#24663: DEBUG view AttributeError on exception value.__traceback__ in python2
-------------------------------------+-------------------------------------
     Reporter:  fero                 |                    Owner:  fero
         Type:  Bug                  |                   Status:  new
    Component:  Core (Other)         |                  Version:  master
     Severity:  Release blocker      |               Resolution:
     Keywords:  debugview debug      |             Triage Stage:
  template_debug                     |  Unreviewed
    Has patch:  0                    |      Needs documentation:  0
  Needs tests:  0                    |  Patch needs improvement:  0
Easy pickings:  1                    |                    UI/UX:  0
-------------------------------------+-------------------------------------
Changes (by fero):

 * needs_better_patch:   => 0
 * needs_tests:   => 0
 * needs_docs:   => 0


Comment:

 I suppose that
 [https://github.com/django/django/blob/master/django/views/debug.py#L452-L454
 this comment] is not completely true ;). Code follows

 {{{
 # In case there's just one exception (always in Python 2,
 # sometimes in Python 3), take the traceback from self.tb (Python 2
 # doesn't have a __traceback__ attribute on Exception)
 exc_value = exceptions.pop()
 tb = self.tb if not exceptions else exc_value.__traceback__
 }}}

 Just some debug printing infos...

 {{{
 BEFORE [
     IntegrityError('NOT NULL constraint failed: base_product.created',),
     IntegrityError('NOT NULL constraint failed: base_product.created',)
 ]
 AFTER exceptions.pop() [
     IntegrityError('NOT NULL constraint failed: base_product.created',)
 ]
 }}}

--
Ticket URL: <https://code.djangoproject.com/ticket/24663#comment:1>
Django <https://code.djangoproject.com/>
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