mirror of
https://github.com/kovidgoyal/calibre.git
synced 2025-11-04 03:27:00 -05:00
055f5b0979
Ideally someone needs to go through all the code and check that nothing breaks because of this macro, but, I dont have that kind of time
115 lines
3.8 KiB
C
115 lines
3.8 KiB
C
/*
|
|
* Copyright 2009 Kovid Goyal
|
|
*/
|
|
|
|
#define UNICODE
|
|
#define PY_SSIZE_T_CLEAN
|
|
|
|
#define _WIN32_WINNT 0x0502
|
|
#define WINDOWS_LEAN_AND_MEAN
|
|
|
|
#include <windows.h>
|
|
#include <Python.h>
|
|
#include <stdio.h>
|
|
#include <stdlib.h>
|
|
#include <Shellapi.h>
|
|
#include <delayimp.h>
|
|
#include <io.h>
|
|
#include <fcntl.h>
|
|
#include "../run-python.h"
|
|
|
|
static char python_dll[] = PYDLL;
|
|
|
|
|
|
|
|
static wchar_t qt_prefix_dir[MAX_PATH] = {0};
|
|
|
|
static void
|
|
get_app_dirw(void) {
|
|
wchar_t buf[MAX_PATH] = {0};
|
|
wchar_t drive[4] = L"\0\0\0";
|
|
DWORD sz; errno_t err;
|
|
|
|
sz = GetModuleFileNameW(NULL, interpreter_data.exe_path, MAX_PATH);
|
|
if (sz >= MAX_PATH-1) ExitProcess(_show_error(L"Installation directory path too long", L"", 1));
|
|
err = _wsplitpath_s(interpreter_data.exe_path, drive, 4, buf, MAX_PATH, NULL, 0, NULL, 0);
|
|
if (err != 0) ExitProcess(show_last_error_crt(L"Failed to find application directory"));
|
|
_snwprintf_s(interpreter_data.app_dir, MAX_PATH, _TRUNCATE, L"%ls%ls", drive, buf);
|
|
_snwprintf_s(interpreter_data.resources_path, MAX_PATH, _TRUNCATE, L"%ls%lsapp\\resources", drive, buf);
|
|
_snwprintf_s(interpreter_data.extensions_path, MAX_PATH, _TRUNCATE, L"%ls%lsapp\\bin", drive, buf);
|
|
_snwprintf_s(interpreter_data.executables_path, MAX_PATH, _TRUNCATE, L"%ls%lsapp\\bin", drive, buf);
|
|
}
|
|
|
|
static void
|
|
get_install_locations(void) {
|
|
get_app_dirw();
|
|
_snwprintf_s(qt_prefix_dir, MAX_PATH-1, _TRUNCATE, L"%ls\\app", interpreter_data.app_dir);
|
|
_wputenv_s(L"CALIBRE_QT_PREFIX", qt_prefix_dir);
|
|
}
|
|
|
|
static void
|
|
load_python_dll() {
|
|
get_install_locations();
|
|
bypy_setup_python(python_dll);
|
|
}
|
|
|
|
const static wchar_t out_of_memory[] = L"Out of memory";
|
|
|
|
|
|
static void
|
|
redirect_out_stream(FILE *stream) {
|
|
FILE *f = NULL;
|
|
errno_t err;
|
|
|
|
err = _wfreopen_s(&f, L"NUL", L"wt", stream);
|
|
if (err != 0) {
|
|
ExitProcess(show_last_error_crt(L"Failed to redirect stdout/stderr to NUL. This indicates a corrupted Windows install.\r\n You should contact Microsoft for assistance and/or follow the steps described here:\r\n http://bytes.com/topic/net/answers/264804-compile-error-null-device-missing"));
|
|
}
|
|
}
|
|
|
|
static void
|
|
null_invalid_parameter_handler(
|
|
const wchar_t * expression,
|
|
const wchar_t * function,
|
|
const wchar_t * file,
|
|
unsigned int line,
|
|
uintptr_t pReserved
|
|
) {
|
|
// The python runtime expects various system calls with invalid parameters
|
|
// to return errors instead of aborting the program. So get the windows CRT
|
|
// to do that.
|
|
}
|
|
__declspec(dllexport) int __cdecl
|
|
simple_print(const wchar_t *msg) {
|
|
int n = wprintf(L"%ls", msg); fflush(stdout);
|
|
return n;
|
|
}
|
|
|
|
__declspec(dllexport) int __cdecl
|
|
execute_python_entrypoint(const wchar_t *basename, const wchar_t *module, const wchar_t *function, int is_gui_app) {
|
|
int ret = 0;
|
|
// Prevent Windows' idiotic error dialog popups when various win32 api functions fail
|
|
SetErrorMode(SEM_FAILCRITICALERRORS | SEM_NOALIGNMENTFAULTEXCEPT | SEM_NOGPFAULTERRORBOX | SEM_NOOPENFILEERRORBOX);
|
|
// Disable the invalid parameter handler
|
|
_set_invalid_parameter_handler(null_invalid_parameter_handler);
|
|
detect_tty();
|
|
|
|
if (is_gui_app) {
|
|
// Redirect stdout and stderr to NUL so that python does not fail writing to them
|
|
if (!stdout_is_a_tty) redirect_out_stream(stdout);
|
|
if (!stderr_is_a_tty) redirect_out_stream(stderr);
|
|
}
|
|
GUI_APP = is_gui_app;
|
|
interpreter_data.argv = CommandLineToArgvW(GetCommandLineW(), &interpreter_data.argc);
|
|
if (interpreter_data.argv == NULL) ExitProcess(show_last_error(L"Failed to get command line"));
|
|
interpreter_data.basename = basename; interpreter_data.module = module; interpreter_data.function = function;
|
|
load_python_dll();
|
|
pre_initialize_interpreter(is_gui_app);
|
|
run_interpreter();
|
|
|
|
|
|
/* printf("111111111111 returning: %d\r\n", ret); */
|
|
|
|
return ret;
|
|
}
|