import cv2 import objc from AppKit import NSScreen from CoreBrightness import CBDisplayBrightness import pyaudio import numpy as np # 控制屏幕亮度的函数 objc.loadBundle('CoreBrightness', bundle_path='/System/Library/PrivateFrameworks/CoreBrightness.framework', module_globals=globals()) def set_brightness(brightness): for screen in NSScreen.screens(): screen_brightness = CBDisplayBrightness(CGDirectDisplayID(screen.displayID())) screen_brightness.set(brightness)
时间: 2024-03-27 16:40:32 浏览: 11
你的代码中缺少了一些必要的导入语句,这些导入语句需要在使用相关函数或变量之前导入。具体来说,你需要导入CGDirectDisplayID和kCGDirectDisplayID这两个变量,可以使用以下代码导入:
```
from Quartz import CGDisplayID, kCGDirectMainDisplay, CGDirectDisplayID
```
另外,你还需要检查你的电脑是否已经安装了Quartz库。如果没有安装,可以使用以下命令在终端中安装:
```
xcode-select --install
```
安装完成后,你的代码应该可以正常运行。
相关问题
Traceback (most recent call last): File "/Users/mayl/PreventionOfPeeping_v2.py", line 14, in <module> from CoreBrightness import CBDisplayBrightness ModuleNotFoundError: No module named 'CoreBrightness'
如果您在运行Python脚本时遇到了`ModuleNotFoundError: No module named 'CoreBrightness'`错误,很可能是因为您的系统中没有安装CoreBrightness.framework库,或者没有在正确的路径中。
CoreBrightness.framework库位于`/System/Library/PrivateFrameworks/`目录下,如果您的Mac OS X系统版本较老,可能没有安装该库。您可以尝试更新系统或手动安装CoreBrightness.framework库。
如果您已经安装了CoreBrightness.framework库,但仍然无法导入CBDisplayBrightness模块,您可以尝试在Python代码中使用绝对路径加载CoreBrightness.framework库:
```
import os
import objc
from AppKit import NSScreen
# 加载CoreBrightness.framework库
framework_path = os.path.join('/System/Library/PrivateFrameworks/CoreBrightness.framework')
objc.loadBundle('CoreBrightness', bundle_path=framework_path, module_globals=globals())
# 定义设置屏幕亮度的函数
from CoreBrightness import CBDisplayBrightness
def set_brightness(brightness):
for screen in NSScreen.screens():
screen_brightness = CBDisplayBrightness(CGDirectDisplayID(screen.displayID()))
screen_brightness.set(brightness)
```
在使用绝对路径加载CoreBrightness.framework库时,需要确保路径正确,否则仍然会出现`ModuleNotFoundError`错误。
具体怎么操作?objc.loadBundle('CoreBrightness', bundle_path='/System/Library/PrivateFrameworks/CoreBrightness.framework', module_globals=globals()) def set_brightness(brightness): for screen in NSScreen.screens(): screen_brightness = CBDisplayBrightness(CGDirectDisplayID(screen.displayID())) screen_brightness.set(brightness)
这段代码是使用PyObjC库对Mac OS X的CoreBrightness.framework进行了桥接,实现了设置屏幕亮度的功能。
首先,需要确保已经安装了PyObjC库。可以使用pip命令安装:
```
pip install pyobjc
```
然后,在Python代码中导入需要用到的库和模块:
```
import objc
from AppKit import NSScreen
from CoreBrightness import CBDisplayBrightness
```
接下来,需要加载CoreBrightness.framework并定义设置屏幕亮度的函数:
```
objc.loadBundle('CoreBrightness', bundle_path='/System/Library/PrivateFrameworks/CoreBrightness.framework', module_globals=globals())
def set_brightness(brightness):
for screen in NSScreen.screens():
screen_brightness = CBDisplayBrightness(CGDirectDisplayID(screen.displayID()))
screen_brightness.set(brightness)
```
在调用`set_brightness`函数时,传入一个0到1之间的浮点数,表示要设置的亮度值。例如,设置亮度为50%:
```
set_brightness(0.5)
```
注意,需要以管理员权限运行Python脚本才能修改屏幕亮度。