Python 3.9.0b1

Doc/tools/extensions/pyspecific.py

@@ -39,7 +39,7 @@
 
 
 ISSUE_URI = 'https://bugs.python.org/issue%s'
-SOURCE_URI = 'https://github.com/python/cpython/tree/master/%s'
+SOURCE_URI = 'https://github.com/python/cpython/tree/3.9/%s'
 
 # monkey-patch reST parser to disable alphabetic and roman enumerated lists
 from docutils.parsers.rst.states import Body

Include/patchlevel.h

@@ -19,11 +19,11 @@
 #define PY_MAJOR_VERSION        3
 #define PY_MINOR_VERSION        9
 #define PY_MICRO_VERSION        0
-#define PY_RELEASE_LEVEL        PY_RELEASE_LEVEL_ALPHA
-#define PY_RELEASE_SERIAL       6
+#define PY_RELEASE_LEVEL        PY_RELEASE_LEVEL_BETA
+#define PY_RELEASE_SERIAL       1
 
 /* Version as a string */
-#define PY_VERSION              "3.9.0a6+"
+#define PY_VERSION              "3.9.0b1"
 /*--end constants--*/
 
 /* Version as a single 4-byte hex number, e.g. 0x010502B2 == 1.5.2b2.

Lib/pydoc_data/topics.py

 # -*- coding: utf-8 -*-
-# Autogenerated by Sphinx on Mon Apr 27 22:35:16 2020
+# Autogenerated by Sphinx on Tue May 19 00:56:40 2020
 topics = {'assert': 'The "assert" statement\n'
            '**********************\n'
            '\n'

Misc/NEWS.d/next/Build/2020-05-05-15-39-11.bpo-40514.bZZmuS.rst

-Add ``--with-experimental-isolated-subinterpreters`` build option to
-``configure``: better isolate subinterpreters, experimental build mode.

Misc/NEWS.d/next/Build/2020-05-17-03-33-00.bpo-40653.WI8UGn.rst

-Move _dirnameW out of HAVE_SYMLINK to fix a potential compiling issue.
\ No newline at end of file

Misc/NEWS.d/next/C API/2020-01-22-12-38-59.bpo-38787.HUH6hd.rst

-Module C state is now accessible from C-defined heap type methods (:pep:`573`).
-Patch by Marcel Plch and Petr Viktorin.

Misc/NEWS.d/next/C API/2020-04-27-14-00-38.bpo-40217.sgn6c8.rst

-Ensure that instances of types created with
-:c:func:`PyType_FromSpecWithBases` will visit its class object when
-traversing references in the garbage collector (implemented as an extension
-of the provided :c:member:`~PyTypeObject.tp_traverse`). Patch by Pablo
-Galindo.

Misc/NEWS.d/next/C API/2020-04-28-15-47-58.bpo-40421.ZIzOV0.rst

-New :c:func:`PyFrame_GetCode` function: return a borrowed reference to the
-frame code.

Misc/NEWS.d/next/C API/2020-04-28-19-29-36.bpo-40421.3uIIaB.rst

-New :c:func:`PyFrame_GetBack` function: get the frame next outer frame.

Misc/NEWS.d/next/C API/2020-04-28-23-17-27.bpo-40428.rmtpru.rst

-Remove the following functions from the C API. Call :c:func:`PyGC_Collect`
-explicitly to free all free lists.
-
-* ``PyAsyncGen_ClearFreeLists()``
-* ``PyContext_ClearFreeList()``
-* ``PyDict_ClearFreeList()``
-* ``PyFloat_ClearFreeList()``
-* ``PyFrame_ClearFreeList()``
-* ``PyList_ClearFreeList()``
-* ``PySet_ClearFreeList()``
-* ``PyTuple_ClearFreeList()``

Misc/NEWS.d/next/C API/2020-04-29-01-39-41.bpo-40429.VQfvta.rst

-The :c:func:`PyThreadState_GetFrame` function now returns a strong reference
-to the frame.

Misc/NEWS.d/next/C API/2020-05-01-17-28-04.bpo-40412.dE0D8N.rst

-Nullify inittab_copy during finalization, preventing future interpreter initializations in an embedded situation from crashing. Patch by Gregory Szorc.

Misc/NEWS.d/next/C API/2020-05-07-11-41-13.bpo-40545.51DzF1.rst

-Declare ``_PyErr_GetTopmostException()`` with ``PyAPI_FUNC()`` to properly
-export the function in the C API. The function remains private (``_Py``)
-prefix.

Misc/NEWS.d/next/C API/2020-05-10-16-39-08.bpo-38787.XzQ59O.rst

-Add PyCFunction_CheckExact() macro for exact type checks now that we allow subtypes of PyCFunction,
-as well as PyCMethod_CheckExact() and PyCMethod_Check() for the new PyCMethod subtype.

Misc/NEWS.d/next/C API/2020-05-14-00-36-19.bpo-39465.3a5g-X.rst

-Remove the ``_PyUnicode_ClearStaticStrings()`` function from the C API.

Misc/NEWS.d/next/Core and Builtins/2019-11-20-09-50-58.bpo-37986.o0lmA7.rst

-Improve performance of :c:func:`PyLong_FromDouble` for values that fit into
-:c:type:`long`.

Misc/NEWS.d/next/Core and Builtins/2019-11-22-14-34-47.bpo-38880.evcCPa.rst

-Added the ability to list interpreters associated with channel ends in the internal subinterpreters module.

Misc/NEWS.d/next/Core and Builtins/2020-04-08-17-02-35.bpo-40228.bRaaJ-.rst

-Setting frame.f_lineno is now robust w.r.t. changes in the source-to-bytecode compiler

Misc/NEWS.d/next/Core and Builtins/2020-04-19-22-23-32.bpo-40328.gWJ53f.rst

-Add tools for generating mappings headers for CJKCodecs.