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华为电脑能安装python吗(华为笔记本深度操作系统)

华为电脑能安装python吗(华为笔记本深度操作系统)sudo apt-get install python3-dev python3-gi python3-gi-cairo gir1.2-gtk-3.0 libgirepository1.0-dev libcairo2-dev sudo apt-get update sudo apt-get install python3-dev libgirepository1.0-dev libcairo2-dev libpango1.0-dev libwebkitgtk-3.0-0 gir1.2-webkit-3.03.3 额外包:python3 -m venv venv #python3.8 -m venv venv #本机安装 source venv/bin/activate3.2 2 官网地址:https://github.com/beeware/toga https://toga.rea

1 说明:

1.1 环境:华为笔记本电脑,深度deepin-linux操作系统,Python3.8,微软vscode编辑器,谷歌浏览器。

1.2 Toga:是一款Python 原生GUI 工具包,国外非常火,国内教程基本没有。

1.3 亲测,避免掉坑,通俗易懂,兼Toga的基本教程。

华为电脑能安装python吗(华为笔记本深度操作系统)(1)

2 官网地址:

https://github.com/beeware/toga https://toga.readthedocs.io/en/latest/

3 安装:

3.1 走官方安装教程:

python3 -m venv venv #python3.8 -m venv venv #本机安装 source venv/bin/activate

3.2

华为电脑能安装python吗(华为笔记本深度操作系统)(2)

sudo apt-get install python3-dev python3-gi python3-gi-cairo gir1.2-gtk-3.0 libgirepository1.0-dev libcairo2-dev sudo apt-get update sudo apt-get install python3-dev libgirepository1.0-dev libcairo2-dev libpango1.0-dev libwebkitgtk-3.0-0 gir1.2-webkit-3.0

3.3 额外包:

sudo apt-get install gir1.2-webkit2-4.0

3.4

pip install --pre toga #pip3.8 install --pre toga #本机安装

pip install --pre toga-demo #pip3.8 install --pre toga-demo #本机安装

3.5 报错:

WARNING: The script toga-demo is installed in '/usr/local/python3.8/bin' which is not on PATH.

Consider adding this directory to PATH or if you prefer to suppress this warning use --no-warn-script-location.

Successfully installed gbulb-0.6.1 pycairo-1.19.1 pygobject-3.36.1 toga-0.3.0.dev18 toga-core-0.3.0.dev18 toga-demo-0.3.0.dev19 toga-gtk-0.3.0.dev18 travertino-0.1.2

WARNING: You are using pip version 20.1; however version 20.1.1 is available.

You should consider upgrading via the '/usr/bin/python3.8 -m pip install --upgrade pip' command.

3.5.1 提示没有建立软连接:

ln -s /usr/local/python3.8/bin/toga-demo /usr/bin/toga-demo

3.5.1 升级pip

python3.8 -m pip install --upgrade pip #本机升级方法

4 打开toga-demo:

4.1 打开终端:输入:toga-demo

4.2 效果图:

华为电脑能安装python吗(华为笔记本深度操作系统)(3)

5 helloworld.py官方代码:

import toga def button_handler(widget): print("hello") def build(app): box = toga.Box() button = toga.Button('Hello world' on_press=button_handler) button.style.padding = 50 button.style.flex = 1 box.add(button) return box def main(): return toga.App('First App' 'org.beeware.helloworld' startup=build) if __name__ == '__main__': main().main_loop()

华为电脑能安装python吗(华为笔记本深度操作系统)(4)

采用微软编辑器运行代码

官方文档写的不仔细,我从新解读。

6 简单的一个窗口生成:

#导出模块 import toga #定义app,标题名(formal_name):First App #app = toga.App(formal_name='First App') #注意如果这样写,必须后面跟一个字符串,就是id,我这是随意写的 app = toga.App('First App' 'xxx') app.main_loop()

华为电脑能安装python吗(华为笔记本深度操作系统)(5)

7 按钮功能

#导出模块 import toga #def button_handler(widget): #随意定义一个参数:当然要有意义指代 #buprter=button print terminal=按钮打印终端 def button_handler(buprter): print("hello") def build(app): box = toga.Box() button = toga.Button('Hello world' on_press=button_handler) #button.style.padding = 3 #button.style.flex = 1 box.add(button) return box app = toga.App('First App' 'xxx' startup=build) app.main_loop()

华为电脑能安装python吗(华为笔记本深度操作系统)(6)

8 label标签显示

#导出模块 import toga def build(app): box = toga.Box() label = toga.Label('Hello world') box.add(label) return box app = toga.App('First App' 'xxx' startup=build) app.main_loop()

华为电脑能安装python吗(华为笔记本深度操作系统)(7)

9 三组label标签文本

#导出模块 import toga def build(app): box = toga.Box() labelx = toga.Label('Hello world') labelx.style.padding = 1 labelx.style.flex = 1 labely = toga.Label('Good GUI') labely.style.padding = 1 labely.style.flex = 1 labelz = toga.Label('Toga is python3 GUI') labelz.style.padding = 1 labelz.style.flex = 1 box.add(labelx) box.add(labely) box.add(labelz) return box app = toga.App('First App' 'xxx' startup=build) app.main_loop()

华为电脑能安装python吗(华为笔记本深度操作系统)(8)

由于中文文档比较少,先介绍到这里。

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