Pretty print of any JSON

json_format.py

#!/usr/bin/env python

import sys
import json
import pprint
import urllib


def main():
    if len(sys.argv) == 2:
        data = urllib.urlopen(sys.argv[1]).read()

    else:
        chunks = []
        while True:
            in_ = sys.stdin.read()
            if in_:
                chunks.append(in_)
            else:
                break
        data = "".join(chunks)
    try:
        data = json.loads(data)
    except ValueError:
        sys.exit("Cannot encode json: {}".format(data[:100]))

    try:
        from pygments import highlight
        from pygments.lexers import JavascriptLexer
        from pygments.formatters import TerminalFormatter

        print highlight(pprint.pformat(data), JavascriptLexer(), TerminalFormatter())
    except ImportError:
        pprint.pprint(data)

if __name__ == '__main__':
    main()