StackOverflow2013

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PO
primarykey
Id
18254442
data
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0
AnswerCount
0
ClosedDate
CommentCount
0
CommunityOwnedDate
CreationDate
2013-08-15T14:06:54.937
FavoriteCount
0
LastActivityDate
2015-08-19T20:57:03.227
LastEditDate
2015-08-19T20:57:03.227
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2023392
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2023392
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623698
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2
Score
2
ViewCount
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text
Body
Here is a complete solution for ya using a form. I used admin views for this: <pre><code>class MyInventoryItemForm(forms.ModelForm): class Meta: model = InventoryItem exclude = ['thumbnail', 'price', 'active'] def clean_photo(self): import StringIO image_field = self.cleaned_data['photo'] photo_new = StringIO.StringIO(image_field.read()) try: from PIL import Image, ImageOps except ImportError: import Image import ImageOps image = Image.open(photo_new) # ImageOps compatible mode if image.mode not in ("L", "RGB"): image = image.convert("RGB") image.thumbnail((200, 200), Image.ANTIALIAS) image_file = StringIO.StringIO() image.save(image_file, 'png') image_field.file = image_file return image_field </code></pre> My inventory model looks like this: <pre><code>class InventoryItem(models.Model): class Meta: ordering = ['name'] verbose_name_plural = "Items" def get_absolute_url(self): return "/products/{0}/".format(self.slug) def get_file_path(instance, filename): if InventoryItem.objects.filter(pk=instance.pk): cur_inventory = InventoryItem.objects.get(pk=instance.pk) if cur_inventory.photo: old_filename = str(cur_inventory.photo) os.remove(os.path.join(MEDIA_ROOT, old_filename)) ext = filename.split('.')[-1] filename = "{0}.{1}".format(uuid.uuid4(), ext) return os.path.join('inventory', filename) #return os.path.join(filename) def admin_image(self): return '<img height="50px" src="{0}/{1}"/>'.format(MEDIA_URL, self.photo) admin_image.allow_tags = True photo = models.ImageField(_('Image'), upload_to=get_file_path, storage=fs, blank=False, null=False) thumbnail = models.ImageField(_('Thumbnail'), upload_to="thumbnails/", storage=fs, blank=True, null=True) </code></pre> .... I ended overwriting the save function of the model instead to save the photo and a thumb instead of just resizing the photo: <pre><code>def save(self): # Save this photo instance first super(InventoryItem, self).save() from PIL import Image from cStringIO import StringIO from django.core.files.uploadedfile import SimpleUploadedFile # Set our max thumbnail size in a tuple (max width, max height) THUMBNAIL_SIZE = (200, 200) # Open original photo which we want to thumbnail using PIL's Image object image = Image.open(os.path.join(MEDIA_ROOT, self.photo.name)) if image.mode not in ('L', 'RGB'): image = image.convert('RGB') image.thumbnail(THUMBNAIL_SIZE, Image.ANTIALIAS) # Save the thumbnail temp_handle = StringIO() image.save(temp_handle, 'png') # image stored to stringIO temp_handle.seek(0) # sets position of file to 0 # Save to the thumbnail field suf = SimpleUploadedFile(os.path.split(self.photo.name)[-1], temp_handle.read(), content_type='image/png') # reads in the file to save it self.thumbnail.save(suf.name+'.png', suf, save=False) #Save this photo instance again to save the thumbnail super(InventoryItem, self).save() </code></pre> Both work great though depending on what you want to do :)
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1. This table or related slice is empty.
PostParentId
1. POresize image on save
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PostTypePostTypeId
1. PTAnswer
UserLastEditorUserId
1. USradtek
UserOwnerUserId
1. USradtek
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