1 .. bpo: 23722 2 .. date: 9790 3 .. nonce: e8BH5h 4 .. release date: 2016-12-06 5 .. section: Core and Builtins 6 7 Rather than silently producing a class that doesn't support zero-argument 8 ``super()`` in methods, failing to pass the new ``__classcell__`` namespace 9 entry up to ``type.__new__`` now results in a ``DeprecationWarning`` and a 10 class that supports zero-argument ``super()``. 11 12 .. 13 14 .. bpo: 28797 15 .. date: 9789 16 .. nonce: _A0_Z5 17 .. section: Core and Builtins 18 19 Modifying the class __dict__ inside the __set_name__ method of a descriptor 20 that is used inside that class no longer prevents calling the __set_name__ 21 method of other descriptors. 22 23 .. 24 25 .. bpo: 28782 26 .. date: 9788 27 .. nonce: foJV_E 28 .. section: Core and Builtins 29 30 Fix a bug in the implementation ``yield from`` when checking if the next 31 instruction is YIELD_FROM. Regression introduced by WORDCODE (issue #26647). 32 33 .. 34 35 .. bpo: 27030 36 .. date: 9787 37 .. nonce: 88FOrz 38 .. section: Library 39 40 Unknown escapes in re.sub() replacement template are allowed again. But 41 they still are deprecated and will be disabled in 3.7. 42 43 .. 44 45 .. bpo: 28835 46 .. date: 9786 47 .. nonce: Fv7Dr1 48 .. section: Library 49 50 Fix a regression introduced in warnings.catch_warnings(): call 51 warnings.showwarning() if it was overriden inside the context manager. 52 53 .. 54 55 .. bpo: 27172 56 .. date: 9785 57 .. nonce: mVKfLT 58 .. section: Library 59 60 To assist with upgrades from 2.7, the previously documented deprecation of 61 ``inspect.getfullargspec()`` has been reversed. This decision may be 62 revisited again after the Python 2.7 branch is no longer officially 63 supported. 64 65 .. 66 67 .. bpo: 26273 68 .. date: 9784 69 .. nonce: ilNIWN 70 .. section: Library 71 72 Add new :data:`socket.TCP_CONGESTION` (Linux 2.6.13) and 73 :data:`socket.TCP_USER_TIMEOUT` (Linux 2.6.37) constants. Patch written by 74 Omar Sandoval. 75 76 .. 77 78 .. bpo: 24142 79 .. date: 9783 80 .. nonce: IrZnFs 81 .. section: Library 82 83 Reading a corrupt config file left configparser in an invalid state. 84 Original patch by Florian Hch. 85 86 .. 87 88 .. bpo: 28843 89 .. date: 9782 90 .. nonce: O7M0LE 91 .. section: Library 92 93 Fix asyncio C Task to handle exceptions __traceback__. 94 95 .. 96 97 .. bpo: 28808 98 .. date: 9781 99 .. nonce: A03X6r 100 .. section: C API 101 102 PyUnicode_CompareWithASCIIString() now never raises exceptions. 103 104 .. 105 106 .. bpo: 23722 107 .. date: 9780 108 .. nonce: 6HX6fk 109 .. section: Documentation 110 111 The data model reference and the porting section in the What's New guide now 112 cover the additional ``__classcell__`` handling needed for custom 113 metaclasses to fully support PEP 487 and zero-argument ``super()``. 114 115 .. 116 117 .. bpo: 28023 118 .. date: 9779 119 .. nonce: 4gzSGp 120 .. section: Tools/Demos 121 122 Fix python-gdb.py didn't support new dict implementation. 123
