Naming conventions
This commit is contained in:
Thomas Dhome-Casanova
326
omnitool/gradio/tools/computer.py
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326
omnitool/gradio/tools/computer.py
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import base64
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import time
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from enum import StrEnum
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from typing import Literal, TypedDict
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from PIL import Image
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from anthropic.types.beta import BetaToolComputerUse20241022Param
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from .base import BaseAnthropicTool, ToolError, ToolResult
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from .screen_capture import get_screenshot
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import requests
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import re
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OUTPUT_DIR = "./tmp/outputs"
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TYPING_DELAY_MS = 12
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TYPING_GROUP_SIZE = 50
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Action = Literal[
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"key",
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"type",
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"mouse_move",
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"left_click",
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"left_click_drag",
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"right_click",
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"middle_click",
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"double_click",
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"screenshot",
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"cursor_position",
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"hover",
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"wait"
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]
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class Resolution(TypedDict):
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width: int
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height: int
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MAX_SCALING_TARGETS: dict[str, Resolution] = {
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"XGA": Resolution(width=1024, height=768), # 4:3
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"WXGA": Resolution(width=1280, height=800), # 16:10
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"FWXGA": Resolution(width=1366, height=768), # ~16:9
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}
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class ScalingSource(StrEnum):
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COMPUTER = "computer"
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API = "api"
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class ComputerToolOptions(TypedDict):
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display_height_px: int
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display_width_px: int
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display_number: int | None
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def chunks(s: str, chunk_size: int) -> list[str]:
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return [s[i : i + chunk_size] for i in range(0, len(s), chunk_size)]
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class ComputerTool(BaseAnthropicTool):
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"""
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A tool that allows the agent to interact with the screen, keyboard, and mouse of the current computer.
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Adapted for Windows using 'pyautogui'.
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"""
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name: Literal["computer"] = "computer"
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api_type: Literal["computer_20241022"] = "computer_20241022"
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width: int
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height: int
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display_num: int | None
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_screenshot_delay = 2.0
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_scaling_enabled = True
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@property
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def options(self) -> ComputerToolOptions:
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width, height = self.scale_coordinates(
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ScalingSource.COMPUTER, self.width, self.height
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)
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return {
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"display_width_px": width,
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"display_height_px": height,
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"display_number": self.display_num,
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}
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def to_params(self) -> BetaToolComputerUse20241022Param:
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return {"name": self.name, "type": self.api_type, **self.options}
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def __init__(self, is_scaling: bool = False):
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super().__init__()
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# Get screen width and height using Windows command
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self.display_num = None
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self.offset_x = 0
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self.offset_y = 0
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self.is_scaling = is_scaling
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self.width, self.height = self.get_screen_size()
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print(f"screen size: {self.width}, {self.height}")
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self.key_conversion = {"Page_Down": "pagedown",
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"Page_Up": "pageup",
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"Super_L": "win",
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"Escape": "esc"}
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async def __call__(
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self,
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*,
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action: Action,
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text: str | None = None,
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coordinate: tuple[int, int] | None = None,
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**kwargs,
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):
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print(f"action: {action}, text: {text}, coordinate: {coordinate}, is_scaling: {self.is_scaling}")
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if action in ("mouse_move", "left_click_drag"):
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if coordinate is None:
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raise ToolError(f"coordinate is required for {action}")
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if text is not None:
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raise ToolError(f"text is not accepted for {action}")
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if not isinstance(coordinate, (list, tuple)) or len(coordinate) != 2:
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raise ToolError(f"{coordinate} must be a tuple of length 2")
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# if not all(isinstance(i, int) and i >= 0 for i in coordinate):
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if not all(isinstance(i, int) for i in coordinate):
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raise ToolError(f"{coordinate} must be a tuple of non-negative ints")
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if self.is_scaling:
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x, y = self.scale_coordinates(
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ScalingSource.API, coordinate[0], coordinate[1]
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)
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else:
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x, y = coordinate
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# print(f"scaled_coordinates: {x}, {y}")
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# print(f"offset: {self.offset_x}, {self.offset_y}")
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# x += self.offset_x # TODO - check if this is needed
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# y += self.offset_y
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print(f"mouse move to {x}, {y}")
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if action == "mouse_move":
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self.send_to_vm(f"pyautogui.moveTo({x}, {y})")
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return ToolResult(output=f"Moved mouse to ({x}, {y})")
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elif action == "left_click_drag":
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current_x, current_y = self.send_to_vm("pyautogui.position()")
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self.send_to_vm(f"pyautogui.dragTo({x}, {y}, duration=0.5)")
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return ToolResult(output=f"Dragged mouse from ({current_x}, {current_y}) to ({x}, {y})")
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if action in ("key", "type"):
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if text is None:
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raise ToolError(f"text is required for {action}")
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if coordinate is not None:
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raise ToolError(f"coordinate is not accepted for {action}")
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if not isinstance(text, str):
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raise ToolError(output=f"{text} must be a string")
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if action == "key":
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# Handle key combinations
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keys = text.split('+')
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for key in keys:
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key = self.key_conversion.get(key.strip(), key.strip())
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key = key.lower()
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self.send_to_vm(f"pyautogui.keyDown('{key}')") # Press down each key
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for key in reversed(keys):
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key = self.key_conversion.get(key.strip(), key.strip())
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key = key.lower()
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self.send_to_vm(f"pyautogui.keyUp('{key}')") # Release each key in reverse order
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return ToolResult(output=f"Pressed keys: {text}")
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elif action == "type":
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self.send_to_vm(f"pyautogui.typewrite('{text}', interval={TYPING_DELAY_MS / 1000})")
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screenshot_base64 = (await self.screenshot()).base64_image
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return ToolResult(output=text, base64_image=screenshot_base64)
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if action in (
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"left_click",
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"right_click",
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"double_click",
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"middle_click",
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"screenshot",
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"cursor_position",
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"left_press",
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):
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if text is not None:
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raise ToolError(f"text is not accepted for {action}")
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if coordinate is not None:
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raise ToolError(f"coordinate is not accepted for {action}")
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if action == "screenshot":
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return await self.screenshot()
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elif action == "cursor_position":
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x, y = self.send_to_vm("pyautogui.position()")
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x, y = self.scale_coordinates(ScalingSource.COMPUTER, x, y)
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return ToolResult(output=f"X={x},Y={y}")
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else:
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if action == "left_click":
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self.send_to_vm("pyautogui.click()")
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elif action == "right_click":
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self.send_to_vm("pyautogui.rightClick()")
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elif action == "middle_click":
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self.send_to_vm("pyautogui.middleClick()")
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elif action == "double_click":
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self.send_to_vm("pyautogui.doubleClick()")
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elif action == "left_press":
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self.send_to_vm("pyautogui.mouseDown()")
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time.sleep(1)
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self.send_to_vm("pyautogui.mouseUp()")
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return ToolResult(output=f"Performed {action}")
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if action in ("scroll_up", "scroll_down"):
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if action == "scroll_up":
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self.send_to_vm("pyautogui.scroll(100)")
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elif action == "scroll_down":
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self.send_to_vm("pyautogui.scroll(-100)")
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return ToolResult(output=f"Performed {action}")
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if action == "hover":
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return ToolResult(output=f"Performed {action}")
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if action == "wait":
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time.sleep(1)
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return ToolResult(output=f"Performed {action}")
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raise ToolError(f"Invalid action: {action}")
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def send_to_vm(self, action: str):
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"""
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Executes a python command on the server. Only return tuple of x,y when action is "pyautogui.position()"
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"""
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prefix = "import pyautogui; pyautogui.FAILSAFE = False;"
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command_list = ["python", "-c", f"{prefix} {action}"]
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parse = action == "pyautogui.position()"
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if parse:
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command_list[-1] = f"{prefix} print({action})"
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try:
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print(f"sending to vm: {command_list}")
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response = requests.post(
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f"http://localhost:5000/execute",
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headers={'Content-Type': 'application/json'},
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json={"command": command_list},
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timeout=90
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)
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time.sleep(0.7) # avoid async error as actions take time to complete
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print(f"action executed")
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if response.status_code != 200:
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raise ToolError(f"Failed to execute command. Status code: {response.status_code}")
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if parse:
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output = response.json()['output'].strip()
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match = re.search(r'Point\(x=(\d+),\s*y=(\d+)\)', output)
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if not match:
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raise ToolError(f"Could not parse coordinates from output: {output}")
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x, y = map(int, match.groups())
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return x, y
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except requests.exceptions.RequestException as e:
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raise ToolError(f"An error occurred while trying to execute the command: {str(e)}")
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async def screenshot(self):
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if not hasattr(self, 'target_dimension'):
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screenshot = self.padding_image(screenshot)
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self.target_dimension = MAX_SCALING_TARGETS["WXGA"]
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width, height = self.target_dimension["width"], self.target_dimension["height"]
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screenshot, path = get_screenshot(resize=True, target_width=width, target_height=height)
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time.sleep(0.7) # avoid async error as actions take time to complete
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return ToolResult(base64_image=base64.b64encode(path.read_bytes()).decode())
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def padding_image(self, screenshot):
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"""Pad the screenshot to 16:10 aspect ratio, when the aspect ratio is not 16:10."""
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_, height = screenshot.size
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new_width = height * 16 // 10
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padding_image = Image.new("RGB", (new_width, height), (255, 255, 255))
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# padding to top left
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padding_image.paste(screenshot, (0, 0))
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return padding_image
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def scale_coordinates(self, source: ScalingSource, x: int, y: int):
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"""Scale coordinates to a target maximum resolution."""
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if not self._scaling_enabled:
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return x, y
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ratio = self.width / self.height
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target_dimension = None
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for target_name, dimension in MAX_SCALING_TARGETS.items():
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# allow some error in the aspect ratio - not ratios are exactly 16:9
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if abs(dimension["width"] / dimension["height"] - ratio) < 0.02:
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if dimension["width"] < self.width:
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target_dimension = dimension
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self.target_dimension = target_dimension
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# print(f"target_dimension: {target_dimension}")
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break
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if target_dimension is None:
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# TODO: currently we force the target to be WXGA (16:10), when it cannot find a match
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target_dimension = MAX_SCALING_TARGETS["WXGA"]
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self.target_dimension = MAX_SCALING_TARGETS["WXGA"]
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# should be less than 1
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x_scaling_factor = target_dimension["width"] / self.width
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y_scaling_factor = target_dimension["height"] / self.height
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if source == ScalingSource.API:
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if x > self.width or y > self.height:
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raise ToolError(f"Coordinates {x}, {y} are out of bounds")
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# scale up
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return round(x / x_scaling_factor), round(y / y_scaling_factor)
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# scale down
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return round(x * x_scaling_factor), round(y * y_scaling_factor)
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def get_screen_size(self):
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"""Return width and height of the screen"""
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try:
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response = requests.post(
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f"http://localhost:5000/execute",
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headers={'Content-Type': 'application/json'},
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json={"command": ["python", "-c", "import pyautogui; print(pyautogui.size())"]},
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timeout=90
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)
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if response.status_code != 200:
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raise ToolError(f"Failed to get screen size. Status code: {response.status_code}")
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output = response.json()['output'].strip()
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match = re.search(r'Size\(width=(\d+),\s*height=(\d+)\)', output)
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if not match:
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raise ToolError(f"Could not parse screen size from output: {output}")
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width, height = map(int, match.groups())
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return width, height
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except requests.exceptions.RequestException as e:
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raise ToolError(f"An error occurred while trying to get screen size: {str(e)}")
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