jsoncheck

jsoncheck.py

#!/usr/bin/env python
"""jsoncheck checks a list of filenames to see if they are valid json files.

Usage:
  jsoncheck file1 [file2 file3 ...]

jsoncheck returns 0 if all files loaded successfully, and 1 otherwise.
"""

import json
import sys

if len(sys.argv) < 2:
    print "Usage: jsoncheck filename [...]"

returncode = 0

filelist = sys.argv[1:]
for filename in filelist:
    try:
        handle = open(filename, 'r')
    except IOError as (_, strerror):
        print "File error:", strerror
        returncode = 1
        continue

    try:
        json.load(handle)
    except ValueError, e:

        print "Failed to parse", filename+":", e
        returncode = 1
        continue

    print filename, "loaded successfully"

exit(returncode)