def create_avatar(self, avatar):
blob_ref = Blob.create_blob_from_file(avatar, self, filename=self.username)
self.set_avatar("avatar_%s" % blob_ref.name)
for size, dimensions in settings.AVATAR_SIZES.iteritems():
image = images.Image(blob_ref.content)
original_width, original_height = float(image.width), float(image.height)
if original_width > original_height:
right_x = original_height/original_width
bottom_y = 1.0
else:
right_x = 1.0
bottom_y = original_width/original_height
image.crop(0.0, 0.0, right_x, bottom_y)
width, height = dimensions
image.resize(width, height)
img_content = image.execute_transforms(images.JPEG)
Blob.create_blob(name= "avatar_%s_%s" % (blob_ref.name, size),
content=img_content,
content_type="image/jpeg",
user=self)
def save_with_thumbails(request, form, picture, username, sizes):
logging.info("****** blob.helpers.BlobHelper.save_thumbails")
if form.is_valid():
item = form.save()
if picture is not None:
content = picture.open().read()
if content:
thumbails = Blob.create_thumbails(form.cleaned_data['slug'],
content,
picture.content_type,
username=username,
sizes=sizes)
item.pictures = thumbails
item.picture_blob = picture
item.save()
return item
else:
request.session['form_data'] = request.POST
if picture is not None:
picture.delete()
return None
def blob_serve(request, slug): _file = Blob.get(slug=slug) response = http.HttpResponse(content_type=_file.content_type) response.write(_file.content) return response