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Fri Dec 2 12:15:46 HKT 2005

刚才一封邮件大概是发错地方了！
有得从头再来！
为了在我的论文中加入解释执行机器智能，我找到PYTHON，但我是个十足的门外汉。抱着PYTHON 2。1
BIBLE看了一天有了点头绪，但遇到书中每讲的内容还是手足无措，望众高人指点一二！！！

P160
基本PYTHON扩展模块――SIMPLE.c
部分代码如下：
#include "python.h"

static PyObject *simple_add(PyObject *pSelf,PyObject *pArgs)
//-------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------
P461
pself参数是NULL,除非函数实际上是在C中设置的面向PYTHON类的方法
//-------------------------------------------------这句话困惑，说中并没有明确指出该如何处理-------------------------------------------------------------------------------
我按自己的想法作出如下处理：

#include 
#include "e:\\Python24\\include\\Python.h"
#include "dll.h"
#include 
#include 
#include 

/*class Tank
        {public:
         Tank()
         forward()
         backward()
         turn(int angle)
         private:
         int angle;             //方向角
         int x,y;               //x,y坐标
         int step;              //速度
        }
*/

//------------------------------------------------------------------------------
static PyObject *tank_forward(PyObject *pSelf,PyObject *pArgs)
{int angle,x,y,step;
 PyArg_ParseTuple(pSelf,"i(ii)i",∠,&x;,&y;,&step;);
 x+=(int)(step*cos(angle));
 y+=(int)(step*sin(angle));
 return Py_BuildValue("i(ii)i",angle,x,y,step);
}
//------------------------------------------------------------------------------
static char count_doc[]="Class Tank!";
//------------------------------------------------------------------------------
static PyMethodDef tank_methods[]=
{{"forword",tank_forward,METH_VARARGS,NULL},
 {NULL,NULL,0,NULL}
};

//------------------------------------------------------------------------------
DL_EXPORT(void) inittank()    //函数名必须是init*。而*是dll文件名！
{Py_InitModule("tank",tank_methods); //"*"也必须是dll文件名！
}
//------------------------------------------------------------------------------


BOOL APIENTRY DllMain (HINSTANCE hInst     /* Library instance handle. */ ,
                       DWORD reason        /* Reason this function is being
called. */ ,
                       LPVOID reserved     /* Not used. */ )
{
    switch (reason)
    {
      case DLL_PROCESS_ATTACH:
        break;

      case DLL_PROCESS_DETACH:
        break;

      case DLL_THREAD_ATTACH:
        break;

      case DLL_THREAD_DETACH:
        break;
    }

    /* Returns TRUE on success, FALSE on failure */
    return TRUE;
}

===================================================================================================

以下是我的python脚本：

import tank

class mytank:
 "My tank!"
 def _init_(self,x=0,y=0,angle=45,step=2):
  self.x=x
  self.y=y
  self.angle=angle
  self.step=step
 def up(self):
  tank.forward()

a=mytank()
a.up()

===================================================================================================

事实上，目前为止，我还在困惑，python中的类居然可以随时添加属性。

模块是类还是对象是呢？如果我的tank模块中希望实现的是mytank类的方法，该如何实现呢？

======================我的意思是希望通过tank提供编程接口==================================================
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标题：[python-chinese] 求助：python与c合作的困惑