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Issue #11619: _PyImport_LoadDynamicModule() doesn't encode the path to bytes

Browse source 
on Windows.
This commit is contained in:
Victor Stinner 2011-04-04 23:05:53 +02:00
parent 54e7135fe8
commit 2d3222740b
3 changed files with 30 additions and 17 deletions
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3
Misc/NEWS
View file

@ -10,6 +10,9 @@ What's New in Python 3.3 Alpha 1?
Core and Builtins
-----------------
- Issue #11619: _PyImport_LoadDynamicModule() doesn't encode the path to bytes
on Windows.
- Issue #10998: Remove mentions of -Q, sys.flags.division_warning and
Py_DivisionWarningFlag left over from Python 2.

33
Python/dynload_win.c
View file

@ -171,8 +171,8 @@ static char *GetPythonImport (HINSTANCE hModule)
return NULL;
}
dl_funcptr _PyImport_GetDynLoadFunc(const char *shortname,
const char *pathname, FILE *fp)
dl_funcptr _PyImport_GetDynLoadWindows(const char *shortname,
PyObject *pathname, FILE *fp)
{
dl_funcptr p;
char funcname[258], *import_python;
@ -185,8 +185,7 @@ dl_funcptr _PyImport_GetDynLoadFunc(const char *shortname,
{
HINSTANCE hDLL = NULL;
char pathbuf[260];
LPTSTR dummy;
wchar_t pathbuf[260];
unsigned int old_mode;
ULONG_PTR cookie = 0;
/* We use LoadLibraryEx so Windows looks for dependent DLLs
@ -198,14 +197,14 @@ dl_funcptr _PyImport_GetDynLoadFunc(const char *shortname,
/* Don't display a message box when Python can't load a DLL */
old_mode = SetErrorMode(SEM_FAILCRITICALERRORS);
if (GetFullPathName(pathname,
sizeof(pathbuf),
pathbuf,
&dummy)) {
if (GetFullPathNameW(PyUnicode_AS_UNICODE(pathname),
sizeof(pathbuf) / sizeof(pathbuf[0]),
pathbuf,
NULL)) {
ULONG_PTR cookie = _Py_ActivateActCtx();
/* XXX This call doesn't exist in Windows CE */
hDLL = LoadLibraryEx(pathname, NULL,
LOAD_WITH_ALTERED_SEARCH_PATH);
hDLL = LoadLibraryExW(PyUnicode_AS_UNICODE(pathname), NULL,
LOAD_WITH_ALTERED_SEARCH_PATH);
_Py_DeactivateActCtx(cookie);
}
@ -264,21 +263,21 @@ dl_funcptr _PyImport_GetDynLoadFunc(const char *shortname,
} else {
char buffer[256];
PyOS_snprintf(buffer, sizeof(buffer),
#ifdef _DEBUG
PyOS_snprintf(buffer, sizeof(buffer), "python%d%d_d.dll",
"python%d%d_d.dll",
#else
PyOS_snprintf(buffer, sizeof(buffer), "python%d%d.dll",
"python%d%d.dll",
#endif
PY_MAJOR_VERSION,PY_MINOR_VERSION);
import_python = GetPythonImport(hDLL);
if (import_python &&
strcasecmp(buffer,import_python)) {
PyOS_snprintf(buffer, sizeof(buffer),
"Module use of %.150s conflicts "
"with this version of Python.",
import_python);
PyErr_SetString(PyExc_ImportError,buffer);
PyErr_Format(PyExc_ImportError,
"Module use of %.150s conflicts "
"with this version of Python.",
import_python);
FreeLibrary(hDLL);
return NULL;
}

11
Python/importdl.c
View file

@ -12,8 +12,13 @@
#include "importdl.h"
#ifdef MS_WINDOWS
extern dl_funcptr _PyImport_GetDynLoadWindows(const char *shortname,
PyObject *pathname, FILE *fp);
#else
extern dl_funcptr _PyImport_GetDynLoadFunc(const char *shortname,
const char *pathname, FILE *fp);
#endif
/* name should be ASCII only because the C language doesn't accept non-ASCII
identifiers, and dynamic modules are written in C. */
@ -22,7 +27,9 @@ PyObject *
_PyImport_LoadDynamicModule(PyObject *name, PyObject *path, FILE *fp)
{
PyObject *m;
#ifndef MS_WINDOWS
PyObject *pathbytes;
#endif
char *namestr, *lastdot, *shortname, *packagecontext, *oldcontext;
dl_funcptr p0;
PyObject* (*p)(void);
@ -48,12 +55,16 @@ _PyImport_LoadDynamicModule(PyObject *name, PyObject *path, FILE *fp)
shortname = lastdot+1;
}
#ifdef MS_WINDOWS
p0 = _PyImport_GetDynLoadWindows(shortname, path, fp);
#else
pathbytes = PyUnicode_EncodeFSDefault(path);
if (pathbytes == NULL)
return NULL;
p0 = _PyImport_GetDynLoadFunc(shortname,
PyBytes_AS_STRING(pathbytes), fp);
Py_DECREF(pathbytes);
#endif
p = (PyObject*(*)(void))p0;
if (PyErr_Occurred())
return NULL;