3.6.0rc1 - Cpython — ContextQMD

.. bpo: 23722 .. date: 9790 .. nonce: e8BH5h .. release date: 2016-12-06 .. section: Core and Builtins

Rather than silently producing a class that doesn't support zero-argument super() in methods, failing to pass the new __classcell__ namespace entry up to type.__new__ now results in a DeprecationWarning and a class that supports zero-argument super().

.. bpo: 28797 .. date: 9789 .. nonce: _A0_Z5 .. section: Core and Builtins

Modifying the class dict inside the set_name method of a descriptor that is used inside that class no longer prevents calling the set_name method of other descriptors.

.. bpo: 28782 .. date: 9788 .. nonce: foJV_E .. section: Core and Builtins

Fix a bug in the implementation yield from when checking if the next instruction is YIELD_FROM. Regression introduced by WORDCODE (issue #26647).

.. bpo: 27030 .. date: 9787 .. nonce: 88FOrz .. section: Library

Unknown escapes in re.sub() replacement template are allowed again. But they still are deprecated and will be disabled in 3.7.

.. bpo: 28835 .. date: 9786 .. nonce: Fv7Dr1 .. section: Library

Fix a regression introduced in warnings.catch_warnings(): call warnings.showwarning() if it was overridden inside the context manager.

.. bpo: 27172 .. date: 9785 .. nonce: mVKfLT .. section: Library

To assist with upgrades from 2.7, the previously documented deprecation of inspect.getfullargspec() has been reversed. This decision may be revisited again after the Python 2.7 branch is no longer officially supported.

.. bpo: 26273 .. date: 9784 .. nonce: ilNIWN .. section: Library

Add new :const:socket.TCP_CONGESTION (Linux 2.6.13) and :const:socket.TCP_USER_TIMEOUT (Linux 2.6.37) constants. Patch written by Omar Sandoval.

.. bpo: 24142 .. date: 9783 .. nonce: IrZnFs .. section: Library

Reading a corrupt config file left configparser in an invalid state. Original patch by Florian Höch.

.. bpo: 28843 .. date: 9782 .. nonce: O7M0LE .. section: Library

Fix asyncio C Task to handle exceptions traceback.

.. bpo: 28808 .. date: 9781 .. nonce: A03X6r .. section: C API

PyUnicode_CompareWithASCIIString() now never raises exceptions.

.. bpo: 23722 .. date: 9780 .. nonce: 6HX6fk .. section: Documentation

The data model reference and the porting section in the What's New guide now cover the additional __classcell__ handling needed for custom metaclasses to fully support :pep:487 and zero-argument super().

.. bpo: 28023 .. date: 9779 .. nonce: 4gzSGp .. section: Tools/Demos

Fix python-gdb.py didn't support new dict implementation.