Mirror
/
cpython
mirror of https://github.com/python/cpython
4
1
Fork 0
Code Issues Releases Wiki Activity

Fix 2.7ism.

This commit is contained in:
Georg Brandl 2010-08-03 10:16:19 +00:00
parent c438d1d021
commit 1ce3a6864c
1 changed files with 4 additions and 7 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

11
Doc/library/constants.rst
View File

@ -42,17 +42,14 @@ A small number of constants live in the built-in namespace. They are:
.. data:: __debug__
This constant is true if Python was not started with an :option:`-O` option.
See also the :keyword:`assert` statement.
It cannot be reassigned. See also the :keyword:`assert` statement.
.. note::
The names :data:`None` and :data:`__debug__` cannot be reassigned
(assignments to them, even as an attribute name, raise :exc:`SyntaxError`),
so they can be considered "true" constants.
.. versionchanged:: 2.7
Assignments to ``__debug__`` as an attribute became illegal.
The name :data:`None` cannot be reassigned (assignments to it, even as an
attribute name, raise :exc:`SyntaxError`), so it can be considered a "true"
constant.
Constants added by the :mod:`site` module