Hi
I have the following model, which is just for images and is edited
inline in a different model.
Before I added the def save(self) for the image thumbnail creating, I
could upload multiple images in the Admin "Property" model in one go.
But now i want to resize each image, and this works if I upload the
image via the PropertyImage model, but if i do it via the Related
module "Property" I get an error.
What am i doing wrong? or why would this not work via edit inline?
Thanks!
#Model
class PropertyImage(models.Model):
caption = models.CharField(maxlength=30, help_text="Displayed as the
cation and ALT tag.", core=True)
sortOrder = models.IntegerField(null=True, blank=True,
verbose_name="Sort Order", help_text="0 to high number, 0 is displayed
1st.")
imageheight = models.IntegerField(editable=False, null=True)
imagewidth = models.IntegerField(editable=False, null=True)
imagefile =
models.ImageField(upload_to='uploads',height_field='imageheight',width_field='imagewidth',help_text="Will
be resized to max 800 x max 800 pixel.")
category = models.CharField(maxlength=3, choices=CATEGORY_CHOICES)
property = models.ForeignKey(Property, edit_inline=models.TABULAR,
num_in_admin=8, min_num_in_admin=8, max_num_in_admin=15,
num_extra_on_change=1)
def save(self):
#Image resize to 800 x 800 (max) also stores new size in table.
from PIL import Image
IMAGE_RESIZE = (800, 800)
image = Image.open(self.get_imagefile_filename())
if image.mode not in ('L', 'RGB'):
image = image.convert('RGB')
image.thumbnail(IMAGE_RESIZE, Image.ANTIALIAS)
NEW_SIZE = image.size
self.imageheight = NEW_SIZE[1]
self.imagewidth = NEW_SIZE[0]
image.save(self.get_imagefile_filename())
#finish image resize
super(PropertyImage, self).save()
def __str__(self):
return self.imagefile
class Admin:
pass
Error:
IOError at /admin/Property_Management/property/3/
[Errno 2] No such file or directory: ''
Request Method: POST
Request URL: http://192.168.1.2:8080/admin/Property_Management/property/3/
Exception Type: IOError
Exception Value: [Errno 2] No such file or directory: ''
Exception Location: C:\Python25\Lib\site-packages\PIL\Image.py in
open, line 1888
Python Executable: c:\python25\python.exe
Python Version: 2.5.0
Variable Value
IMAGE_RESIZE (800, 800)
Image <module 'PIL.Image' from 'c:\python25\lib\site-packages\PIL
\Image.pyc'>
self <PropertyImage: >
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