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-rw-r--r--g4f/Provider/DDG.py108
1 files changed, 108 insertions, 0 deletions
diff --git a/g4f/Provider/DDG.py b/g4f/Provider/DDG.py
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+++ b/g4f/Provider/DDG.py
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+from __future__ import annotations
+
+import json
+import aiohttp
+from aiohttp import ClientSession
+
+from ..typing import AsyncResult, Messages
+from .base_provider import AsyncGeneratorProvider, ProviderModelMixin
+from .helper import format_prompt
+
+
+class DDG(AsyncGeneratorProvider, ProviderModelMixin):
+ url = "https://duckduckgo.com"
+ api_endpoint = "https://duckduckgo.com/duckchat/v1/chat"
+ working = True
+ supports_stream = True
+ supports_system_message = True
+ supports_message_history = True
+
+ default_model = "gpt-4o-mini"
+ models = [
+ "gpt-4o-mini",
+ "claude-3-haiku-20240307",
+ "meta-llama/Meta-Llama-3.1-70B-Instruct-Turbo",
+ "mistralai/Mixtral-8x7B-Instruct-v0.1"
+ ]
+ model_aliases = {
+ "claude-3-haiku": "claude-3-haiku-20240307",
+ "llama-3.1-70b": "meta-llama/Meta-Llama-3.1-70B-Instruct-Turbo",
+ "mixtral-8x7b": "mistralai/Mixtral-8x7B-Instruct-v0.1"
+ }
+
+ @classmethod
+ def get_model(cls, model: str) -> str:
+ return cls.model_aliases.get(model, model) if model in cls.model_aliases else cls.default_model
+
+ @classmethod
+ async def get_vqd(cls):
+ status_url = "https://duckduckgo.com/duckchat/v1/status"
+
+ headers = {
+ 'User-Agent': 'Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/128.0.0.0 Safari/537.36',
+ 'Accept': 'text/event-stream',
+ 'x-vqd-accept': '1'
+ }
+
+ async with aiohttp.ClientSession() as session:
+ try:
+ async with session.get(status_url, headers=headers) as response:
+ if response.status == 200:
+ return response.headers.get("x-vqd-4")
+ else:
+ print(f"Error: Status code {response.status}")
+ return None
+ except Exception as e:
+ print(f"Error getting VQD: {e}")
+ return None
+
+ @classmethod
+ async def create_async_generator(
+ cls,
+ model: str,
+ messages: Messages,
+ conversation: dict = None,
+ proxy: str = None,
+ **kwargs
+ ) -> AsyncResult:
+ model = cls.get_model(model)
+
+ headers = {
+ 'accept': 'text/event-stream',
+ 'content-type': 'application/json',
+ 'user-agent': 'Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/128.0.0.0 Safari/537.36',
+ }
+
+ vqd = conversation.get('vqd') if conversation else await cls.get_vqd()
+ if not vqd:
+ raise Exception("Failed to obtain VQD token")
+
+ headers['x-vqd-4'] = vqd
+
+ if conversation:
+ message_history = conversation.get('messages', [])
+ message_history.append({"role": "user", "content": format_prompt(messages)})
+ else:
+ message_history = [{"role": "user", "content": format_prompt(messages)}]
+
+ async with ClientSession(headers=headers) as session:
+ data = {
+ "model": model,
+ "messages": message_history
+ }
+
+ async with session.post(cls.api_endpoint, json=data, proxy=proxy) as response:
+ response.raise_for_status()
+ async for line in response.content:
+ if line:
+ decoded_line = line.decode('utf-8')
+ if decoded_line.startswith('data: '):
+ json_str = decoded_line[6:]
+ if json_str == '[DONE]':
+ break
+ try:
+ json_data = json.loads(json_str)
+ if 'message' in json_data:
+ yield json_data['message']
+ except json.JSONDecodeError:
+ pass