py获取系统缩放比例

from win32.lib import win32con
import win32api, win32gui, win32print

scaling = 1.0
def get_real_resolution():
    """获取真实的分辨率"""
    hDC = win32gui.GetDC(0)
    wide = win32print.GetDeviceCaps(hDC, win32con.DESKTOPHORZRES)
    high = win32print.GetDeviceCaps(hDC, win32con.DESKTOPVERTRES)
    return {"wide": wide, "high": high}
    
    
def get_screen_size():
    """获取缩放后的分辨率"""
    wide = win32api.GetSystemMetrics(0)
    high = win32api.GetSystemMetrics(1)
    return {"wide": wide, "high": high}

def get_scaling():
    '''获取屏幕的缩放比例'''
    real_resolution = get_real_resolution()
    screen_size = get_screen_size()
    proportion = round(real_resolution['wide'] / screen_size['wide'], 2)
    return proportion

if __name__ == '__main__':
    scaling = get_scaling()
    print('scaling: ', scaling)