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Diffstat (limited to 'Doc/whatsnew/3.5.rst')
| -rw-r--r-- | Doc/whatsnew/3.5.rst | 19 |
1 files changed, 17 insertions, 2 deletions
diff --git a/Doc/whatsnew/3.5.rst b/Doc/whatsnew/3.5.rst index c0f9346..75bc7fb 100644 --- a/Doc/whatsnew/3.5.rst +++ b/Doc/whatsnew/3.5.rst @@ -93,6 +93,7 @@ Implementation improvements: (:issue:`19977`). * :pep:`488`, the elimination of ``.pyo`` files. +* :pep:`489`, multi-phase initialization of extension modules. Significantly Improved Library Modules: @@ -265,6 +266,21 @@ updated API to help with this change. :pep:`488` -- Elimination of PYO files +PEP 489: Multi-phase extension module initialization +---------------------------------------------------- + +:pep:`489` updates extension module initialization to take advantage of the +two step module loading mechanism introduced by :pep:`451` in Python 3.4. + +This change brings the import semantics of extension modules that opt-in to +using the new mechanism much closer to those of Python source and bytecode +modules, including the ability to any valid identifier as a module name, +rather than being restricted to ASCII. + +.. seealso:: + + :pep:`488` -- Multi-phase extension module initialization + Other Language Changes ====================== @@ -667,7 +683,7 @@ time tkinter ------- -* The :module:`tkinter._fix` module used for setting up the Tcl/Tk environment +* The :mod:`tkinter._fix` module used for setting up the Tcl/Tk environment on Windows has been replaced by a private function in the :module:`_tkinter` module which makes no permanent changes to environment variables. (Contributed by Zachary Ware in :issue:`20035`.) @@ -1012,7 +1028,6 @@ Changes in the Python API program depends on patching the module level variable to capture the debug output, you will need to update it to capture sys.stderr instead. - Changes in the C API -------------------- |