def __init__(self, tag_pattern, descr):
        self._pattern = tag_pattern
        regexp = re.compile('\{(?P<chunk>%s)\}' %
                            tag_pattern2re_pattern(tag_pattern))
        RegexpChunkRule.__init__(self, regexp, '\g<chunk>', descr)
Create absolute path name, exported as DATA_FOLDER.
dataset/ETHPy150Open nltk/nltk/nltk/chunk/regexp.py/UnChunkRule.__init__--crossover with--dataset/ETHPy150Open OpenBazaar/OpenBazaar-Server/config.py/_platform_agnostic_data_path