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authorBenjamin Peterson <benjamin@python.org>2011-08-09 21:07:01 (GMT)
committerBenjamin Peterson <benjamin@python.org>2011-08-09 21:07:01 (GMT)
commit77c4fd01dd3fa9b7830ca3dcd1506565352d32f3 (patch)
treeeaa6d4460076b09597e0c29c50fd693878f2cc54 /Doc/c-api
parentda3f4ae34b3fc88621b83fcfe5554b878806648e (diff)
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note mutating tp_dict is bad (closes #12719)
Diffstat (limited to 'Doc/c-api')
-rw-r--r--Doc/c-api/typeobj.rst5
1 files changed, 5 insertions, 0 deletions
diff --git a/Doc/c-api/typeobj.rst b/Doc/c-api/typeobj.rst
index 4a6335c..68ca9ad 100644
--- a/Doc/c-api/typeobj.rst
+++ b/Doc/c-api/typeobj.rst
@@ -745,6 +745,11 @@ type objects) *must* have the :attr:`ob_size` field.
This field is not inherited by subtypes (though the attributes defined in here
are inherited through a different mechanism).
+ .. warning::
+
+ It is not safe to use :c:func:`PyDict_SetItem` on or otherwise modify
+ :attr:`tp_dict` with the dictionary C-API.
+
.. c:member:: descrgetfunc PyTypeObject.tp_descr_get