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