def _read_json(fn_json):
is_json = set()<EOL>is_db = {}<EOL>with open(fn_json) as handle:<EOL><INDENT>data = json.load(handle)<EOL>for item in list(data[<NUM_LIT:0>].values()):<EOL><INDENT>seqs_name = [list(x.keys()) for x in item['<STR_LIT>']]<EOL>db_name = item['<STR_LIT>'] if "<STR_LIT>" in item else None<EOL>[is_json.add(name[<NUM_LIT:0>]) for name in seqs_name]<EOL>if db_name:<EOL><INDENT>[is_db.update({name[<NUM_LIT:0>]: "<STR_LIT:U+002C>".join(db_name)}) for name in seqs_name]<EOL><DEDENT><DEDENT><DEDENT>return is_json, is_db<EOL>
read json information