From 24345bc07bf77bdfa4bb799de62233ffdb1c5d73 Mon Sep 17 00:00:00 2001
From: Heiner Lohaus <hlohaus@users.noreply.github.com>
Date: Mon, 8 Apr 2024 23:27:54 +0200
Subject: Add DuckDuckGo Provider, Add SpeechRecognition to gui

---
 g4f/Provider/DuckDuckGo.py | 64 ++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 64 insertions(+)
 create mode 100644 g4f/Provider/DuckDuckGo.py

(limited to 'g4f/Provider/DuckDuckGo.py')

diff --git a/g4f/Provider/DuckDuckGo.py b/g4f/Provider/DuckDuckGo.py
new file mode 100644
index 00000000..5269ced3
--- /dev/null
+++ b/g4f/Provider/DuckDuckGo.py
@@ -0,0 +1,64 @@
+from __future__ import annotations
+
+import json
+import aiohttp
+
+from .base_provider import AsyncGeneratorProvider, ProviderModelMixin
+from ..typing import AsyncResult, Messages
+from ..requests.raise_for_status import raise_for_status
+
+class DuckDuckGo(AsyncGeneratorProvider, ProviderModelMixin):
+    url = "https://duckduckgo.com/duckchat"
+    working = True
+    supports_gpt_35_turbo = True
+    supports_message_history = True
+
+    default_model = "gpt-3.5-turbo-0125"
+    models = ["gpt-3.5-turbo-0125", "claude-instant-1.2"]
+    model_aliases = {"gpt-3.5-turbo": "gpt-3.5-turbo-0125"}
+
+    status_url = "https://duckduckgo.com/duckchat/v1/status"
+    chat_url = "https://duckduckgo.com/duckchat/v1/chat"
+    user_agent = 'Mozilla/5.0 (X11; Ubuntu; Linux x86_64; rv:123.0) Gecko/20100101 Firefox/123.0'
+    headers = {
+        'User-Agent': user_agent,
+        'Accept': 'text/event-stream',
+        'Accept-Language': 'de,en-US;q=0.7,en;q=0.3',
+        'Accept-Encoding': 'gzip, deflate, br',
+        'Referer': 'https://duckduckgo.com/',
+        'Content-Type': 'application/json',
+        'Origin': 'https://duckduckgo.com',
+        'Connection': 'keep-alive',
+        'Cookie': 'dcm=1',
+        'Sec-Fetch-Dest': 'empty',
+        'Sec-Fetch-Mode': 'cors',
+        'Sec-Fetch-Site': 'same-origin',
+        'Pragma': 'no-cache',
+        'TE': 'trailers'
+    }
+
+    @classmethod
+    async def create_async_generator(
+        cls,
+        model: str,
+        messages: Messages,
+        **kwargs
+    ) -> AsyncResult:
+        async with aiohttp.ClientSession(headers=cls.headers) as session:
+            async with session.get(cls.status_url, headers={"x-vqd-accept": "1"}) as response:
+                await raise_for_status(response)
+                vqd_4 = response.headers.get("x-vqd-4")
+            payload = {
+                'model': cls.get_model(model),
+                'messages': messages
+            }
+            async with session.post(cls.chat_url, json=payload, headers={"x-vqd-4": vqd_4}) as response:
+                await raise_for_status(response)
+                async for line in response.content:
+                    if line.startswith(b"data: "):
+                        chunk = line[6:]
+                        if chunk.startswith(b"[DONE]"):
+                            break
+                        data = json.loads(chunk)
+                        if "message" in data:
+                            yield data["message"]
\ No newline at end of file
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