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Another win32 API function

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Kovid Goyal 2020-10-09 13:59:01 +05:30
parent c478139248
commit 0e5ae8b978
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GPG Key ID: 06BC317B515ACE7C
2 changed files with 21 additions and 3 deletions
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19
src/calibre/utils/windows/winutil.cpp
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@ -618,6 +618,24 @@ set_handle_information(PyObject *self, PyObject *args) {
Py_RETURN_NONE;
}
static PyObject *
get_long_path_name(PyObject *self, PyObject *args) {
wchar_raii path;
if (!PyArg_ParseTuple(args, "O&", py_to_wchar_no_none, &path)) return NULL;
DWORD sz = GetLongPathNameW(path.ptr(), NULL, 0) * 2;
if (!sz) return PyErr_SetExcFromWindowsErrWithFilenameObject(PyExc_OSError, 0, PyTuple_GET_ITEM(args, 0));
wchar_t *buf = (wchar_t*) PyMem_Malloc(sz);
if (!buf) return PyErr_NoMemory();
if (!GetLongPathNameW(path.ptr(), buf, sz-1)) {
PyMem_Free(buf);
return PyErr_SetExcFromWindowsErrWithFilenameObject(PyExc_OSError, 0, PyTuple_GET_ITEM(args, 0));
}
buf[sz-1] = 0;
PyObject *ans = PyUnicode_FromWideChar(buf, -1);
PyMem_Free(buf);
return ans;
}
// Boilerplate {{{
static const char winutil_doc[] = "Defines utility methods to interface with windows.";
@ -626,6 +644,7 @@ static PyMethodDef winutil_methods[] = {
M(get_dll_directory, METH_NOARGS),
M(create_named_pipe, METH_VARARGS),
M(set_handle_information, METH_VARARGS),
M(get_long_path_name, METH_VARARGS),
{"special_folder_path", winutil_folder_path, METH_VARARGS,
"special_folder_path(csidl_id) -> path\n\n"

5
src/calibre/utils/xml_parse.py
View File

@ -39,7 +39,7 @@ def safe_xml_fromstring(string_or_bytes, recover=True):
def find_tests():
import unittest, tempfile, os
from calibre.constants import iswindows
from calibre.constants import iswindows, plugins
class TestXMLParse(unittest.TestCase):
@ -48,8 +48,7 @@ def find_tests():
tf.write(b'external')
self.temp_file = os.path.abspath(tf.name)
if iswindows:
import win32api
self.temp_file = win32api.GetLongPathNameW(self.temp_file)
self.temp_file = plugins['winutil'][0].get_long_path_name(self.temp_file)
def tearDown(self):
os.remove(self.temp_file)