@classmethod<EOL><INDENT>def _get_config_file_in_folder(cls, path):<DEDENT>
if os.path.isfile(path):<EOL><INDENT>path = os.path.dirname(path)<EOL><DEDENT>for fn in cls.PROJECT_CONFIG_FILES:<EOL><INDENT>config = RawConfigParser()<EOL>full_path = os.path.join(path, fn)<EOL>if config.read(full_path) and cls._get_section_name(config):<EOL><INDENT>return full_path<EOL><DEDENT><DEDENT>
Look for a configuration file in `path`.

        If exists return its full path, otherwise None.