .base_provider import BaseProvider
class GetGpt(BaseProvider):
url = "https://chat.getgpt.world/"
supports_stream = True
working = True
supports_gpt_35_turbo = True
@staticmethod
def create_completion(
model: str,
messages: list[dict[str, str]],
stream: bool,
**kwargs: Any,
) -> CreateResult:
headers = {
"Content-Type": "application/json",
"Referer": "https://chat.getgpt.world/",
"user-agent": "Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/114.0.0.0 Safari/537.36",
}
data = json.dumps(
{
"messages": messages,
"frequency_penalty": kwargs.get("frequency_penalty", 0),
"max_tokens": kwargs.get("max_tokens", 4000),
"model": "gpt-3.5-turbo",
"presence_penalty": kwargs.get("presence_penalty", 0),
"temperature": kwargs.get("temperature", 1),
"top_p": kwargs.get("top_p", 1),
"stream": True,
"uuid": str(uuid.uuid4()),
}
)
res = requests.post(
"https://chat.getgpt.world/api/chat/stream",
headers=headers,
json={"signature": _encrypt(data)},
stream=True,
)
res.raise_for_status()
for line in res.iter_lines():
if b"content" in line:
line_json = json.loads(line.decode("utf-8").split("data: ")[1])
yield (line_json["choices"][0]["delta"]["content"])
@classmethod
@property
def params(cls):
params = [
("model", "str"),
("messages", "list[dict[str, str]]"),
("stream", "bool"),
("temperature", "float"),
("presence_penalty", "int"),
("frequency_penalty", "int"),
("top_p", "int"),
("max_tokens", "int"),
]
param = ", ".join([": ".join(p) for p in params])
return f"g4f.provider.{cls.__name__} supports: ({param})"
def _encrypt(e: str):
t = os.urandom(8).hex().encode("utf-8")
n = os.urandom(8).hex().encode("utf-8")
r = e.encode("utf-8")
cipher = AES.new(t, AES.MODE_CBC, n)
ciphertext = cipher.encrypt(_pad_data(r))
return ciphertext.hex() + t.decode("utf-8") + n.decode("utf-8")
def _pad_data(data: bytes) -> bytes:
block_size = AES.block_size
padding_size = block_size - len(data) % block_size
padding = bytes([padding_size] * padding_size)
return data + padding