diff options
Diffstat (limited to 'cffi/_cffi_errors.h')
-rw-r--r-- | cffi/_cffi_errors.h | 149 |
1 files changed, 0 insertions, 149 deletions
diff --git a/cffi/_cffi_errors.h b/cffi/_cffi_errors.h deleted file mode 100644 index 158e059..0000000 --- a/cffi/_cffi_errors.h +++ /dev/null @@ -1,149 +0,0 @@ -#ifndef CFFI_MESSAGEBOX -# ifdef _MSC_VER -# define CFFI_MESSAGEBOX 1 -# else -# define CFFI_MESSAGEBOX 0 -# endif -#endif - - -#if CFFI_MESSAGEBOX -/* Windows only: logic to take the Python-CFFI embedding logic - initialization errors and display them in a background thread - with MessageBox. The idea is that if the whole program closes - as a result of this problem, then likely it is already a console - program and you can read the stderr output in the console too. - If it is not a console program, then it will likely show its own - dialog to complain, or generally not abruptly close, and for this - case the background thread should stay alive. -*/ -static void *volatile _cffi_bootstrap_text; - -static PyObject *_cffi_start_error_capture(void) -{ - PyObject *result = NULL; - PyObject *x, *m, *bi; - - if (InterlockedCompareExchangePointer(&_cffi_bootstrap_text, - (void *)1, NULL) != NULL) - return (PyObject *)1; - - m = PyImport_AddModule("_cffi_error_capture"); - if (m == NULL) - goto error; - - result = PyModule_GetDict(m); - if (result == NULL) - goto error; - -#if PY_MAJOR_VERSION >= 3 - bi = PyImport_ImportModule("builtins"); -#else - bi = PyImport_ImportModule("__builtin__"); -#endif - if (bi == NULL) - goto error; - PyDict_SetItemString(result, "__builtins__", bi); - Py_DECREF(bi); - - x = PyRun_String( - "import sys\n" - "class FileLike:\n" - " def write(self, x):\n" - " try:\n" - " of.write(x)\n" - " except: pass\n" - " self.buf += x\n" - " def flush(self):\n" - " pass\n" - "fl = FileLike()\n" - "fl.buf = ''\n" - "of = sys.stderr\n" - "sys.stderr = fl\n" - "def done():\n" - " sys.stderr = of\n" - " return fl.buf\n", /* make sure the returned value stays alive */ - Py_file_input, - result, result); - Py_XDECREF(x); - - error: - if (PyErr_Occurred()) - { - PyErr_WriteUnraisable(Py_None); - PyErr_Clear(); - } - return result; -} - -#pragma comment(lib, "user32.lib") - -static DWORD WINAPI _cffi_bootstrap_dialog(LPVOID ignored) -{ - Sleep(666); /* may be interrupted if the whole process is closing */ -#if PY_MAJOR_VERSION >= 3 - MessageBoxW(NULL, (wchar_t *)_cffi_bootstrap_text, - L"Python-CFFI error", - MB_OK | MB_ICONERROR); -#else - MessageBoxA(NULL, (char *)_cffi_bootstrap_text, - "Python-CFFI error", - MB_OK | MB_ICONERROR); -#endif - _cffi_bootstrap_text = NULL; - return 0; -} - -static void _cffi_stop_error_capture(PyObject *ecap) -{ - PyObject *s; - void *text; - - if (ecap == (PyObject *)1) - return; - - if (ecap == NULL) - goto error; - - s = PyRun_String("done()", Py_eval_input, ecap, ecap); - if (s == NULL) - goto error; - - /* Show a dialog box, but in a background thread, and - never show multiple dialog boxes at once. */ -#if PY_MAJOR_VERSION >= 3 - text = PyUnicode_AsWideCharString(s, NULL); -#else - text = PyString_AsString(s); -#endif - - _cffi_bootstrap_text = text; - - if (text != NULL) - { - HANDLE h; - h = CreateThread(NULL, 0, _cffi_bootstrap_dialog, - NULL, 0, NULL); - if (h != NULL) - CloseHandle(h); - } - /* decref the string, but it should stay alive as 'fl.buf' - in the small module above. It will really be freed only if - we later get another similar error. So it's a leak of at - most one copy of the small module. That's fine for this - situation which is usually a "fatal error" anyway. */ - Py_DECREF(s); - PyErr_Clear(); - return; - - error: - _cffi_bootstrap_text = NULL; - PyErr_Clear(); -} - -#else - -static PyObject *_cffi_start_error_capture(void) { return NULL; } -static void _cffi_stop_error_capture(PyObject *ecap) { } - -#endif |