old_contents: import io
  import functools
  import warnings
  import six
  
  from .decoder import LabelDecoder
  from .encoder import LabelEncoder
  
  
  def load(stream):
      """Parse an isis label from a stream.
  
      :param stream: a ``.read()``-supporting file-like object containing a label.
          if ``stream`` is a string it will be treated as a filename
      """
      if isinstance(stream, six.string_types):
          with open(stream, 'rb') as fp:
              return LabelDecoder().decode(fp)
      return LabelDecoder().decode(stream)
  
  
  def loads(data, encoding='utf-8'):
      """Parse an isis label from a string.
  
      :param data: an isis label as a string
  
      :returns: a dictionary representation of the given isis label
      """
      if not isinstance(data, bytes):
          data = data.encode(encoding)
      return LabelDecoder().decode(data)
  
  
  def dump(label, stream):
      LabelEncoder().encode(label, stream)
  
  
  def dumps(label):
      stream = io.BytesIO()
      LabelEncoder().encode(label, stream)
      return stream.getvalue()
  
  
  @functools.wraps(load)
  def parse_file_label(stream):
      warnings.warn('parse_file_label is deprecated. use load instead.')
      return load(stream)
  
  
  @functools.wraps(loads)
  def parse_label(data, encoding='utf-8'):
      warnings.warn('parse_label is deprecated. use load instead.')
      return loads(data, encoding='utf-8')
  
new_contents: import io
  import warnings
  import six
  
  from .decoder import LabelDecoder
  from .encoder import LabelEncoder
  
  
  def load(stream):
      """Parse an isis label from a stream.
  
      :param stream: a ``.read()``-supporting file-like object containing a label.
          if ``stream`` is a string it will be treated as a filename
      """
      if isinstance(stream, six.string_types):
          with open(stream, 'rb') as fp:
              return LabelDecoder().decode(fp)
      return LabelDecoder().decode(stream)
  
  
  def loads(data, encoding='utf-8'):
      """Parse an isis label from a string.
  
      :param data: an isis label as a string
  
      :returns: a dictionary representation of the given isis label
      """
      if not isinstance(data, bytes):
          data = data.encode(encoding)
      return LabelDecoder().decode(data)
  
  
  def dump(label, stream):
      LabelEncoder().encode(label, stream)
  
  
  def dumps(label):
      stream = io.BytesIO()
      LabelEncoder().encode(label, stream)
      return stream.getvalue()
  
  
  def parse_file_label(stream):
      load.__doc__ + """
      deprecated:: 0.4.0
      Use load instead.
      """
      warnings.warn('parse_file_label is deprecated. use load instead.')
      return load(stream)
  
  
  def parse_label(data, encoding='utf-8'):
      loads.__doc__ + """
      deprecated:: 0.4.0
      Use loads instead.
      """
      warnings.warn('parse_label is deprecated. use loads instead.')
      return loads(data, encoding='utf-8')
  
subject: Add depreciation messages to old parse_label methods.