pyutil.cpp

Python是一种简单易学

// pyUtil.cpp : 定义 DLL 应用程序的入口点。
//
#ifdef PYUTIL_EXPORTS
#define PYUTIL_API __declspec(dllexport)
#else
#define PYUTIL_API __declspec(dllimport)
#endif

#include<windows.h>
#include<string>
#include<Python.h>

BOOL APIENTRY DllMain( HANDLE hModule, 
                       DWORD  ul_reason_for_call, 
                       LPVOID lpReserved
					 )
{
	switch (ul_reason_for_call)
	{
	case DLL_PROCESS_ATTACH:
	case DLL_THREAD_ATTACH:
	case DLL_THREAD_DETACH:
	case DLL_PROCESS_DETACH:
		break;
	}
    return TRUE;
}


std::string Recognise_Img(const std::string url)
{

	// 返回结果
	return "从dll中返回的数据... : " +url;
}

static PyObject* Recognise(PyObject *self, PyObject *args)
{
    const char *url;
	std::string sts;

    if (!PyArg_ParseTuple(args, "s", &url))
        return NULL;
    sts = Recognise_Img(url);
    return Py_BuildValue("s", sts.c_str() );
}


static PyMethodDef AllMyMethods[] = {
    {"Recognise",  Recognise, METH_VARARGS},
    {NULL,      NULL}        /* Sentinel */
};

extern "C" PYUTIL_API void initpyUtil()
{
    PyObject *m, *d;
    m = Py_InitModule("pyUtil", AllMyMethods);
    d = PyModule_GetDict(m);
}