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https://github.com/python/cpython.git
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Add support for Windows using "mbcs" as the default Unicode encoding when dealing with the file system. As discussed on python-dev and in patch 410465.
This commit is contained in:
Mark Hammond
parent
342c65e19a
commit
ef8b654bbe
7 changed files with 197 additions and 56 deletions
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@ -233,6 +233,16 @@ extern int lstat(const char *, struct stat *);
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#endif /* MS_WIN32 */
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#endif /* _MSC_VER */
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/* The default encoding used by the platform file system APIs
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If non-NULL, this is almost certainly different than the default
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encoding for strings (otherwise it can remain NULL!)
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*/
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#ifdef MS_WIN32
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const char *Py_FileSystemDefaultEncoding = "mbcs";
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#else
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const char *Py_FileSystemDefaultEncoding = NULL; /* use default */
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#endif
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#if defined(PYCC_VACPP) && defined(PYOS_OS2)
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#include <io.h>
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#endif /* OS2 */
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@ -354,6 +364,14 @@ posix_error_with_filename(char* name)
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return PyErr_SetFromErrnoWithFilename(PyExc_OSError, name);
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}
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static PyObject *
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posix_error_with_allocated_filename(char* name)
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{
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PyObject *rc = PyErr_SetFromErrnoWithFilename(PyExc_OSError, name);
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PyMem_Free(name);
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return rc;
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}
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#ifdef MS_WIN32
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static PyObject *
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win32_error(char* function, char* filename)
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@ -468,15 +486,17 @@ posix_int(PyObject *args, char *format, int (*func)(int))
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static PyObject *
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posix_1str(PyObject *args, char *format, int (*func)(const char*))
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{
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char *path1;
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char *path1 = NULL;
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int res;
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if (!PyArg_ParseTuple(args, format, &path1))
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if (!PyArg_ParseTuple(args, format,
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Py_FileSystemDefaultEncoding, &path1))
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return NULL;
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Py_BEGIN_ALLOW_THREADS
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res = (*func)(path1);
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Py_END_ALLOW_THREADS
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if (res < 0)
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return posix_error_with_filename(path1);
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return posix_error_with_allocated_filename(path1);
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PyMem_Free(path1);
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Py_INCREF(Py_None);
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return Py_None;
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}
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@ -485,13 +505,17 @@ static PyObject *
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posix_2str(PyObject *args, char *format,
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int (*func)(const char *, const char *))
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{
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char *path1, *path2;
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char *path1 = NULL, *path2 = NULL;
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int res;
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if (!PyArg_ParseTuple(args, format, &path1, &path2))
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if (!PyArg_ParseTuple(args, format,
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Py_FileSystemDefaultEncoding, &path1,
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Py_FileSystemDefaultEncoding, &path2))
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return NULL;
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Py_BEGIN_ALLOW_THREADS
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res = (*func)(path1, path2);
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Py_END_ALLOW_THREADS
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PyMem_Free(path1);
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PyMem_Free(path2);
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if (res != 0)
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/* XXX how to report both path1 and path2??? */
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return posix_error();
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@ -551,7 +575,7 @@ posix_do_stat(PyObject *self, PyObject *args, char *format,
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int (*statfunc)(const char *, STRUCT_STAT *))
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{
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STRUCT_STAT st;
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char *path;
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char *path = NULL;
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int res;
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#ifdef MS_WIN32
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@ -559,13 +583,15 @@ posix_do_stat(PyObject *self, PyObject *args, char *format,
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char pathcopy[MAX_PATH];
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#endif /* MS_WIN32 */
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if (!PyArg_ParseTuple(args, format, &path))
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if (!PyArg_ParseTuple(args, format,
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Py_FileSystemDefaultEncoding, &path))
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return NULL;
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#ifdef MS_WIN32
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pathlen = strlen(path);
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/* the library call can blow up if the file name is too long! */
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if (pathlen > MAX_PATH) {
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PyMem_Free(path);
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errno = ENAMETOOLONG;
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return posix_error();
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}
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@ -588,8 +614,9 @@ posix_do_stat(PyObject *self, PyObject *args, char *format,
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res = (*statfunc)(path, &st);
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Py_END_ALLOW_THREADS
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if (res != 0)
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return posix_error_with_filename(path);
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return posix_error_with_allocated_filename(path);
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PyMem_Free(path);
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return _pystat_fromstructstat(st);
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}
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@ -681,7 +708,7 @@ Change the current working directory to the specified path.";
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static PyObject *
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posix_chdir(PyObject *self, PyObject *args)
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{
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return posix_1str(args, "s:chdir", chdir);
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return posix_1str(args, "et:chdir", chdir);
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}
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@ -692,16 +719,18 @@ Change the access permissions of a file.";
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static PyObject *
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posix_chmod(PyObject *self, PyObject *args)
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{
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char *path;
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char *path = NULL;
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int i;
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int res;
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if (!PyArg_ParseTuple(args, "si", &path, &i))
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if (!PyArg_ParseTuple(args, "eti", Py_FileSystemDefaultEncoding,
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&path, &i))
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return NULL;
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Py_BEGIN_ALLOW_THREADS
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res = chmod(path, i);
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Py_END_ALLOW_THREADS
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if (res < 0)
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return posix_error_with_filename(path);
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return posix_error_with_allocated_filename(path);
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PyMem_Free(path);
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Py_INCREF(Py_None);
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return Py_None;
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}
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@ -746,16 +775,19 @@ Change the owner and group id of path to the numeric uid and gid.";
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static PyObject *
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posix_chown(PyObject *self, PyObject *args)
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{
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char *path;
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char *path = NULL;
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int uid, gid;
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int res;
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if (!PyArg_ParseTuple(args, "sii:chown", &path, &uid, &gid))
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if (!PyArg_ParseTuple(args, "etii:chown",
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Py_FileSystemDefaultEncoding, &path,
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&uid, &gid))
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return NULL;
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Py_BEGIN_ALLOW_THREADS
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res = chown(path, (uid_t) uid, (gid_t) gid);
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Py_END_ALLOW_THREADS
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if (res < 0)
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return posix_error_with_filename(path);
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return posix_error_with_allocated_filename(path);
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PyMem_Free(path);
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Py_INCREF(Py_None);
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return Py_None;
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}
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@ -792,7 +824,7 @@ Create a hard link to a file.";
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static PyObject *
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posix_link(PyObject *self, PyObject *args)
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{
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return posix_2str(args, "ss:link", link);
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return posix_2str(args, "etet:link", link);
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}
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#endif /* HAVE_LINK */
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@ -813,21 +845,18 @@ posix_listdir(PyObject *self, PyObject *args)
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in separate files instead of having them all here... */
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#if defined(MS_WIN32) && !defined(HAVE_OPENDIR)
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char *name;
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int len;
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PyObject *d, *v;
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HANDLE hFindFile;
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WIN32_FIND_DATA FileData;
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char namebuf[MAX_PATH+5];
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/* MAX_PATH characters could mean a bigger encoded string */
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char namebuf[MAX_PATH*2+5];
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char *bufptr = namebuf;
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int len = sizeof(namebuf)/sizeof(namebuf[0]);
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char ch;
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if (!PyArg_ParseTuple(args, "t#:listdir", &name, &len))
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if (!PyArg_ParseTuple(args, "et#:listdir",
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Py_FileSystemDefaultEncoding, &bufptr, &len))
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return NULL;
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if (len >= MAX_PATH) {
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PyErr_SetString(PyExc_ValueError, "path too long");
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return NULL;
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}
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strcpy(namebuf, name);
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ch = namebuf[len-1];
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if (ch != '/' && ch != '\\' && ch != ':')
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namebuf[len++] = '/';
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@ -841,7 +870,7 @@ posix_listdir(PyObject *self, PyObject *args)
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errno = GetLastError();
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if (errno == ERROR_FILE_NOT_FOUND)
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return PyList_New(0);
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return win32_error("FindFirstFile", name);
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return win32_error("FindFirstFile", namebuf);
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}
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do {
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if (FileData.cFileName[0] == '.' &&
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@ -865,7 +894,7 @@ posix_listdir(PyObject *self, PyObject *args)
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} while (FindNextFile(hFindFile, &FileData) == TRUE);
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if (FindClose(hFindFile) == FALSE)
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return win32_error("FindClose", name);
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return win32_error("FindClose", namebuf);
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return d;
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@ -1042,6 +1071,28 @@ posix_listdir(PyObject *self, PyObject *args)
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#endif /* which OS */
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} /* end of posix_listdir */
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#ifdef MS_WIN32
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/* A helper function for abspath on win32 */
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static PyObject *
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posix__getfullpathname(PyObject *self, PyObject *args)
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{
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/* assume encoded strings wont more than double no of chars */
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char inbuf[MAX_PATH*2];
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char *inbufp = inbuf;
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int insize = sizeof(inbuf)/sizeof(inbuf[0]);
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char outbuf[MAX_PATH*2];
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char *temp;
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if (!PyArg_ParseTuple (args, "et#:_getfullpathname",
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Py_FileSystemDefaultEncoding, &inbufp,
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&insize))
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return NULL;
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if (!GetFullPathName(inbuf, sizeof(outbuf)/sizeof(outbuf[0]),
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outbuf, &temp))
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return win32_error("GetFullPathName", inbuf);
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return PyString_FromString(outbuf);
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} /* end of posix__getfullpathname */
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#endif /* MS_WIN32 */
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static char posix_mkdir__doc__[] =
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"mkdir(path [, mode=0777]) -> None\n\
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Create a directory.";
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@ -1050,9 +1101,10 @@ static PyObject *
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posix_mkdir(PyObject *self, PyObject *args)
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{
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int res;
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char *path;
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char *path = NULL;
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int mode = 0777;
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if (!PyArg_ParseTuple(args, "s|i:mkdir", &path, &mode))
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if (!PyArg_ParseTuple(args, "et|i:mkdir",
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Py_FileSystemDefaultEncoding, &path, &mode))
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return NULL;
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Py_BEGIN_ALLOW_THREADS
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#if ( defined(__WATCOMC__) || defined(_MSC_VER) || defined(PYCC_VACPP) ) && !defined(__QNX__)
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@ -1062,7 +1114,8 @@ posix_mkdir(PyObject *self, PyObject *args)
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#endif
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Py_END_ALLOW_THREADS
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if (res < 0)
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return posix_error_with_filename(path);
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return posix_error_with_allocated_filename(path);
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PyMem_Free(path);
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Py_INCREF(Py_None);
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return Py_None;
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}
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@ -1095,7 +1148,7 @@ Rename a file or directory.";
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static PyObject *
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posix_rename(PyObject *self, PyObject *args)
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{
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return posix_2str(args, "ss:rename", rename);
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return posix_2str(args, "etet:rename", rename);
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}
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@ -1106,7 +1159,7 @@ Remove a directory.";
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static PyObject *
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posix_rmdir(PyObject *self, PyObject *args)
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{
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return posix_1str(args, "s:rmdir", rmdir);
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return posix_1str(args, "et:rmdir", rmdir);
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}
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@ -1117,7 +1170,7 @@ Perform a stat system call on the given path.";
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static PyObject *
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posix_stat(PyObject *self, PyObject *args)
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{
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return posix_do_stat(self, args, "s:stat", STAT);
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return posix_do_stat(self, args, "et:stat", STAT);
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}
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@ -1169,7 +1222,7 @@ Remove a file (same as unlink(path)).";
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static PyObject *
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posix_unlink(PyObject *self, PyObject *args)
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{
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return posix_1str(args, "s:remove", unlink);
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return posix_1str(args, "et:remove", unlink);
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}
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@ -3113,9 +3166,9 @@ static PyObject *
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posix_lstat(PyObject *self, PyObject *args)
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{
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#ifdef HAVE_LSTAT
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return posix_do_stat(self, args, "s:lstat", lstat);
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return posix_do_stat(self, args, "et:lstat", lstat);
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#else /* !HAVE_LSTAT */
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return posix_do_stat(self, args, "s:lstat", STAT);
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return posix_do_stat(self, args, "et:lstat", STAT);
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#endif /* !HAVE_LSTAT */
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}
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@ -3151,7 +3204,7 @@ Create a symbolic link.";
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static PyObject *
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posix_symlink(PyObject *self, PyObject *args)
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{
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return posix_2str(args, "ss:symlink", symlink);
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return posix_2str(args, "etet:symlink", symlink);
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}
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#endif /* HAVE_SYMLINK */
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@ -3328,18 +3381,21 @@ Open a file (for low level IO).";
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static PyObject *
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posix_open(PyObject *self, PyObject *args)
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{
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char *file;
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char *file = NULL;
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int flag;
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int mode = 0777;
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int fd;
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if (!PyArg_ParseTuple(args, "si|i", &file, &flag, &mode))
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if (!PyArg_ParseTuple(args, "eti|i",
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Py_FileSystemDefaultEncoding, &file,
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&flag, &mode))
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return NULL;
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Py_BEGIN_ALLOW_THREADS
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fd = open(file, flag, mode);
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Py_END_ALLOW_THREADS
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if (fd < 0)
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return posix_error_with_filename(file);
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return posix_error_with_allocated_filename(file);
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PyMem_Free(file);
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return PyInt_FromLong((long)fd);
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}
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@ -5458,6 +5514,9 @@ static PyMethodDef posix_methods[] = {
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{"pathconf", posix_pathconf, METH_VARARGS, posix_pathconf__doc__},
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#endif
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{"abort", posix_abort, METH_VARARGS, posix_abort__doc__},
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#ifdef MS_WIN32
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{"_getfullpathname", posix__getfullpathname, METH_VARARGS, NULL},
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#endif
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{NULL, NULL} /* Sentinel */
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};
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