mirror of https://github.com/python/cpython
bpo-35713: Split _Py_InitializeCore into subfunctions (GH-11650)
* Split _Py_InitializeCore_impl() into subfunctions: add multiple pycore_init_xxx() functions * Preliminary sys.stderr is now set earlier to get an usable sys.stderr ealier. * Move code into _Py_Initialize_ReconfigureCore() to be able to call it from _Py_InitializeCore(). * Split _PyExc_Init(): create a new _PyBuiltins_AddExceptions() function. * Call _PyExc_Init() earlier in _Py_InitializeCore_impl() and new_interpreter() to get working exceptions earlier. * _Py_ReadyTypes() now returns _PyInitError rather than calling Py_FatalError(). * Misc code cleanup
This commit is contained in:
Victor Stinner
GitHub
parent
28f6cb34f6
commit
6d43f6f081
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@ -30,12 +30,13 @@ extern PyObject * _PyBuiltin_Init(void);
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extern _PyInitError _PySys_BeginInit(PyObject **sysmod);
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extern int _PySys_EndInit(PyObject *sysdict, PyInterpreterState *interp);
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extern _PyInitError _PyImport_Init(PyInterpreterState *interp);
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extern _PyInitError _PyExc_Init(PyObject * bltinmod);
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extern _PyInitError _PyExc_Init(void);
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extern _PyInitError _PyBuiltins_AddExceptions(PyObject * bltinmod);
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extern _PyInitError _PyImportHooks_Init(void);
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extern int _PyFloat_Init(void);
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extern _PyInitError _Py_HashRandomization_Init(const _PyCoreConfig *);
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extern void _Py_ReadyTypes(void);
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extern _PyInitError _Py_ReadyTypes(void);
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/* Various internal finalizers */
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@ -0,0 +1,2 @@
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Reorganize Python initialization to get working exceptions and sys.stderr
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earlier.
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@ -2492,7 +2492,7 @@ SimpleExtendsException(PyExc_Warning, ResourceWarning,
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#endif /* MS_WINDOWS */
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_PyInitError
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_PyExc_Init(PyObject *bltinmod)
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_PyExc_Init(void)
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{
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#define PRE_INIT(TYPE) \
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if (!(_PyExc_ ## TYPE.tp_flags & Py_TPFLAGS_READY)) { \
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@ -2502,21 +2502,6 @@ _PyExc_Init(PyObject *bltinmod)
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Py_INCREF(PyExc_ ## TYPE); \
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}
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#define POST_INIT(TYPE) \
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if (PyDict_SetItemString(bdict, # TYPE, PyExc_ ## TYPE)) { \
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return _Py_INIT_ERR("Module dictionary insertion problem."); \
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}
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#define INIT_ALIAS(NAME, TYPE) \
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do { \
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Py_INCREF(PyExc_ ## TYPE); \
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Py_XDECREF(PyExc_ ## NAME); \
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PyExc_ ## NAME = PyExc_ ## TYPE; \
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if (PyDict_SetItemString(bdict, # NAME, PyExc_ ## NAME)) { \
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return _Py_INIT_ERR("Module dictionary insertion problem."); \
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} \
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} while (0)
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#define ADD_ERRNO(TYPE, CODE) \
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do { \
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PyObject *_code = PyLong_FromLong(CODE); \
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@ -2526,8 +2511,6 @@ _PyExc_Init(PyObject *bltinmod)
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Py_DECREF(_code); \
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} while (0)
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PyObject *bdict;
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PRE_INIT(BaseException);
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PRE_INIT(Exception);
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PRE_INIT(TypeError);
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@ -2596,6 +2579,68 @@ _PyExc_Init(PyObject *bltinmod)
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PRE_INIT(ProcessLookupError);
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PRE_INIT(TimeoutError);
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if (preallocate_memerrors() < 0) {
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return _Py_INIT_ERR("Could not preallocate MemoryError object");
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}
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/* Add exceptions to errnomap */
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if (!errnomap) {
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errnomap = PyDict_New();
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if (!errnomap) {
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return _Py_INIT_ERR("Cannot allocate map from errnos to OSError subclasses");
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}
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}
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ADD_ERRNO(BlockingIOError, EAGAIN);
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ADD_ERRNO(BlockingIOError, EALREADY);
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ADD_ERRNO(BlockingIOError, EINPROGRESS);
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ADD_ERRNO(BlockingIOError, EWOULDBLOCK);
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ADD_ERRNO(BrokenPipeError, EPIPE);
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#ifdef ESHUTDOWN
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ADD_ERRNO(BrokenPipeError, ESHUTDOWN);
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#endif
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ADD_ERRNO(ChildProcessError, ECHILD);
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ADD_ERRNO(ConnectionAbortedError, ECONNABORTED);
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ADD_ERRNO(ConnectionRefusedError, ECONNREFUSED);
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ADD_ERRNO(ConnectionResetError, ECONNRESET);
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ADD_ERRNO(FileExistsError, EEXIST);
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ADD_ERRNO(FileNotFoundError, ENOENT);
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ADD_ERRNO(IsADirectoryError, EISDIR);
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ADD_ERRNO(NotADirectoryError, ENOTDIR);
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ADD_ERRNO(InterruptedError, EINTR);
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ADD_ERRNO(PermissionError, EACCES);
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ADD_ERRNO(PermissionError, EPERM);
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ADD_ERRNO(ProcessLookupError, ESRCH);
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ADD_ERRNO(TimeoutError, ETIMEDOUT);
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return _Py_INIT_OK();
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#undef PRE_INIT
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#undef ADD_ERRNO
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}
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/* Add exception types to the builtins module */
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_PyInitError
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_PyBuiltins_AddExceptions(PyObject *bltinmod)
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{
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#define POST_INIT(TYPE) \
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if (PyDict_SetItemString(bdict, # TYPE, PyExc_ ## TYPE)) { \
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return _Py_INIT_ERR("Module dictionary insertion problem."); \
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}
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#define INIT_ALIAS(NAME, TYPE) \
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do { \
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Py_INCREF(PyExc_ ## TYPE); \
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Py_XDECREF(PyExc_ ## NAME); \
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PyExc_ ## NAME = PyExc_ ## TYPE; \
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if (PyDict_SetItemString(bdict, # NAME, PyExc_ ## NAME)) { \
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return _Py_INIT_ERR("Module dictionary insertion problem."); \
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} \
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} while (0)
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PyObject *bdict;
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bdict = PyModule_GetDict(bltinmod);
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if (bdict == NULL) {
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return _Py_INIT_ERR("exceptions bootstrapping error.");
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@ -2656,61 +2701,28 @@ _PyExc_Init(PyObject *bltinmod)
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POST_INIT(BytesWarning);
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POST_INIT(ResourceWarning);
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if (!errnomap) {
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errnomap = PyDict_New();
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if (!errnomap) {
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return _Py_INIT_ERR("Cannot allocate map from errnos to OSError subclasses");
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}
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}
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/* OSError subclasses */
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POST_INIT(ConnectionError);
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POST_INIT(BlockingIOError);
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ADD_ERRNO(BlockingIOError, EAGAIN);
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ADD_ERRNO(BlockingIOError, EALREADY);
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ADD_ERRNO(BlockingIOError, EINPROGRESS);
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ADD_ERRNO(BlockingIOError, EWOULDBLOCK);
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POST_INIT(BrokenPipeError);
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ADD_ERRNO(BrokenPipeError, EPIPE);
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#ifdef ESHUTDOWN
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ADD_ERRNO(BrokenPipeError, ESHUTDOWN);
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#endif
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POST_INIT(ChildProcessError);
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ADD_ERRNO(ChildProcessError, ECHILD);
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POST_INIT(ConnectionAbortedError);
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ADD_ERRNO(ConnectionAbortedError, ECONNABORTED);
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POST_INIT(ConnectionRefusedError);
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ADD_ERRNO(ConnectionRefusedError, ECONNREFUSED);
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POST_INIT(ConnectionResetError);
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ADD_ERRNO(ConnectionResetError, ECONNRESET);
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POST_INIT(FileExistsError);
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ADD_ERRNO(FileExistsError, EEXIST);
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POST_INIT(FileNotFoundError);
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ADD_ERRNO(FileNotFoundError, ENOENT);
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POST_INIT(IsADirectoryError);
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ADD_ERRNO(IsADirectoryError, EISDIR);
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POST_INIT(NotADirectoryError);
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ADD_ERRNO(NotADirectoryError, ENOTDIR);
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POST_INIT(InterruptedError);
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ADD_ERRNO(InterruptedError, EINTR);
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POST_INIT(PermissionError);
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ADD_ERRNO(PermissionError, EACCES);
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ADD_ERRNO(PermissionError, EPERM);
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POST_INIT(ProcessLookupError);
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ADD_ERRNO(ProcessLookupError, ESRCH);
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POST_INIT(TimeoutError);
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ADD_ERRNO(TimeoutError, ETIMEDOUT);
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if (preallocate_memerrors() < 0) {
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return _Py_INIT_ERR("Could not preallocate MemoryError object");
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}
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return _Py_INIT_OK();
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#undef PRE_INIT
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#undef POST_INIT
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#undef INIT_ALIAS
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#undef ADD_ERRNO
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}
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void
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@ -359,6 +359,9 @@ stdprinter_write(PyStdPrinter_Object *self, PyObject *args)
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Py_ssize_t n;
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int err;
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/* The function can clear the current exception */
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assert(!PyErr_Occurred());
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if (self->fd < 0) {
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/* fd might be invalid on Windows
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* I can't raise an exception here. It may lead to an
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@ -367,10 +370,11 @@ stdprinter_write(PyStdPrinter_Object *self, PyObject *args)
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Py_RETURN_NONE;
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}
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if (!PyArg_ParseTuple(args, "U", &unicode))
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if (!PyArg_ParseTuple(args, "U", &unicode)) {
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return NULL;
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}
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/* encode Unicode to UTF-8 */
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/* Encode Unicode to UTF-8/surrogateescape */
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str = PyUnicode_AsUTF8AndSize(unicode, &n);
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if (str == NULL) {
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PyErr_Clear();
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@ -1999,8 +1999,9 @@ _PyFloat_Init(void)
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/* Init float info */
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if (FloatInfoType.tp_name == NULL) {
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if (PyStructSequence_InitType2(&FloatInfoType, &floatinfo_desc) < 0)
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if (PyStructSequence_InitType2(&FloatInfoType, &floatinfo_desc) < 0) {
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return 0;
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}
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}
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return 1;
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}
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@ -5635,8 +5635,9 @@ _PyLong_Init(void)
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/* initialize int_info */
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if (Int_InfoType.tp_name == NULL) {
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if (PyStructSequence_InitType2(&Int_InfoType, &int_info_desc) < 0)
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if (PyStructSequence_InitType2(&Int_InfoType, &int_info_desc) < 0) {
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return 0;
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}
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}
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return 1;
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263
Objects/object.c
263
Objects/object.c
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@ -1716,200 +1716,83 @@ PyObject _Py_NotImplementedStruct = {
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1, &_PyNotImplemented_Type
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};
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void
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_PyInitError
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_Py_ReadyTypes(void)
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{
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if (PyType_Ready(&PyBaseObject_Type) < 0)
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Py_FatalError("Can't initialize object type");
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#define INIT_TYPE(TYPE, NAME) \
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do { \
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if (PyType_Ready(TYPE) < 0) { \
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return _Py_INIT_ERR("Can't initialize " NAME " type"); \
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} \
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} while (0)
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if (PyType_Ready(&PyType_Type) < 0)
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Py_FatalError("Can't initialize type type");
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INIT_TYPE(&PyBaseObject_Type, "object");
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INIT_TYPE(&PyType_Type, "type");
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INIT_TYPE(&_PyWeakref_RefType, "weakref");
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INIT_TYPE(&_PyWeakref_CallableProxyType, "callable weakref proxy");
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INIT_TYPE(&_PyWeakref_ProxyType, "weakref proxy");
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INIT_TYPE(&PyLong_Type, "int");
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INIT_TYPE(&PyBool_Type, "bool");
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INIT_TYPE(&PyByteArray_Type, "bytearray");
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INIT_TYPE(&PyBytes_Type, "str");
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INIT_TYPE(&PyList_Type, "list");
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INIT_TYPE(&_PyNone_Type, "None");
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INIT_TYPE(&_PyNotImplemented_Type, "NotImplemented");
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INIT_TYPE(&PyTraceBack_Type, "traceback");
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INIT_TYPE(&PySuper_Type, "super");
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INIT_TYPE(&PyRange_Type, "range");
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INIT_TYPE(&PyDict_Type, "dict");
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INIT_TYPE(&PyDictKeys_Type, "dict keys");
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INIT_TYPE(&PyDictValues_Type, "dict values");
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INIT_TYPE(&PyDictItems_Type, "dict items");
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INIT_TYPE(&PyDictRevIterKey_Type, "reversed dict keys");
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INIT_TYPE(&PyDictRevIterValue_Type, "reversed dict values");
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INIT_TYPE(&PyDictRevIterItem_Type, "reversed dict items");
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INIT_TYPE(&PyODict_Type, "OrderedDict");
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INIT_TYPE(&PyODictKeys_Type, "odict_keys");
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INIT_TYPE(&PyODictItems_Type, "odict_items");
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INIT_TYPE(&PyODictValues_Type, "odict_values");
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INIT_TYPE(&PyODictIter_Type, "odict_keyiterator");
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INIT_TYPE(&PySet_Type, "set");
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INIT_TYPE(&PyUnicode_Type, "str");
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INIT_TYPE(&PySlice_Type, "slice");
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INIT_TYPE(&PyStaticMethod_Type, "static method");
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INIT_TYPE(&PyComplex_Type, "complex");
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INIT_TYPE(&PyFloat_Type, "float");
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INIT_TYPE(&PyFrozenSet_Type, "frozenset");
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INIT_TYPE(&PyProperty_Type, "property");
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INIT_TYPE(&_PyManagedBuffer_Type, "managed buffer");
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INIT_TYPE(&PyMemoryView_Type, "memoryview");
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INIT_TYPE(&PyTuple_Type, "tuple");
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INIT_TYPE(&PyEnum_Type, "enumerate");
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INIT_TYPE(&PyReversed_Type, "reversed");
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INIT_TYPE(&PyStdPrinter_Type, "StdPrinter");
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INIT_TYPE(&PyCode_Type, "code");
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INIT_TYPE(&PyFrame_Type, "frame");
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INIT_TYPE(&PyCFunction_Type, "builtin function");
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INIT_TYPE(&PyMethod_Type, "method");
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INIT_TYPE(&PyFunction_Type, "function");
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INIT_TYPE(&PyDictProxy_Type, "dict proxy");
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INIT_TYPE(&PyGen_Type, "generator");
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INIT_TYPE(&PyGetSetDescr_Type, "get-set descriptor");
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INIT_TYPE(&PyWrapperDescr_Type, "wrapper");
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INIT_TYPE(&_PyMethodWrapper_Type, "method wrapper");
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INIT_TYPE(&PyEllipsis_Type, "ellipsis");
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INIT_TYPE(&PyMemberDescr_Type, "member descriptor");
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INIT_TYPE(&_PyNamespace_Type, "namespace");
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INIT_TYPE(&PyCapsule_Type, "capsule");
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INIT_TYPE(&PyLongRangeIter_Type, "long range iterator");
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INIT_TYPE(&PyCell_Type, "cell");
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INIT_TYPE(&PyInstanceMethod_Type, "instance method");
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INIT_TYPE(&PyClassMethodDescr_Type, "class method descr");
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INIT_TYPE(&PyMethodDescr_Type, "method descr");
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INIT_TYPE(&PyCallIter_Type, "call iter");
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INIT_TYPE(&PySeqIter_Type, "sequence iterator");
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INIT_TYPE(&PyCoro_Type, "coroutine");
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INIT_TYPE(&_PyCoroWrapper_Type, "coroutine wrapper");
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return _Py_INIT_OK();
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if (PyType_Ready(&_PyWeakref_RefType) < 0)
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Py_FatalError("Can't initialize weakref type");
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if (PyType_Ready(&_PyWeakref_CallableProxyType) < 0)
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Py_FatalError("Can't initialize callable weakref proxy type");
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if (PyType_Ready(&_PyWeakref_ProxyType) < 0)
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Py_FatalError("Can't initialize weakref proxy type");
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if (PyType_Ready(&PyLong_Type) < 0)
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Py_FatalError("Can't initialize int type");
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if (PyType_Ready(&PyBool_Type) < 0)
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Py_FatalError("Can't initialize bool type");
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if (PyType_Ready(&PyByteArray_Type) < 0)
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Py_FatalError("Can't initialize bytearray type");
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if (PyType_Ready(&PyBytes_Type) < 0)
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Py_FatalError("Can't initialize 'str'");
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if (PyType_Ready(&PyList_Type) < 0)
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Py_FatalError("Can't initialize list type");
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if (PyType_Ready(&_PyNone_Type) < 0)
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Py_FatalError("Can't initialize None type");
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if (PyType_Ready(&_PyNotImplemented_Type) < 0)
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Py_FatalError("Can't initialize NotImplemented type");
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if (PyType_Ready(&PyTraceBack_Type) < 0)
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Py_FatalError("Can't initialize traceback type");
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if (PyType_Ready(&PySuper_Type) < 0)
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Py_FatalError("Can't initialize super type");
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if (PyType_Ready(&PyRange_Type) < 0)
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Py_FatalError("Can't initialize range type");
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if (PyType_Ready(&PyDict_Type) < 0)
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Py_FatalError("Can't initialize dict type");
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if (PyType_Ready(&PyDictKeys_Type) < 0)
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Py_FatalError("Can't initialize dict keys type");
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if (PyType_Ready(&PyDictValues_Type) < 0)
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Py_FatalError("Can't initialize dict values type");
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if (PyType_Ready(&PyDictItems_Type) < 0)
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Py_FatalError("Can't initialize dict items type");
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if (PyType_Ready(&PyDictRevIterKey_Type) < 0)
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Py_FatalError("Can't initialize reversed dict keys type");
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if (PyType_Ready(&PyDictRevIterValue_Type) < 0)
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Py_FatalError("Can't initialize reversed dict values type");
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if (PyType_Ready(&PyDictRevIterItem_Type) < 0)
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Py_FatalError("Can't initialize reversed dict items type");
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if (PyType_Ready(&PyODict_Type) < 0)
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Py_FatalError("Can't initialize OrderedDict type");
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if (PyType_Ready(&PyODictKeys_Type) < 0)
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Py_FatalError("Can't initialize odict_keys type");
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if (PyType_Ready(&PyODictItems_Type) < 0)
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Py_FatalError("Can't initialize odict_items type");
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if (PyType_Ready(&PyODictValues_Type) < 0)
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Py_FatalError("Can't initialize odict_values type");
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if (PyType_Ready(&PyODictIter_Type) < 0)
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Py_FatalError("Can't initialize odict_keyiterator type");
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if (PyType_Ready(&PySet_Type) < 0)
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Py_FatalError("Can't initialize set type");
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if (PyType_Ready(&PyUnicode_Type) < 0)
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Py_FatalError("Can't initialize str type");
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if (PyType_Ready(&PySlice_Type) < 0)
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Py_FatalError("Can't initialize slice type");
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if (PyType_Ready(&PyStaticMethod_Type) < 0)
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Py_FatalError("Can't initialize static method type");
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if (PyType_Ready(&PyComplex_Type) < 0)
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Py_FatalError("Can't initialize complex type");
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if (PyType_Ready(&PyFloat_Type) < 0)
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Py_FatalError("Can't initialize float type");
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|
||||
if (PyType_Ready(&PyFrozenSet_Type) < 0)
|
||||
Py_FatalError("Can't initialize frozenset type");
|
||||
|
||||
if (PyType_Ready(&PyProperty_Type) < 0)
|
||||
Py_FatalError("Can't initialize property type");
|
||||
|
||||
if (PyType_Ready(&_PyManagedBuffer_Type) < 0)
|
||||
Py_FatalError("Can't initialize managed buffer type");
|
||||
|
||||
if (PyType_Ready(&PyMemoryView_Type) < 0)
|
||||
Py_FatalError("Can't initialize memoryview type");
|
||||
|
||||
if (PyType_Ready(&PyTuple_Type) < 0)
|
||||
Py_FatalError("Can't initialize tuple type");
|
||||
|
||||
if (PyType_Ready(&PyEnum_Type) < 0)
|
||||
Py_FatalError("Can't initialize enumerate type");
|
||||
|
||||
if (PyType_Ready(&PyReversed_Type) < 0)
|
||||
Py_FatalError("Can't initialize reversed type");
|
||||
|
||||
if (PyType_Ready(&PyStdPrinter_Type) < 0)
|
||||
Py_FatalError("Can't initialize StdPrinter");
|
||||
|
||||
if (PyType_Ready(&PyCode_Type) < 0)
|
||||
Py_FatalError("Can't initialize code type");
|
||||
|
||||
if (PyType_Ready(&PyFrame_Type) < 0)
|
||||
Py_FatalError("Can't initialize frame type");
|
||||
|
||||
if (PyType_Ready(&PyCFunction_Type) < 0)
|
||||
Py_FatalError("Can't initialize builtin function type");
|
||||
|
||||
if (PyType_Ready(&PyMethod_Type) < 0)
|
||||
Py_FatalError("Can't initialize method type");
|
||||
|
||||
if (PyType_Ready(&PyFunction_Type) < 0)
|
||||
Py_FatalError("Can't initialize function type");
|
||||
|
||||
if (PyType_Ready(&PyDictProxy_Type) < 0)
|
||||
Py_FatalError("Can't initialize dict proxy type");
|
||||
|
||||
if (PyType_Ready(&PyGen_Type) < 0)
|
||||
Py_FatalError("Can't initialize generator type");
|
||||
|
||||
if (PyType_Ready(&PyGetSetDescr_Type) < 0)
|
||||
Py_FatalError("Can't initialize get-set descriptor type");
|
||||
|
||||
if (PyType_Ready(&PyWrapperDescr_Type) < 0)
|
||||
Py_FatalError("Can't initialize wrapper type");
|
||||
|
||||
if (PyType_Ready(&_PyMethodWrapper_Type) < 0)
|
||||
Py_FatalError("Can't initialize method wrapper type");
|
||||
|
||||
if (PyType_Ready(&PyEllipsis_Type) < 0)
|
||||
Py_FatalError("Can't initialize ellipsis type");
|
||||
|
||||
if (PyType_Ready(&PyMemberDescr_Type) < 0)
|
||||
Py_FatalError("Can't initialize member descriptor type");
|
||||
|
||||
if (PyType_Ready(&_PyNamespace_Type) < 0)
|
||||
Py_FatalError("Can't initialize namespace type");
|
||||
|
||||
if (PyType_Ready(&PyCapsule_Type) < 0)
|
||||
Py_FatalError("Can't initialize capsule type");
|
||||
|
||||
if (PyType_Ready(&PyLongRangeIter_Type) < 0)
|
||||
Py_FatalError("Can't initialize long range iterator type");
|
||||
|
||||
if (PyType_Ready(&PyCell_Type) < 0)
|
||||
Py_FatalError("Can't initialize cell type");
|
||||
|
||||
if (PyType_Ready(&PyInstanceMethod_Type) < 0)
|
||||
Py_FatalError("Can't initialize instance method type");
|
||||
|
||||
if (PyType_Ready(&PyClassMethodDescr_Type) < 0)
|
||||
Py_FatalError("Can't initialize class method descr type");
|
||||
|
||||
if (PyType_Ready(&PyMethodDescr_Type) < 0)
|
||||
Py_FatalError("Can't initialize method descr type");
|
||||
|
||||
if (PyType_Ready(&PyCallIter_Type) < 0)
|
||||
Py_FatalError("Can't initialize call iter type");
|
||||
|
||||
if (PyType_Ready(&PySeqIter_Type) < 0)
|
||||
Py_FatalError("Can't initialize sequence iterator type");
|
||||
|
||||
if (PyType_Ready(&PyCoro_Type) < 0)
|
||||
Py_FatalError("Can't initialize coroutine type");
|
||||
|
||||
if (PyType_Ready(&_PyCoroWrapper_Type) < 0)
|
||||
Py_FatalError("Can't initialize coroutine wrapper type");
|
||||
#undef INIT_TYPE
|
||||
}
|
||||
|
||||
|
||||
|
|
|
|||
|
|
@ -15239,7 +15239,6 @@ _PyUnicode_Init(void)
|
|||
if (PyType_Ready(&PyFormatterIter_Type) < 0) {
|
||||
return _Py_INIT_ERR("Can't initialize formatter iter type");
|
||||
}
|
||||
|
||||
return _Py_INIT_OK();
|
||||
}
|
||||
|
||||
|
|
|
|||
|
|
@ -464,9 +464,22 @@ _Py_SetLocaleFromEnv(int category)
|
|||
*/
|
||||
|
||||
static _PyInitError
|
||||
_Py_Initialize_ReconfigureCore(PyInterpreterState *interp,
|
||||
_Py_Initialize_ReconfigureCore(PyInterpreterState **interp_p,
|
||||
const _PyCoreConfig *core_config)
|
||||
{
|
||||
PyThreadState *tstate = _PyThreadState_GET();
|
||||
if (!tstate) {
|
||||
return _Py_INIT_ERR("failed to read thread state");
|
||||
}
|
||||
|
||||
PyInterpreterState *interp = tstate->interp;
|
||||
if (interp == NULL) {
|
||||
return _Py_INIT_ERR("can't make main interpreter");
|
||||
}
|
||||
*interp_p = interp;
|
||||
|
||||
/* bpo-34008: For backward compatibility reasons, calling Py_Main() after
|
||||
Py_Initialize() ignores the new configuration. */
|
||||
if (core_config->allocator != NULL) {
|
||||
const char *allocator = _PyMem_GetAllocatorsName();
|
||||
if (allocator == NULL || strcmp(core_config->allocator, allocator) != 0) {
|
||||
|
|
@ -492,57 +505,16 @@ _Py_Initialize_ReconfigureCore(PyInterpreterState *interp,
|
|||
}
|
||||
|
||||
|
||||
/* Begin interpreter initialization
|
||||
*
|
||||
* On return, the first thread and interpreter state have been created,
|
||||
* but the compiler, signal handling, multithreading and
|
||||
* multiple interpreter support, and codec infrastructure are not yet
|
||||
* available.
|
||||
*
|
||||
* The import system will support builtin and frozen modules only.
|
||||
* The only supported io is writing to sys.stderr
|
||||
*
|
||||
* If any operation invoked by this function fails, a fatal error is
|
||||
* issued and the function does not return.
|
||||
*
|
||||
* Any code invoked from this function should *not* assume it has access
|
||||
* to the Python C API (unless the API is explicitly listed as being
|
||||
* safe to call without calling Py_Initialize first)
|
||||
*
|
||||
* The caller is responsible to call _PyCoreConfig_Read().
|
||||
*/
|
||||
|
||||
static _PyInitError
|
||||
_Py_InitializeCore_impl(PyInterpreterState **interp_p,
|
||||
const _PyCoreConfig *core_config)
|
||||
pycore_init_runtime(const _PyCoreConfig *core_config)
|
||||
{
|
||||
PyInterpreterState *interp;
|
||||
_PyInitError err;
|
||||
|
||||
/* bpo-34008: For backward compatibility reasons, calling Py_Main() after
|
||||
Py_Initialize() ignores the new configuration. */
|
||||
if (_PyRuntime.core_initialized) {
|
||||
PyThreadState *tstate = _PyThreadState_GET();
|
||||
if (!tstate) {
|
||||
return _Py_INIT_ERR("failed to read thread state");
|
||||
}
|
||||
|
||||
interp = tstate->interp;
|
||||
if (interp == NULL) {
|
||||
return _Py_INIT_ERR("can't make main interpreter");
|
||||
}
|
||||
*interp_p = interp;
|
||||
|
||||
return _Py_Initialize_ReconfigureCore(interp, core_config);
|
||||
}
|
||||
|
||||
if (_PyRuntime.initialized) {
|
||||
return _Py_INIT_ERR("main interpreter already initialized");
|
||||
}
|
||||
|
||||
_PyCoreConfig_SetGlobalConfig(core_config);
|
||||
|
||||
err = _PyRuntime_Initialize();
|
||||
_PyInitError err = _PyRuntime_Initialize();
|
||||
if (_Py_INIT_FAILED(err)) {
|
||||
return err;
|
||||
}
|
||||
|
|
@ -573,8 +545,15 @@ _Py_InitializeCore_impl(PyInterpreterState **interp_p,
|
|||
if (_Py_INIT_FAILED(err)) {
|
||||
return err;
|
||||
}
|
||||
return _Py_INIT_OK();
|
||||
}
|
||||
|
||||
interp = PyInterpreterState_New();
|
||||
|
||||
static _PyInitError
|
||||
pycore_create_interpreter(const _PyCoreConfig *core_config,
|
||||
PyInterpreterState **interp_p)
|
||||
{
|
||||
PyInterpreterState *interp = PyInterpreterState_New();
|
||||
if (interp == NULL) {
|
||||
return _Py_INIT_ERR("can't make main interpreter");
|
||||
}
|
||||
|
|
@ -603,24 +582,61 @@ _Py_InitializeCore_impl(PyInterpreterState **interp_p,
|
|||
/* Create the GIL */
|
||||
PyEval_InitThreads();
|
||||
|
||||
_Py_ReadyTypes();
|
||||
return _Py_INIT_OK();
|
||||
}
|
||||
|
||||
if (!_PyLong_Init())
|
||||
|
||||
static _PyInitError
|
||||
pycore_init_types(void)
|
||||
{
|
||||
_PyInitError err = _Py_ReadyTypes();
|
||||
if (_Py_INIT_FAILED(err)) {
|
||||
return err;
|
||||
}
|
||||
|
||||
err = _PyUnicode_Init();
|
||||
if (_Py_INIT_FAILED(err)) {
|
||||
return err;
|
||||
}
|
||||
|
||||
if (_PyStructSequence_Init() < 0) {
|
||||
return _Py_INIT_ERR("can't initialize structseq");
|
||||
}
|
||||
|
||||
if (!_PyLong_Init()) {
|
||||
return _Py_INIT_ERR("can't init longs");
|
||||
}
|
||||
|
||||
if (!_PyFloat_Init())
|
||||
err = _PyExc_Init();
|
||||
if (_Py_INIT_FAILED(err)) {
|
||||
return err;
|
||||
}
|
||||
|
||||
if (!_PyFloat_Init()) {
|
||||
return _Py_INIT_ERR("can't init float");
|
||||
}
|
||||
|
||||
if (!_PyContext_Init()) {
|
||||
return _Py_INIT_ERR("can't init context");
|
||||
}
|
||||
return _Py_INIT_OK();
|
||||
}
|
||||
|
||||
|
||||
static _PyInitError
|
||||
pycore_init_sys(PyInterpreterState *interp, PyObject **sysmod_p)
|
||||
{
|
||||
PyObject *modules = PyDict_New();
|
||||
if (modules == NULL)
|
||||
return _Py_INIT_ERR("can't make modules dictionary");
|
||||
interp->modules = modules;
|
||||
|
||||
PyObject *sysmod;
|
||||
err = _PySys_BeginInit(&sysmod);
|
||||
_PyInitError err = _PySys_BeginInit(&sysmod);
|
||||
if (_Py_INIT_FAILED(err)) {
|
||||
return err;
|
||||
}
|
||||
*sysmod_p = sysmod;
|
||||
|
||||
interp->sysdict = PyModule_GetDict(sysmod);
|
||||
if (interp->sysdict == NULL) {
|
||||
|
|
@ -631,39 +647,49 @@ _Py_InitializeCore_impl(PyInterpreterState **interp_p,
|
|||
PyDict_SetItemString(interp->sysdict, "modules", modules);
|
||||
_PyImport_FixupBuiltin(sysmod, "sys", modules);
|
||||
|
||||
err = _PyUnicode_Init();
|
||||
if (_Py_INIT_FAILED(err)) {
|
||||
return err;
|
||||
}
|
||||
|
||||
if (_PyStructSequence_Init() < 0)
|
||||
return _Py_INIT_ERR("can't initialize structseq");
|
||||
|
||||
PyObject *bimod = _PyBuiltin_Init();
|
||||
if (bimod == NULL)
|
||||
return _Py_INIT_ERR("can't initialize builtins modules");
|
||||
_PyImport_FixupBuiltin(bimod, "builtins", modules);
|
||||
interp->builtins = PyModule_GetDict(bimod);
|
||||
if (interp->builtins == NULL)
|
||||
return _Py_INIT_ERR("can't initialize builtins dict");
|
||||
Py_INCREF(interp->builtins);
|
||||
|
||||
/* initialize builtin exceptions */
|
||||
err = _PyExc_Init(bimod);
|
||||
if (_Py_INIT_FAILED(err)) {
|
||||
return err;
|
||||
}
|
||||
|
||||
/* Set up a preliminary stderr printer until we have enough
|
||||
infrastructure for the io module in place. */
|
||||
infrastructure for the io module in place.
|
||||
|
||||
Use UTF-8/surrogateescape and ignore EAGAIN errors. */
|
||||
PyObject *pstderr = PyFile_NewStdPrinter(fileno(stderr));
|
||||
if (pstderr == NULL)
|
||||
if (pstderr == NULL) {
|
||||
return _Py_INIT_ERR("can't set preliminary stderr");
|
||||
}
|
||||
_PySys_SetObjectId(&PyId_stderr, pstderr);
|
||||
PySys_SetObject("__stderr__", pstderr);
|
||||
Py_DECREF(pstderr);
|
||||
|
||||
err = _PyImport_Init(interp);
|
||||
return _Py_INIT_OK();
|
||||
}
|
||||
|
||||
|
||||
static _PyInitError
|
||||
pycore_init_builtins(PyInterpreterState *interp)
|
||||
{
|
||||
PyObject *bimod = _PyBuiltin_Init();
|
||||
if (bimod == NULL) {
|
||||
return _Py_INIT_ERR("can't initialize builtins modules");
|
||||
}
|
||||
_PyImport_FixupBuiltin(bimod, "builtins", interp->modules);
|
||||
|
||||
interp->builtins = PyModule_GetDict(bimod);
|
||||
if (interp->builtins == NULL) {
|
||||
return _Py_INIT_ERR("can't initialize builtins dict");
|
||||
}
|
||||
Py_INCREF(interp->builtins);
|
||||
|
||||
_PyInitError err = _PyBuiltins_AddExceptions(bimod);
|
||||
if (_Py_INIT_FAILED(err)) {
|
||||
return err;
|
||||
}
|
||||
return _Py_INIT_OK();
|
||||
}
|
||||
|
||||
|
||||
static _PyInitError
|
||||
pycore_init_import_warnings(PyInterpreterState *interp, PyObject *sysmod)
|
||||
{
|
||||
_PyInitError err = _PyImport_Init(interp);
|
||||
if (_Py_INIT_FAILED(err)) {
|
||||
return err;
|
||||
}
|
||||
|
|
@ -678,29 +704,85 @@ _Py_InitializeCore_impl(PyInterpreterState **interp_p,
|
|||
return _Py_INIT_ERR("can't initialize warnings");
|
||||
}
|
||||
|
||||
if (!_PyContext_Init())
|
||||
return _Py_INIT_ERR("can't init context");
|
||||
|
||||
if (core_config->_install_importlib) {
|
||||
err = _PyCoreConfig_SetPathConfig(core_config);
|
||||
if (interp->core_config._install_importlib) {
|
||||
err = _PyCoreConfig_SetPathConfig(&interp->core_config);
|
||||
if (_Py_INIT_FAILED(err)) {
|
||||
return err;
|
||||
}
|
||||
}
|
||||
|
||||
/* This call sets up builtin and frozen import support */
|
||||
if (core_config->_install_importlib) {
|
||||
if (interp->core_config._install_importlib) {
|
||||
err = initimport(interp, sysmod);
|
||||
if (_Py_INIT_FAILED(err)) {
|
||||
return err;
|
||||
}
|
||||
}
|
||||
return _Py_INIT_OK();
|
||||
}
|
||||
|
||||
|
||||
static _PyInitError
|
||||
_Py_InitializeCore_impl(PyInterpreterState **interp_p,
|
||||
const _PyCoreConfig *core_config)
|
||||
{
|
||||
PyInterpreterState *interp;
|
||||
|
||||
_PyInitError err = pycore_init_runtime(core_config);
|
||||
if (_Py_INIT_FAILED(err)) {
|
||||
return err;
|
||||
}
|
||||
|
||||
err = pycore_create_interpreter(core_config, &interp);
|
||||
if (_Py_INIT_FAILED(err)) {
|
||||
return err;
|
||||
}
|
||||
core_config = &interp->core_config;
|
||||
*interp_p = interp;
|
||||
|
||||
err = pycore_init_types();
|
||||
if (_Py_INIT_FAILED(err)) {
|
||||
return err;
|
||||
}
|
||||
|
||||
PyObject *sysmod;
|
||||
err = pycore_init_sys(interp, &sysmod);
|
||||
if (_Py_INIT_FAILED(err)) {
|
||||
return err;
|
||||
}
|
||||
|
||||
err = pycore_init_builtins(interp);
|
||||
if (_Py_INIT_FAILED(err)) {
|
||||
return err;
|
||||
}
|
||||
|
||||
err = pycore_init_import_warnings(interp, sysmod);
|
||||
if (_Py_INIT_FAILED(err)) {
|
||||
return err;
|
||||
}
|
||||
|
||||
/* Only when we get here is the runtime core fully initialized */
|
||||
_PyRuntime.core_initialized = 1;
|
||||
return _Py_INIT_OK();
|
||||
}
|
||||
|
||||
/* Begin interpreter initialization
|
||||
*
|
||||
* On return, the first thread and interpreter state have been created,
|
||||
* but the compiler, signal handling, multithreading and
|
||||
* multiple interpreter support, and codec infrastructure are not yet
|
||||
* available.
|
||||
*
|
||||
* The import system will support builtin and frozen modules only.
|
||||
* The only supported io is writing to sys.stderr
|
||||
*
|
||||
* If any operation invoked by this function fails, a fatal error is
|
||||
* issued and the function does not return.
|
||||
*
|
||||
* Any code invoked from this function should *not* assume it has access
|
||||
* to the Python C API (unless the API is explicitly listed as being
|
||||
* safe to call without calling Py_Initialize first)
|
||||
*/
|
||||
_PyInitError
|
||||
_Py_InitializeCore(PyInterpreterState **interp_p,
|
||||
const _PyCoreConfig *src_config)
|
||||
|
|
@ -730,7 +812,12 @@ _Py_InitializeCore(PyInterpreterState **interp_p,
|
|||
goto done;
|
||||
}
|
||||
|
||||
err = _Py_InitializeCore_impl(interp_p, &config);
|
||||
if (!_PyRuntime.core_initialized) {
|
||||
err = _Py_InitializeCore_impl(interp_p, &config);
|
||||
}
|
||||
else {
|
||||
err = _Py_Initialize_ReconfigureCore(interp_p, &config);
|
||||
}
|
||||
|
||||
done:
|
||||
_PyMem_SetDefaultAllocator(PYMEM_DOMAIN_RAW, &old_alloc);
|
||||
|
|
@ -1270,6 +1357,11 @@ new_interpreter(PyThreadState **tstate_p)
|
|||
return _Py_INIT_ERR("failed to copy main interpreter config");
|
||||
}
|
||||
|
||||
err = _PyExc_Init();
|
||||
if (_Py_INIT_FAILED(err)) {
|
||||
return err;
|
||||
}
|
||||
|
||||
/* XXX The following is lax in error checking */
|
||||
PyObject *modules = PyDict_New();
|
||||
if (modules == NULL) {
|
||||
|
|
@ -1301,18 +1393,15 @@ new_interpreter(PyThreadState **tstate_p)
|
|||
goto handle_error;
|
||||
}
|
||||
|
||||
/* initialize builtin exceptions */
|
||||
err = _PyExc_Init(bimod);
|
||||
if (_Py_INIT_FAILED(err)) {
|
||||
return err;
|
||||
}
|
||||
|
||||
if (bimod != NULL && sysmod != NULL) {
|
||||
PyObject *pstderr;
|
||||
err = _PyBuiltins_AddExceptions(bimod);
|
||||
if (_Py_INIT_FAILED(err)) {
|
||||
return err;
|
||||
}
|
||||
|
||||
/* Set up a preliminary stderr printer until we have enough
|
||||
infrastructure for the io module in place. */
|
||||
pstderr = PyFile_NewStdPrinter(fileno(stderr));
|
||||
PyObject *pstderr = PyFile_NewStdPrinter(fileno(stderr));
|
||||
if (pstderr == NULL) {
|
||||
return _Py_INIT_ERR("can't set preliminary stderr");
|
||||
}
|
||||
|
|
|
|||
Loading…
Reference in New Issue