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Full Discussion: Tweak python program to give result in json
Top Forums Shell Programming and Scripting Tweak python program to give result in json Post 302992720 by ashokvpp on Wednesday 1st of March 2017 03:19:11 AM
Old 03-01-2017
Tweak python program to give result in json
Hi ,

Below is the script which prints result in json but when i validate it has some tab or extra space issues.

JSON result
Code:
{

    "data":[

    { "{#NAME}":"lilly-54b91f8-2
"}
,

    { "{#NAME}":"silly-54b91f8-2
"}
,

    { "{#NAME}":"milly-54b91f8-2
"}
,

    { "{#NAME}":"sollys-54b91f8-2
"}

    ]

}

This is the line I tweaked. Please advise.
Code:
  print "\t{",  "\"{#NAME}\":\""+container['Names'][0][1:]+hn+"\"}"

Code:
#!/usr/bin/env python
#
from docker import Client
from optparse import OptionParser
import json

class DockerService(object):

    def __init__(self, url):

        self.url = url
        self.docker_running = False

    def list_containers(self):

        docker_conn_list = Client(base_url=self.url)

        try:
            containerlist = docker_conn_list.containers()
            self.docker_running = True
        except Exception:
            self.docker_running = False

        if self.docker_running:
            return containerlist

def main():

    parser = OptionParser()
    parser.add_option('-u', '--url', default='unix://var/run/docker.sock',
                      help='URL for Docker service (Unix or TCP socket).')
    (opts, args) = parser.parse_args() 

    docker_service = DockerService(opts.url)
    containerslist = docker_service.list_containers()

    file = open('/tmp/hostname','r')
    hn = file.read()
   # print hn

    first = 1;
    print "{\n";
    print "\t\"data\":[\n";

    for container in containerslist:

        if first == 0:
            print ",\n"
        first = 0
        print "\t{",  "\"{#NAME}\":\""+container['Names'][0][1:]+hn+"\"}"



    print "\n\t]\n"
    print "}\n"

if __name__ == '__main__':
    main()

 

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LEARN ABOUT MOJAVE

json_pp

JSON_PP(1)						 Perl Programmers Reference Guide						JSON_PP(1)

NAME

       json_pp - JSON::PP command utility

SYNOPSIS

	   json_pp [-v] [-f from_format] [-t to_format] [-json_opt options_to_json]

DESCRIPTION

       json_pp converts between some input and output formats (one of them is JSON).  This program was copied from json_xs and modified.

       The default input format is json and the default output format is json with pretty option.

OPTIONS

   -f
	   -f from_format

       Reads a data in the given format from STDIN.

       Format types:

       json
	   as JSON

       eval
	   as Perl code

   -t
       Writes a data in the given format to STDOUT.

       null
	   no action.

       json
	   as JSON

       dumper
	   as Data::Dumper

   -json_opt
       options to JSON::PP

       Acceptable options are:

	   ascii latin1 utf8 pretty indent space_before space_after relaxed canonical allow_nonref
	   allow_singlequote allow_barekey allow_bignum loose escape_slash

   -v
       Verbose option, but currently no action in fact.

   -V
       Prints version and exits.

EXAMPLES

	   $ perl -e'print q|{"foo":"XX","bar":1234567890000000000000000}|' |
	      json_pp -f json -t dumper -json_opt pretty,utf8,allow_bignum

	   $VAR1 = {
		     'bar' => bless( {
				       'value' => [
						    '0000000',
						    '0000000',
						    '5678900',
						    '1234'
						  ],
				       'sign' => '+'
				     }, 'Math::BigInt' ),
		     'foo' => "x{3042}x{3044}"
		   };

	   $ perl -e'print q|{"foo":"XX","bar":1234567890000000000000000}|' |
	      json_pp -f json -t dumper -json_opt pretty

	   $VAR1 = {
		     'bar' => '1234567890000000000000000',
		     'foo' => "x{e3}x{81}x{82}x{e3}x{81}x{84}"
		   };

SEE ALSO

       JSON::PP, json_xs

AUTHOR

       Makamaka Hannyaharamitu, <makamaka[at]cpan.org>

COPYRIGHT AND LICENSE

       Copyright 2010 by Makamaka Hannyaharamitu

       This library is free software; you can redistribute it and/or modify it under the same terms as Perl itself.

perl v5.18.2							    2018-08-17								JSON_PP(1)
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