[pull] main from python:main - #1381
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curses.screen.close() detaches the screen's standard window: the wrapper object stays alive but the curses window behind it is gone. panel.replace() did not check for that, so it stored the detached window in the panel and curses dereferenced it on the panel's next use, killing the interpreter with SIGSEGV. Raise curses.panel.error instead, the way new_panel() already does on the same window.
…H-154003) It passed the traceback as the second argument to a new TypeError, so that the traceback object ended up in args and the original error was not chained. The original error now propagates, as in the C implementation.
…GH-155865) screen.use() makes its screen current for the callback, but the module kept recording the previously current screen, so newwin(), newpad() and getwin() tagged the new window with the wrong owner. The window then failed to keep its own screen alive: the screen could be freed while the window was still in use, and the next call on it read freed memory. initscr() inside use() returned the other screen's standard window for the same reason.
peek() returned a slice of the internal bytearray, where read() converts with take_bytes(). It also did not coerce its size through __index__ and did not hold the lock while slicing, both of which read() and the C implementation do.
…systems (#155827) The "forkserver" start method (the default start method on non-Windows systems) requires the ability to write temporary files, which is not possible if TMPDIR is read-only (e.g., k8s containers mounted with `readOnlyRootFilesystem=True`). On such filesystems, the default start method changes from "forkserver" to "spawn".
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