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AttributeError: 'SingleRelatedObjectDescriptor' object has no attribute 'field' #1

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ppo opened this Issue · 5 comments

3 participants

@ppo

After clicking on "Save" while creating a new export on model E (see below).

Traceback

File "virtualenv/lib/python2.6/site-packages/data_exports/forms.py", line 41, in add_fields
choices = get_choices(model)
>>> model = <E>

File "virtualenv/lib/python2.6/site-packages/data_exports/forms.py", line 58, in get_choices
choices += get_choices(related_model, prefixes=new_prefixes)
>>> model = <D>

File "virtualenv/lib/python2.6/site-packages/data_exports/forms.py", line 58, in get_choices
choices += get_choices(related_model, prefixes=new_prefixes)
>>> model = <C>

File "virtualenv/lib/python2.6/site-packages/data_exports/forms.py", line 58, in get_choices
choices += get_choices(related_model, prefixes=new_prefixes)
>>> model = <A>

File "virtualenv/lib/python2.6/site-packages/data_exports/forms.py", line 54, in get_choices
related_model = getattr(model, f).field.rel.to
>>> model = <A>

Classes

class A(models.Model):
  # some fields

class B(A):
  # some fields

class C(A):
  b = models.ForeignKey(B)
  # some fields

class D(A):
  b = models.ForeignKey(B)
  c = models.ForeignKey(C)
  # some fields

class E(models.Model):
  d = models.ForeignKey(D)
  b = models.ForeignKey(B)
  # some fields

Environment

Python 2.6.5
Django==1.3.1
django-data-exports==0.2
django-inspect-model==0.4

@magopian
Owner

Thanks for the report, i'll look into that asap!

@ppo

With Django==1.4

AttributeError: 'ExportAdmin' object has no attribute 'inline_instances'

Traceback

File "virtualenv/lib/python2.6/site-packages/django/contrib/admin/options.py", line 1063, in change_view
for FormSet, inline in zip(self.get_formsets(request, obj), inline_instances):
>>> obj = <E>
>>> inline_instances = [<data_exports.admin.ColumnInline>]

File "virtualenv/lib/python2.6/site-packages/data_exports/admin.py", line 34, in get_formsets
for inline in self.inline_instances:
>>> self = <data_exports.admin.ExportAdmin>

@pielgrzym

@ppo - fixed this in the pull request if you're still interested.

@magopian
Owner

fixed by @pielgrzym pull request #2

@magopian magopian closed this
@ppo
ppo commented

Thanks, I'll give it another try :-)

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