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https://github.com/encode/django-rest-framework.git
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127 lines
4.2 KiB
Python
127 lines
4.2 KiB
Python
import uuid
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from django.contrib.auth.models import User
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from django.db import models
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from django.utils.translation import gettext_lazy as _
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class RESTFrameworkModel(models.Model):
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"""
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Base for test models that sets app_label, so they play nicely.
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"""
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class Meta:
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app_label = 'tests'
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abstract = True
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class BasicModel(RESTFrameworkModel):
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text = models.CharField(
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max_length=100,
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verbose_name=_("Text comes here"),
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help_text=_("Text description.")
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)
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# Models for relations tests
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# ManyToMany
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class ManyToManyTarget(RESTFrameworkModel):
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name = models.CharField(max_length=100)
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class ManyToManySource(RESTFrameworkModel):
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name = models.CharField(max_length=100)
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targets = models.ManyToManyField(ManyToManyTarget, related_name='sources')
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class BasicModelWithUsers(RESTFrameworkModel):
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users = models.ManyToManyField(User)
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# ForeignKey
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class ForeignKeyTarget(RESTFrameworkModel):
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name = models.CharField(max_length=100)
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def get_first_source(self):
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"""Used for testing related field against a callable."""
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return self.sources.all().order_by('pk')[0]
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@property
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def first_source(self):
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"""Used for testing related field against a property."""
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return self.sources.all().order_by('pk')[0]
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class UUIDForeignKeyTarget(RESTFrameworkModel):
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uuid = models.UUIDField(primary_key=True, default=uuid.uuid4)
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name = models.CharField(max_length=100)
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class ForeignKeySource(RESTFrameworkModel):
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name = models.CharField(max_length=100)
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target = models.ForeignKey(ForeignKeyTarget, related_name='sources',
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help_text='Target', verbose_name='Target',
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on_delete=models.CASCADE)
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class ForeignKeySourceWithLimitedChoices(RESTFrameworkModel):
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target = models.ForeignKey(ForeignKeyTarget, help_text='Target',
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verbose_name='Target',
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limit_choices_to={"name__startswith": "limited-"},
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on_delete=models.CASCADE)
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class ForeignKeySourceWithQLimitedChoices(RESTFrameworkModel):
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target = models.ForeignKey(ForeignKeyTarget, help_text='Target',
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verbose_name='Target',
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limit_choices_to=models.Q(name__startswith="limited-"),
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on_delete=models.CASCADE)
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# Nullable ForeignKey
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class NullableForeignKeySource(RESTFrameworkModel):
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name = models.CharField(max_length=100)
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target = models.ForeignKey(ForeignKeyTarget, null=True, blank=True,
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related_name='nullable_sources',
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verbose_name='Optional target object',
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on_delete=models.CASCADE)
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class NullableUUIDForeignKeySource(RESTFrameworkModel):
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name = models.CharField(max_length=100)
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target = models.ForeignKey(ForeignKeyTarget, null=True, blank=True,
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related_name='nullable_sources',
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verbose_name='Optional target object',
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on_delete=models.CASCADE)
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class NestedForeignKeySource(RESTFrameworkModel):
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"""
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Used for testing FK chain. A -> B -> C.
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"""
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name = models.CharField(max_length=100)
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target = models.ForeignKey(NullableForeignKeySource, null=True, blank=True,
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related_name='nested_sources',
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verbose_name='Intermediate target object',
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on_delete=models.CASCADE)
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# OneToOne
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class OneToOneTarget(RESTFrameworkModel):
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name = models.CharField(max_length=100)
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class NullableOneToOneSource(RESTFrameworkModel):
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name = models.CharField(max_length=100)
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target = models.OneToOneField(
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OneToOneTarget, null=True, blank=True,
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related_name='nullable_source', on_delete=models.CASCADE)
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class OneToOnePKSource(RESTFrameworkModel):
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""" Test model where the primary key is a OneToOneField with another model. """
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name = models.CharField(max_length=100)
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target = models.OneToOneField(
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OneToOneTarget, primary_key=True,
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related_name='required_source', on_delete=models.CASCADE)
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