jlpp

#!/usr/bin/env python
import sys, json
import codecs
import gzip

out = codecs.getwriter('utf8')(sys.stdout)

def _get_input():
    if len(sys.argv) <= 1:
        return sys.stdin
    fname = sys.argv[1]
    f = open(fname)
    if fname.endswith(".gz"):
        return gzip.GzipFile(fileobj=f)
    return f

for l in _get_input():
    out.write(json.dumps(json.loads(l), indent=3, ensure_ascii=False))