src/kudu/scripts/convert-hybrid-timestamp.py

#!/usr/bin/env python
#
# Licensed to the Apache Software Foundation (ASF) under one
# or more contributor license agreements.  See the NOTICE file
# distributed with this work for additional information
# regarding copyright ownership.  The ASF licenses this file
# to you under the Apache License, Version 2.0 (the
# "License"); you may not use this file except in compliance
# with the License.  You may obtain a copy of the License at
#
#   http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing,
# software distributed under the License is distributed on an
# "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
# KIND, either express or implied.  See the License for the
# specific language governing permissions and limitations
# under the License.

#
# An example of usage:
#
# $ echo 6435399373400084500 | python convert-hybrid-timestamp.py
# 2019-10-15 05:27:05.146505 L=20
#

import time
import re
import sys

def convert_ts(ts_match):
  ts_i = int(ts_match.group(0))
  phys, logical = (ts_i >> 12, ts_i & ((1 << 12) - 1))
  phys_sec = phys / 1000000
  phys_micros = phys % 1000000
  f = time.strftime("%F %H:%M:%S", time.localtime(phys_sec))
  return "%s.%06d L=%d" % (f, phys_micros, logical)

for l in sys.stdin.readlines():
  print(re.sub(r"\d{10,19}", convert_ts, l))