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。
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
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:
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()
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()
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()
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()
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()
由于中文文档比较少,先介绍到这里。