mirrors/django
1
0
Fork 0
mirror of https://github.com/django/django.git synced 2025-08-03 10:34:04 +00:00
Code Issues Projects Releases Packages Wiki Activity Actions 1

[py3] Replaced __nonzero__ by __bool__

Browse source 
Of course, __nonzero__ alias has been kept for Python 2 compatibility.
This commit is contained in:
Claude Paroz 2012-08-08 14:52:21 +02:00
parent 12cda89ffe
commit 576ec12f8e
7 changed files with 15 additions and 8 deletions
Download patch file Download diff file Expand all files Collapse all files

2
docs/topics/db/optimization.txt
View file

@ -230,7 +230,7 @@ It is optimal because:
#. Use of :ttag:`with` means that we store ``user.emails.all`` in a variable
for later use, allowing its cache to be re-used.
#. The line ``{% if emails %}`` causes ``QuerySet.__nonzero__()`` to be called,
#. The line ``{% if emails %}`` causes ``QuerySet.__bool__()`` to be called,
which causes the ``user.emails.all()`` query to be run on the database, and
at the least the first line to be turned into an ORM object. If there aren't
any results, it will return False, otherwise True.