summaryrefslogtreecommitdiff
path: root/AppPkg/Applications/Python/Python-2.7.10/Lib/json/tool.py
blob: ea96f6b7ad760f0a7de7a01d34cb40814fc9f150 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
r"""Command-line tool to validate and pretty-print JSON

Usage::

    $ echo '{"json":"obj"}' | python -m json.tool
    {
        "json": "obj"
    }
    $ echo '{ 1.2:3.4}' | python -m json.tool
    Expecting property name enclosed in double quotes: line 1 column 3 (char 2)

"""
import sys
import json

def main():
    if len(sys.argv) == 1:
        infile = sys.stdin
        outfile = sys.stdout
    elif len(sys.argv) == 2:
        infile = open(sys.argv[1], 'rb')
        outfile = sys.stdout
    elif len(sys.argv) == 3:
        infile = open(sys.argv[1], 'rb')
        outfile = open(sys.argv[2], 'wb')
    else:
        raise SystemExit(sys.argv[0] + " [infile [outfile]]")
    with infile:
        try:
            obj = json.load(infile)
        except ValueError, e:
            raise SystemExit(e)
    with outfile:
        json.dump(obj, outfile, sort_keys=True,
                  indent=4, separators=(',', ': '))
        outfile.write('\n')


if __name__ == '__main__':
    main()