parameters: (self, value=None, offset=0)
docstring: value -- a value to read from for stringio
  
          If value is set, this will be a transport for reading,
          otherwise, it is for writing
docstring_summary: value -- a value to read from for stringio
docstring_tokens: value -- a value to read from for stringio
function: def __init__(self, value=None, offset=0):
          """value -- a value to read from for stringio
  
          If value is set, this will be a transport for reading,
          otherwise, it is for writing"""
          if value is not None:
              self._buffer = BufferIO(value)
          else:
              self._buffer = BufferIO()
          if offset:
              self._buffer.seek(offset)
function_tokens: def __init__ ( self , value = None , offset = 0 ) : if value is not None : self . _buffer = BufferIO ( value ) else : self . _buffer = BufferIO ( ) if offset : self . _buffer . seek ( offset )