/* Class object interface */ /* Revealing some structures (not for general use) */ #ifndef Py_CLASSOBJECT_H#define Py_CLASSOBJECT_H#ifdef __cplusplusextern "C" {#endif typedef struct {    PyObject_HEAD    PyObject	*cl_bases;	/* A tuple of class objects */    PyObject	*cl_dict;	/* A dictionary */    PyObject	*cl_name;	/* A string */    /* The following three are functions or NULL */    PyObject	*cl_getattr;    PyObject	*cl_setattr;    PyObject	*cl_delattr;} PyClassObject; typedef struct {    PyObject_HEAD    PyClassObject *in_class;	/* The class object */    PyObject	  *in_dict;	/* A dictionary */    PyObject	  *in_weakreflist; /* List of weak references */} PyInstanceObject; typedef struct {    PyObject_HEAD    PyObject *im_func;   /* The callable object implementing the method */    PyObject *im_self;   /* The instance it is bound to, or NULL */    PyObject *im_class;  /* The class that asked for the method */    PyObject *im_weakreflist; /* List of weak references */} PyMethodObject; PyAPI_DATA(PyTypeObject) PyClass_Type, PyInstance_Type, PyMethod_Type; #define PyClass_Check(op) ((op)->ob_type == &PyClass_Type)#define PyInstance_Check(op) ((op)->ob_type == &PyInstance_Type)#define PyMethod_Check(op) ((op)->ob_type == &PyMethod_Type) PyAPI_FUNC(PyObject *) PyClass_New(PyObject *, PyObject *, PyObject *);PyAPI_FUNC(PyObject *) PyInstance_New(PyObject *, PyObject *,                                            PyObject *);PyAPI_FUNC(PyObject *) PyInstance_NewRaw(PyObject *, PyObject *);PyAPI_FUNC(PyObject *) PyMethod_New(PyObject *, PyObject *, PyObject *); PyAPI_FUNC(PyObject *) PyMethod_Function(PyObject *);PyAPI_FUNC(PyObject *) PyMethod_Self(PyObject *);PyAPI_FUNC(PyObject *) PyMethod_Class(PyObject *); /* Look up attribute with name (a string) on instance object pinst, using * only the instance and base class dicts.  If a descriptor is found in * a class dict, the descriptor is returned without calling it. * Returns NULL if nothing found, else a borrowed reference to the * value associated with name in the dict in which name was found. * The point of this routine is that it never calls arbitrary Python * code, so is always "safe":  all it does is dict lookups.  The function * can't fail, never sets an exception, and NULL is not an error (it just * means "not found"). */PyAPI_FUNC(PyObject *) _PyInstance_Lookup(PyObject *pinst, PyObject *name); /* Macros for direct access to these values. Type checks are *not*   done, so use with care. */#define PyMethod_GET_FUNCTION(meth) \        (((PyMethodObject *)meth) -> im_func)#define PyMethod_GET_SELF(meth) \	(((PyMethodObject *)meth) -> im_self)#define PyMethod_GET_CLASS(meth) \	(((PyMethodObject *)meth) -> im_class) PyAPI_FUNC(int) PyClass_IsSubclass(PyObject *, PyObject *);  #ifdef __cplusplus}#endif#endif /* !Py_CLASSOBJECT_H */