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[Bug 1183578] Re: LazyURLPattern Does Not Implement Special Methods

To: yahoo-eng-team@xxxxxxxxxxxxxxxxxxx
From: Thierry Carrez <thierry.carrez+lp@xxxxxxxxx>
Date: Wed, 17 Jul 2013 10:47:55 -0000
Reply-to: Bug 1183578 <1183578@xxxxxxxxxxxxxxxxxx>
Sender: bounces@xxxxxxxxxxxxx

** Changed in: horizon
       Status: Fix Committed => Fix Released

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https://bugs.launchpad.net/bugs/1183578

Title:
  LazyURLPattern Does Not Implement Special Methods

Status in OpenStack Dashboard (Horizon):
  Fix Released

Bug description:
  Note: Django 1.5

  It would appear that the SimpleLazyObject in Django 1.5 isn't
  forwarding special methods like __len__ and __getitem__ to the wrapped
  object.  Since LazyURLPattern implements the special iteration methods
  itself, but not __len__ and __getitem__, Django gives an HTTP 500
  Internal Server Error when attempting to render the 404 page, since it
  tries to call len() and use [] on the LazyURLPattern.  The fix is
  rather trivial -- see the attached file.

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