I also came across some problems with sorl-thumbnail. It cannot generate "cache" folder and thumbnail_kvstore is always empty. Please see more detail in this question <http://stackoverflow.com/questions/31632749/sorl-thumbnail-unable-to-create-cache> .
On Wednesday, July 22, 2015 at 3:37:11 AM UTC+8, Sadaf Noor wrote: > > In one of my projects I used sorl ( > https://github.com/mariocesar/sorl-thumbnail) instead, it was super easy > and best fit for my project. Every time it asks for a new thumbnail BUT > if it exists in its cache, then that one is returned. If it doesn't, a > new one is generated and stored, then returned. So ultimately it saves. I > don't know your use case. I am just saying it can be an option. > > 2015-07-22 1:22 GMT+06:00 divyanshi kathuria <[email protected] > <javascript:>>: > >> 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 [email protected] <javascript:>. >> To post to this group, send email to [email protected] >> <javascript:>. >> 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. >> > > > > -- > Md. Sadaf Noor (@sadaf2605 <https://twitter.com/sadaf2605>) > www.sadafnoor.com > -- 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 [email protected]. To post to this group, send email to [email protected]. 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/b8b2fd59-2c7c-4719-98fd-bbbe5155248b%40googlegroups.com. For more options, visit https://groups.google.com/d/optout.
