old_contents: from bs4 import BeautifulSoup
  import os
  from django.conf import settings
  from django.core.files.base import ContentFile
  from django.template import Context, Template
  from imagekit.lib import Image, StringIO
  import pickle
  from .models import Photo
  
  
  def get_image_file():
      """
      See also:
  
      http://en.wikipedia.org/wiki/Lenna
      http://sipi.usc.edu/database/database.php?volume=misc&image=12
  
      """
      path = os.path.join(settings.MEDIA_ROOT, 'lenna.png')
      return open(path, 'r+b')
  
  
  def create_image():
      return Image.open(get_image_file())
  
  
  def create_instance(model_class, image_name):
      instance = model_class()
      img = get_image_file()
      file = ContentFile(img.read())
      instance.original_image = file
      instance.original_image.save(image_name, file)
      instance.save()
      img.close()
      return instance
  
  
  def create_photo(name):
      return create_instance(Photo, name)
  
  
  def pickleback(obj):
      pickled = StringIO()
      pickle.dump(obj, pickled)
      pickled.seek(0)
      return pickle.load(pickled)
  
  
  def render_tag(ttag):
      img = get_image_file()
      template = Template('{%% load imagekit %%}%s' % ttag)
      context = Context({'img': img})
      return template.render(context)
  
  
  def get_html_attrs(ttag):
      return BeautifulSoup(render_tag(ttag)).img.attrs
  
new_contents: from bs4 import BeautifulSoup
  import os
  from django.conf import settings
  from django.core.files import File
  from django.template import Context, Template
  from imagekit.lib import Image, StringIO
  import pickle
  from .models import Photo
  
  
  def get_image_file():
      """
      See also:
  
      http://en.wikipedia.org/wiki/Lenna
      http://sipi.usc.edu/database/database.php?volume=misc&image=12
  
      """
      path = os.path.join(settings.MEDIA_ROOT, 'lenna.png')
      return open(path, 'r+b')
  
  
  def create_image():
      return Image.open(get_image_file())
  
  
  def create_instance(model_class, image_name):
      instance = model_class()
      img = File(get_image_file())
      instance.original_image.save(image_name, img)
      instance.save()
      img.close()
      return instance
  
  
  def create_photo(name):
      return create_instance(Photo, name)
  
  
  def pickleback(obj):
      pickled = StringIO()
      pickle.dump(obj, pickled)
      pickled.seek(0)
      return pickle.load(pickled)
  
  
  def render_tag(ttag):
      img = get_image_file()
      template = Template('{%% load imagekit %%}%s' % ttag)
      context = Context({'img': img})
      return template.render(context)
  
  
  def get_html_attrs(ttag):
      return BeautifulSoup(render_tag(ttag)).img.attrs
  
subject: Clean up util method