cc20ec3456
The portable version will prefer to create it's settings in it's own directory and only fallback to a user-specific path ($LOCAL_APPDATA/openslides) if this directory is not writable
131 lines
2.4 KiB
C
131 lines
2.4 KiB
C
/*
|
|
:copyright: 2012 by OpenSlides team, see AUTHORS.
|
|
:license: GNU GPL, see LICENSE for more details.
|
|
*/
|
|
|
|
#include <stdlib.h>
|
|
#include <string.h>
|
|
#include <stdio.h>
|
|
|
|
#define _WIN32_LEAN_AND_MEAN
|
|
#include <windows.h>
|
|
|
|
#include <Python.h>
|
|
|
|
static const char *site_code =
|
|
"import sys;"
|
|
"import os;"
|
|
"import site;"
|
|
"path = os.path.dirname(sys.executable);"
|
|
"site_dir = os.path.join(path, \"site-packages\");"
|
|
"site.addsitedir(site_dir);"
|
|
"sys.path.append(path)";
|
|
|
|
static const char *run_openslides_code =
|
|
"import openslides.main;"
|
|
"openslides.main.win32_portable_main()";
|
|
|
|
/* determine the path to the executable
|
|
* NOTE: Py_GetFullProgramPath() can't be used because
|
|
* this would trigger pythons search-path initialization
|
|
* But we need this to initialize PYTHONHOME before this happens
|
|
*/
|
|
static char *
|
|
_get_module_name()
|
|
{
|
|
size_t size = 1;
|
|
char *name = NULL;
|
|
int i;
|
|
|
|
/* a path > 40k would be insane, it is more likely something
|
|
* else has gone very wrong on the system
|
|
*/
|
|
for (i = 0;i < 10; i++)
|
|
{
|
|
DWORD res;
|
|
char *n;
|
|
|
|
n = realloc(name, size);
|
|
if (!n)
|
|
{
|
|
free(name);
|
|
return NULL;
|
|
}
|
|
name = n;
|
|
|
|
res = GetModuleFileNameA(NULL, name, size);
|
|
if (res != 0 && res < size)
|
|
{
|
|
return name;
|
|
}
|
|
else if (res == size)
|
|
{
|
|
/* NOTE: Don't check GetLastError() == ERROR_INSUFFICIENT_BUFFER
|
|
* here, it isn't set consisntently across all platforms
|
|
*/
|
|
|
|
size += 4096;
|
|
}
|
|
else
|
|
{
|
|
DWORD err = GetLastError();
|
|
fprintf(stderr, "WARNING: GetModuleFileName() failed "
|
|
"(res = %d, err = %d)", res, err);
|
|
free(name);
|
|
return NULL;
|
|
|
|
}
|
|
}
|
|
|
|
return NULL;
|
|
}
|
|
|
|
static int
|
|
_run()
|
|
{
|
|
if (PyRun_SimpleString(site_code) != 0)
|
|
{
|
|
fprintf(stderr, "ERROR: failed to initialize site path\n");
|
|
return 1;
|
|
}
|
|
|
|
if (PyRun_SimpleString(run_openslides_code) != 0)
|
|
{
|
|
fprintf(stderr, "ERROR: failed to execute openslides\n");
|
|
return 1;
|
|
}
|
|
|
|
return 0;
|
|
}
|
|
|
|
|
|
int
|
|
main(int argc, char *argv[])
|
|
{
|
|
int returncode;
|
|
char *py_home, *sep = NULL;
|
|
|
|
Py_SetProgramName(argv[0]);
|
|
|
|
py_home = _get_module_name();
|
|
|
|
if (py_home)
|
|
sep = strrchr(py_home, '\\');
|
|
/* should always be the true */
|
|
if (sep)
|
|
{
|
|
*sep = '\0';
|
|
Py_SetPythonHome(py_home);
|
|
}
|
|
|
|
Py_Initialize();
|
|
PySys_SetArgvEx(argc, argv, 0);
|
|
|
|
returncode = _run();
|
|
|
|
Py_Finalize();
|
|
free(py_home);
|
|
|
|
return returncode;
|
|
}
|