TX2 install Qt and develop w/ QT

PyQt 简介及实践
PyQt 是一个用于创建GUI应用程序的跨平台的工具包,它将Python编程语言和Qt库成功融合在一起,QT库目前是最强大的GUI库之一。
PyQt可以运行在所有主流操作系统上,包括UNIX,Linux,Windows和Mac OS 。
自Qt移植Python 上形成PyQt以来,已更新出PyQt3, PyQt4, PyQt5,PyQt提供GPL版和商业版。(当前案例采用GPL版本)

Step1. 安装Qt 开发工具 参考Link

sudo apt-get install qt5-default qtcreator -y
sudo apt-get install qt5-doc qt5-doc-html qtbase5-doc-html qtbase5-examples -y

PS: qt5-doc/examples 可以不安装

设置QT集成编译环境:

  1. Tools->Options->Build & Run->Compilers
    add gcc
    path: /usr/bin/gcc
    ABI: custom – arm – linux – generic – elf – 64 bit
  2. Tools->Options->Build & Run->Kit
    Add, and change the name “JetsonTX2”.

Step2. 安装PyQt and SIP
SIP 无PyPI Packages,需下载源码编译安装download src link

$python3 configure.py
$make
$sudo make install

PyQt 安装
方法一、apt-get 安装,需采用源码安装

sudo apt-get install pyqt5*

方法二、源码编译安装下载链接

$python configure.py --qmake /usr/lib/aarch64-linux-gnu/qt5/bin/qmake
$make
$sudo make install

安装PyInstaller 需指定版本:(3.4版本无法安装)
pip3 install PyInstaller==3.3.1 --user

Step3. 编写PyQt Demo软件

  1. QtCreator 画图(Ctrl+R 预览) --- demo.ui
  2. 将HelloWorld.ui转换为HelloWorld.py
    pyuic5 -o HelloWorld.py HelloWorld.ui
# -*- coding: utf-8 -*-
# Form implementation generated from reading ui file 'helloworld.ui'
#
# Created by: PyQt5 UI code generator 5.5.1
#
# WARNING! All changes made in this file will be lost!
from PyQt5 import QtCore, QtGui, QtWidgets
class Ui_Form(object):
    def setupUi(self, Form):
        Form.setObjectName("Form")
        Form.resize(400, 300)
        self.pushButton = QtWidgets.QPushButton(Form)
        self.pushButton.setGeometry(QtCore.QRect(120, 90, 99, 27))
        self.pushButton.setObjectName("pushButton")

        self.retranslateUi(Form)
        QtCore.QMetaObject.connectSlotsByName(Form)

    def retranslateUi(self, Form):
        _translate = QtCore.QCoreApplication.translate
        Form.setWindowTitle(_translate("Form", "Form"))
        self.pushButton.setText(_translate("Form", "hello"))
  1. 添加main.py(主文件),调用HelloWorld.py
#!/usr/bin/env python
# -*- coding: utf-8 -*-

import sys
import HelloWorld
from PyQt5.QtWidgets import QApplication,QMainWindow

if __name__ == '__main__':
    app = QApplication(sys.argv)
    MainWindow = QMainWindow()
    ui = HelloWorld.Ui_Form()
    ui.setupUi(MainWindow)
    MainWindow.show()
    sys.exit(app.exec_())
  1. pyinstaller main.py,当前目录会生成dist folder.Running manual

Step4.
安装、配置、使用pycharm 编译器
wget pycharm

$tar zxf pycharm-community-2018.3.4.tar.gz
$export DISPLAY=:0  (若是终端 SSH链接TX2)
$./bin/pycharm.sh  

创建工程并选择对应Python版本和工程路径


pycharm.create.proj.png

Step5. 参考案例
1、基于QTdesigner的PyQt编程

2、Python3 :PyCharm + Qt designer 学习 + 实例

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