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import re
from typing import Any
from smolagents.tools import Tool
class DuckDuckGoSearchTool(Tool):
name = "web_search"
description = "Performs a duckduckgo web search based on your query (think a Google search) then returns the top search results."
inputs = {'query': {'type': 'string', 'description': 'The search query to perform.'}}
output_type = "string"
def __init__(self, max_results=10, **kwargs):
super().__init__()
self.max_results = max_results
try:
from duckduckgo_search import DDGS
except ImportError as e:
raise ImportError(
"You must install package `duckduckgo_search` to run this tool: for instance run `pip install duckduckgo-search`."
) from e
self.ddgs = DDGS(**kwargs)
def forward(self, query: str) -> str:
results = self.ddgs.text(query, max_results=self.max_results)
if len(results) == 0:
raise Exception("No results found! Try a less restrictive/shorter query.")
postprocessed_results = [f"[{result['title']}]({result['href']})\n{result['body']}" for result in results]
return "## Search Results\n\n" + "\n\n".join(postprocessed_results)
class VisitWebpageTool(Tool):
name = "visit_webpage"
description = "Visits a webpage at the given url and reads its content as a markdown string. Use this to browse webpages."
inputs = {'url': {'type': 'string', 'description': 'The url of the webpage to visit.'}}
output_type = "string"
def forward(self, url: str) -> str:
try:
import requests
from markdownify import markdownify
from requests.exceptions import RequestException
from smolagents.utils import truncate_content
except ImportError as e:
raise ImportError(
"You must install packages `markdownify` and `requests` to run this tool: for instance run `pip install markdownify requests`."
) from e
try:
# Send a GET request to the URL with a 20-second timeout
response = requests.get(url, timeout=20)
response.raise_for_status() # Raise an exception for bad status codes
# Convert the HTML content to Markdown
markdown_content = markdownify(response.text).strip()
# Remove multiple line breaks
markdown_content = re.sub(r"\n{3,}", "\n\n", markdown_content)
return truncate_content(markdown_content, 10000)
except requests.exceptions.Timeout:
return "The request timed out. Please try again later or check the URL."
except RequestException as e:
return f"Error fetching the webpage: {str(e)}"
except Exception as e:
return f"An unexpected error occurred: {str(e)}"
def __init__(self, *args, **kwargs):
super().__init__(*args, **kwargs)
self.is_initialized = False
class ReadPythonScript(Tool):
name = "read_python_script"
description ="Reads a given python script and returns ist content as a string"
inputs = {"file_path":{'type':'string','description':'The path of the given python file'}}
output_type = "string"
def forward(self,file_path:str)->str:
with open(file_path) as f :
file_content = f.read()
return file_content
def __init__(self, *args, **kwargs):
super().__init__(*args, **kwargs)
self.is_initialized=False
class FinalAnswerTool(Tool):
name = "final_answer"
description = "Provides a final answer to the given problem."
inputs = {'answer': {'type': 'any', 'description': 'The final answer to the problem'}}
output_type = "any"
def forward(self, answer: Any) -> Any:
return answer
def __init__(self, *args, **kwargs):
self.is_initialized = False
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