pyodide/src/main.c

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#include <Python.h>
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#include <emscripten.h>
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#include "hiwire.h"
#include "js2python.h"
#include "jsimport.h"
#include "jsproxy.h"
#include "pyimport.h"
#include "pyproxy.h"
#include "python2js.h"
#include "runpython.h"
#define FATAL_ERROR(args...) \
do { \
printf("FATAL ERROR: "); \
printf(args); \
if (PyErr_Occurred()) { \
printf("Error was triggered by Python exception:\n"); \
PyErr_Print(); \
} \
} while (0)
#define TRY_INIT(mod) \
do { \
if (mod##_init()) { \
FATAL_ERROR("Failed to initialize module %s.\n", #mod); \
return 1; \
} \
} while (0)
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int
main(int argc, char** argv)
{
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hiwire_setup();
setenv("PYTHONHOME", "/", 0);
Py_InitializeEx(0);
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// This doesn't seem to work anymore, but I'm keeping it for good measure
// anyway The effective way to turn this off is below: setting
// sys.dont_write_bytecode = True
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setenv("PYTHONDONTWRITEBYTECODE", "1", 0);
PyObject* sys = PyImport_ImportModule("sys");
if (sys == NULL) {
FATAL_ERROR("Failed to import sys module.");
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return 1;
}
if (PyObject_SetAttrString(sys, "dont_write_bytecode", Py_True)) {
FATAL_ERROR("Failed to set attribute on sys module.");
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return 1;
}
Py_DECREF(sys);
TRY_INIT(js2python);
TRY_INIT(JsImport);
TRY_INIT(JsProxy);
TRY_INIT(pyimport);
TRY_INIT(pyproxy);
TRY_INIT(python2js);
TRY_INIT(runpython);
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printf("Python initialization complete\n");
emscripten_exit_with_live_runtime();
return 0;
}