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from __future__ import annotations |
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import json |
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import time |
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import base64 |
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from curl_cffi.requests import AsyncSession |
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from .base_provider import AsyncProvider, format_prompt |
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class PerplexityAi(AsyncProvider): |
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url = "https://www.perplexity.ai" |
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working = True |
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supports_gpt_35_turbo = True |
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_sources = [] |
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@classmethod |
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async def create_async( |
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cls, |
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model: str, |
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messages: list[dict[str, str]], |
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proxy: str = None, |
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**kwargs |
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) -> str: |
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url = cls.url + "/socket.io/?EIO=4&transport=polling" |
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async with AsyncSession(proxies={"https": proxy}, impersonate="chrome107") as session: |
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url_session = "https://www.perplexity.ai/api/auth/session" |
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response = await session.get(url_session) |
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response = await session.get(url, params={"t": timestamp()}) |
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response.raise_for_status() |
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sid = json.loads(response.text[1:])["sid"] |
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data = '40{"jwt":"anonymous-ask-user"}' |
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response = await session.post(url, params={"t": timestamp(), "sid": sid}, data=data) |
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response.raise_for_status() |
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data = "424" + json.dumps([ |
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"perplexity_ask", |
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format_prompt(messages), |
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{ |
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"version":"2.1", |
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"source":"default", |
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"language":"en", |
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"timezone": time.tzname[0], |
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"search_focus":"internet", |
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"mode":"concise" |
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} |
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]) |
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response = await session.post(url, params={"t": timestamp(), "sid": sid}, data=data) |
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response.raise_for_status() |
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while True: |
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response = await session.get(url, params={"t": timestamp(), "sid": sid}) |
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response.raise_for_status() |
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for line in response.text.splitlines(): |
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if line.startswith("434"): |
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result = json.loads(json.loads(line[3:])[0]["text"]) |
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cls._sources = [{ |
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"name": source["name"], |
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"url": source["url"], |
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"snippet": source["snippet"] |
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} for source in result["web_results"]] |
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return result["answer"] |
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@classmethod |
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def get_sources(cls): |
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return cls._sources |
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@classmethod |
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@property |
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def params(cls): |
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params = [ |
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("model", "str"), |
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("messages", "list[dict[str, str]]"), |
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("stream", "bool"), |
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("proxy", "str"), |
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] |
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param = ", ".join([": ".join(p) for p in params]) |
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return f"g4f.provider.{cls.__name__} supports: ({param})" |
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def timestamp() -> str: |
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return base64.urlsafe_b64encode(int(time.time()-1407782612).to_bytes(4, 'big')).decode() |
