yahoo-eng-team team mailing list archive

[Julien Danjou <1538518@xxxxxxxxxxxxxxxxxx>]

I don't think spamming multiple projects with false bugs is a good idea.
Please stop.

** No longer affects: ceilometer

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https://bugs.launchpad.net/bugs/1538518

Title:
  Avoid using `len(x)` to check if x is empty

Status in Cinder:
  In Progress
Status in Glance:
  In Progress
Status in neutron:
  In Progress
Status in OpenStack Compute (nova):
  In Progress
Status in Rally:
  In Progress
Status in OpenStack Object Storage (swift):
  In Progress

Bug description:
  `len()` is used to check if collection (e.g., a dict, list, set, etc.)
  has items. As collections have a boolean representation too, it is
  better to directly check for true / false.

  rally/common/utils.py
  rally/task/utils.py
  rally/task/validation.py
  tests/unit/doc/test_specs.py

  This change will be more obvious and more readable, and is probably
  cheaper than computing a set intersection, too.

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