time-related unbusening, cont.

trunk
HeNine 3 years ago
parent 022c271e07
commit c0b334695a

@ -88,39 +88,25 @@ def main(channel, database="", base_dir=".",
end_time if end_time is not None else
datetime.utcnow() + timedelta(minutes=2))
# Remove initial None segment (indicating segments start time is after desired start time) if it exists
# If there is a hole at the start of the requested range because
if segments[0] is None:
segments = segments[1:]
# If there are no segments, we:
# - reached the live edge, or
# - reached a still-opening hole
# In both cases we can wait
if not segments:
# If we have waited for more than 1min we flush the pipes to commit the last line of the stream,
# or commit the last line before a 1min hole.
if datetime.utcnow() - segments_end_time > timedelta(minutes=1):
# The hole is older than a minute, therefore
# - reset recognizer
# - continue from existing segments
if datetime.utcnow() - start_time > timedelta(minutes=1):
finish_off_recognizer(recognizer, db_cursor)
logging.info("Waiting for new segments.")
# If the hole is less than a minute old, or if we don't have new segments: wait for segments
if datetime.utcnow() - start_time <= timedelta(minutes=1) or \
len(segments) < 2:
logging.info("Waiting for new or backfilled segments.")
sleep(30)
continue # Retry
# If there are new segments, but they form a hole (judged somewhat arbitrarily as 2s) relative to
# segments_end_time, but the hole started less than 1min ago
elif segments_end_time is not None and \
segments[0].start - segments_end_time > timedelta(seconds=2) and \
datetime.utcnow() - segments_end_time < timedelta(minutes=1):
logging.info("Waiting for segments to be backfilled.")
sleep(30)
continue # Retry
# If we got new segments, but there was a hole that could not be backfilled
if segments_end_time is not None and \
segments[0].start - segments_end_time > timedelta(seconds=2):
finish_off_recognizer(recognizer, db_cursor)
# Remove initial None segment (indicating segments start time is after desired start time) if it exists
if segments[0] is None:
segments = segments[1:]
# Recognizer is fresh or was reset
if recognizer.segments_start_time is None:

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