deb-horizon/HACKING.rst
Timur Sufiev 7023050edd Eliminate mutable default arguments
The best practice in Python is not to use mutable object (i.e. list,
dictionary, or instances of most classes) as value of default
argument (see https://goo.gl/Kwhg0T). A hacking rule to enforce this 
practice is added as well.

The patch was inspired by CR https://review.openstack.org/#/c/198465/ 
and took most of its code from it as well. That's why original 
copyrights are kept.

Closes-Bug: #1471349
Change-Id: Ia77b1736dbc3d4e28ff2d2c3424e9cfcaefa5077
2015-12-17 09:58:46 +00:00

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Horizon Style Commandments
==========================
- Step 1: Read the OpenStack Style Commandments
http://docs.openstack.org/developer/hacking/
- Step 2: Read [hacking] section in tox.ini to find the list of names which
can be imported directly without triggering the "H302: import only modules"
flake8 warning
- Step 3: Read on
Horizon Specific Commandments
-----------------------------
- Read the Horizon contributing documentation at http://docs.openstack.org/developer/horizon/contributing.html
- [M322] Method's default argument shouldn't be mutable.