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