I did actually try that but if I do this...
# Resize if we have an image.
> if self.image:
> image_resize(self)
>
> super(Profile, self).save(*args, **kwargs)
>
then inside image_resize 'self' is the old image and I get a 404 error on
the line...
img_file = urllib.urlopen(self.image.url)
>
On Friday, March 1, 2013 2:52:23 PM UTC, Sergiy Khohlov wrote:
>
> move your super up
>
> Many thanks,
>
> Serge
>
>
> +380 636150445
> skype: skhohlov
>
>
> On Fri, Mar 1, 2013 at 4:48 PM, sparky <cfsp...@gmail.com <javascript:>>wrote:
>
>> Django newbie :) I'm wondering if you *kind people* could help me work
>> out how to solve a little issue I'm having :) I'm using *S3 storage* via
>> the package
>> django-storages<http://django-storages.readthedocs.org/en/latest/>
>> .
>>
>> The following code gets stuck in an endless loop. I know just enough to
>> know why, but not how to solve...
>>
>> *Remembering I'm a newbie*....
>>
>>
>> This is what the the code I have written does so far....
>>
>> 1) profile gets saves and image uploaded *(without the resize of course)*to
>> S3 -
>> *PERFECT*
>> 2) the full size image is then read from S3 in the image_resize function
>> and resized and renamed in the database - *PERFECT*
>> 3) old large image get deleted from S3 - - *PERFECT*
>> 4) it is then saved on this line *self.image.save *and continues it
>> all over again in a *infinite* loop! - ERROR
>>
>>
>> def save(self, *args, **kwargs):
>> # delete old file when replacing by updating the file
>> try:
>> this = Profile.objects.get(id=self.id)
>> if this.image != self.image:
>> this.image.delete(save=False)
>> except: pass # when new photo then we do nothing, normal case
>> super(Profile, self).save(*args, **kwargs)
>> if self.image:
>> image_resize(self)
>>
>>
>> def image_resize(self):
>> import urllib2 as urllib
>> from cStringIO import StringIO
>> from django.core.files.uploadedfile import SimpleUploadedFile
>>
>> '''Open original photo which we want to resize using PIL's Image
>> object'''
>> img_file = urllib.urlopen(self.image.url)
>> im = StringIO(img_file.read())
>> resized_image = Image.open(im)
>>
>>
>> '''Convert to RGB if necessary'''
>> if resized_image.mode not in ('L', 'RGB'):
>> resized_image = resized_image.convert('RGB')
>>
>> '''We use our PIL Image object to create the resized image, which
>> already
>> has a thumbnail() convenicne method that constrains proportions.
>> Additionally, we use Image.ANTIALIAS to make the image look
>> better.
>> Without antialiasing the image pattern artificats may reulst.'''
>> resized_image.thumbnail((100, 100), Image.ANTIALIAS)
>>
>> '''Save the resized image'''
>> temp_handle = StringIO()
>> resized_image.save(temp_handle, 'jpeg')
>> temp_handle.seek(0)
>>
>>
>> ''' Save to the image field'''
>> suf = SimpleUploadedFile(os.path.split(self.image.name
>> )[-1].split('.')[0],
>> temp_handle.read(),
>> content_type='image/jpeg')
>> self.image.save('%s.jpg' % suf.name, suf, save=True)
>>
>>
>>
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>>
>>
>
>
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