Added blurbs to the model unit tests that didn't have them
git-svn-id: http://code.djangoproject.com/svn/django/trunk@3028 bcc190cf-cafb-0310-a4f2-bffc1f526a37
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"""
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23. Giving models a custom manager
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You can use a custom ``Manager`` in a particular model by extending the base
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``Manager`` class and instantiating your custom ``Manager`` in your model.
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There are two reasons you might want to customize a ``Manager``: to add extra
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``Manager`` methods, and/or to modify the initial ``QuerySet`` the ``Manager``
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returns.
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"""
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from django.db import models
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@ -19,7 +26,7 @@ class Person(models.Model):
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def __repr__(self):
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return "%s %s" % (self.first_name, self.last_name)
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# An example of a custom manager that sets a core_filter on its lookups.
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# An example of a custom manager that sets get_query_set().
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class PublishedBookManager(models.Manager):
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def get_query_set(self):
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@ -1,5 +1,7 @@
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"""
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26. A test to check that the model validator works can correctly identify errors in a model.
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26. Invalid models
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This example exists purely to point out errors in models.
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"""
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from django.db import models
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@ -11,16 +13,16 @@ class FieldErrors(models.Model):
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prepopulate = models.CharField(maxlength=10, prepopulate_from='bad')
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choices = models.CharField(maxlength=10, choices='bad')
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choices2 = models.CharField(maxlength=10, choices=[(1,2,3),(1,2,3)])
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index = models.CharField(maxlength=10, db_index='bad')
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index = models.CharField(maxlength=10, db_index='bad')
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class Target(models.Model):
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tgt_safe = models.CharField(maxlength=10)
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clash1_set = models.CharField(maxlength=10)
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class Clash1(models.Model):
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src_safe = models.CharField(maxlength=10)
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foreign = models.ForeignKey(Target)
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m2m = models.ManyToManyField(Target)
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@ -36,27 +38,27 @@ class Clash2(models.Model):
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class Target2(models.Model):
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foreign_tgt = models.ForeignKey(Target)
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clashforeign_set = models.ForeignKey(Target)
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m2m_tgt = models.ManyToManyField(Target)
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clashm2m_set = models.ManyToManyField(Target)
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class Clash3(models.Model):
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foreign_1 = models.ForeignKey(Target2, related_name='foreign_tgt')
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foreign_2 = models.ForeignKey(Target2, related_name='m2m_tgt')
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m2m_1 = models.ManyToManyField(Target2, related_name='foreign_tgt')
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m2m_2 = models.ManyToManyField(Target2, related_name='m2m_tgt')
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class ClashForeign(models.Model):
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foreign = models.ForeignKey(Target2)
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class ClashM2M(models.Model):
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m2m = models.ManyToManyField(Target2)
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class SelfClashForeign(models.Model):
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src_safe = models.CharField(maxlength=10)
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selfclashforeign_set = models.ForeignKey("SelfClashForeign")
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selfclashforeign_set = models.ForeignKey("SelfClashForeign")
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foreign_1 = models.ForeignKey("SelfClashForeign", related_name='id')
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foreign_2 = models.ForeignKey("SelfClashForeign", related_name='src_safe')
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"""
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25. Default manipulators
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Each model gets an AddManipulator and ChangeManipulator by default.
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"""
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from django.db import models
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@ -1,6 +1,7 @@
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"""
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XX. Model inheritance
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Model inheritance isn't yet supported.
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"""
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from django.db import models
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@ -1,5 +1,7 @@
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"""
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22. Using properties on models
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Use properties on models just like on any other Python object.
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"""
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from django.db import models
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