template.py 文件源码

def _load_user_django(path, debug):
  """Load the given template using the django found in third_party."""
  abspath = os.path.abspath(path)

  if not debug:
    template = template_cache.get(abspath, None)
  else:
    template = None

  if not template:
    directory, file_name = os.path.split(abspath)
    new_settings = {
        'TEMPLATE_DIRS': (directory,),
        'TEMPLATE_DEBUG': debug,
        'DEBUG': debug,
        }
    old_settings = _swap_settings(new_settings)
    try:
      template = django.template.loader.get_template(file_name)
    finally:
      _swap_settings(old_settings)

    if not debug:
      template_cache[abspath] = template

    def wrap_render(context, orig_render=template.render):


      URLNode = django.template.defaulttags.URLNode
      save_urlnode_render = URLNode.render
      old_settings = _swap_settings(new_settings)
      try:
        URLNode.render = _urlnode_render_replacement
        return orig_render(context)
      finally:
        _swap_settings(old_settings)
        URLNode.render = save_urlnode_render

    template.render = wrap_render

  return template