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Backported fix for bug #1392 from py3k branch r58903.

This commit is contained in:
Christian Heimes 2007-11-07 17:50:54 +00:00
parent 90b858e1b3
commit cea681be19
1 changed files with 19 additions and 1 deletions
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20
Python/import.c
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@ -2978,6 +2978,7 @@ static int
NullImporter_init(NullImporter *self, PyObject *args, PyObject *kwds)
{
char *path;
Py_ssize_t pathlen;
if (!_PyArg_NoKeywords("NullImporter()", kwds))
return -1;
@ -2986,7 +2987,8 @@ NullImporter_init(NullImporter *self, PyObject *args, PyObject *kwds)
&path))
return -1;
if (strlen(path) == 0) {
pathlen = strlen(path);
if (pathlen == 0) {
PyErr_SetString(PyExc_ImportError, "empty pathname");
return -1;
} else {
@ -2994,7 +2996,23 @@ NullImporter_init(NullImporter *self, PyObject *args, PyObject *kwds)
struct stat statbuf;
int rv;
#ifdef MS_WINDOWS
/* MS Windows' stat chokes on paths like C:\\path\\. Try to
* recover *one* time by stripping of a trailing slash or
* back slash. http://bugs.python.org/issue1293
*/
rv = stat(path, &statbuf);
if (rv != 0 && pathlen <= MAXPATHLEN &&
(path[pathlen-1] == '/' || path[pathlen-1] == '\\')) {
char mangled[MAXPATHLEN+1];
strcpy(mangled, path);
mangled[pathlen-1] = '\0';
rv = stat(mangled, &statbuf);
}
#else
rv = stat(path, &statbuf);
#endif
if (rv == 0) {
/* it exists */
if (S_ISDIR(statbuf.st_mode)) {