[tool] add web_search_tool

app.py

@@ -4,6 +4,7 @@ import requests
 import pytz
 import yaml
 from tools.final_answer import FinalAnswerTool
+from smolagents import LiteLLMModel
 
 from Gradio_UI import GradioUI
 
@@ -28,15 +29,23 @@ def get_mars_time_in_yaohui_land() -> str:
 
 
 final_answer = FinalAnswerTool()
+web_search_tool = DuckDuckGoSearchTool()
 
 # If the agent does not answer, the model is overloaded, please use another model or the following Hugging Face Endpoint that also contains qwen2.5 coder:
 # model_id='https://pflgm2locj2t89co.us-east-1.aws.endpoints.huggingface.cloud' 
 
-model = HfApiModel(
-max_tokens=2096,
-temperature=0.5,
-model_id='Qwen/Qwen2.5-Coder-32B-Instruct',# it is possible that this model may be overloaded
-custom_role_conversions=None,
+#model = HfApiModel(
+#max_tokens=2096,
+#temperature=0.5,
+#model_id='Qwen/Qwen2.5-Coder-32B-Instruct',# it is possible that this model may be overloaded
+#custom_role_conversions=None,
+#)
+
+
+model = LiteLLMModel(
+    model_id="ollama_chat/qwen2:7b",  # Or try other Ollama-supported models
+    api_base="http://127.0.0.1:11434",  # Default Ollama local server
+    num_ctx=8192,
 )
 
 
@@ -48,7 +57,7 @@ with open("prompts.yaml", 'r') as stream:
     
 agent = CodeAgent(
     model=model,
-    tools=[custom_number_generator, get_mars_time_in_yaohui_land, image_generation_tool, final_answer], ## add your tools here (don't remove final answer)
+    tools=[custom_number_generator, get_mars_time_in_yaohui_land, image_generation_tool, web_search_tool, final_answer], ## add your tools here (don't remove final answer)
     max_steps=6,
     verbosity_level=1,
     grammar=None,