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[4.1.x] Clarified how to reference RelatedObjectDoesNotExist exceptions. 

Backport of da02cbd1ef from main
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David Sanders 2022-10-02 00:42:10 +10:00 committed by Mariusz Felisiak
parent 96c541ecef
commit f78314875f
1 changed files with 7 additions and 6 deletions
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13
docs/ref/models/fields.txt
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@ -2012,13 +2012,14 @@ your resulting ``User`` model will have the following attributes::
A ``RelatedObjectDoesNotExist`` exception is raised when accessing the reverse
relationship if an entry in the related table doesn't exist. This is a subclass
of the target model's :exc:`Model.DoesNotExist
<django.db.models.Model.DoesNotExist>` exception. For example, if a user
doesn't have a supervisor designated by ``MySpecialUser``::
<django.db.models.Model.DoesNotExist>` exception and can be accessed as an
attribute of the reverse accessor. For example, if a user doesn't have a
supervisor designated by ``MySpecialUser``::
>>> user.supervisor_of
Traceback (most recent call last):
...
RelatedObjectDoesNotExist: User has no supervisor_of.
try:
user.supervisor_of
except User.supervisor_of.RelatedObjectDoesNotExist:
pass
.. _onetoone-arguments: