def save(self):
product = super(ProductForm, self).save(commit=False)
product.product_type = ProductType.objects.all()[0]
product.save()
x = self.cleaned_data.get('x')
y = self.cleaned_data.get('y')
w = self.cleaned_data.get('width')
h = self.cleaned_data.get('height')
image = Image.open(product.image)
cropped_image = image.crop((x, y, w+x, h+y))
resized_image = cropped_image.resize((400, 400), Image.ANTIALIAS)
buffer = BytesIO()
resized_image.save(fp=buffer, format='JPEG')
pill_image = ContentFile(buffer.getvalue())
image_name = product.image.name
product.image.delete()
temp_image = InMemoryUploadedFile(
pill_image,
None,
image_name,
'image/jpeg',
pill_image.tell,
None)
product.image.save(image_name, temp_image)
product.save()
temp_image.close()
return product
def thing_post_save(sender, created, instance, **kwargs): if not created: return photo_filename = instance.photo basewidth = 150 img = Image.open(photo_filename) wpercent = basewidth / float(img.size[0]) hsize = int(img.size[1] * wpercent) img = img.resize((basewidth, hsize), PIL.Image.ANTIALIAS) img_io = StringIO.StringIO() img.save(img_io, format='JPEG') img_file = InMemoryUploadedFile(img_io, None, 'foo.jpg', 'image/jpeg', img_io.len, None) instance.small = img_file instance.save() img_file.close()
def reduce_image_size(request):
for product in Product.objects.all():
image = Image.open(product.image)
if (len(image.fp.read()) > 500000):
buffer = BytesIO()
image.save(fp=buffer, format='JPEG', quality=20, optimize=True)
pill_image = ContentFile(buffer.getvalue())
image_name = product.image.name
product.image.delete()
temp_image = InMemoryUploadedFile(pill_image, None, image_name,
'image/jpeg', pill_image.tell,
None)
product.image.save(image_name, temp_image)
product.save()
temp_image.close()
return HttpResponse('Success')
