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Guido van Rossum 1997-05-02 03:12:38 +00:00
parent f4806c2a85
commit c0b618a2cc
18 changed files with 3152 additions and 3085 deletions
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127
Objects/moduleobject.c
View file

@ -31,153 +31,154 @@ PERFORMANCE OF THIS SOFTWARE.
/* Module object implementation */
#include "allobjects.h"
#include "ceval.h"
#include "Python.h"
typedef struct {
OB_HEAD
object *md_dict;
} moduleobject;
PyObject_HEAD
PyObject *md_dict;
} PyModuleObject;
object *
newmoduleobject(name)
PyObject *
PyModule_New(name)
char *name;
{
moduleobject *m;
object *nameobj;
m = NEWOBJ(moduleobject, &Moduletype);
PyModuleObject *m;
PyObject *nameobj;
m = PyObject_NEW(PyModuleObject, &PyModule_Type);
if (m == NULL)
return NULL;
nameobj = newstringobject(name);
m->md_dict = newdictobject();
nameobj = PyString_FromString(name);
m->md_dict = PyDict_New();
if (m->md_dict == NULL || nameobj == NULL)
goto fail;
if (dictinsert(m->md_dict, "__name__", nameobj) != 0)
if (PyDict_SetItemString(m->md_dict, "__name__", nameobj) != 0)
goto fail;
if (dictinsert(m->md_dict, "__doc__", None) != 0)
if (PyDict_SetItemString(m->md_dict, "__doc__", Py_None) != 0)
goto fail;
DECREF(nameobj);
return (object *)m;
Py_DECREF(nameobj);
return (PyObject *)m;
fail:
XDECREF(nameobj);
DECREF(m);
Py_XDECREF(nameobj);
Py_DECREF(m);
return NULL;
}
object *
getmoduledict(m)
object *m;
PyObject *
PyModule_GetDict(m)
PyObject *m;
{
if (!is_moduleobject(m)) {
err_badcall();
if (!PyModule_Check(m)) {
PyErr_BadInternalCall();
return NULL;
}
return ((moduleobject *)m) -> md_dict;
return ((PyModuleObject *)m) -> md_dict;
}
char *
getmodulename(m)
object *m;
PyModule_GetName(m)
PyObject *m;
{
object *nameobj;
if (!is_moduleobject(m)) {
err_badarg();
PyObject *nameobj;
if (!PyModule_Check(m)) {
PyErr_BadArgument();
return NULL;
}
nameobj = dictlookup(((moduleobject *)m)->md_dict, "__name__");
if (nameobj == NULL || !is_stringobject(nameobj)) {
err_setstr(SystemError, "nameless module");
nameobj = PyDict_GetItemString(((PyModuleObject *)m)->md_dict,
"__name__");
if (nameobj == NULL || !PyString_Check(nameobj)) {
PyErr_SetString(PyExc_SystemError, "nameless module");
return NULL;
}
return getstringvalue(nameobj);
return PyString_AsString(nameobj);
}
/* Methods */
static void
module_dealloc(m)
moduleobject *m;
PyModuleObject *m;
{
if (m->md_dict != NULL) {
mappingclear(m->md_dict);
DECREF(m->md_dict);
PyDict_Clear(m->md_dict);
Py_DECREF(m->md_dict);
}
free((char *)m);
}
static object *
static PyObject *
module_repr(m)
moduleobject *m;
PyModuleObject *m;
{
char buf[100];
char *name = getmodulename((object *)m);
char *name = PyModule_GetName((PyObject *)m);
if (name == NULL) {
err_clear();
PyErr_Clear();
name = "?";
}
sprintf(buf, "<module '%.80s'>", name);
return newstringobject(buf);
return PyString_FromString(buf);
}
static object *
static PyObject *
module_getattr(m, name)
moduleobject *m;
PyModuleObject *m;
char *name;
{
object *res;
PyObject *res;
if (strcmp(name, "__dict__") == 0) {
INCREF(m->md_dict);
Py_INCREF(m->md_dict);
return m->md_dict;
}
res = dictlookup(m->md_dict, name);
res = PyDict_GetItemString(m->md_dict, name);
if (res == NULL)
err_setstr(AttributeError, name);
PyErr_SetString(PyExc_AttributeError, name);
else {
#ifdef SUPPORT_OBSOLETE_ACCESS
if (is_accessobject(res))
res = getaccessvalue(res, getglobals());
if (PyAccess_Check(res))
res = PyAccess_AsValue(res, PyEval_GetGlobals());
else
#endif
INCREF(res);
Py_INCREF(res);
}
return res;
}
static int
module_setattr(m, name, v)
moduleobject *m;
PyModuleObject *m;
char *name;
object *v;
PyObject *v;
{
#ifdef SUPPORT_OBSOLETE_ACCESS
object *ac;
PyObject *ac;
#endif
if (name[0] == '_' && strcmp(name, "__dict__") == 0) {
err_setstr(TypeError, "read-only special attribute");
PyErr_SetString(PyExc_TypeError,
"read-only special attribute");
return -1;
}
#ifdef SUPPORT_OBSOLETE_ACCESS
ac = dictlookup(m->md_dict, name);
if (ac != NULL && is_accessobject(ac))
return setaccessvalue(ac, getglobals(), v);
ac = PyDict_GetItemString(m->md_dict, name);
if (ac != NULL && PyAccess_Check(ac))
return PyAccess_SetValue(ac, PyEval_GetGlobals(), v);
#endif
if (v == NULL) {
int rv = dictremove(m->md_dict, name);
int rv = PyDict_DelItemString(m->md_dict, name);
if (rv < 0)
err_setstr(AttributeError,
PyErr_SetString(PyExc_AttributeError,
"delete non-existing module attribute");
return rv;
}
else
return dictinsert(m->md_dict, name, v);
return PyDict_SetItemString(m->md_dict, name, v);
}
typeobject Moduletype = {
OB_HEAD_INIT(&Typetype)
PyTypeObject PyModule_Type = {
PyObject_HEAD_INIT(&PyType_Type)
0, /*ob_size*/
"module", /*tp_name*/
sizeof(moduleobject), /*tp_size*/
sizeof(PyModuleObject), /*tp_size*/
0, /*tp_itemsize*/
(destructor)module_dealloc, /*tp_dealloc*/
0, /*tp_print*/