#if defined(MS_WINDOWS)
-PyDoc_STRVAR(os__path_isdir__doc__,
-"_path_isdir($module, /, s)\n"
+PyDoc_STRVAR(os__path_exists__doc__,
+"_path_exists($module, path, /)\n"
"--\n"
"\n"
-"Return true if the pathname refers to an existing directory.");
+"Test whether a path exists. Returns False for broken symbolic links.");
-#define OS__PATH_ISDIR_METHODDEF \
- {"_path_isdir", _PyCFunction_CAST(os__path_isdir), METH_FASTCALL|METH_KEYWORDS, os__path_isdir__doc__},
+#define OS__PATH_EXISTS_METHODDEF \
+ {"_path_exists", (PyCFunction)os__path_exists, METH_O, os__path_exists__doc__},
-static PyObject *
-os__path_isdir_impl(PyObject *module, PyObject *s);
+static int
+os__path_exists_impl(PyObject *module, PyObject *path);
static PyObject *
-os__path_isdir(PyObject *module, PyObject *const *args, Py_ssize_t nargs, PyObject *kwnames)
+os__path_exists(PyObject *module, PyObject *path)
{
PyObject *return_value = NULL;
- #if defined(Py_BUILD_CORE) && !defined(Py_BUILD_CORE_MODULE)
-
- #define NUM_KEYWORDS 1
- static struct {
- PyGC_Head _this_is_not_used;
- PyObject_VAR_HEAD
- PyObject *ob_item[NUM_KEYWORDS];
- } _kwtuple = {
- .ob_base = PyVarObject_HEAD_INIT(&PyTuple_Type, NUM_KEYWORDS)
- .ob_item = { &_Py_ID(s), },
- };
- #undef NUM_KEYWORDS
- #define KWTUPLE (&_kwtuple.ob_base.ob_base)
-
- #else // !Py_BUILD_CORE
- # define KWTUPLE NULL
- #endif // !Py_BUILD_CORE
-
- static const char * const _keywords[] = {"s", NULL};
- static _PyArg_Parser _parser = {
- .keywords = _keywords,
- .fname = "_path_isdir",
- .kwtuple = KWTUPLE,
- };
- #undef KWTUPLE
- PyObject *argsbuf[1];
- PyObject *s;
+ int _return_value;
- args = _PyArg_UnpackKeywords(args, nargs, NULL, kwnames, &_parser, 1, 1, 0, argsbuf);
- if (!args) {
+ _return_value = os__path_exists_impl(module, path);
+ if ((_return_value == -1) && PyErr_Occurred()) {
goto exit;
}
- s = args[0];
- return_value = os__path_isdir_impl(module, s);
+ return_value = PyBool_FromLong((long)_return_value);
exit:
return return_value;
#if defined(MS_WINDOWS)
-PyDoc_STRVAR(os__path_isfile__doc__,
-"_path_isfile($module, /, path)\n"
+PyDoc_STRVAR(os__path_isdir__doc__,
+"_path_isdir($module, /, s)\n"
"--\n"
"\n"
-"Test whether a path is a regular file");
+"Return true if the pathname refers to an existing directory.");
-#define OS__PATH_ISFILE_METHODDEF \
- {"_path_isfile", _PyCFunction_CAST(os__path_isfile), METH_FASTCALL|METH_KEYWORDS, os__path_isfile__doc__},
+#define OS__PATH_ISDIR_METHODDEF \
+ {"_path_isdir", _PyCFunction_CAST(os__path_isdir), METH_FASTCALL|METH_KEYWORDS, os__path_isdir__doc__},
-static PyObject *
-os__path_isfile_impl(PyObject *module, PyObject *path);
+static int
+os__path_isdir_impl(PyObject *module, PyObject *path);
static PyObject *
-os__path_isfile(PyObject *module, PyObject *const *args, Py_ssize_t nargs, PyObject *kwnames)
+os__path_isdir(PyObject *module, PyObject *const *args, Py_ssize_t nargs, PyObject *kwnames)
{
PyObject *return_value = NULL;
#if defined(Py_BUILD_CORE) && !defined(Py_BUILD_CORE_MODULE)
PyObject *ob_item[NUM_KEYWORDS];
} _kwtuple = {
.ob_base = PyVarObject_HEAD_INIT(&PyTuple_Type, NUM_KEYWORDS)
- .ob_item = { &_Py_ID(path), },
+ .ob_item = { &_Py_ID(s), },
};
#undef NUM_KEYWORDS
#define KWTUPLE (&_kwtuple.ob_base.ob_base)
# define KWTUPLE NULL
#endif // !Py_BUILD_CORE
- static const char * const _keywords[] = {"path", NULL};
+ static const char * const _keywords[] = {"s", NULL};
static _PyArg_Parser _parser = {
.keywords = _keywords,
- .fname = "_path_isfile",
+ .fname = "_path_isdir",
.kwtuple = KWTUPLE,
};
#undef KWTUPLE
PyObject *argsbuf[1];
PyObject *path;
+ int _return_value;
args = _PyArg_UnpackKeywords(args, nargs, NULL, kwnames, &_parser, 1, 1, 0, argsbuf);
if (!args) {
goto exit;
}
path = args[0];
- return_value = os__path_isfile_impl(module, path);
+ _return_value = os__path_isdir_impl(module, path);
+ if ((_return_value == -1) && PyErr_Occurred()) {
+ goto exit;
+ }
+ return_value = PyBool_FromLong((long)_return_value);
exit:
return return_value;
#if defined(MS_WINDOWS)
-PyDoc_STRVAR(os__path_exists__doc__,
-"_path_exists($module, /, path)\n"
+PyDoc_STRVAR(os__path_isfile__doc__,
+"_path_isfile($module, /, path)\n"
"--\n"
"\n"
-"Test whether a path exists. Returns False for broken symbolic links");
+"Test whether a path is a regular file");
-#define OS__PATH_EXISTS_METHODDEF \
- {"_path_exists", _PyCFunction_CAST(os__path_exists), METH_FASTCALL|METH_KEYWORDS, os__path_exists__doc__},
+#define OS__PATH_ISFILE_METHODDEF \
+ {"_path_isfile", _PyCFunction_CAST(os__path_isfile), METH_FASTCALL|METH_KEYWORDS, os__path_isfile__doc__},
-static PyObject *
-os__path_exists_impl(PyObject *module, PyObject *path);
+static int
+os__path_isfile_impl(PyObject *module, PyObject *path);
static PyObject *
-os__path_exists(PyObject *module, PyObject *const *args, Py_ssize_t nargs, PyObject *kwnames)
+os__path_isfile(PyObject *module, PyObject *const *args, Py_ssize_t nargs, PyObject *kwnames)
{
PyObject *return_value = NULL;
#if defined(Py_BUILD_CORE) && !defined(Py_BUILD_CORE_MODULE)
static const char * const _keywords[] = {"path", NULL};
static _PyArg_Parser _parser = {
.keywords = _keywords,
- .fname = "_path_exists",
+ .fname = "_path_isfile",
.kwtuple = KWTUPLE,
};
#undef KWTUPLE
PyObject *argsbuf[1];
PyObject *path;
+ int _return_value;
args = _PyArg_UnpackKeywords(args, nargs, NULL, kwnames, &_parser, 1, 1, 0, argsbuf);
if (!args) {
goto exit;
}
path = args[0];
- return_value = os__path_exists_impl(module, path);
+ _return_value = os__path_isfile_impl(module, path);
+ if ((_return_value == -1) && PyErr_Occurred()) {
+ goto exit;
+ }
+ return_value = PyBool_FromLong((long)_return_value);
exit:
return return_value;
#define OS__PATH_ISLINK_METHODDEF \
{"_path_islink", _PyCFunction_CAST(os__path_islink), METH_FASTCALL|METH_KEYWORDS, os__path_islink__doc__},
-static PyObject *
+static int
os__path_islink_impl(PyObject *module, PyObject *path);
static PyObject *
#undef KWTUPLE
PyObject *argsbuf[1];
PyObject *path;
+ int _return_value;
args = _PyArg_UnpackKeywords(args, nargs, NULL, kwnames, &_parser, 1, 1, 0, argsbuf);
if (!args) {
goto exit;
}
path = args[0];
- return_value = os__path_islink_impl(module, path);
+ _return_value = os__path_islink_impl(module, path);
+ if ((_return_value == -1) && PyErr_Occurred()) {
+ goto exit;
+ }
+ return_value = PyBool_FromLong((long)_return_value);
exit:
return return_value;
#define OS__PATH_SPLITROOT_METHODDEF
#endif /* !defined(OS__PATH_SPLITROOT_METHODDEF) */
+#ifndef OS__PATH_EXISTS_METHODDEF
+ #define OS__PATH_EXISTS_METHODDEF
+#endif /* !defined(OS__PATH_EXISTS_METHODDEF) */
+
#ifndef OS__PATH_ISDIR_METHODDEF
#define OS__PATH_ISDIR_METHODDEF
#endif /* !defined(OS__PATH_ISDIR_METHODDEF) */
#define OS__PATH_ISFILE_METHODDEF
#endif /* !defined(OS__PATH_ISFILE_METHODDEF) */
-#ifndef OS__PATH_EXISTS_METHODDEF
- #define OS__PATH_EXISTS_METHODDEF
-#endif /* !defined(OS__PATH_EXISTS_METHODDEF) */
-
#ifndef OS__PATH_ISLINK_METHODDEF
#define OS__PATH_ISLINK_METHODDEF
#endif /* !defined(OS__PATH_ISLINK_METHODDEF) */
#ifndef OS_WAITSTATUS_TO_EXITCODE_METHODDEF
#define OS_WAITSTATUS_TO_EXITCODE_METHODDEF
#endif /* !defined(OS_WAITSTATUS_TO_EXITCODE_METHODDEF) */
-/*[clinic end generated code: output=56e83d6b7cac0d58 input=a9049054013a1b77]*/
+/*[clinic end generated code: output=46e87bace3cc07b6 input=a9049054013a1b77]*/
}
-/*[clinic input]
-os._path_isdir
-
- s: 'O'
+#define PY_IFREG 1 // Regular file
+#define PY_IFDIR 2 // Directory
+#define PY_IFLNK 4 // Symlink
+#define PY_IFMNT 8 // Mount Point (junction)
+#define PY_IFLRP 16 // Link Reparse Point (name-surrogate, symlink, junction)
+#define PY_IFRRP 32 // Regular Reparse Point
+
+static inline BOOL
+_testInfo(DWORD attributes, DWORD reparseTag, BOOL diskDevice, int testedType)
+{
+ switch (testedType) {
+ case PY_IFREG:
+ return diskDevice && attributes &&
+ !(attributes & FILE_ATTRIBUTE_DIRECTORY);
+ case PY_IFDIR:
+ return attributes & FILE_ATTRIBUTE_DIRECTORY;
+ case PY_IFLNK:
+ return (attributes & FILE_ATTRIBUTE_REPARSE_POINT) &&
+ reparseTag == IO_REPARSE_TAG_SYMLINK;
+ case PY_IFMNT:
+ return (attributes & FILE_ATTRIBUTE_REPARSE_POINT) &&
+ reparseTag == IO_REPARSE_TAG_MOUNT_POINT;
+ case PY_IFLRP:
+ return (attributes & FILE_ATTRIBUTE_REPARSE_POINT) &&
+ IsReparseTagNameSurrogate(reparseTag);
+ case PY_IFRRP:
+ return (attributes & FILE_ATTRIBUTE_REPARSE_POINT) &&
+ reparseTag && !IsReparseTagNameSurrogate(reparseTag);
+ }
+
+ return FALSE;
+}
-Return true if the pathname refers to an existing directory.
+static BOOL
+_testFileTypeByHandle(HANDLE hfile, int testedType, BOOL diskOnly)
+{
+ assert(testedType == PY_IFREG || testedType == PY_IFDIR ||
+ testedType == PY_IFLNK || testedType == PY_IFMNT ||
+ testedType == PY_IFLRP || testedType == PY_IFRRP);
-[clinic start generated code]*/
+ BOOL diskDevice = GetFileType(hfile) == FILE_TYPE_DISK;
+ if (diskOnly && !diskDevice) {
+ return FALSE;
+ }
+ if (testedType != PY_IFREG && testedType != PY_IFDIR) {
+ FILE_ATTRIBUTE_TAG_INFO info;
+ return GetFileInformationByHandleEx(hfile, FileAttributeTagInfo, &info,
+ sizeof(info)) &&
+ _testInfo(info.FileAttributes, info.ReparseTag, diskDevice,
+ testedType);
+ }
+ FILE_BASIC_INFO info;
+ return GetFileInformationByHandleEx(hfile, FileBasicInfo, &info,
+ sizeof(info)) &&
+ _testInfo(info.FileAttributes, 0, diskDevice, testedType);
+}
-static PyObject *
-os__path_isdir_impl(PyObject *module, PyObject *s)
-/*[clinic end generated code: output=9d87ab3c8b8a4e61 input=c17f7ef21d22d64e]*/
+static BOOL
+_testFileTypeByName(LPCWSTR path, int testedType)
{
- HANDLE hfile;
- BOOL close_file = TRUE;
- FILE_BASIC_INFO info;
- path_t _path = PATH_T_INITIALIZE("isdir", "s", 0, 1);
- int result;
- BOOL slow_path = TRUE;
- FILE_STAT_BASIC_INFORMATION statInfo;
+ assert(testedType == PY_IFREG || testedType == PY_IFDIR ||
+ testedType == PY_IFLNK || testedType == PY_IFMNT ||
+ testedType == PY_IFLRP || testedType == PY_IFRRP);
- if (!path_converter(s, &_path)) {
- path_cleanup(&_path);
- if (PyErr_ExceptionMatches(PyExc_ValueError)) {
- PyErr_Clear();
- Py_RETURN_FALSE;
+ FILE_STAT_BASIC_INFORMATION info;
+ if (_Py_GetFileInformationByName(path, FileStatBasicByNameInfo, &info,
+ sizeof(info)))
+ {
+ BOOL diskDevice = info.DeviceType == FILE_DEVICE_DISK ||
+ info.DeviceType == FILE_DEVICE_VIRTUAL_DISK ||
+ info.DeviceType == FILE_DEVICE_CD_ROM;
+ BOOL result = _testInfo(info.FileAttributes, info.ReparseTag,
+ diskDevice, testedType);
+ if (!result || (testedType != PY_IFREG && testedType != PY_IFDIR) ||
+ !(info.FileAttributes & FILE_ATTRIBUTE_REPARSE_POINT))
+ {
+ return result;
}
- return NULL;
+ }
+ else if (_Py_GetFileInformationByName_ErrorIsTrustworthy(
+ GetLastError()))
+ {
+ return FALSE;
}
- Py_BEGIN_ALLOW_THREADS
- if (_path.wide) {
- if (_Py_GetFileInformationByName(_path.wide, FileStatBasicByNameInfo,
- &statInfo, sizeof(statInfo))) {
- if (!(statInfo.FileAttributes & FILE_ATTRIBUTE_REPARSE_POINT)) {
- slow_path = FALSE;
- result = statInfo.FileAttributes & FILE_ATTRIBUTE_DIRECTORY;
- } else if (!(statInfo.FileAttributes & FILE_ATTRIBUTE_DIRECTORY)) {
- slow_path = FALSE;
- result = 0;
- }
- } else if (_Py_GetFileInformationByName_ErrorIsTrustworthy(GetLastError())) {
- slow_path = FALSE;
- result = 0;
- }
+ DWORD flags = FILE_FLAG_BACKUP_SEMANTICS;
+ if (testedType != PY_IFREG && testedType != PY_IFDIR) {
+ flags |= FILE_FLAG_OPEN_REPARSE_POINT;
}
- if (slow_path) {
- if (_path.fd != -1) {
- hfile = _Py_get_osfhandle_noraise(_path.fd);
- close_file = FALSE;
+ HANDLE hfile = CreateFileW(path, FILE_READ_ATTRIBUTES, 0, NULL,
+ OPEN_EXISTING, flags, NULL);
+ if (hfile != INVALID_HANDLE_VALUE) {
+ BOOL result = _testFileTypeByHandle(hfile, testedType, FALSE);
+ CloseHandle(hfile);
+ return result;
+ }
+
+ switch (GetLastError()) {
+ case ERROR_ACCESS_DENIED:
+ case ERROR_SHARING_VIOLATION:
+ case ERROR_CANT_ACCESS_FILE:
+ case ERROR_INVALID_PARAMETER:
+ int rc;
+ STRUCT_STAT st;
+ if (testedType == PY_IFREG || testedType == PY_IFDIR) {
+ rc = STAT(path, &st);
}
else {
- hfile = CreateFileW(_path.wide, FILE_READ_ATTRIBUTES, 0, NULL,
- OPEN_EXISTING, FILE_FLAG_BACKUP_SEMANTICS, NULL);
+ // PY_IFRRP is not generally supported in this case, except for
+ // unhandled reparse points such as IO_REPARSE_TAG_APPEXECLINK.
+ rc = LSTAT(path, &st);
}
- if (hfile != INVALID_HANDLE_VALUE) {
- if (GetFileInformationByHandleEx(hfile, FileBasicInfo, &info,
- sizeof(info)))
- {
- result = info.FileAttributes & FILE_ATTRIBUTE_DIRECTORY;
- }
- else {
- result = 0;
- }
- if (close_file) {
- CloseHandle(hfile);
- }
- }
- else {
- STRUCT_STAT st;
- switch (GetLastError()) {
- case ERROR_ACCESS_DENIED:
- case ERROR_SHARING_VIOLATION:
- case ERROR_CANT_ACCESS_FILE:
- case ERROR_INVALID_PARAMETER:
- if (STAT(_path.wide, &st)) {
- result = 0;
- }
- else {
- result = S_ISDIR(st.st_mode);
- }
- break;
- default:
- result = 0;
- }
+ if (!rc) {
+ return _testInfo(st.st_file_attributes, st.st_reparse_tag,
+ st.st_mode & S_IFREG, testedType);
}
}
- Py_END_ALLOW_THREADS
- path_cleanup(&_path);
- if (result) {
- Py_RETURN_TRUE;
- }
- Py_RETURN_FALSE;
+ return FALSE;
}
-/*[clinic input]
-os._path_isfile
+static BOOL
+_testFileExistsByName(LPCWSTR path, BOOL followLinks)
+{
+ FILE_STAT_BASIC_INFORMATION info;
+ if (_Py_GetFileInformationByName(path, FileStatBasicByNameInfo, &info,
+ sizeof(info)))
+ {
+ if (!(info.FileAttributes & FILE_ATTRIBUTE_REPARSE_POINT) ||
+ !followLinks && IsReparseTagNameSurrogate(info.ReparseTag))
+ {
+ return TRUE;
+ }
+ }
+ else if (_Py_GetFileInformationByName_ErrorIsTrustworthy(
+ GetLastError()))
+ {
+ return FALSE;
+ }
- path: 'O'
+ DWORD flags = FILE_FLAG_BACKUP_SEMANTICS;
+ if (!followLinks) {
+ flags |= FILE_FLAG_OPEN_REPARSE_POINT;
+ }
+ HANDLE hfile = CreateFileW(path, FILE_READ_ATTRIBUTES, 0, NULL,
+ OPEN_EXISTING, flags, NULL);
+ if (hfile != INVALID_HANDLE_VALUE) {
+ if (followLinks) {
+ CloseHandle(hfile);
+ return TRUE;
+ }
+ // Regular Reparse Points (PY_IFRRP) have to be traversed.
+ BOOL result = _testFileTypeByHandle(hfile, PY_IFRRP, FALSE);
+ CloseHandle(hfile);
+ if (!result) {
+ return TRUE;
+ }
+ hfile = CreateFileW(path, FILE_READ_ATTRIBUTES, 0, NULL, OPEN_EXISTING,
+ FILE_FLAG_BACKUP_SEMANTICS, NULL);
+ if (hfile != INVALID_HANDLE_VALUE) {
+ CloseHandle(hfile);
+ return TRUE;
+ }
+ }
-Test whether a path is a regular file
+ switch (GetLastError()) {
+ case ERROR_ACCESS_DENIED:
+ case ERROR_SHARING_VIOLATION:
+ case ERROR_CANT_ACCESS_FILE:
+ case ERROR_INVALID_PARAMETER:
+ STRUCT_STAT _st;
+ return followLinks ? !STAT(path, &_st): !LSTAT(path, &_st);
+ }
-[clinic start generated code]*/
+ return FALSE;
+}
-static PyObject *
-os__path_isfile_impl(PyObject *module, PyObject *path)
-/*[clinic end generated code: output=2394ed7c4b5cfd85 input=de22d74960ade365]*/
-{
- HANDLE hfile;
- BOOL close_file = TRUE;
- FILE_BASIC_INFO info;
- path_t _path = PATH_T_INITIALIZE("isfile", "path", 0, 1);
- int result;
- BOOL slow_path = TRUE;
- FILE_STAT_BASIC_INFORMATION statInfo;
- if (!path_converter(path, &_path)) {
- path_cleanup(&_path);
+static int
+_testFileExists(path_t *_path, PyObject *path, BOOL followLinks)
+{
+ BOOL result = FALSE;
+ if (!path_converter(path, _path)) {
+ path_cleanup(_path);
if (PyErr_ExceptionMatches(PyExc_ValueError)) {
PyErr_Clear();
- Py_RETURN_FALSE;
+ return FALSE;
}
- return NULL;
+ return -1;
}
Py_BEGIN_ALLOW_THREADS
- if (_path.wide) {
- if (_Py_GetFileInformationByName(_path.wide, FileStatBasicByNameInfo,
- &statInfo, sizeof(statInfo))) {
- if (!(statInfo.FileAttributes & FILE_ATTRIBUTE_REPARSE_POINT)) {
- slow_path = FALSE;
- result = !(statInfo.FileAttributes & FILE_ATTRIBUTE_DIRECTORY);
- } else if (statInfo.FileAttributes & FILE_ATTRIBUTE_DIRECTORY) {
- slow_path = FALSE;
- result = 0;
+ if (_path->fd != -1) {
+ HANDLE hfile = _Py_get_osfhandle_noraise(_path->fd);
+ if (hfile != INVALID_HANDLE_VALUE) {
+ if (GetFileType(hfile) != FILE_TYPE_UNKNOWN || !GetLastError()) {
+ result = TRUE;
}
- } else if (_Py_GetFileInformationByName_ErrorIsTrustworthy(GetLastError())) {
- slow_path = FALSE;
- result = 0;
}
}
- if (slow_path) {
- if (_path.fd != -1) {
- hfile = _Py_get_osfhandle_noraise(_path.fd);
- close_file = FALSE;
- }
- else {
- hfile = CreateFileW(_path.wide, FILE_READ_ATTRIBUTES, 0, NULL,
- OPEN_EXISTING, FILE_FLAG_BACKUP_SEMANTICS, NULL);
+ else if (_path->wide) {
+ result = _testFileExistsByName(_path->wide, followLinks);
+ }
+ Py_END_ALLOW_THREADS
+
+ path_cleanup(_path);
+ return result;
+}
+
+
+static int
+_testFileType(path_t *_path, PyObject *path, int testedType)
+{
+ BOOL result = FALSE;
+ if (!path_converter(path, _path)) {
+ path_cleanup(_path);
+ if (PyErr_ExceptionMatches(PyExc_ValueError)) {
+ PyErr_Clear();
+ return FALSE;
}
+ return -1;
+ }
+
+ Py_BEGIN_ALLOW_THREADS
+ if (_path->fd != -1) {
+ HANDLE hfile = _Py_get_osfhandle_noraise(_path->fd);
if (hfile != INVALID_HANDLE_VALUE) {
- if (GetFileInformationByHandleEx(hfile, FileBasicInfo, &info,
- sizeof(info)))
- {
- result = !(info.FileAttributes & FILE_ATTRIBUTE_DIRECTORY);
- }
- else {
- result = 0;
- }
- if (close_file) {
- CloseHandle(hfile);
- }
- }
- else {
- STRUCT_STAT st;
- switch (GetLastError()) {
- case ERROR_ACCESS_DENIED:
- case ERROR_SHARING_VIOLATION:
- case ERROR_CANT_ACCESS_FILE:
- case ERROR_INVALID_PARAMETER:
- if (STAT(_path.wide, &st)) {
- result = 0;
- }
- else {
- result = S_ISREG(st.st_mode);
- }
- break;
- default:
- result = 0;
- }
+ result = _testFileTypeByHandle(hfile, testedType, TRUE);
}
}
+ else if (_path->wide) {
+ result = _testFileTypeByName(_path->wide, testedType);
+ }
Py_END_ALLOW_THREADS
- path_cleanup(&_path);
- if (result) {
- Py_RETURN_TRUE;
- }
- Py_RETURN_FALSE;
+ path_cleanup(_path);
+ return result;
}
/*[clinic input]
-os._path_exists
+os._path_exists -> bool
- path: 'O'
+ path: object
+ /
-Test whether a path exists. Returns False for broken symbolic links
+Test whether a path exists. Returns False for broken symbolic links.
[clinic start generated code]*/
-static PyObject *
+static int
os__path_exists_impl(PyObject *module, PyObject *path)
-/*[clinic end generated code: output=f508c3b35e13a249 input=380f77cdfa0f7ae8]*/
+/*[clinic end generated code: output=8f784b3abf9f8588 input=2777da15bc4ba5a3]*/
{
- HANDLE hfile;
- BOOL close_file = TRUE;
- path_t _path = PATH_T_INITIALIZE("exists", "path", 0, 1);
- int result;
- BOOL slow_path = TRUE;
- FILE_STAT_BASIC_INFORMATION statInfo;
+ path_t _path = PATH_T_INITIALIZE("_path_exists", "path", 0, 1);
+ return _testFileExists(&_path, path, TRUE);
+}
- if (!path_converter(path, &_path)) {
- path_cleanup(&_path);
- if (PyErr_ExceptionMatches(PyExc_ValueError)) {
- PyErr_Clear();
- Py_RETURN_FALSE;
- }
- return NULL;
- }
- Py_BEGIN_ALLOW_THREADS
- if (_path.wide) {
- if (_Py_GetFileInformationByName(_path.wide, FileStatBasicByNameInfo,
- &statInfo, sizeof(statInfo))) {
- if (!(statInfo.FileAttributes & FILE_ATTRIBUTE_REPARSE_POINT)) {
- slow_path = FALSE;
- result = 1;
- }
- } else if (_Py_GetFileInformationByName_ErrorIsTrustworthy(GetLastError())) {
- slow_path = FALSE;
- result = 0;
- }
- }
- if (slow_path) {
- if (_path.fd != -1) {
- hfile = _Py_get_osfhandle_noraise(_path.fd);
- close_file = FALSE;
- }
- else {
- hfile = CreateFileW(_path.wide, FILE_READ_ATTRIBUTES, 0, NULL,
- OPEN_EXISTING, FILE_FLAG_BACKUP_SEMANTICS, NULL);
- }
- if (hfile != INVALID_HANDLE_VALUE) {
- result = 1;
- if (close_file) {
- CloseHandle(hfile);
- }
- }
- else {
- STRUCT_STAT st;
- switch (GetLastError()) {
- case ERROR_ACCESS_DENIED:
- case ERROR_SHARING_VIOLATION:
- case ERROR_CANT_ACCESS_FILE:
- case ERROR_INVALID_PARAMETER:
- if (STAT(_path.wide, &st)) {
- result = 0;
- }
- else {
- result = 1;
- }
- break;
- default:
- result = 0;
- }
- }
- }
- Py_END_ALLOW_THREADS
+/*[clinic input]
+os._path_isdir -> bool
- path_cleanup(&_path);
- if (result) {
- Py_RETURN_TRUE;
- }
- Py_RETURN_FALSE;
+ s as path: object
+
+Return true if the pathname refers to an existing directory.
+
+[clinic start generated code]*/
+
+static int
+os__path_isdir_impl(PyObject *module, PyObject *path)
+/*[clinic end generated code: output=0504fd403f369701 input=2cb54dd97eb970f7]*/
+{
+ path_t _path = PATH_T_INITIALIZE("_path_isdir", "s", 0, 1);
+ return _testFileType(&_path, path, PY_IFDIR);
}
/*[clinic input]
-os._path_islink
+os._path_isfile -> bool
- path: 'O'
+ path: object
-Test whether a path is a symbolic link
+Test whether a path is a regular file
[clinic start generated code]*/
-static PyObject *
-os__path_islink_impl(PyObject *module, PyObject *path)
-/*[clinic end generated code: output=6d8640b1a390c054 input=38a3cb937ccf59bf]*/
+static int
+os__path_isfile_impl(PyObject *module, PyObject *path)
+/*[clinic end generated code: output=b40d620efe5a896f input=54b428a310debaea]*/
{
- HANDLE hfile;
- BOOL close_file = TRUE;
- FILE_ATTRIBUTE_TAG_INFO info;
- path_t _path = PATH_T_INITIALIZE("islink", "path", 0, 1);
- int result;
- BOOL slow_path = TRUE;
- FILE_STAT_BASIC_INFORMATION statInfo;
+ path_t _path = PATH_T_INITIALIZE("_path_isfile", "path", 0, 1);
+ return _testFileType(&_path, path, PY_IFREG);
+}
- if (!path_converter(path, &_path)) {
- path_cleanup(&_path);
- if (PyErr_ExceptionMatches(PyExc_ValueError)) {
- PyErr_Clear();
- Py_RETURN_FALSE;
- }
- return NULL;
- }
- Py_BEGIN_ALLOW_THREADS
- if (_path.wide) {
- if (_Py_GetFileInformationByName(_path.wide, FileStatBasicByNameInfo,
- &statInfo, sizeof(statInfo))) {
- slow_path = FALSE;
- if (statInfo.FileAttributes & FILE_ATTRIBUTE_REPARSE_POINT) {
- result = (statInfo.ReparseTag == IO_REPARSE_TAG_SYMLINK);
- }
- else {
- result = 0;
- }
- } else if (_Py_GetFileInformationByName_ErrorIsTrustworthy(GetLastError())) {
- slow_path = FALSE;
- result = 0;
- }
- }
- if (slow_path) {
- if (_path.fd != -1) {
- hfile = _Py_get_osfhandle_noraise(_path.fd);
- close_file = FALSE;
- }
- else {
- hfile = CreateFileW(_path.wide, FILE_READ_ATTRIBUTES, 0, NULL,
- OPEN_EXISTING,
- FILE_FLAG_OPEN_REPARSE_POINT | FILE_FLAG_BACKUP_SEMANTICS,
- NULL);
- }
- if (hfile != INVALID_HANDLE_VALUE) {
- if (GetFileInformationByHandleEx(hfile, FileAttributeTagInfo, &info,
- sizeof(info)))
- {
- result = (info.ReparseTag == IO_REPARSE_TAG_SYMLINK);
- }
- else {
- result = 0;
- }
- if (close_file) {
- CloseHandle(hfile);
- }
- }
- else {
- STRUCT_STAT st;
- switch (GetLastError()) {
- case ERROR_ACCESS_DENIED:
- case ERROR_SHARING_VIOLATION:
- case ERROR_CANT_ACCESS_FILE:
- case ERROR_INVALID_PARAMETER:
- if (LSTAT(_path.wide, &st)) {
- result = 0;
- }
- else {
- result = S_ISLNK(st.st_mode);
- }
- break;
- default:
- result = 0;
- }
- }
- }
- Py_END_ALLOW_THREADS
+/*[clinic input]
+os._path_islink -> bool
- path_cleanup(&_path);
- if (result) {
- Py_RETURN_TRUE;
- }
- Py_RETURN_FALSE;
+ path: object
+
+Test whether a path is a symbolic link
+
+[clinic start generated code]*/
+
+static int
+os__path_islink_impl(PyObject *module, PyObject *path)
+/*[clinic end generated code: output=9d0cf8e4c640dfe6 input=b71fed60b9b2cd73]*/
+{
+ path_t _path = PATH_T_INITIALIZE("_path_islink", "path", 0, 1);
+ return _testFileType(&_path, path, PY_IFLNK);
}
+#undef PY_IFREG
+#undef PY_IFDIR
+#undef PY_IFLNK
+#undef PY_IFMNT
+#undef PY_IFLRP
+#undef PY_IFRRP
+
#endif /* MS_WINDOWS */
projects / thirdparty / Python / cpython.git / commitdiff
