Try Replacing thumbnails = ImageWithThumbsField(upload_to='your preferred location ', sizes=( your preferred size) For second thumbnail use different size. This might work
Amitt Bhardwj Blog: amittbhardwj.wordpress.com Github: https://github.com/amittbhardwj On Jul 22, 2015 12:52 AM, "divyanshi kathuria" <divyanshikathu...@gmail.com> wrote: > I am using Django Rest framework. I have three fields in my Pin Model : > image,thumbnail_medium and thumbnail_small. I want to create two thumbnails > from the image. How to do that? I tried the following code : But it's not > working. > from django.db import models > from django.contrib.auth.models import User > from thumbs import ImageWithThumbsField > #from taggit.managers import TaggableManager > from PIL import Image > from cStringIO import StringIO > from django.core.files.uploadedfile import SimpleUploadedFile > import os > > > class Pin(models.Model): > > url = models.SlugField(blank=True, null=True) > title = models.TextField(blank=False,null=False,default='Untitled') > description = models.TextField(blank=True, null=True) > is_pro = models.BooleanField(default=False) > is_hidden = models.BooleanField(default=False) > is_for_sale = models.BooleanField(default=False) > is_pro = models.BooleanField(default=False) > price = models.DecimalField(blank=True, null=True, max_digits=10, > decimal_places=2 ,default=0) > price_in_rs = models.BooleanField(default=False) > size_in_inches = models.BooleanField(default=True) > medium = models.TextField(blank=True, null=True) > length = models.DecimalField(blank=True, null=True, max_digits=10, > decimal_places=2 ,default=0) > width = models.DecimalField(blank=True, null=True, max_digits=10, > decimal_places=2 ,default=0) > hearts = models.IntegerField(blank=True, null=True, default=0) > image = models.ImageField(upload_to='pins/pin/originals/') > thumbnail = models.ImageField(upload_to='pins/pin/thumbnails/') > published = models.DateTimeField(auto_now_add=True) > #tags = TaggableManager() > > def __unicode__(self): > return self.url > > def save(self): > 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 = (50, 50) > > # Open original photo which we want to thumbnail using PIL's Image > # object > image = Image.open(self.image.name) > > # Convert to RGB if necessary > # Thanks to Limodou on DjangoSnippets.org > # http://www.djangosnippets.org/snippets/20/ > if image.mode not in ('L', 'RGB'): > image = image.convert('RGB') > > # We use our PIL Image object to create the thumbnail, which > already > # has a thumbnail() convenience method that contrains proportions. > # Additionally, we use Image.ANTIALIAS to make the image look > better. > # Without antialiasing the image pattern artifacts may result. > image.thumbnail(THUMBNAIL_SIZE, Image.ANTIALIAS) > > # Save the thumbnail > temp_handle = StringIO() > image.save(temp_handle, 'png') > temp_handle.seek(0) > > # Save to the thumbnail field > suf = SimpleUploadedFile(os.path.split(self.image.name)[-1], > temp_handle.read(), content_type='image/png') > self.thumbnail.save(suf.name+'.png', suf, save=False) > > # Save this photo instance > super(Pin, self).save() > > Can anyone figure out the problem here? Why is it not creating thumbnails? > > -- > You received this message because you are subscribed to the Google Groups > "Django users" group. > To unsubscribe from this group and stop receiving emails from it, send an > email to django-users+unsubscr...@googlegroups.com. > To post to this group, send email to django-users@googlegroups.com. > Visit this group at http://groups.google.com/group/django-users. > To view this discussion on the web visit > https://groups.google.com/d/msgid/django-users/13e46569-3641-438d-9201-fa079f7f89b2%40googlegroups.com > <https://groups.google.com/d/msgid/django-users/13e46569-3641-438d-9201-fa079f7f89b2%40googlegroups.com?utm_medium=email&utm_source=footer> > . > For more options, visit https://groups.google.com/d/optout. > -- You received this message because you are subscribed to the Google Groups "Django users" group. To unsubscribe from this group and stop receiving emails from it, send an email to django-users+unsubscr...@googlegroups.com. To post to this group, send email to django-users@googlegroups.com. Visit this group at http://groups.google.com/group/django-users. To view this discussion on the web visit https://groups.google.com/d/msgid/django-users/CAJWhTLpo3v%2BV9h-C8m6xibdDws%2BoLKQvGB1gQZuxvSHtrDh6OA%40mail.gmail.com. For more options, visit https://groups.google.com/d/optout.
