bpo-17852: Fix PR #3372, flush BufferedWriter objects on exit.#4847
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nascheme wants to merge 2 commits intopython:masterfrom
Closed
bpo-17852: Fix PR #3372, flush BufferedWriter objects on exit.#4847nascheme wants to merge 2 commits intopython:masterfrom
nascheme wants to merge 2 commits intopython:masterfrom
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New version of PR #3372, which was reverted by 317def9.
We can't use _Py_PyAtExit() as it only supports registering a single
callback. It is used by the atexit module and so we can't use it. We
can't use Py_AtExit() either because it calls functions too late in the
interpreter shutdown process. Instead, create io._flush_all_buffers.
In io.py, register it with the atexit module.
https://bugs.python.org/issue17852