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.
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2.6 KiB

import enum
import re
import numpy as np
from openpilot.selfdrive.test.openpilotci import get_url
from openpilot.tools.lib.helpers import RE
from openpilot.tools.lib.logreader import LogReader
from openpilot.tools.lib.route import Route, SegmentRange
class ReadMode(enum.StrEnum):
RLOG = "r" # only read rlogs
QLOG = "q" # only read qlogs
#AUTO = "a" # default to rlogs, fallback to qlogs, not supported yet
def create_slice_from_string(s: str):
m = re.fullmatch(RE.SLICE, s)
assert m is not None, f"Invalid slice: {s}"
start, end, step = m.groups()
start = int(start) if start is not None else None
end = int(end) if end is not None else None
step = int(step) if step is not None else None
if start is not None and ":" not in s and end is None and step is None:
return start
return slice(start, end, step)
def parse_slice(sr: SegmentRange):
route = Route(sr.route_name)
segs = np.arange(route.max_seg_number+1)
s = create_slice_from_string(sr._slice)
return segs[s] if isinstance(s, slice) else [segs[s]]
def comma_api_source(sr: SegmentRange, mode=ReadMode.RLOG, sort_by_time=False):
segs = parse_slice(sr)
route = Route(sr.route_name)
log_paths = route.log_paths() if mode == ReadMode.RLOG else route.qlog_paths()
for seg in segs:
yield LogReader(log_paths[seg], sort_by_time=sort_by_time)
def internal_source(sr: SegmentRange, mode=ReadMode.RLOG, sort_by_time=False):
segs = parse_slice(sr)
for seg in segs:
yield LogReader(f"cd:/{sr.dongle_id}/{sr.timestamp}/{seg}/{'rlog' if mode == ReadMode.RLOG else 'qlog'}.bz2", sort_by_time=sort_by_time)
def openpilotci_source(sr: SegmentRange, mode=ReadMode.RLOG, sort_by_time=False):
segs = parse_slice(sr)
for seg in segs:
yield LogReader(get_url(sr.route_name, seg, 'rlog' if mode == ReadMode.RLOG else 'qlog'), sort_by_time=sort_by_time)
def auto_source(*args, **kwargs):
# Automatically determine viable source
try:
next(internal_source(*args, **kwargs))
return internal_source(*args, **kwargs)
except Exception:
pass
try:
next(openpilotci_source(*args, **kwargs))
return openpilotci_source(*args, **kwargs)
except Exception:
pass
return comma_api_source(*args, **kwargs)
class SegmentRangeReader:
def __init__(self, segment_range: str, default_mode=ReadMode.RLOG, source=auto_source, sort_by_time=False):
sr = SegmentRange(segment_range)
mode = default_mode if sr.selector is None else ReadMode(sr.selector)
self.lrs = source(sr, mode, sort_by_time)
def __iter__(self):
for lr in self.lrs:
for m in lr:
yield m