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bpo-31404: Revert "remove modules from Py_InterpreterState (#1638)" (#3565)

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PR #1638, for bpo-28411, causes problems in some (very) edge cases. Until that gets sorted out, we're reverting the merge. PR #3506, a fix on top of #1638, is also getting reverted.
This commit is contained in:
Eric Snow 2017-09-13 23:46:04 -07:00 • committed by GitHub
parent 13ad3b7a82
commit 93c92f7d1d
21 changed files with 154 additions and 308 deletions
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47
Python/sysmodule.c
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@ -36,14 +36,12 @@ extern const char *PyWin_DLLVersionString;
_Py_IDENTIFIER(_);
_Py_IDENTIFIER(__sizeof__);
_Py_IDENTIFIER(_xoptions);
_Py_IDENTIFIER(buffer);
_Py_IDENTIFIER(builtins);
_Py_IDENTIFIER(encoding);
_Py_IDENTIFIER(path);
_Py_IDENTIFIER(stdout);
_Py_IDENTIFIER(stderr);
_Py_IDENTIFIER(warnoptions);
_Py_IDENTIFIER(write);
PyObject *
@ -162,11 +160,13 @@ static PyObject *
sys_displayhook(PyObject *self, PyObject *o)
{
PyObject *outf;
PyInterpreterState *interp = PyThreadState_GET()->interp;
PyObject *modules = interp->modules;
PyObject *builtins;
static PyObject *newline = NULL;
int err;
builtins = _PyImport_GetModuleId(&PyId_builtins);
builtins = _PyDict_GetItemId(modules, &PyId_builtins);
if (builtins == NULL) {
PyErr_SetString(PyExc_RuntimeError, "lost builtins module");
return NULL;
@ -1481,17 +1481,13 @@ list_builtin_module_names(void)
static PyObject *
get_warnoptions(void)
{
PyObject *warnoptions = _PySys_GetObjectId(&PyId_warnoptions);
PyObject *warnoptions = PyThreadState_GET()->interp->warnoptions;
if (warnoptions == NULL || !PyList_Check(warnoptions)) {
Py_XDECREF(warnoptions);
warnoptions = PyList_New(0);
if (warnoptions == NULL)
return NULL;
if (_PySys_SetObjectId(&PyId_warnoptions, warnoptions)) {
Py_DECREF(warnoptions);
return NULL;
}
Py_DECREF(warnoptions);
PyThreadState_GET()->interp->warnoptions = warnoptions;
}
return warnoptions;
}
@ -1499,7 +1495,7 @@ get_warnoptions(void)
void
PySys_ResetWarnOptions(void)
{
PyObject *warnoptions = _PySys_GetObjectId(&PyId_warnoptions);
PyObject *warnoptions = PyThreadState_GET()->interp->warnoptions;
if (warnoptions == NULL || !PyList_Check(warnoptions))
return;
PyList_SetSlice(warnoptions, 0, PyList_GET_SIZE(warnoptions), NULL);
@ -1528,24 +1524,20 @@ PySys_AddWarnOption(const wchar_t *s)
int
PySys_HasWarnOptions(void)
{
PyObject *warnoptions = _PySys_GetObjectId(&PyId_warnoptions);
PyObject *warnoptions = PyThreadState_GET()->interp->warnoptions;
return (warnoptions != NULL && (PyList_Size(warnoptions) > 0)) ? 1 : 0;
}
static PyObject *
get_xoptions(void)
{
PyObject *xoptions = _PySys_GetObjectId(&PyId__xoptions);
PyObject *xoptions = PyThreadState_GET()->interp->xoptions;
if (xoptions == NULL || !PyDict_Check(xoptions)) {
Py_XDECREF(xoptions);
xoptions = PyDict_New();
if (xoptions == NULL)
return NULL;
if (_PySys_SetObjectId(&PyId__xoptions, xoptions)) {
Py_DECREF(xoptions);
return NULL;
}
Py_DECREF(xoptions);
PyThreadState_GET()->interp->xoptions = xoptions;
}
return xoptions;
}
@ -1947,7 +1939,7 @@ _PySys_BeginInit(void)
PyObject *m, *sysdict, *version_info;
int res;
m = _PyModule_CreateInitialized(&sysmodule, PYTHON_API_VERSION);
m = PyModule_Create(&sysmodule);
if (m == NULL)
return NULL;
sysdict = PyModule_GetDict(m);
@ -2094,6 +2086,16 @@ _PySys_BeginInit(void)
#undef SET_SYS_FROM_STRING_BORROW
/* Updating the sys namespace, returning integer error codes */
#define SET_SYS_FROM_STRING_BORROW_INT_RESULT(key, value) \
do { \
PyObject *v = (value); \
if (v == NULL) \
return -1; \
res = PyDict_SetItemString(sysdict, key, v); \
if (res < 0) { \
return res; \
} \
} while (0)
#define SET_SYS_FROM_STRING_INT_RESULT(key, value) \
do { \
PyObject *v = (value); \
@ -2138,11 +2140,15 @@ _PySys_EndInit(PyObject *sysdict)
SET_SYS_FROM_STRING_INT_RESULT("base_exec_prefix",
PyUnicode_FromWideChar(Py_GetExecPrefix(), -1));
if (get_warnoptions() == NULL)
PyObject *warnoptions = get_warnoptions();
if (warnoptions == NULL)
return -1;
SET_SYS_FROM_STRING_BORROW_INT_RESULT("warnoptions", warnoptions);
if (get_xoptions() == NULL)
PyObject *xoptions = get_xoptions();
if (xoptions == NULL)
return -1;
SET_SYS_FROM_STRING_BORROW_INT_RESULT("_xoptions", xoptions);
if (PyErr_Occurred())
return -1;
@ -2150,6 +2156,7 @@ _PySys_EndInit(PyObject *sysdict)
}
#undef SET_SYS_FROM_STRING_INT_RESULT
#undef SET_SYS_FROM_STRING_BORROW_INT_RESULT
static PyObject *
makepathobject(const wchar_t *path, wchar_t delim)