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1be03aff5c
Now this method is only called only if the object is an instance. This allows to have field classes as model class attributes.
273 lines
8.8 KiB
Python
273 lines
8.8 KiB
Python
import os
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import tempfile
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import warnings
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try:
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from PIL import Image
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except ImportError:
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Image = None
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from django.core.files.storage import FileSystemStorage
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from django.db import models
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from django.db.models.fields.files import ImageFieldFile, ImageField
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class Foo(models.Model):
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a = models.CharField(max_length=10)
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d = models.DecimalField(max_digits=5, decimal_places=3)
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def get_foo():
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return Foo.objects.get(id=1)
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class Bar(models.Model):
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b = models.CharField(max_length=10)
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a = models.ForeignKey(Foo, default=get_foo)
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class Whiz(models.Model):
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CHOICES = (
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('Group 1', (
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(1, 'First'),
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(2, 'Second'),
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)
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),
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('Group 2', (
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(3, 'Third'),
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(4, 'Fourth'),
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)
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),
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(0, 'Other'),
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)
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c = models.IntegerField(choices=CHOICES, null=True)
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class BigD(models.Model):
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d = models.DecimalField(max_digits=38, decimal_places=30)
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class FloatModel(models.Model):
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size = models.FloatField()
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class BigS(models.Model):
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s = models.SlugField(max_length=255)
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class SmallIntegerModel(models.Model):
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value = models.SmallIntegerField()
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class IntegerModel(models.Model):
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value = models.IntegerField()
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class BigIntegerModel(models.Model):
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value = models.BigIntegerField()
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null_value = models.BigIntegerField(null=True, blank=True)
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class PositiveSmallIntegerModel(models.Model):
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value = models.PositiveSmallIntegerField()
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class PositiveIntegerModel(models.Model):
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value = models.PositiveIntegerField()
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class Post(models.Model):
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title = models.CharField(max_length=100)
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body = models.TextField()
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class NullBooleanModel(models.Model):
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nbfield = models.NullBooleanField()
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class BooleanModel(models.Model):
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bfield = models.BooleanField(default=None)
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string = models.CharField(max_length=10, default='abc')
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class DateTimeModel(models.Model):
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d = models.DateField()
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dt = models.DateTimeField()
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t = models.TimeField()
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class PrimaryKeyCharModel(models.Model):
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string = models.CharField(max_length=10, primary_key=True)
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class FksToBooleans(models.Model):
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"""Model with FKs to models with {Null,}BooleanField's, #15040"""
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bf = models.ForeignKey(BooleanModel)
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nbf = models.ForeignKey(NullBooleanModel)
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class FkToChar(models.Model):
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"""Model with FK to a model with a CharField primary key, #19299"""
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out = models.ForeignKey(PrimaryKeyCharModel)
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class RenamedField(models.Model):
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modelname = models.IntegerField(name="fieldname", choices=((1, 'One'),))
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class VerboseNameField(models.Model):
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id = models.AutoField("verbose pk", primary_key=True)
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field1 = models.BigIntegerField("verbose field1")
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field2 = models.BooleanField("verbose field2", default=False)
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field3 = models.CharField("verbose field3", max_length=10)
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field4 = models.CommaSeparatedIntegerField("verbose field4", max_length=99)
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field5 = models.DateField("verbose field5")
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field6 = models.DateTimeField("verbose field6")
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field7 = models.DecimalField("verbose field7", max_digits=6, decimal_places=1)
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field8 = models.EmailField("verbose field8")
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field9 = models.FileField("verbose field9", upload_to="unused")
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field10 = models.FilePathField("verbose field10")
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field11 = models.FloatField("verbose field11")
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# Don't want to depend on Pillow in this test
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#field_image = models.ImageField("verbose field")
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field12 = models.IntegerField("verbose field12")
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with warnings.catch_warnings(record=True) as w:
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warnings.simplefilter("always")
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field13 = models.IPAddressField("verbose field13")
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field14 = models.GenericIPAddressField("verbose field14", protocol="ipv4")
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field15 = models.NullBooleanField("verbose field15")
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field16 = models.PositiveIntegerField("verbose field16")
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field17 = models.PositiveSmallIntegerField("verbose field17")
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field18 = models.SlugField("verbose field18")
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field19 = models.SmallIntegerField("verbose field19")
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field20 = models.TextField("verbose field20")
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field21 = models.TimeField("verbose field21")
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field22 = models.URLField("verbose field22")
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###############################################################################
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# These models aren't used in any test, just here to ensure they validate
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# successfully.
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# See ticket #16570.
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class DecimalLessThanOne(models.Model):
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d = models.DecimalField(max_digits=3, decimal_places=3)
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# See ticket #18389.
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class FieldClassAttributeModel(models.Model):
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field_class = models.CharField
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###############################################################################
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class DataModel(models.Model):
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short_data = models.BinaryField(max_length=10, default=b'\x08')
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data = models.BinaryField()
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###############################################################################
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# FileField
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class Document(models.Model):
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myfile = models.FileField(upload_to='unused')
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###############################################################################
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# ImageField
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# If Pillow available, do these tests.
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if Image:
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class TestImageFieldFile(ImageFieldFile):
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"""
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Custom Field File class that records whether or not the underlying file
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was opened.
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"""
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def __init__(self, *args, **kwargs):
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self.was_opened = False
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super(TestImageFieldFile, self).__init__(*args, **kwargs)
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def open(self):
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self.was_opened = True
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super(TestImageFieldFile, self).open()
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class TestImageField(ImageField):
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attr_class = TestImageFieldFile
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# Set up a temp directory for file storage.
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temp_storage_dir = tempfile.mkdtemp()
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temp_storage = FileSystemStorage(temp_storage_dir)
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temp_upload_to_dir = os.path.join(temp_storage.location, 'tests')
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class Person(models.Model):
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"""
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Model that defines an ImageField with no dimension fields.
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"""
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name = models.CharField(max_length=50)
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mugshot = TestImageField(storage=temp_storage, upload_to='tests')
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class AbsctractPersonWithHeight(models.Model):
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"""
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Abstract model that defines an ImageField with only one dimension field
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to make sure the dimension update is correctly run on concrete subclass
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instance post-initialization.
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"""
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mugshot = TestImageField(storage=temp_storage, upload_to='tests',
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height_field='mugshot_height')
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mugshot_height = models.PositiveSmallIntegerField()
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class Meta:
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abstract = True
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class PersonWithHeight(AbsctractPersonWithHeight):
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"""
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Concrete model that subclass an abctract one with only on dimension
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field.
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"""
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name = models.CharField(max_length=50)
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class PersonWithHeightAndWidth(models.Model):
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"""
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Model that defines height and width fields after the ImageField.
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"""
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name = models.CharField(max_length=50)
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mugshot = TestImageField(storage=temp_storage, upload_to='tests',
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height_field='mugshot_height',
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width_field='mugshot_width')
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mugshot_height = models.PositiveSmallIntegerField()
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mugshot_width = models.PositiveSmallIntegerField()
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class PersonDimensionsFirst(models.Model):
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"""
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Model that defines height and width fields before the ImageField.
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"""
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name = models.CharField(max_length=50)
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mugshot_height = models.PositiveSmallIntegerField()
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mugshot_width = models.PositiveSmallIntegerField()
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mugshot = TestImageField(storage=temp_storage, upload_to='tests',
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height_field='mugshot_height',
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width_field='mugshot_width')
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class PersonTwoImages(models.Model):
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"""
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Model that:
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* Defines two ImageFields
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* Defines the height/width fields before the ImageFields
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* Has a nullalble ImageField
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"""
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name = models.CharField(max_length=50)
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mugshot_height = models.PositiveSmallIntegerField()
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mugshot_width = models.PositiveSmallIntegerField()
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mugshot = TestImageField(storage=temp_storage, upload_to='tests',
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height_field='mugshot_height',
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width_field='mugshot_width')
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headshot_height = models.PositiveSmallIntegerField(
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blank=True, null=True)
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headshot_width = models.PositiveSmallIntegerField(
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blank=True, null=True)
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headshot = TestImageField(blank=True, null=True,
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storage=temp_storage, upload_to='tests',
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height_field='headshot_height',
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width_field='headshot_width')
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###############################################################################
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