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bpo-43916: PyStdPrinter_Type uses Py_TPFLAGS_DISALLOW_INSTANTIATION (GH-25749)

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The PyStdPrinter_Type type now uses the
Py_TPFLAGS_DISALLOW_INSTANTIATION flag to disallow instantiation,
rather than seting a tp_init method which always fail.

Write also unit tests for PyStdPrinter_Type.
This commit is contained in:
Victor Stinner 2021-04-30 14:56:27 +02:00 • committed by GitHub
parent 0cad068ec1
commit 4908fae3d5
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3 changed files with 61 additions and 28 deletions
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Python/sysmodule.c
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@ -3007,7 +3007,7 @@ err_occurred:
/* Set up a preliminary stderr printer until we have enough
infrastructure for the io module in place.
Use UTF-8/surrogateescape and ignore EAGAIN errors. */
Use UTF-8/backslashreplace and ignore EAGAIN errors. */
static PyStatus
_PySys_SetPreliminaryStderr(PyObject *sysdict)
{