Author: Carl Friedrich Bolz <[email protected]>
Branch:
Changeset: r91191:7f5084ffd6c2
Date: 2017-05-06 17:03 +0200
http://bitbucket.org/pypy/pypy/changeset/7f5084ffd6c2/
Log: document that in f(**d) d must contain only string keys
diff --git a/pypy/doc/cpython_differences.rst b/pypy/doc/cpython_differences.rst
--- a/pypy/doc/cpython_differences.rst
+++ b/pypy/doc/cpython_differences.rst
@@ -501,7 +501,11 @@
the rest is kept. If you return an unexpected string from
``__hex__()`` you get an exception (or a crash before CPython 2.7.13).
-* PyPy3: ``__class__`` attritube assignment between heaptypes and non
heaptypes.
+* In PyPy, dictionaries passed as ``**kwargs`` can contain only string keys,
+ even if the called function takes ``**kwargs``. E.g. this code always
+ produces a ``TypeError``, no matter what ``f`` is: ``f(**{1: 2})``.
+
+* PyPy3: ``__class__`` attribute assignment between heaptypes and non
heaptypes.
CPython allows that for module subtypes, but not for e.g. ``int``
or ``float`` subtypes. Currently PyPy does not support the
``__class__`` attribute assignment for any non heaptype subtype.
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