def get_robot_variables():
prefix = '<STR_LIT>'<EOL>variables = []<EOL>def safe_str(s):<EOL><INDENT>if isinstance(s, six.text_type):<EOL><INDENT>return s<EOL><DEDENT>else:<EOL><INDENT>return six.text_type(s, '<STR_LIT:utf-8>', '<STR_LIT:ignore>')<EOL><DEDENT><DEDENT>for key in os.environ:<EOL><INDENT>if key.startswith(prefix) and len(key) > len(prefix):<EOL><INDENT>variables.append(safe_str(<EOL>'<STR_LIT>' % (key[len(prefix):], os.environ[key]),<EOL>))<EOL><DEDENT><DEDENT>return variables<EOL>
Return list of Robot Framework -compatible cli-variables parsed
    from ROBOT_-prefixed environment variable