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from datetime import datetime
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from django.core.exceptions import ValidationError
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from django.db import models
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from django.test import TestCase
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def validate_answer_to_universe(value):
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raise ValidationError('This is not the answer to life, universe and everything!', code='not42')
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class ModelToValidate(models.Model):
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name = models.CharField(max_length=100)
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created = models.DateTimeField(default=datetime.now)
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number = models.IntegerField(db_column='number_val')
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parent = models.ForeignKey('self', blank=True, null=True, limit_choices_to={'number': 10})
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email = models.EmailField(blank=True)
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url = models.URLField(blank=True)
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f_with_custom_validator = models.IntegerField(blank=True, null=True, validators=[validate_answer_to_universe])
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super(ModelToValidate, self).clean()
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raise ValidationError('Invalid number supplied!')
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class UniqueFieldsModel(models.Model):
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unique_charfield = models.CharField(max_length=100, unique=True)
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unique_integerfield = models.IntegerField(unique=True)
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non_unique_field = models.IntegerField()
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class CustomPKModel(models.Model):
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my_pk_field = models.CharField(max_length=100, primary_key=True)
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class UniqueTogetherModel(models.Model):
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cfield = models.CharField(max_length=100)
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ifield = models.IntegerField()
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efield = models.EmailField()
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unique_together = (('ifield', 'cfield',), ['ifield', 'efield'])
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class UniqueForDateModel(models.Model):
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start_date = models.DateField()
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end_date = models.DateTimeField()
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count = models.IntegerField(unique_for_date="start_date", unique_for_year="end_date")
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order = models.IntegerField(unique_for_month="end_date")
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name = models.CharField(max_length=100)
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class CustomMessagesModel(models.Model):
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other = models.IntegerField(blank=True, null=True)
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number = models.IntegerField(db_column='number_val',
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error_messages={'null': 'NULL', 'not42': 'AAARGH', 'not_equal': '%s != me'},
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validators=[validate_answer_to_universe]
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class Author(models.Model):
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name = models.CharField(max_length=100)
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class Article(models.Model):
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title = models.CharField(max_length=100)
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author = models.ForeignKey(Author)
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pub_date = models.DateTimeField(blank=True)
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if self.pub_date is None:
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self.pub_date = datetime.now()