#14018: Introduce class_plural %-substitution placeholder for related_name of
ForeignKey/ManyToManyField
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Reporter: puxlit | Owner: nobody
Status: new | Milestone: 1.3
Component: Database layer (models, ORM) | Version: SVN
Resolution: | Keywords:
related_name, ManyToManyField, ForeignKey, abstract base class
Stage: Design decision needed | Has_patch: 1
Needs_docs: 0 | Needs_tests: 0
Needs_better_patch: 1 |
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Changes (by lrekucki):
* needs_better_patch: 0 => 1
* stage: Unreviewed => Design decision needed
Comment:
The patch "as is" surely needs improvement. A simple solution that comes
to mind would be adding {{{name_plural}}} to Meta. Then
{{{%(class_plural)}}} could be replaced with that value or with class'
name with an "s" added. The example above would then look something like
this:
{{{
class Tag(models.Model):
slug = models.SlugField(max_length=63, unique=True)
class Post(models.Model):
slug = models.SlugField(max_length=127, unique=True)
tags = models.ManyToManyField(Tag,
related_name='tagged_%(class_plural)s')
class Meta:
abstract = True
class Entry(Post):
title = models.CharField(max_length=255)
content = models.TextField()
class Meta:
name_plural = "entries" # related attribute will be
"tagged_entries"
verbose_name_plural = _("Journal entries")
class Event(Post):
summary = models.CharField(max_length=255)
start_date = models.DateTimeField()
# related attribute will be "tagged_events"
}}}
I don't think much people care about this that much, so it's mostly a
"nice to have" feature.
--
Ticket URL: <http://code.djangoproject.com/ticket/14018#comment:3>
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