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c如何調(diào)用python界面
在C語言中調(diào)用Python界面,可以使用Python的C API,Python提供了一套C API,可以讓開發(fā)者在C程序中嵌入Python代碼,或者在C程序中調(diào)用Python函數(shù),以下是詳細的技術(shù)教學:

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1、安裝Python和開發(fā)庫
確保你的計算機上已經(jīng)安裝了Python,需要安裝Python的開發(fā)庫,在Linux系統(tǒng)中,可以使用以下命令安裝:
sudo aptget install pythondev
在Windows系統(tǒng)中,可以從Python官網(wǎng)下載并安裝Python開發(fā)庫。
2、編寫C程序
創(chuàng)建一個名為call_python.c的C文件,并在其中編寫以下代碼:
#includeint main(int argc, char *argv[]) { // 初始化Python解釋器 Py_Initialize(); // 導入Python模塊 PyObject *pName = PyUnicode_FromString("your_python_module"); // 替換為你的Python模塊名 PyObject *pModule = PyImport_Import(pName); Py_DECREF(pName); if (pModule != NULL) { // 獲取Python模塊中的函數(shù)或類 PyObject *pFunc = PyObject_GetAttrString(pModule, "your_function_or_class"); // 替換為你的函數(shù)或類名 if (pFunc && PyCallable_Check(pFunc)) { // 調(diào)用Python函數(shù)或類,并獲取返回值 PyObject *pResult = PyObject_CallObject(pFunc, NULL); if (pResult != NULL) { printf("Result of calling Python function or class: %ld ", PyLong_AsLong(pResult)); Py_DECREF(pResult); } else { PyErr_Print(); } } else { if (PyErr_Occurred()) { PyErr_Print(); } fprintf(stderr, "Cannot find function or class "); } Py_XDECREF(pFunc); Py_DECREF(pModule); } else { PyErr_Print(); fprintf(stderr, "Failed to load Python module "); } // 關(guān)閉Python解釋器 Py_FinalizeEx(); return 0; }
3、編譯C程序
使用以下命令編譯C程序:
gcc call_python.c o call_python I/usr/include/python3.x lpython3.xm lpthread ldl lutil lm Wl,rpath,/usr/lib/python3.x/config3.xamd64 lpython3.x lboost_system L/usr/lib/python3.x/config3.xamd64 Wl,rpath,/usr/lib/python3.x/config3.xamd64 lpython3.x lboost_filesystem L/usr/lib/python3.x/config3.xamd64 Wl,rpath,/usr/lib/python3.x/config3.xamd64 lpython3.x lboost_iostreams L/usr/lib/python3.x/config3.xamd64 Wl,rpath,/usr/lib/python3.x/config3.xamd64 lpython3.x lboost_regex L/usr/lib/python3.x/config3.xamd64 Wl,rpath,/usr/lib/python3.x/config3.xamd64 lpython3.x ldl lutil lm Wl,rpath,/home/user/anaconda3/envs/py38/lib Wl,enablenewdtags Wl,excludelibs=ALL Wl,stripall Wl,noasneeded Wl,warnunusedcommandlineargument Wl,buildid Wl,hashstyle=both Wl,enablestd=c99 Wl,disablenls Wl,enableshared Wl,enablethreads Wl,withsystemroot /usr Wl,withoutheaders /home/user/anaconda3/envs/py38/include /home/user/anaconda3/envs/py38/lib /usr/lib /usr/local/lib /home/user/anaconda3/envs/py38/lib /home/user/anaconda3/envs/py38/include /usr/include /home/user/anaconda3/envs/py38/lib /home/user/anaconda3/envs/py38/include /home/user/anaconda3/envs/py38/lib /home/user/anaconda3/envs/py38/include /home/user/anaconda3/envs/py38/lib /home/user/anaconda3`
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