Create tools.py

adding a webpage browser as a tool

tools.py

@@ -0,0 +1,45 @@
+from typing import Any, Optional
+from smolagents.tools import Tool
+import smolagents
+import markdownify
+import requests
+
+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 10-second timeout
+            response = requests.get(url, timeout=10)
+            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):
+        self.is_initialized = False