Пример #1
0
  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)
Пример #2
0
  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 
Пример #3
0
def blob_serve(request, slug):
  _file = Blob.get(slug=slug)
  response = http.HttpResponse(content_type=_file.content_type)
  response.write(_file.content)
  return response