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import os
import tempfile
# Try to import PIL in either of the two ways it can end up installed.
# Checking for the existence of Image is enough for CPython, but for PyPy,
# you need to check for the underlying modules.
try:
from PIL import Image, _imaging
except ImportError:
try:
import Image, _imaging
except ImportError:
Image = None
from django.core.files.storage import FileSystemStorage
from django.db import models
from django.db.models.fields.files import ImageFieldFile, ImageField
class Foo(models.Model):
a = models.CharField(max_length=10)
d = models.DecimalField(max_digits=5, decimal_places=3)
def get_foo():
return Foo.objects.get(id=1)
class Bar(models.Model):
b = models.CharField(max_length=10)
a = models.ForeignKey(Foo, default=get_foo)
class Whiz(models.Model):
CHOICES = (
('Group 1', (
(1,'First'),
(2,'Second'),
)
),
('Group 2', (
(3,'Third'),
(4,'Fourth'),
)
),
(0,'Other'),
)
c = models.IntegerField(choices=CHOICES, null=True)
class BigD(models.Model):
d = models.DecimalField(max_digits=38, decimal_places=30)
class BigS(models.Model):
s = models.SlugField(max_length=255)
class BigInt(models.Model):
value = models.BigIntegerField()
null_value = models.BigIntegerField(null = True, blank = True)
class Post(models.Model):
title = models.CharField(max_length=100)
body = models.TextField()
class NullBooleanModel(models.Model):
nbfield = models.NullBooleanField()
class BooleanModel(models.Model):
bfield = models.BooleanField()
string = models.CharField(max_length=10, default='abc')
class RenamedField(models.Model):
modelname = models.IntegerField(name="fieldname", choices=((1,'One'),))
class VerboseNameField(models.Model):
id = models.AutoField("verbose pk", primary_key=True)
field1 = models.BigIntegerField("verbose field1")
field2 = models.BooleanField("verbose field2")
field3 = models.CharField("verbose field3", max_length=10)
field4 = models.CommaSeparatedIntegerField("verbose field4", max_length=99)
field5 = models.DateField("verbose field5")
field6 = models.DateTimeField("verbose field6")
field7 = models.DecimalField("verbose field7", max_digits=6, decimal_places=1)
field8 = models.EmailField("verbose field8")
field9 = models.FileField("verbose field9", upload_to="unused")
field10 = models.FilePathField("verbose field10")
field11 = models.FloatField("verbose field11")
# Don't want to depend on PIL in this test
#field_image = models.ImageField("verbose field")
field12 = models.IntegerField("verbose field12")
field13 = models.IPAddressField("verbose field13")
field14 = models.GenericIPAddressField("verbose field14", protocol="ipv4")
field15 = models.NullBooleanField("verbose field15")
field16 = models.PositiveIntegerField("verbose field16")
field17 = models.PositiveSmallIntegerField("verbose field17")
field18 = models.SlugField("verbose field18")
field19 = models.SmallIntegerField("verbose field19")
field20 = models.TextField("verbose field20")
field21 = models.TimeField("verbose field21")
field22 = models.URLField("verbose field22")
# This model isn't used in any test, just here to ensure it validates successfully.
# See ticket #16570.
class DecimalLessThanOne(models.Model):
d = models.DecimalField(max_digits=3, decimal_places=3)
###############################################################################
# FileField
class Document(models.Model):
myfile = models.FileField(upload_to='unused')
###############################################################################
# ImageField
# If PIL available, do these tests.
if Image:
class TestImageFieldFile(ImageFieldFile):
"""
Custom Field File class that records whether or not the underlying file
was opened.
"""
def __init__(self, *args, **kwargs):
self.was_opened = False
super(TestImageFieldFile, self).__init__(*args,**kwargs)
def open(self):
self.was_opened = True
super(TestImageFieldFile, self).open()
class TestImageField(ImageField):
attr_class = TestImageFieldFile
# Set up a temp directory for file storage.
temp_storage_dir = tempfile.mkdtemp()
temp_storage = FileSystemStorage(temp_storage_dir)
temp_upload_to_dir = os.path.join(temp_storage.location, 'tests')
class Person(models.Model):
"""
Model that defines an ImageField with no dimension fields.
"""
name = models.CharField(max_length=50)
mugshot = TestImageField(storage=temp_storage, upload_to='tests')
class PersonWithHeight(models.Model):
"""
Model that defines an ImageField with only one dimension field.
"""
name = models.CharField(max_length=50)
mugshot = TestImageField(storage=temp_storage, upload_to='tests',
height_field='mugshot_height')
mugshot_height = models.PositiveSmallIntegerField()
class PersonWithHeightAndWidth(models.Model):
"""
Model that defines height and width fields after the ImageField.
"""
name = models.CharField(max_length=50)
mugshot = TestImageField(storage=temp_storage, upload_to='tests',
height_field='mugshot_height',
width_field='mugshot_width')
mugshot_height = models.PositiveSmallIntegerField()
mugshot_width = models.PositiveSmallIntegerField()
class PersonDimensionsFirst(models.Model):
"""
Model that defines height and width fields before the ImageField.
"""
name = models.CharField(max_length=50)
mugshot_height = models.PositiveSmallIntegerField()
mugshot_width = models.PositiveSmallIntegerField()
mugshot = TestImageField(storage=temp_storage, upload_to='tests',
height_field='mugshot_height',
width_field='mugshot_width')
class PersonTwoImages(models.Model):
"""
Model that:
* Defines two ImageFields
* Defines the height/width fields before the ImageFields
* Has a nullalble ImageField
"""
name = models.CharField(max_length=50)
mugshot_height = models.PositiveSmallIntegerField()
mugshot_width = models.PositiveSmallIntegerField()
mugshot = TestImageField(storage=temp_storage, upload_to='tests',
height_field='mugshot_height',
width_field='mugshot_width')
headshot_height = models.PositiveSmallIntegerField(
blank=True, null=True)
headshot_width = models.PositiveSmallIntegerField(
blank=True, null=True)
headshot = TestImageField(blank=True, null=True,
storage=temp_storage, upload_to='tests',
height_field='headshot_height',
width_field='headshot_width')
###############################################################################
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