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gh-150644: Tag Apple system log messages as public. #150645

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gh-150644: Tag Apple system log messages as public. #150645

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3 changes: 3 additions & 0 deletions Misc/NEWS.d/next/macOS/2026-05-31-10-40-00.gh-issue-150644.zLWyjj.rst
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Original file line number Diff line number Diff line change
@@ -0,0 +1,3 @@
When system logging is enabled (with ``config.use_system_logger``, messages
are now tagged as public. This allows the macOS 26 system logger to view
messages without special configuration.
4 changes: 3 additions & 1 deletion Python/pylifecycle.c
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Expand Up @@ -3327,7 +3327,9 @@ apple_log_write_impl(PyObject *self, PyObject *args)

// Pass the user-provided text through explicit %s formatting
// to avoid % literals being interpreted as a formatting directive.
os_log_with_type(OS_LOG_DEFAULT, logtype, "%s", text);
// Using {public} ensures "dynamic" string messages are visible
// in the log without special configuration.
os_log_with_type(OS_LOG_DEFAULT, logtype, "%{public}s", text);
Py_RETURN_NONE;
}

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