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-rw-r--r--g4f/Provider/PerplexityAi.py120
1 files changed, 120 insertions, 0 deletions
diff --git a/g4f/Provider/PerplexityAi.py b/g4f/Provider/PerplexityAi.py
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+++ b/g4f/Provider/PerplexityAi.py
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+from __future__ import annotations
+
+import time
+
+from ..typing import CreateResult, Messages
+from .base_provider import BaseProvider
+from .helper import WebDriver, format_prompt, get_browser
+
+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,
+ browser: WebDriver = None,
+ copilot: bool = False,
+ hidden_display: bool = True,
+ **kwargs
+ ) -> CreateResult:
+ if browser:
+ driver = browser
+ else:
+ if hidden_display:
+ driver, display = get_browser("", True, proxy)
+ else:
+ driver = get_browser("", False, proxy)
+
+ from selenium.webdriver.common.by import By
+ from selenium.webdriver.support.ui import WebDriverWait
+ from selenium.webdriver.support import expected_conditions as EC
+
+ prompt = format_prompt(messages)
+
+ driver.get(f"{cls.url}/")
+ wait = WebDriverWait(driver, timeout)
+
+ # Page loaded?
+ wait.until(EC.visibility_of_element_located((By.CSS_SELECTOR, "textarea[placeholder='Ask anything...']")))
+
+ # Add 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"];
+ window._message_finished = data[0] == "query_answered";
+ window._web_results = content["web_results"];
+ }
+ }
+ });
+ }
+ return _socket_send.call(this, ...args);
+};
+"""
+ driver.execute_script(script)
+
+ if copilot:
+ try:
+ # Check 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("For copilot you needs a account")
+
+ # Enter question
+ driver.find_element(By.CSS_SELECTOR, "textarea[placeholder='Ask anything...']").send_keys(prompt)
+ # Submit question
+ driver.find_element(By.CSS_SELECTOR, "button.bg-super svg[data-icon='arrow-right']").click()
+
+ try:
+ # Yield 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)
+ finally:
+ driver.close()
+ if not browser:
+ time.sleep(0.1)
+ driver.quit()
+ if hidden_display:
+ display.stop() \ No newline at end of file