openpilot is an open source driver assistance system. openpilot performs the functions of Automated Lane Centering and Adaptive Cruise Control for over 200 supported car makes and models.
You can not select more than 25 topics Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
 
 
 
 
 
 

39 lines
1.3 KiB

import bz2
import datetime
TIME_FMT = "%Y-%m-%d--%H-%M-%S"
# regex patterns
class RE:
DONGLE_ID = r'(?P<dongle_id>[a-z0-9]{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-z0-9]{8})--(?P<uid>[a-z0-9]{10})'
LOG_ID = r'(?P<log_id>(?:{}|{}))'.format(TIMESTAMP, LOG_ID_V2)
ROUTE_NAME = r'(?P<route_name>{}[|_/]{})'.format(DONGLE_ID, LOG_ID)
SEGMENT_NAME = r'{}(?:--|/)(?P<segment_num>[0-9]+)'.format(ROUTE_NAME)
INDEX = r'-?[0-9]+'
SLICE = r'(?P<start>{})?:?(?P<end>{})?:?(?P<step>{})?'.format(INDEX, INDEX, INDEX)
SEGMENT_RANGE = r'{}(?:--|/)?(?P<slice>({}))?/?(?P<selector>([qras]))?'.format(ROUTE_NAME, SLICE)
BOOTLOG_NAME = ROUTE_NAME
EXPLORER_FILE = r'^(?P<segment_name>{})--(?P<file_name>[a-z]+\.[a-z0-9]+)$'.format(SEGMENT_NAME)
OP_SEGMENT_DIR = r'^(?P<segment_name>{})$'.format(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)