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import re
import requests
from uuid import uuid4
import json
from typing import Any, AsyncGenerator, Dict, Generator
import os
from dotenv import load_dotenv
load_dotenv()
class v2:
def __init__(
self,
timeout: int = 100,
proxies: dict = {},
):
self.session = requests.Session()
self.chat_endpoint = os.getenv("v2")
self.stream_chunk_size = 64
self.timeout = timeout
self.last_response = {}
self.headers = {
"accept": "*/*",
"accept-encoding": "gzip, deflate, br, zstd",
"accept-language": "en-US,en;q=0.9,en-IN;q=0.8",
"content-type": "application/json",
}
self.session.headers.update(self.headers)
self.session.proxies = proxies
def ask(
self,
prompt: str,
stream: bool = False,
raw: bool = False,
) -> Generator[Dict[str, Any], None, None]:
conversation_prompt = f"Tell me everything about {prompt}"
self.session.headers.update(self.headers)
payload = {
"query": conversation_prompt,
"search_uuid": uuid4().hex,
"lang": "",
"agent_lang": "en",
"search_options": {
"langcode": "en-US"
},
"search_video": True,
"contexts_from": "google"
}
response = self.session.post(
self.chat_endpoint, json=payload, stream=True, timeout=self.timeout
)
if not response.ok:
raise Exception(
f"Failed to generate response - ({response.status_code}, {response.reason}) - {response.text}"
)
streaming_text = ""
for line in response.iter_lines(decode_unicode=True):
if line.startswith('data:'):
try:
data = json.loads(line[5:].strip())
if data['type'] == 'answer' and 'text' in data['data']:
new_text = data['data']['text']
if len(new_text) > len(streaming_text):
delta = new_text[len(streaming_text):]
streaming_text = new_text
resp = dict(text=delta)
self.last_response.update(dict(text=streaming_text))
yield line if raw else resp
except json.JSONDecodeError:
pass
def chat(
self,
prompt: str,
stream: bool = False,
) -> Generator[str, None, None]:
for response in self.ask(prompt, True):
yield self.format_text(self.get_message(response))
yield "[DONE]"
def get_message(self, response: dict) -> str:
assert isinstance(response, dict), "Response should be of dict data-type only"
if "text" in response:
text = re.sub(r'\[\[\d+\]\]', '', response["text"])
return text
else:
return ""
def format_text(self, text: str) -> str:
# Convert *text* to <i>text</i> for italic
text = re.sub(r'\*(.*?)\*', r'<i>\1</i>', text)
return text |