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Don't decode/recode the unicode filename in SyntaxError_str()

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* Rewrite my_basename() to use unicode
 * Use '%U' format
This commit is contained in:
Victor Stinner 2010-04-28 17:26:19 +00:00
parent 003a5e702b
commit 6237daf8c5
1 changed files with 32 additions and 18 deletions
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50
Objects/exceptions.c
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@ -959,20 +959,27 @@ SyntaxError_traverse(PySyntaxErrorObject *self, visitproc visit, void *arg)
/* This is called "my_basename" instead of just "basename" to avoid name /* This is called "my_basename" instead of just "basename" to avoid name
conflicts with glibc; basename is already prototyped if _GNU_SOURCE is conflicts with glibc; basename is already prototyped if _GNU_SOURCE is
defined, and Python does define that. */ defined, and Python does define that. */
static char * static PyObject*
my_basename(char *name) my_basename(PyObject *name)
{ {
char *cp = name; Py_UNICODE *unicode;
char *result = name; Py_ssize_t i, size, offset;
if (name == NULL) unicode = PyUnicode_AS_UNICODE(name);
return "???"; size = PyUnicode_GET_SIZE(name);
while (*cp != '\0') { offset = 0;
if (*cp == SEP) for(i=0; i < size; i++) {
result = cp + 1; if (unicode[i] == SEP)
++cp; offset = i + 1;
}
if (offset != 0) {
return PyUnicode_FromUnicode(
PyUnicode_AS_UNICODE(name) + offset,
size - offset);
} else {
Py_INCREF(name);
return name;
} }
return result;
} }
@ -980,7 +987,8 @@ static PyObject *
SyntaxError_str(PySyntaxErrorObject *self) SyntaxError_str(PySyntaxErrorObject *self)
{ {
int have_lineno = 0; int have_lineno = 0;
char *filename = 0; PyObject *filename;
PyObject *result;
/* Below, we always ignore overflow errors, just printing -1. /* Below, we always ignore overflow errors, just printing -1.
Still, we cannot allow an OverflowError to be raised, so Still, we cannot allow an OverflowError to be raised, so
we need to call PyLong_AsLongAndOverflow. */ we need to call PyLong_AsLongAndOverflow. */
@ -990,7 +998,11 @@ SyntaxError_str(PySyntaxErrorObject *self)
lineno here */ lineno here */
if (self->filename && PyUnicode_Check(self->filename)) { if (self->filename && PyUnicode_Check(self->filename)) {
filename = _PyUnicode_AsString(self->filename); filename = my_basename(self->filename);
if (filename == NULL)
return NULL;
} else {
filename = NULL;
} }
have_lineno = (self->lineno != NULL) && PyLong_CheckExact(self->lineno); have_lineno = (self->lineno != NULL) && PyLong_CheckExact(self->lineno);
@ -998,18 +1010,20 @@ SyntaxError_str(PySyntaxErrorObject *self)
return PyObject_Str(self->msg ? self->msg : Py_None); return PyObject_Str(self->msg ? self->msg : Py_None);
if (filename && have_lineno) if (filename && have_lineno)
return PyUnicode_FromFormat("%S (%s, line %ld)", result = PyUnicode_FromFormat("%S (%U, line %ld)",
self->msg ? self->msg : Py_None, self->msg ? self->msg : Py_None,
my_basename(filename), filename,
PyLong_AsLongAndOverflow(self->lineno, &overflow)); PyLong_AsLongAndOverflow(self->lineno, &overflow));
else if (filename) else if (filename)
return PyUnicode_FromFormat("%S (%s)", result = PyUnicode_FromFormat("%S (%U)",
self->msg ? self->msg : Py_None, self->msg ? self->msg : Py_None,
my_basename(filename)); filename);
else /* only have_lineno */ else /* only have_lineno */
return PyUnicode_FromFormat("%S (line %ld)", result = PyUnicode_FromFormat("%S (line %ld)",
self->msg ? self->msg : Py_None, self->msg ? self->msg : Py_None,
PyLong_AsLongAndOverflow(self->lineno, &overflow)); PyLong_AsLongAndOverflow(self->lineno, &overflow));
Py_XDECREF(filename);
return result;
} }
static PyMemberDef SyntaxError_members[] = { static PyMemberDef SyntaxError_members[] = {