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Fix exception handling for non-PyFunction objects, SF bug 414743. 

Fix based on patch #414750 by Michael Hudson.

New functions get_func_name() and get_func_desc() return reasonable
names and descriptions for all objects.  XXX Even objects that aren't
actually callable.
This commit is contained in:
Jeremy Hylton 2001-04-11 13:52:29 +00:00
parent 7667680d70
commit 512a237725
1 changed files with 54 additions and 16 deletions
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70
Python/ceval.c
View File

@ -40,6 +40,8 @@ static PyObject *eval_code2(PyCodeObject *,
PyObject **, int,
PyObject *);
static char *get_func_name(PyObject *);
static char *get_func_desc(PyObject *);
static PyObject *call_object(PyObject *, PyObject *, PyObject *);
static PyObject *call_cfunction(PyObject *, PyObject *, PyObject *);
static PyObject *call_instance(PyObject *, PyObject *, PyObject *);
@ -2741,6 +2743,43 @@ PyEval_CallObjectWithKeywords(PyObject *func, PyObject *arg, PyObject *kw)
most common, but not by such a large margin.
*/
static char *
get_func_name(PyObject *func)
{
if (PyMethod_Check(func))
return get_func_name(PyMethod_GET_FUNCTION(func));
else if (PyFunction_Check(func))
return PyString_AsString(((PyFunctionObject*)func)->func_name);
else if (PyCFunction_Check(func))
return ((PyCFunctionObject*)func)->m_ml->ml_name;
else if (PyClass_Check(func))
return PyString_AsString(((PyClassObject*)func)->cl_name);
else if (PyInstance_Check(func)) {
return PyString_AsString(
((PyInstanceObject*)func)->in_class->cl_name);
} else {
return func->ob_type->tp_name;
}
}
static char *
get_func_desc(PyObject *func)
{
if (PyMethod_Check(func))
return "()";
else if (PyFunction_Check(func))
return "()";
else if (PyCFunction_Check(func))
return "()";
else if (PyClass_Check(func))
return " constructor";
else if (PyInstance_Check(func)) {
return " instance";
} else {
return " object";
}
}
static PyObject *
call_object(PyObject *func, PyObject *arg, PyObject *kw)
{
@ -2992,12 +3031,12 @@ update_keyword_args(PyObject *orig_kwdict, int nk, PyObject ***pp_stack,
PyObject *value = EXT_POP(*pp_stack);
PyObject *key = EXT_POP(*pp_stack);
if (PyDict_GetItem(kwdict, key) != NULL) {
PyObject* fn = ((PyFunctionObject*) func)->func_name;
PyErr_Format(PyExc_TypeError,
"%.200s%s got multiple values "
"for keyword argument '%.400s'",
fn ? PyString_AsString(fn) : "function",
fn ? "()" : "", PyString_AsString(key));
"for keyword argument '%.200s'",
get_func_name(func),
get_func_desc(func),
PyString_AsString(key));
Py_DECREF(key);
Py_DECREF(value);
Py_DECREF(kwdict);
@ -3088,11 +3127,11 @@ ext_do_call(PyObject *func, PyObject ***pp_stack, int flags, int na, int nk)
if (flags & CALL_FLAG_KW) {
kwdict = EXT_POP(*pp_stack);
if (!(kwdict && PyDict_Check(kwdict))) {
PyObject* fn = ((PyFunctionObject*) func)->func_name;
PyErr_Format(PyExc_TypeError,
"%s%s argument after ** must be a dictionary",
fn ? PyString_AsString(fn) : "function",
fn ? "()" : "");
"%s%s argument after ** "
"must be a dictionary",
get_func_name(func),
get_func_desc(func));
goto ext_call_fail;
}
}
@ -3102,14 +3141,13 @@ ext_do_call(PyObject *func, PyObject ***pp_stack, int flags, int na, int nk)
PyObject *t = NULL;
t = PySequence_Tuple(stararg);
if (t == NULL) {
if (PyErr_ExceptionMatches(PyExc_TypeError)) {
PyObject* fn =
((PyFunctionObject*) func)->func_name;
PyErr_Format(PyExc_TypeError,
"%s%s argument after * must be a sequence",
fn ? PyString_AsString(fn) : "function",
fn ? "()" : "");
}
if (PyErr_ExceptionMatches(PyExc_TypeError)) {
PyErr_Format(PyExc_TypeError,
"%s%s argument after * "
"must be a sequence",
get_func_name(func),
get_func_desc(func));
}
goto ext_call_fail;
}
Py_DECREF(stararg);