old_contents: #!/usr/bin/env python
  # -*- coding: utf-8 -*-
  from libthumbor import CryptoURL
  from django.conf import settings
  
  
  crypto = CryptoURL(key=settings.THUMBOR_SECURITY_KEY)
  
  
  def _remove_prefix(url, prefix):
      if url.startswith(prefix):
          return url[len(prefix):]
      return url
  
  
  def _remove_schema(url):
      return _remove_prefix(url, 'http://')
  
  
  def _prepend_media_url(url):
      if url.startswith(settings.MEDIA_URL):
          url = _remove_prefix(url, settings.MEDIA_URL)
          url.lstrip('/')
          return u'{}/{}'.format(settings.THUMBOR_MEDIA_URL, url)
      return url
  
  
  def image_url(image_url, **kwargs):
      if not settings.THUMBOR_ENABLED or image_url.split('.')[-1] == 'gif':
          # TODO: alternative ways for generating the thumbnails
          return image_url
  
      image_url = _prepend_media_url(image_url)
      image_url = _remove_schema(image_url)
  
      try:
          encrypted_url = crypto.generate(image_url=image_url,
                                          **dict(settings.THUMBOR_ARGUMENTS,
                                          **kwargs)).strip('/')
      except:
          encrypted_url = ""
      return u'{}/{}'.format(settings.THUMBOR_SERVER, encrypted_url)
  
  
new_contents: #!/usr/bin/env python
  # -*- coding: utf-8 -*-
  from libthumbor import CryptoURL
  from django.conf import settings
  
  
  crypto = CryptoURL(key=settings.THUMBOR_SECURITY_KEY)
  
  
  def _remove_prefix(url, prefix):
      if url.startswith(prefix):
          return url[len(prefix):]
      return url
  
  
  def _remove_schema(url):
      return _remove_prefix(url, 'http://')
  
  
  def _prepend_media_url(url):
      if url.startswith(settings.MEDIA_URL):
          url = _remove_prefix(url, settings.MEDIA_URL)
          url.lstrip('/')
          return u'{}/{}'.format(settings.THUMBOR_MEDIA_URL, url)
      return url
  
  
  def image_url(image_url, **kwargs):
      if not settings.THUMBOR_ENABLED or image_url.split('.')[-1] == 'gif':
          # TODO: alternative ways for generating the thumbnails
          return image_url
  
      image_url = _prepend_media_url(image_url)
      image_url = _remove_schema(image_url)
  
      try:
          encrypted_url = crypto.generate(image_url=image_url,
                                          **dict(settings.THUMBOR_ARGUMENTS,
                                          **kwargs)).strip('/')
          return u'{}/{}'.format(settings.THUMBOR_SERVER, encrypted_url)
      except:
          return u""
  
subject: Update image url generate for THUMBOR_SERVER