QT 调用 python 模块

QT 调用 python 模块

1 testPy.pro

QT += core
QT -= gui

CONFIG += c++11
CONFIG += console
CONFIG -= app_bundle

TEMPLATE = app
TARGET = testPy
DESTDIR = $$PWD/../bin

SOURCES += main.cpp

DEFINES += QT_DEPRECATED_WARNINGS

#-- add python2.7 lib--
INCLUDEPATH += -I /usr/include/python2.7
LIBS += -L /usr/lib/python2.7 -lpython2.7

#--test.py file
OTHER_FILES += test.py\

#copy files
{

unix{
system(cp -rv $$OTHER_FILES $$DESTDIR)
}

}

2 main.cpp

#include <QCoreApplication>
#include <Python.h>

#include <QDebug>

int main(int argc, char *argv[])
{
QCoreApplication a(argc, argv);

//初始化python模块
Py_Initialize();
if ( !Py_IsInitialized() )
{
return -1;
}

//导入test.py模块
PyObject* pModule = PyImport_ImportModule("test");
if (!pModule) {
qDebug("Cant open python file!\n");
return -1;
}

//获取test模块中的hello函数
PyObject* pFunhello= PyObject_GetAttrString(pModule,"hello");

//注释掉的这部分是另一种获得test模块中的hello函数的方法
//    PyObject* pDict = PyModule_GetDict(pModule);
//    if (!pDict) {
//        qDebug("Cant find dictionary.\n");
//        return -1;
//    }
//    PyObject* pFunhello = PyDict_GetItemString(pDict, "hello");

if(!pFunhello){
qDebug()<<"Get function hello failed";
return -1;
}

//调用hello函数
PyObject_CallFunction(pFunhello,NULL);

//结束，释放python
Py_Finalize();
return a.exec();

}

3 test.py

#!/usr/bin/env python
def hello():
print("qt invoke python!")