On ResourceWarning, log traceback where the object was allocated
Issue #26567:
* Add a new function PyErr_ResourceWarning() function to pass the destroyed
object
* Add a source attribute to warnings.WarningMessage
* Add warnings._showwarnmsg() which uses tracemalloc to get the traceback where
source object was allocated.
diff --git a/Doc/c-api/exceptions.rst b/Doc/c-api/exceptions.rst
index 1e708a8..57f36ac 100644
--- a/Doc/c-api/exceptions.rst
+++ b/Doc/c-api/exceptions.rst
@@ -334,6 +334,14 @@
.. versionadded:: 3.2
+.. c:function:: int PyErr_ResourceWarning(PyObject *source, Py_ssize_t stack_level, const char *format, ...)
+
+ Function similar to :c:func:`PyErr_WarnFormat`, but *category* is
+ :exc:`ResourceWarning` and pass *source* to :func:`warnings.WarningMessage`.
+
+ .. versionadded:: 3.6
+
+
Querying the error indicator
============================