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#include <Python.h>
#include <stdio.h>
/*********************************************************
* Embedded interpreter tests that need a custom exe
*
* Executed via 'EmbeddingTests' in Lib/test/test_capi.py
*********************************************************/
static void _testembed_Py_Initialize(void)
{
/* HACK: the "./" at front avoids a search along the PATH in
Modules/getpath.c */
Py_SetProgramName(L"./_testembed");
Py_Initialize();
}
/*****************************************************
* Test repeated initalisation and subinterpreters
*****************************************************/
static void print_subinterp(void)
{
/* Just output some debug stuff */
PyThreadState *ts = PyThreadState_Get();
printf("interp %p, thread state %p: ", ts->interp, ts);
fflush(stdout);
PyRun_SimpleString(
"import sys;"
"print('id(modules) =', id(sys.modules));"
"sys.stdout.flush()"
);
}
static void test_repeated_init_and_subinterpreters(void)
{
PyThreadState *mainstate, *substate;
#ifdef WITH_THREAD
PyGILState_STATE gilstate;
#endif
int i, j;
for (i=0; i<3; i++) {
printf("--- Pass %d ---\n", i);
_testembed_Py_Initialize();
mainstate = PyThreadState_Get();
#ifdef WITH_THREAD
PyEval_InitThreads();
PyEval_ReleaseThread(mainstate);
gilstate = PyGILState_Ensure();
#endif
print_subinterp();
PyThreadState_Swap(NULL);
for (j=0; j<3; j++) {
substate = Py_NewInterpreter();
print_subinterp();
Py_EndInterpreter(substate);
}
PyThreadState_Swap(mainstate);
print_subinterp();
#ifdef WITH_THREAD
PyGILState_Release(gilstate);
#endif
PyEval_RestoreThread(mainstate);
Py_Finalize();
}
}
/*****************************************************
* Test forcing a particular IO encoding
*****************************************************/
static void check_stdio_details(const char *encoding, const char * errors)
{
/* Output info for the test case to check */
if (encoding) {
printf("Expected encoding: %s\n", encoding);
} else {
printf("Expected encoding: default\n");
}
if (errors) {
printf("Expected errors: %s\n", errors);
} else {
printf("Expected errors: default\n");
}
fflush(stdout);
/* Force the given IO encoding */
Py_SetStandardStreamEncoding(encoding, errors);
_testembed_Py_Initialize();
PyRun_SimpleString(
"import sys;"
"print('stdin: {0.encoding}:{0.errors}'.format(sys.stdin));"
"print('stdout: {0.encoding}:{0.errors}'.format(sys.stdout));"
"print('stderr: {0.encoding}:{0.errors}'.format(sys.stderr));"
"sys.stdout.flush()"
);
Py_Finalize();
}
static void test_forced_io_encoding(void)
{
/* Check various combinations */
printf("--- Use defaults ---\n");
check_stdio_details(NULL, NULL);
printf("--- Set errors only ---\n");
check_stdio_details(NULL, "surrogateescape");
printf("--- Set encoding only ---\n");
check_stdio_details("latin-1", NULL);
printf("--- Set encoding and errors ---\n");
check_stdio_details("latin-1", "surrogateescape");
/* Check calling after initialization fails */
Py_Initialize();
if (Py_SetStandardStreamEncoding(NULL, NULL) == 0) {
printf("Unexpected success calling Py_SetStandardStreamEncoding");
}
Py_Finalize();
}
/* Different embedding tests */
int main(int argc, char *argv[])
{
/* TODO: Check the argument string to allow for more test cases */
if (argc > 1) {
/* For now: assume "forced_io_encoding */
test_forced_io_encoding();
} else {
/* Run the original embedding test case by default */
test_repeated_init_and_subinterpreters();
}
return 0;
}
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