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PODjango Error (13, 'Permission denied')
 

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  1. PODjango Error (13, 'Permission denied')
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    <p>I'm been working on this Photo Organizer and Sharing App Part I at <a href="http://lightbird.net/dbe/photo.html" rel="noreferrer">http://lightbird.net/dbe/photo.html</a>. I'm trying to generate a thumbnail and when I do . I get this error.</p> <p>I have Windows Vista.</p> <pre><code> IOError at /admin/photo/image/add/ (13, 'Permission denied') Request Method: POST Request URL: http://127.0.0.1:8000/admin/photo/image/add/ Django Version: 1.4.3 Exception Type: IOError Exception Value: (13, 'Permission denied') Exception Location:C:\Python26\lib\site-packages\PIL\Image.py in save, line 1399 Python Executable:C:\Python26\python.exe Python Version: 2.6.0 Python Path: ['C:\\djcode\\mysite', 'C:\\Python26\\python26.zip', 'C:\\Python26\\DLLs', 'C:\\Python26\\lib', 'C:\\Python26\\lib\\plat-win', 'C:\\Python26\\lib\\lib-tk', 'C:\\Python26', 'C:\\Python26\\lib\\site-packages', 'C:\\Python26\\lib\\site-packages\\PIL'] Server time: Sun, 10 Feb 2013 23:49:34 +1100 </code></pre> <p>My <code>models.py</code> is </p> <pre><code>from django.db import models from django.contrib.auth.models import User from django.contrib import admin from string import join from django.core.files import File from os.path import join as pjoin from tempfile import * import os from PIL import Image as PImage from mysite.settings import MEDIA_ROOT class Album(models.Model): title = models.CharField(max_length=60) public = models.BooleanField(default=False) def __unicode__(self): return self.title class Tag(models.Model): tag = models.CharField(max_length=50) def __unicode__(self): return self.tag class Image(models.Model): title = models.CharField(max_length=60, blank=True, null=True) image = models.FileField(upload_to="images/") tags = models.ManyToManyField(Tag, blank=True) albums = models.ManyToManyField(Album, blank=True) created = models.DateTimeField(auto_now_add=True) rating = models.IntegerField(default=50) width = models.IntegerField(blank=True, null=True) height = models.IntegerField(blank=True, null=True) user = models.ForeignKey(User, null=True, blank=True) thumbnail2 = models.ImageField(upload_to="images/", blank=True, null=True) def __unicode__(self): return self.image.name def save(self, *args, **kwargs): """Save image dimensions.""" super(Image, self).save(*args, **kwargs) im = PImage.open(pjoin(MEDIA_ROOT, self.image.name)) self.width, self.height = im.size # large thumbnail fn, ext = os.path.splitext(self.image.name) im.thumbnail((128,128), PImage.ANTIALIAS) thumb_fn = fn + "-thumb2" + ext tf2 = NamedTemporaryFile() im.save(tf2.name, "JPEG") self.thumbnail2.save(thumb_fn, File(open(tf2.name)), save=False) tf2.close() # small thumbnail im.thumbnail((40,40), PImage.ANTIALIAS) thumb_fn = fn + "-thumb" + ext tf = NamedTemporaryFile() im.save(tf.name, "JPEG") self.thumbnail.save(thumb_fn, File(open(tf.name)), save=False) tf.close() super(Image, self).save(*args, ** kwargs) def size(self): """Image size.""" return "%s x %s" % (self.width, self.height) def __unicode__(self): return self.image.name def tags_(self): lst = [x[1] for x in self.tags.values_list()] return str(join(lst, ', ')) def albums_(self): lst = [x[1] for x in self.albums.values_list()] return str(join(lst, ', ')) def thumbnail(self): return """&lt;a href="/media/%s"&gt;&lt;img border="0" alt="" src="/media/%s" height="40" /&gt;&lt;/a&gt;""" % ( (self.image.name, self.image.name)) thumbnail.allow_tags = True class AlbumAdmin(admin.ModelAdmin): search_fields = ["title"] list_display = ["title"] class TagAdmin(admin.ModelAdmin): list_display = ["tag"] class ImageAdmin(admin.ModelAdmin): search_fields = ["title"] list_display = ["__unicode__", "title", "user", "rating", "size", "tags_", "albums_","thumbnail", "created"] list_filter = ["tags", "albums"] def save_model(self, request, obj, form, change): obj.user = request.user obj.save() </code></pre> <p>The problem is here:</p> <pre><code>from django.core.files import File from os.path import join as pjoin from tempfile import * class Image(models.Model): # ... thumbnail2 = models.ImageField(upload_to="images/", blank=True, null=True) def save(self, *args, **kwargs): """Save image dimensions.""" super(Image, self).save(*args, **kwargs) im = PImage.open(pjoin(MEDIA_ROOT, self.image.name)) self.width, self.height = im.size # large thumbnail fn, ext = os.path.splitext(self.image.name) im.thumbnail((128,128), PImage.ANTIALIAS) thumb_fn = fn + "-thumb2" + ext tf2 = NamedTemporaryFile() im.save(tf2.name, "JPEG") self.thumbnail2.save(thumb_fn, File(open(tf2.name)), save=False) tf2.close() # small thumbnail im.thumbnail((40,40), PImage.ANTIALIAS) thumb_fn = fn + "-thumb" + ext tf = NamedTemporaryFile() im.save(tf.name, "JPEG") self.thumbnail.save(thumb_fn, File(open(tf.name)), save=False) tf.close() super(Image, self).save(*args, ** kwargs) </code></pre> <p>How do I fix this error?</p>
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