File size: 9,497 Bytes
a3e5f70 | 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 197 198 199 200 201 202 203 204 205 206 207 208 209 210 211 212 213 214 215 216 217 218 219 220 221 222 223 224 225 226 227 228 229 230 231 232 233 234 235 236 237 238 239 240 241 242 243 244 245 | #!/usr/bin/env python3
"""
๐ฅ๏ธ Quillan-Ronin Desktop Agent (Vision + Control Loop)
Version: 2.0 (Hardened Architecture)
Features:
- Object-Oriented State Management
- Token-Optimized Vision Capture (Dynamic Downscaling)
- VLM-Optimized Relative Coordinate Mapping (0.0 to 1.0)
- Failsafe Triggers & Exception Handling
- Enforced JSON Schema Prompting
"""
import subprocess
import time
import json
import base64
import re
from io import BytesIO
from typing import Dict, Any, List
import pyautogui
from PIL import Image
# ๐ก๏ธ WARDEN PROTOCOL: Safety First
# Slam mouse to any of the 4 corners of the screen to kill the agent.
pyautogui.FAILSAFE = True
# =========================
# โ๏ธ SYSTEM PROMPT
# =========================
SYSTEM_PROMPT = """
You are an autonomous desktop control agent. You receive a screenshot of the user's desktop and a goal.
Your objective is to determine the next immediate action to achieve the goal.
CRITICAL RULES:
1. Coordinate Mapping: Use RELATIVE coordinates from 0.0 to 1.0.
(e.g., x: 0.5, y: 0.5 is the exact center of the screen. x: 0.0, y: 0.0 is top-left).
2. You must output ONLY valid, parsable JSON. No markdown wrappers, no explanations outside the JSON.
SCHEMA:
{
"thought": "Briefly explain your visual analysis and reasoning for the next step.",
"action": "click" | "type" | "press" | "hotkey" | "exec" | "done",
"args": {
// For 'click': "x": float (0.0-1.0), "y": float (0.0-1.0)
// For 'type': "text": string
// For 'press': "key": string (e.g., "enter", "tab", "win")
// For 'hotkey': "keys": ["ctrl", "c"]
// For 'exec': "command": string
}
}
"""
# =========================
# ๐ง AGENT ARCHITECTURE
# =========================
class QuillanDesktopAgent:
def __init__(self, step_delay: float = 1.5, max_steps: int = 20):
self.step_delay = step_delay
self.max_steps = max_steps
self.history: List[Dict[str, Any]] = []
# Capture environment bounds for relative mapping
self.screen_width, self.screen_height = pyautogui.size()
print(f"[*] Agent Initialized. Display bounds mapped: {self.screen_width}x{self.screen_height}")
# -------------------------
# ๐ธ VISION LAYER
# -------------------------
def capture_vision(self, max_dimension: int = 1024) -> str:
"""
Captures screen and optimizes payload to prevent VLM context overflow.
Maintains aspect ratio while restricting max dimension.
"""
img = pyautogui.screenshot()
# Optimization: Downscale for token efficiency
img.thumbnail((max_dimension, max_dimension), Image.Resampling.LANCZOS)
buffered = BytesIO()
img.save(buffered, format="PNG", optimize=True)
encoded = base64.b64encode(buffered.getvalue()).decode('utf-8')
return encoded
# -------------------------
# ๐ฑ๏ธ ACTION SPACE
# -------------------------
def execute_action(self, action: str, args: Dict[str, Any]) -> str:
"""Routes and executes physical actions with safety bounds."""
try:
if action == "click":
# Translate relative VLM coordinates (0.0-1.0) to absolute pixels
rel_x = float(args.get("x", 0.5))
rel_y = float(args.get("y", 0.5))
# Clamp between 0.0 and 1.0 to prevent out-of-bounds
rel_x = max(0.0, min(1.0, rel_x))
rel_y = max(0.0, min(1.0, rel_y))
abs_x = int(rel_x * self.screen_width)
abs_y = int(rel_y * self.screen_height)
pyautogui.click(abs_x, abs_y)
return f"Success: Clicked relative ({rel_x:.2f}, {rel_y:.2f}) -> absolute [{abs_x}, {abs_y}]"
elif action == "type":
text = str(args.get("text", ""))
pyautogui.write(text, interval=0.02)
return f"Success: Typed '{text}'"
elif action == "press":
key = str(args.get("key", ""))
pyautogui.press(key)
return f"Success: Pressed '{key}'"
elif action == "hotkey":
keys = args.get("keys", [])
pyautogui.hotkey(*keys)
return f"Success: Triggered hotkey {keys}"
elif action == "exec":
# โ ๏ธ WARDEN WARNING: Ensure execution environment is sandboxed
command = str(args.get("command", ""))
print(f"โ ๏ธ SECURITY ALERT: Executing shell command: {command}")
result = subprocess.run(command, shell=True, capture_output=True, text=True, timeout=10)
output = result.stdout[:1000] + ("..." if len(result.stdout) > 1000 else "")
err = result.stderr[:500]
return f"Success: Executed. Out: {output} | Err: {err}"
elif action == "done":
return "Agent declared task complete."
else:
return f"Error: Unknown action '{action}'"
except Exception as e:
return f"Error during execution of {action}: {str(e)}"
# -------------------------
# ๐ง MODEL INTERFACE
# -------------------------
def _call_vlm(self, goal: str, image_b64: str) -> Dict[str, Any]:
"""
Stub for your actual Vision-Language Model API call (OpenAI, Anthropic, Gemini, etc.).
"""
# Construct the payload structure you would send to the API:
# messages = [
# {"role": "system", "content": SYSTEM_PROMPT},
# {"role": "user", "content": [
# {"type": "text", "text": f"Goal: {goal}\nHistory: {json.dumps(self.history[-3:])}"},
# {"type": "image_url", "image_url": {"url": f"data:image/png;base64,{image_b64}"}}
# ]}
# ]
# โ ๏ธ MOCK RESPONSE FOR DEMONSTRATION
if not self.history:
raw_response = '{"thought": "Opening start menu.", "action": "press", "args": {"key": "win"}}'
elif len(self.history) == 1:
raw_response = '{"thought": "Searching for browser.", "action": "type", "args": {"text": "chrome"}}'
elif len(self.history) == 2:
raw_response = '{"thought": "Launching application.", "action": "press", "args": {"key": "enter"}}'
else:
raw_response = '{"thought": "Task complete.", "action": "done", "args": {}}'
# Robust JSON parsing
return self._parse_json_response(raw_response)
def _parse_json_response(self, text: str) -> Dict[str, Any]:
"""Extracts and parses JSON, stripping markdown block wrappers if the LLM hallucinated them."""
try:
# Look for JSON block
match = re.search(r'\{.*\}', text.strip(), re.DOTALL)
if match:
return json.loads(match.group(0))
return json.loads(text)
except json.JSONDecodeError:
print(f"โ Failed to parse LLM response as JSON: {text}")
# Return a safe fallback action to trigger a retry
return {"action": "error", "args": {}, "thought": "Failed to parse JSON."}
# -------------------------
# ๐ CORE LOOP
# -------------------------
def run(self, goal: str):
print(f"\n๐ฏ ENGAGING AGENT GOAL: {goal}\n" + "="*40)
for step in range(self.max_steps):
print(f"\n--- ๐ STEP {step+1}/{self.max_steps} ---")
# ๐๏ธ Observe
print("[*] Capturing spatial data...")
screen_b64 = self.capture_vision()
# ๐ง Decide
print("[*] Awaiting VLM decision...")
decision = self._call_vlm(goal, screen_b64)
action = decision.get("action", "error")
args = decision.get("args", {})
thought = decision.get("thought", "No thought provided.")
print(f"๐ง Thought: {thought}")
print(f"โ๏ธ Action : {action} | Args: {args}")
# ๐ฑ๏ธ Act
if action == "done":
print("\nโ
GOAL ACHIEVED. Disengaging agent loop.")
break
if action == "error":
print("โ ๏ธ Skipping execution due to malformed LLM output.")
result = "Failed to parse instruction."
else:
result = self.execute_action(action, args)
print(f"๐ค Result : {result}")
# ๐ Record
self.history.append({
"step": step + 1,
"action": action,
"result": result
})
# Delay to allow UI animations/rendering to complete before next screenshot
time.sleep(self.step_delay)
else:
print("\nโ ๏ธ MAX STEPS REACHED. Terminating to prevent infinite loop.")
# =========================
# ๐ ENTRY POINT
# =========================
if __name__ == "__main__":
agent = QuillanDesktopAgent(step_delay=2.0, max_steps=15)
TARGET_GOAL = "Open a browser and search for 'open source ai agents'"
try:
agent.run(TARGET_GOAL)
except pyautogui.FailSafeException:
print("\n๐จ FAILSAFE TRIGGERED! Mouse moved to corner. Agent terminated.")
except KeyboardInterrupt:
print("\n๐ Manual interrupt received. Agent terminated.") |