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gh-94673: Isolate the _io module to Each Interpreter (gh-102663)

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Aside from sys and builtins, _io is the only core builtin module that hasn't been ported to multi-phase init.  We may do so later (e.g. gh-101948), but in the meantime we must at least take care of the module's static types properly.  (This came up while working on gh-101660.)

https://github.com/python/cpython/issues/94673
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Eric Snow 2023-03-21 14:01:38 -06:00 • committed by GitHub
parent 8d015fa000
commit e6ecd3e6b4
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2 changed files with 41 additions and 13 deletions
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42
Modules/_io/_iomodule.c
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@ -11,6 +11,7 @@
#include "Python.h"
#include "_iomodule.h"
#include "pycore_pystate.h" // _PyInterpreterState_GET()
#include "pycore_initconfig.h" // _PyStatus_OK()
#ifdef HAVE_SYS_TYPES_H
#include <sys/types.h>
@ -666,12 +667,40 @@ static PyTypeObject* static_types[] = {
};
void
_PyIO_Fini(void)
PyStatus
_PyIO_InitTypes(PyInterpreterState *interp)
{
if (!_Py_IsMainInterpreter(interp)) {
return _PyStatus_OK();
}
// Set type base classes
#ifdef HAVE_WINDOWS_CONSOLE_IO
PyWindowsConsoleIO_Type.tp_base = &PyRawIOBase_Type;
#endif
for (size_t i=0; i < Py_ARRAY_LENGTH(static_types); i++) {
PyTypeObject *type = static_types[i];
if (_PyStaticType_InitBuiltin(type) < 0) {
return _PyStatus_ERR("Can't initialize builtin type");
}
}
return _PyStatus_OK();
}
void
_PyIO_FiniTypes(PyInterpreterState *interp)
{
if (!_Py_IsMainInterpreter(interp)) {
return;
}
// Deallocate types in the reverse order to deallocate subclasses before
// their base classes.
for (Py_ssize_t i=Py_ARRAY_LENGTH(static_types) - 1; i >= 0; i--) {
PyTypeObject *exc = static_types[i];
_PyStaticType_Dealloc(exc);
PyTypeObject *type = static_types[i];
_PyStaticType_Dealloc(type);
}
}
@ -717,11 +746,6 @@ PyInit__io(void)
goto fail;
}
// Set type base classes
#ifdef HAVE_WINDOWS_CONSOLE_IO
PyWindowsConsoleIO_Type.tp_base = &PyRawIOBase_Type;
#endif
// Add types
for (size_t i=0; i < Py_ARRAY_LENGTH(static_types); i++) {
PyTypeObject *type = static_types[i];