def __init__(self, io):
self.error_file_names = set()<EOL>"""<STR_LIT>"""<EOL>self._pystratum_metadata = {}<EOL>"""<STR_LIT>"""<EOL>self._pystratum_metadata_filename = None<EOL>"""<STR_LIT>"""<EOL>self._rdbms_old_metadata = {}<EOL>"""<STR_LIT>"""<EOL>self._replace_pairs = {}<EOL>"""<STR_LIT>"""<EOL>self._source_file_encoding = None<EOL>"""<STR_LIT>"""<EOL>self._source_directory = None<EOL>"""<STR_LIT>"""<EOL>self._source_file_extension = None<EOL>"""<STR_LIT>"""<EOL>self._source_file_names = {}<EOL>"""<STR_LIT>"""<EOL>self._constants_class_name = '<STR_LIT>'<EOL>"""<STR_LIT>"""<EOL>self.__shadow_directory = None<EOL>"""<STR_LIT>"""<EOL>self._io = io<EOL>"""<STR_LIT>"""<EOL>
Object constructor.

:param pystratum.style.PyStratumStyle.PyStratumStyle io: The output decorator.