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Diffstat (limited to 'Doc/whatsnew/3.7.rst')
| -rw-r--r-- | Doc/whatsnew/3.7.rst | 19 |
1 files changed, 19 insertions, 0 deletions
diff --git a/Doc/whatsnew/3.7.rst b/Doc/whatsnew/3.7.rst index 19b766f..3e8617e 100644 --- a/Doc/whatsnew/3.7.rst +++ b/Doc/whatsnew/3.7.rst @@ -107,6 +107,25 @@ locale remains active when the core interpreter is initialized. :pep:`538` -- Coercing the legacy C locale to a UTF-8 based locale PEP written and implemented by Nick Coghlan. +.. _whatsnew37-pep553: + +PEP 553: Built-in breakpoint() +------------------------------ + +:pep:`553` describes a new built-in called ``breakpoint()`` which makes it +easy and consistent to enter the Python debugger. Built-in ``breakpoint()`` +calls ``sys.breakpointhook()``. By default, this latter imports ``pdb`` and +then calls ``pdb.set_trace()``, but by binding ``sys.breakpointhook()`` to the +function of your choosing, ``breakpoint()`` can enter any debugger. Or, the +environment variable :envvar:`PYTHONBREAKPOINT` can be set to the callable of +your debugger of choice. Set ``PYTHONBREAKPOINT=0`` to completely disable +built-in ``breakpoint()``. + +.. seealso:: + + :pep:`553` -- Built-in breakpoint() + PEP written and implemented by Barry Warsaw + Other Language Changes ====================== |