example: browser tool creation

examples/gpt-oss-browser-tool.py

@@ -0,0 +1,117 @@
+from __future__ import annotations
+
+from typing import Any, Dict, List
+
+from gpt_oss_browser_tool_helper import Browser
+
+from ollama import Client
+
+
+def main() -> None:
+  client = Client()
+  browser = Browser(initial_state=None, client=client)
+
+  browser_search_schema = {
+    'type': 'function',
+    'function': {
+      'name': 'browser.search',
+      'parameters': {
+        'type': 'object',
+        'properties': {
+          'query': {'type': 'string'},
+          'topn': {'type': 'integer'},
+        },
+        'required': ['query'],
+      },
+    },
+  }
+
+  browser_open_schema = {
+    'type': 'function',
+    'function': {
+      'name': 'browser.open',
+      'parameters': {
+        'type': 'object',
+        'properties': {
+          'id': {'anyOf': [{'type': 'integer'}, {'type': 'string'}]},
+          'cursor': {'type': 'integer'},
+          'loc': {'type': 'integer'},
+          'num_lines': {'type': 'integer'},
+        },
+      },
+    },
+  }
+
+  browser_find_schema = {
+    'type': 'function',
+    'function': {
+      'name': 'browser.find',
+      'parameters': {
+        'type': 'object',
+        'properties': {
+          'pattern': {'type': 'string'},
+          'cursor': {'type': 'integer'},
+        },
+        'required': ['pattern'],
+      },
+    },
+  }
+
+  def browser_search(query: str, topn: int = 10) -> str:
+    return browser.search(query=query, topn=topn)['pageText']
+
+  def browser_open(id: int | str | None = None, cursor: int = -1, loc: int = -1, num_lines: int = -1) -> str:
+    return browser.open(id=id, cursor=cursor, loc=loc, num_lines=num_lines)['pageText']
+
+  def browser_find(pattern: str, cursor: int = -1, **_: Any) -> str:
+    return browser.find(pattern=pattern, cursor=cursor)['pageText']
+
+  available_tools = {
+    'browser.search': browser_search,
+    'browser.open': browser_open,
+    'browser.find': browser_find,
+  }
+  query = 'What is Ollama.com?'
+  print('Prompt:', query, '\n')
+
+  messages: List[Dict[str, Any]] = [{'role': 'user', 'content': query}]
+
+  while True:
+    resp = client.chat(
+      model='gpt-oss',
+      messages=messages,
+      tools=[browser_search_schema, browser_open_schema, browser_find_schema],
+      think=True,
+    )
+
+    if resp.message.thinking:
+      print('Thinking:\n========\n')
+      print(resp.message.thinking + '\n')
+
+    if resp.message.content:
+      print('Response:\n========\n')
+      print(resp.message.content + '\n')
+
+    messages.append(resp.message)
+
+    if not resp.message.tool_calls:
+      break
+
+    for tc in resp.message.tool_calls:
+      tool_name = tc.function.name
+      args = tc.function.arguments or {}
+      fn = available_tools.get(tool_name)
+      if not fn:
+        messages.append({'role': 'tool', 'content': f'Tool {tool_name} not found', 'tool_name': tool_name})
+        continue
+
+      try:
+        result_text = fn(**args)
+      except Exception as e:
+        result_text = f'Error from {tool_name}: {e}'
+
+      messages.append({'role': 'tool', 'content': result_text, 'tool_name': tool_name})
+
+
+if __name__ == '__main__':
+  main()