def get_abs_and_rel_paths(self, root_path, file_name, input_dir):
<EOL>relative_dir = root_path.replace(input_dir, '<STR_LIT>')<EOL>return os.path.join(root_path, file_name), relative_dir + '<STR_LIT:/>' + file_name<EOL>
Return absolute and relative path for file

:type root_path: str|unicode
:type file_name: str|unicode
:type input_dir: str|unicode
:rtype: tuple