from __future__ import annotations import time from ..typing import CreateResult, Messages from .base_provider import BaseProvider from .helper import format_prompt from .webdriver import WebDriver, WebDriverSession class PerplexityAi(BaseProvider): url = "https://www.perplexity.ai" working = True supports_gpt_35_turbo = True supports_stream = True @classmethod def create_completion( cls, model: str, messages: Messages, stream: bool, proxy: str = None, timeout: int = 120, webdriver: WebDriver = None, virtual_display: bool = True, copilot: bool = False, **kwargs ) -> CreateResult: with WebDriverSession(webdriver, "", virtual_display=virtual_display, proxy=proxy) as driver: from selenium.webdriver.common.by import By from selenium.webdriver.support.ui import WebDriverWait from selenium.webdriver.support import expected_conditions as EC from selenium.webdriver.common.keys import Keys prompt = format_prompt(messages) driver.get(f"{cls.url}/") wait = WebDriverWait(driver, timeout) # Is page loaded? wait.until(EC.visibility_of_element_located((By.CSS_SELECTOR, "textarea[placeholder='Ask anything...']"))) # Register WebSocket hook script = """ window._message = window._last_message = ""; window._message_finished = false; const _socket_send = WebSocket.prototype.send; WebSocket.prototype.send = function(...args) { if (!window.socket_onmessage) { window._socket_onmessage = this; this.addEventListener("message", (event) => { if (event.data.startsWith("42")) { let data = JSON.parse(event.data.substring(2)); if (data[0] =="query_progress" || data[0] == "query_answered") { let content = JSON.parse(data[1]["text"]); if (data[1]["mode"] == "copilot") { content = content[content.length-1]["content"]["answer"]; content = JSON.parse(content); } window._message = content["answer"]; if (!window._message_finished) { window._message_finished = data[0] == "query_answered"; } } } }); } return _socket_send.call(this, ...args); }; """ driver.execute_script(script) if copilot: try: # Check for account driver.find_element(By.CSS_SELECTOR, "img[alt='User avatar']") # Enable copilot driver.find_element(By.CSS_SELECTOR, "button[data-testid='copilot-toggle']").click() except: raise RuntimeError("You need a account for copilot") # Submit prompt driver.find_element(By.CSS_SELECTOR, "textarea[placeholder='Ask anything...']").send_keys(prompt) driver.find_element(By.CSS_SELECTOR, "textarea[placeholder='Ask anything...']").send_keys(Keys.ENTER) # Stream response script = """ if(window._message && window._message != window._last_message) { try { return window._message.substring(window._last_message.length); } finally { window._last_message = window._message; } } else if(window._message_finished) { return null; } else { return ''; } """ while True: chunk = driver.execute_script(script) if chunk: yield chunk elif chunk != "": break else: time.sleep(0.1)