add computer, bash, text editor tools #9

Merged
leopengpong merged 1 commits from 3-implement-computer-tool-for-mac-specifically-or-copy-from-open-source into main 2025-06-11 23:06:05 +00:00
+247 -63
View File
@@ -1,7 +1,11 @@
import os
import sys
import httpx
import json
import base64
import pyautogui
import subprocess
from io import BytesIO
from PIL import Image
ANTHROPIC_API_URL = "https://api.anthropic.com/v1/messages"
MODEL = "claude-3-7-sonnet-20250219"
@@ -32,6 +36,190 @@ def send_request (headers, body):
sys.exit(1)
def execute_computer_tool(tool_input):
"""Execute computer tool actions like screenshot, click, type, etc."""
action = tool_input.get("action")
if action == "screenshot":
# Take a screenshot
screenshot = pyautogui.screenshot()
# Convert to base64
buffered = BytesIO()
screenshot.save(buffered, format="PNG")
# Check size and resize if needed (5MB = 5242880 bytes)
if buffered.tell() > 4242880:
# Reset buffer
buffered.seek(0)
screenshot = Image.open(buffered)
# Resize to 80% repeatedly until under 5MB
while True:
buffered = BytesIO()
new_size = (int(screenshot.width * 0.8), int(screenshot.height * 0.8))
screenshot = screenshot.resize(new_size, Image.Resampling.LANCZOS)
screenshot.save(buffered, format="PNG", optimize=True)
if buffered.tell() <= 4242880:
break
# Convert to base64
buffered.seek(0)
img_base64 = base64.b64encode(buffered.read()).decode('utf-8')
return {
"type": "image",
"source": {
"type": "base64",
"media_type": "image/png",
"data": img_base64
}
}
elif action == "click":
# Get coordinates
x = tool_input.get("coordinate_x")
y = tool_input.get("coordinate_y")
if x is None or y is None:
return {"type": "text", "text": "Error: Missing coordinates for click action"}
# Perform click
pyautogui.click(x, y)
return {"type": "text", "text": f"Clicked at coordinates ({x}, {y})"}
elif action == "double_click":
# Get coordinates
x = tool_input.get("coordinate_x")
y = tool_input.get("coordinate_y")
if x is None or y is None:
return {"type": "text", "text": "Error: Missing coordinates for double click action"}
# Perform double click
pyautogui.doubleClick(x, y)
return {"type": "text", "text": f"Double-clicked at coordinates ({x}, {y})"}
elif action == "type":
talksik commented 2025-06-10 18:03:46 +00:00 (Migrated from github.com)
Review

Looks like this format of json is returned throughout. Maybe add a helper function (where you just return generate_response("...") (or similar) to avoid future error of how responses are formatted?

Not a deal breaker for a prototype.

Looks like this format of json is returned throughout. Maybe add a helper function (where you just return `generate_response("...")` (or similar) to avoid future error of how responses are formatted? Not a deal breaker for a prototype.
# Get text to type
text = tool_input.get("text", "")
pyautogui.typewrite(text)
return {"type": "text", "text": f"Typed: {text}"}
elif action == "key":
# Press a key or key combination
key = tool_input.get("key", "")
try:
pyautogui.press(key)
return {"type": "text", "text": f"Pressed key: {key}"}
except Exception as e:
return {"type": "text", "text": f"Error pressing key {key}: {str(e)}"}
elif action == "scroll":
# Scroll action
direction = tool_input.get("direction", "down")
amount = tool_input.get("amount", 3)
scroll_amount = -amount if direction == "up" else amount
pyautogui.scroll(scroll_amount)
return {"type": "text", "text": f"Scrolled {direction} by {amount}"}
else:
return {"type": "text", "text": f"Unknown computer action: {action}"}
def execute_bash_tool(command):
"""Execute bash commands safely."""
try:
# Execute the command
result = subprocess.run(
command,
shell=True,
capture_output=True,
text=True,
timeout=30 # 30 second timeout
)
output = result.stdout
if result.stderr:
output += f"\n[STDERR]: {result.stderr}"
return {"type": "text", "text": output if output else "(Command executed successfully with no output)"}
except subprocess.TimeoutExpired:
return {"type": "text", "text": "Error: Command timed out after 30 seconds"}
except Exception as e:
return {"type": "text", "text": f"Error executing command: {str(e)}"}
def execute_text_editor_tool(command, path, **kwargs):
"""Execute text editor actions."""
if command == "view":
try:
with open(path, 'r') as f:
content = f.read()
return {"type": "text", "text": content}
except Exception as e:
return {"type": "text", "text": f"Error reading file: {str(e)}"}
elif command == "str_replace":
old_str = kwargs.get("old_str", "")
new_str = kwargs.get("new_str", "")
try:
with open(path, 'r') as f:
content = f.read()
if old_str not in content:
return {"type": "text", "text": f"Error: '{old_str}' not found in file"}
# Replace the string
new_content = content.replace(old_str, new_str)
# Write back to file
with open(path, 'w') as f:
f.write(new_content)
return {"type": "text", "text": "String replaced successfully"}
except Exception as e:
return {"type": "text", "text": f"Error modifying file: {str(e)}"}
elif command == "create":
content = kwargs.get("content", "")
try:
with open(path, 'w') as f:
f.write(content)
return {"type": "text", "text": f"File created: {path}"}
except Exception as e:
return {"type": "text", "text": f"Error creating file: {str(e)}"}
else:
return {"type": "text", "text": f"Unknown text editor command: {command}"}
def execute_tool(tool_name, tool_input):
"""Main function to execute any tool based on its name and input."""
print(f"\n[EXECUTING] Tool: {tool_name}")
print(f"[INPUT] {json.dumps(tool_input, indent=2)}")
if tool_name == "computer":
# Pass the entire tool_input to execute_computer_tool
return execute_computer_tool(tool_input)
elif tool_name == "bash":
command = tool_input.get("command", "")
return execute_bash_tool(command)
elif tool_name == "str_replace_editor":
command = tool_input.get("command")
path = tool_input.get("path", "")
return execute_text_editor_tool(command, path, **tool_input)
else:
return {"type": "text", "text": f"Unknown tool: {tool_name}"}
def send_prompt(api_key, messages):
headers = HEADERS.copy()
headers["x-api-key"] = api_key
@@ -66,11 +254,13 @@ def send_prompt(api_key, messages):
return send_request(headers, body)
def extract_tool_use(response):
def extract_tool_uses(response):
"""Extract all tool use requests from the response."""
tool_uses = []
for block in response.get("content", []):
if block.get("type") == "tool_use":
return block
return None
tool_uses.append(block)
return tool_uses
def run():
@@ -88,66 +278,60 @@ def run():
})
print(f"Sending prompt: {prompt}")
first_response = send_prompt(api_key, messages)
# We can't just append the whole first response, otherwise we get 400 bad req:
# "Extra inputs are not permitted"
messages.append({
'role': 'assistant',
'content': first_response.get('content', []),
})
tool_use = extract_tool_use(first_response)
if not tool_use:
print("No tool use required. Response:")
print(first_response["content"])
return
# print first response from Claude
for block in first_response.get("content", []):
print(f'{block['type']}:')
if block["type"] == "text":
print(f'\t{block["text"]}')
elif block["type"] == "thinking":
print(f'\t{block["thinking"]}')
elif block["type"] == "tool_use":
print(f'\tTool use requested: {block["name"]}')
print(f'\tInput: {block["input"]}')
# this is a stub for the tool execution
fake_result_message = {
"role": "user",
"content": [
{
# Main conversation loop
while True:
response = send_prompt(api_key, messages)
# Add Claude's response to messages
messages.append({
'role': 'assistant',
'content': response.get('content', []),
})
# Print Claude's response
print("\n[CLAUDE RESPONSE]")
for block in response.get("content", []):
if block["type"] == "text":
print(block["text"])
elif block["type"] == "thinking":
print(f"[THINKING] {block['thinking']}")
elif block["type"] == "tool_use":
print(f"[TOOL REQUEST] {block['name']} - {block.get('input', {})}")
# Extract all tool uses
tool_uses = extract_tool_uses(response)
if not tool_uses:
# No more tool uses, we're done
break
# Execute all requested tools and collect results
tool_results = []
for tool_use in tool_uses:
tool_name = tool_use["name"]
tool_input = tool_use.get("input", {})
tool_id = tool_use["id"]
# Execute the tool
result_content = execute_tool(tool_name, tool_input)
# Add to results
tool_results.append({
"type": "tool_result",
"tool_use_id": tool_use["id"],
"content": "(Stub) Executed tool successfully"
}
]
}
messages.append(fake_result_message)
# send the fake result back to Claude
headers = HEADERS.copy()
headers["x-api-key"] = api_key
tool_result_msg = {
"model": MODEL,
"max_tokens": 2048,
"tools": [],
"messages": messages,
"thinking": {
"type": "enabled",
"budget_tokens": 1024
}
}
final_response = send_request(headers, tool_result_msg)
print("Final Claude response:")
for block in final_response.get("content", []):
if block["type"] == "text":
print(block["text"])
"tool_use_id": tool_id,
"content": [result_content] if isinstance(result_content, dict) else result_content
})
# Add all tool results as a user message
messages.append({
"role": "user",
"content": tool_results
})
print("\n[TOOL RESULTS SENT BACK TO CLAUDE]")
print("\n[CONVERSATION COMPLETE]")
if __name__ == "__main__":