Examples

Python

import json
from subprocess import Popen, PIPE

resize_operation = {
  'type': 'resize',
  'params':
  {
    'width':      100,
    'height':     1000,
    'type':       'width',
    'quality':    85,
    'output_url': 'file://output.jpg'
  }
}

input_dict = {'input_url':        'file://input.jpg',
              'correct_rotation': True,
              'operations':       [resize_operation]}

input_string = json.dumps(input_dict, separators=(',',':'))

p = Popen(["arion", "--input", input_string], stdout=PIPE)

cmd_output = p.communicate()

result = json.loads(cmd_output[0])

if result['result'] != True:
  print 'Failed to resize image'

PHP

$operations = [
  [
    'type'   => 'resize',
    'params' => 
    [
      'width'          => 100,
      'height'         => 1000,
      'type'           => 'width',
      'quality'        => 80,
      'output_url'     => 'file://output.jpg'
    ]
  ]
];

$input = ['input_url'        => 'file://' . $temp_original_path,
          'correct_rotation' => $correct_rotation,
          'operations'       => $operations];

$cmd = "arion '" . json_encode($input) . "'";
$raw_response = shell_exec($cmd);

$response = json_decode($raw_response, true);

if ($response['result'] !== true)
{
  throw new Exception('Failed to resize image');
}

Ruby

operations = [
  {
    type: 'resize',
    params:
    {
      width:           100,
      height:          1000,
      type:            'width',
      quality:         85,
      output_url:      'file://output.jpg'
    }
  }
]

input = {input_url:        'file://input.jpg',
         correct_rotation: true,
         operations:       operations}
    
cmd = "arion --input '" + input.to_json() +"'"

result_json = `#{cmd}`

result = JSON.parse(result_json)
    
if (result['result'] != true)
  raise 'Failed to resize image'
end

Shell

# Create a text file with the JSON command
>$ vim input.json
>$ cat input.json
{
    "input_url": "file://input.jpg",
    "correct_rotation":true,
    "operations": [
        {
            "type": "resize",
            "params": {
                "type": "width",
                "width": 100,
                "height": 1000,
                "quality": 85,
                "output_url": "file://output.jpg"
            }
        }
    ]
}
>$ arion --input "`cat input.json`"