django1/tests/regressiontests/file_storage/models.py

44 lines
1.2 KiB
Python

import os
import tempfile
from django.db import models
from django.core.files.storage import FileSystemStorage
from django.core.files.base import ContentFile
temp_storage = FileSystemStorage(tempfile.gettempdir())
# Test for correct behavior of width_field/height_field.
# Of course, we can't run this without PIL.
try:
# Checking for the existence of Image is enough for CPython, but
# for PyPy, you need to check for the underlying modules
from PIL import Image, _imaging
except ImportError:
Image = None
# If we have PIL, do these tests
if Image:
class Person(models.Model):
name = models.CharField(max_length=50)
mugshot = models.ImageField(storage=temp_storage, upload_to='tests',
height_field='mug_height',
width_field='mug_width')
mug_height = models.PositiveSmallIntegerField()
mug_width = models.PositiveSmallIntegerField()
__test__ = {'API_TESTS': """
>>> image_data = open(os.path.join(os.path.dirname(__file__), "test.png"), 'rb').read()
>>> p = Person(name="Joe")
>>> p.mugshot.save("mug", ContentFile(image_data))
>>> p.mugshot.width
16
>>> p.mugshot.height
16
>>> p.mug_height
16
>>> p.mug_width
16
"""}