code: def stream_text(text, chunk_size=default_chunk_size):
      
      if isgenerator(text):
          def binary_stream():
              for item in text:
                  if six.PY2 and isinstance(text, six.binary_type):
                      #PY2: Allow binary strings under Python 2 since
                      # Python 2 code is not expected to always get the
                      # distinction between text and binary strings right.
                      yield text
                  else:
                      yield text.encode("utf-8")
          data = binary_stream()
      elif six.PY2 and isinstance(text, six.binary_type):
          #PY2: See above.
          data = text
      else:
          data = text.encode("utf-8")
  
      return stream_bytes(data, chunk_size)
docs: Gets a buffered generator for streaming text.
  
      Returns a buffered generator which encodes a string as
      :mimetype:`multipart/form-data` with the corresponding headers.
  
      Parameters
      ----------
      text : str
          The data bytes to stream
      chunk_size : int
          The maximum size of each stream chunk
  
      Returns
      -------
          (generator, dict)