def __init__(self, file_path, meta_keys={"<STR_LIT>": "<STR_LIT>"}):
self.meta = meta_keys<EOL>file_path = Path(file_path)<EOL>if not file_path.exists():<EOL><INDENT>raise IOError("<STR_LIT>".format(file_path))<EOL><DEDENT>if not file_path.is_dir():<EOL><INDENT>self.files = [file_path]<EOL><DEDENT>else:<EOL><INDENT>self.files = list(file_path.iterdir())<EOL><DEDENT>
file_path (unicode / Path): Path to archive or directory of archives.
meta_keys (dict): Meta data key included in the Reddit corpus, mapped
    to display name in Prodigy meta.
RETURNS (Reddit): The Reddit loader.