loglens

#!/usr/bin/env python
import json
import sys

for line in sys.stdin:
    record = json.loads(line)

    # Output the record as Pretty-Print JSON
    # print(json.dumps(record, indent=4, separators=(', ', ': ')))

    # Output the record like JADE does
    # %d [%t] %-5p (%C:%L) - %m%n
    # 2019-01-15 00:03:48,053 [ConcurrentDownload-0] INFO  (edu.wisc.icecube.jade.process.downloader.ConcurrentDownloader:108) - /mnt/data/jade/download_pending/s333_190113_0020_8d2b5d30-060a-4b7c-9153-162e2c15d417 size 910499840 matches SPTR s333_190113_0020_8d2b5d30-060a-4b7c-9153-162e2c15d417 size 910499840
    timestamp = record["timestamp"]
    threadName = record["threadName"]
    levelname = record["levelname"]
    filename = record["filename"]
    lineno = record["lineno"]
    message = record["message"]
    print(f"{timestamp:23} [{threadName}] {levelname:5} ({filename}:{lineno}) - {message}")
    # if there was an exception, print the stack trace too
    if "exc_info" in record:
        if record["exc_info"]:
            for stack_line in record["exc_info"]:
                print(stack_line)