On Jan 5, 2009, at 6:51 AM, Donn wrote:
> > Hi, > I am stuck on the interface between a PIL Image and a > FilesystemStorage 'content' object. > > I can: img = Image.open(content) > But how do I pass 'img' back to Django for saving? > > My short class is pasted at end. The problem reported stems from the > line: > name=super(CustomImageStorage,self).save(name,img) > > It barfs in PIL saying: > Exception Type: AttributeError > Exception Value: > > chunks > > Exception Location: /usr/lib/python2.5/site-packages/PIL/Image.py in > __getattr__, line 493 > > > I dir() the content and img objects and sure enough, img has no > 'chunks' > attribute. > > Anyway, I can always use img.save(path) but wanted to keep the image > in memory > and not touch ground with it. > > Any ideas? > \d > > Code: > class CustomImageStorage( FileSystemStorage ): > def __init__(self, location, base_url, > makethumbs=False,dropshadow=None): > > super > (CustomImageStorage > ,self).__init__(location=location,base_url=base_url) > self._makethumbs = makethumbs > self._dropshadow = dropshadow > > def get_available_name( self, name ): > self.delete(name) > return name > > def save(self, name, content ): > content.seek(0) > img = Image.open(content) > if self._dropshadow: > img = dropShadow(img, background = > self._dropshadow['background'], > shadow = self._dropshadow['shadow'], > offset = self._dropshadow['offset'], > iterations = > self._dropshadow['iterations'], > border = self._dropshadow['border'] > ) > if self._makethumbs: > try: > thumb = img.copy() > fpaf = self.thumbPath(name) > thumb.thumbnail((64,64),Image.ANTIALIAS) > thumb.save( fpaf ) > except: > pass # some damn error. > img.seek(0) # Random attempt at a fix > name = super( CustomImageStorage,self).save(name,img) # was > content > return name "Content" in this case is supposed to be an instance of django.core.files.File, not raw data (see http://docs.djangoproject.com/en/dev/ref/files/file/) . It's the File object that has the missing "chunks" attribute. At the very least, try instantiating a File object within your save method, write the img data to that file object, and the pass the file to the call to super().save(). Maybe there will be to it than just that, but that's a good place to start. Yours, Eric > > > def delete( self, name): > super(CustomImageStorage,self).delete(name) > if self._makethumbs: > # Now to remove the thumbnail too. > try: > fpaf = self.thumbPath(name) > os.unlink( fpaf ) > except: > pass # Can't delete it... whatever. > > def thumbPath( self, name ): > return os.path.join(self.location,'djanthumbs', name) > > > --~--~---------~--~----~------------~-------~--~----~ You received this message because you are subscribed to the Google Groups "Django users" group. To post to this group, send email to django-users@googlegroups.com To unsubscribe from this group, send email to django-users+unsubscr...@googlegroups.com For more options, visit this group at http://groups.google.com/group/django-users?hl=en -~----------~----~----~----~------~----~------~--~---
