import bz2 import datetime TIME_FMT = "%Y-%m-%d--%H-%M-%S" # regex patterns class RE: DONGLE_ID = r'(?P<dongle_id>[a-f0-9]{16})' TIMESTAMP = r'(?P<timestamp>[0-9]{4}-[0-9]{2}-[0-9]{2}--[0-9]{2}-[0-9]{2}-[0-9]{2})' LOG_ID_V2 = r'(?P<count>[a-f0-9]{8})--(?P<uid>[a-z0-9]{10})' LOG_ID = fr'(?P<log_id>(?:{TIMESTAMP}|{LOG_ID_V2}))' ROUTE_NAME = fr'(?P<route_name>{DONGLE_ID}[|_/]{LOG_ID})' SEGMENT_NAME = fr'{ROUTE_NAME}(?:--|/)(?P<segment_num>[0-9]+)' INDEX = r'-?[0-9]+' SLICE = fr'(?P<start>{INDEX})?:?(?P<end>{INDEX})?:?(?P<step>{INDEX})?' SEGMENT_RANGE = fr'{ROUTE_NAME}(?:(--|/)(?P<slice>({SLICE})))?(?:/(?P<selector>([qras])))?' BOOTLOG_NAME = ROUTE_NAME EXPLORER_FILE = fr'^(?P<segment_name>{SEGMENT_NAME})--(?P<file_name>[a-z]+\.[a-z0-9]+)$' OP_SEGMENT_DIR = fr'^(?P<segment_name>{SEGMENT_NAME})$' def timestamp_to_datetime(t: str) -> datetime.datetime: """ Convert an openpilot route timestamp to a python datetime """ return datetime.datetime.strptime(t, TIME_FMT) def save_log(dest, log_msgs, compress=True): dat = b"".join(msg.as_builder().to_bytes() for msg in log_msgs) if compress: dat = bz2.compress(dat) with open(dest, "wb") as f: f.write(dat)