parameters: (type, buffer)
return_statement: return pkey
docstring: Load a public key from a buffer.
  
      :param type: The file type (one of :data:`FILETYPE_PEM`,
          :data:`FILETYPE_ASN1`).
      :param buffer: The buffer the key is stored in.
      :type buffer: A Python string object, either unicode or bytestring.
      :return: The PKey object.
      :rtype: :class:`PKey`
docstring_summary: Load a public key from a buffer.
docstring_tokens: Load a public key from a buffer .
function: def load_publickey(type, buffer):
      """
      Load a public key from a buffer.
  
      :param type: The file type (one of :data:`FILETYPE_PEM`,
          :data:`FILETYPE_ASN1`).
      :param buffer: The buffer the key is stored in.
      :type buffer: A Python string object, either unicode or bytestring.
      :return: The PKey object.
      :rtype: :class:`PKey`
      """
      if isinstance(buffer, _text_type):
          buffer = buffer.encode("ascii")
  
      bio = _new_mem_buf(buffer)
  
      if type == FILETYPE_PEM:
          evp_pkey = _lib.PEM_read_bio_PUBKEY(
              bio, _ffi.NULL, _ffi.NULL, _ffi.NULL)
      elif type == FILETYPE_ASN1:
          evp_pkey = _lib.d2i_PUBKEY_bio(bio, _ffi.NULL)
      else:
          raise ValueError("type argument must be FILETYPE_PEM or FILETYPE_ASN1")
  
      if evp_pkey == _ffi.NULL:
          _raise_current_error()
  
      pkey = PKey.__new__(PKey)
      pkey._pkey = _ffi.gc(evp_pkey, _lib.EVP_PKEY_free)
      pkey._only_public = True
      return pkey
function_tokens: def load_publickey ( type , buffer ) : if isinstance ( buffer , _text_type ) : buffer = buffer . encode ( "ascii" ) bio = _new_mem_buf ( buffer ) if type == FILETYPE_PEM : evp_pkey = _lib . PEM_read_bio_PUBKEY ( bio , _ffi . NULL , _ffi . NULL , _ffi . NULL ) elif type == FILETYPE_ASN1 : evp_pkey = _lib . d2i_PUBKEY_bio ( bio , _ffi . NULL ) else : raise ValueError ( "type argument must be FILETYPE_PEM or FILETYPE_ASN1" ) if evp_pkey == _ffi . NULL : _raise_current_error ( ) pkey = PKey . __new__ ( PKey ) pkey . _pkey = _ffi . gc ( evp_pkey , _lib . EVP_PKEY_free ) pkey . _only_public = True return pkey