from json import loads
from queue import Queue, Empty
from re import findall
from threading import Thread
from typing import Generator, Optional
from curl_cffi import requests
from fake_useragent import UserAgent
class Completion:
# experimental
part1 = '{"role":"assistant","id":"chatcmpl'
part2 = '"},"index":0,"finish_reason":null}]}}'
regex = rf'{part1}(.*){part2}'
timer = None
message_queue = Queue()
stream_completed = False
last_msg_id = None
@staticmethod
def request(prompt: str, proxy: Optional[str] = None):
headers = {
'authority': 'chatbot.theb.ai',
'content-type': 'application/json',
'origin': 'https://chatbot.theb.ai',
'user-agent': UserAgent().random,
}
proxies = {'http': 'http://' + proxy, 'https': 'http://' + proxy} if proxy else None
options = {}
if Completion.last_msg_id:
options['parentMessageId'] = Completion.last_msg_id
requests.post(
'https://chatbot.theb.ai/api/chat-process',
headers=headers,
proxies=proxies,
content_callback=Completion.handle_stream_response,
json={'prompt': prompt, 'options': options},
)
Completion.stream_completed = True
@staticmethod
def create(prompt: str, proxy: Optional[str] = None) -> Generator[str, None, None]:
Completion.stream_completed = False
Thread(target=Completion.request, args=[prompt, proxy]).start()
while not Completion.stream_completed or not Completion.message_queue.empty():
try:
message = Completion.message_queue.get(timeout=0.01)
for message in findall(Completion.regex, message):
message_json = loads(Completion.part1 + message + Completion.part2)
Completion.last_msg_id = message_json['id']
yield message_json['delta']
except Empty:
pass
@staticmethod
def handle_stream_response(response):
Completion.message_queue.put(response.decode())