python 实现 macOS状态栏 网速实时显示

安装依赖包：

pip install pillow psutil rumps

netSpeedApp.py

from PIL import Image, ImageDraw, ImageFont
import psutil
import rumpsclass NetSpeedApp(rumps.App):def __init__(self):super(NetSpeedApp, self).__init__("NetSpeed")self.title=''self.last_download = psutil.net_io_counters().bytes_recvself.last_upload = psutil.net_io_counters().bytes_sentself.icon = self.generate_icon()  # 设置图标self.template = True  # 为True时系统自动生成黑色图标 重点！！！rumps.Timer(self.update_speed, 1).start()  # 启动定时器，每秒更新一次def update_speed(self, sender):# 计算下载和上传速度download_speed = psutil.net_io_counters().bytes_recv - self.last_downloadupload_speed = psutil.net_io_counters().bytes_sent - self.last_upload# 更新上一次的下载和上传值self.last_download = psutil.net_io_counters().bytes_recvself.last_upload = psutil.net_io_counters().bytes_sent# 生成包含两行文本信息的图片self.generate_icon(download_speed, upload_speed)# 更新图标self.icon = self.icondef generate_icon(self, download_speed=0, upload_speed=0):filename = 'img.png'# 创建一个空白图像image = Image.new("RGBA", (120, 40), (0, 0, 0, 0))# 获取字体 size 20font = ImageFont.load_default(20)# 获取绘图上下文draw = ImageDraw.Draw(image)# 绘制下载和上传速度文本draw.text((0, 0), "U: {}".format(self.format_speed(upload_speed)), font=font, fill="white")draw.text((0, 20), "D: {}".format(self.format_speed(download_speed)), font=font, fill="white")image.save(filename, format="PNG")return filenamedef format_speed(self, speed):# 格式化速度，以 B、KB 或 MB 为单位if speed < 1024:return "{} B/s".format(speed)elif 1024 <= speed < 1048576:return "{:.1f} KB/s".format(speed / 1024)else:return "{:.1f} MB/s".format(speed / 1048576)if __name__ == "__main__":NetSpeedApp().run()# 修改源码 file:rumps.py > func:_nsimage_from_file > line:128:image.setSize_((60, 20) if dimensions is None else dimensions)  # (20, 20)=>(60, 20)

效果预览：