tool.py
Go to the documentation of this file.00001 r"""Command-line tool to validate and pretty-print JSON
00002
00003 Usage::
00004
00005 $ echo '{"json":"obj"}' | python -m simplejson.tool
00006 {
00007 "json": "obj"
00008 }
00009 $ echo '{ 1.2:3.4}' | python -m simplejson.tool
00010 Expecting property name: line 1 column 2 (char 2)
00011
00012 """
00013 import sys
00014 import simplejson
00015
00016 def main():
00017 if len(sys.argv) == 1:
00018 infile = sys.stdin
00019 outfile = sys.stdout
00020 elif len(sys.argv) == 2:
00021 infile = open(sys.argv[1], 'rb')
00022 outfile = sys.stdout
00023 elif len(sys.argv) == 3:
00024 infile = open(sys.argv[1], 'rb')
00025 outfile = open(sys.argv[2], 'wb')
00026 else:
00027 raise SystemExit(sys.argv[0] + " [infile [outfile]]")
00028 try:
00029 obj = simplejson.load(infile)
00030 except ValueError, e:
00031 raise SystemExit(e)
00032 simplejson.dump(obj, outfile, sort_keys=True, indent=4)
00033 outfile.write('\n')
00034
00035
00036 if __name__ == '__main__':
00037 main()
