Simple json / yaml conversions

json2yaml

#!/usr/bin/env python
from os import path
import sys

import json
import yaml

if len(sys.argv) > 1:
    print("usage:\n\t{} < your_json_file > your_yaml_file".format(
            path.basename(sys.argv[0])))
    sys.exit(1)

yaml.dump(json.load(sys.stdin), sys.stdout, default_flow_style=False)

yaml2json

#!/usr/bin/env python

import sys
import json
import yaml
import optparse

##
# yaml2json - simple tool to convert yaml to json
#
# only operates on stdin / stdout;
# - takes an option to make a readable output (i.e. take an indent arg)
#

INDENT = 2  # default

def yml2json(indent=None):
    wc = yaml.safe_load(sys.stdin)
    json.dump(wc, sys.stdout, indent=indent)


if __name__ == '__main__':
    usage = """ useage: %prog [-i]
    this is a pipeline tool, using STDIN and STDOUT."""
    parser = optparse.OptionParser(usage=usage)
    parser.add_option('-i', '--indent',
                    action="store", type="int",
                    help="generate human readable [indent]ed output")
    opts, args = parser.parse_args()

    yml2json(opts.indent)