bin/idf-content

   1 #! /usr/bin/python3
   2
   3 import hashlib
   4 import io
   5 import json
   6 import sys
   7
   8 from pathlib import Path, PurePath
   9
  10 def sha256_file(filename):
  11     sha256 = hashlib.sha256()
  12     with io.open(filename, mode="rb") as fd:
  13         content = fd.read()
  14         sha256.update(content)
  15     return sha256.hexdigest()
  16
  17 def to_json(data):
  18     return json.dumps(data, indent=4, sort_keys=True)
  19
  20 def target_file_url(channel, filename):
  21     basename = PurePath(filename).name
  22     return '%(baseurl)s/%(channel)s/%(subdir)s/%(basename)s' % {
  23         'baseurl':  'https://download.tails.net/tails',
  24         'channel':  channel,
  25         'subdir':   PurePath(basename).stem,
  26         'basename': basename,
  27     }
  28
  29 def idf_content(build_target, channel, product_name, version, img, iso):
  30     return to_json({
  31         'build_target':  build_target,
  32         'channel':       channel,
  33         'product-name':  product_name,
  34         'installations': [{
  35             'version': version,
  36             'installation-paths': [
  37                 {
  38                     'type': 'img',
  39                     'target-files': [{
  40                         'url':    target_file_url(channel, img),
  41                         'sha256': sha256_file(img),
  42                         'size':   Path(img).stat().st_size,
  43                     }],
  44                 },
  45                 {
  46                     'type': 'iso',
  47                     'target-files': [{
  48                         'url':    target_file_url(channel, iso),
  49                         'sha256': sha256_file(iso),
  50                         'size':   Path(iso).stat().st_size,
  51                     }],
  52                 },
  53             ],
  54         }],
  55     })
  56
  57 if __name__ == '__main__':
  58     import argparse
  59     parser = argparse.ArgumentParser()
  60     parser.add_argument('--build-target', dest='build_target', default='amd64')
  61     parser.add_argument('--channel', default='stable')
  62     parser.add_argument('--product-name', dest='product_name', default='Tails')
  63     parser.add_argument('--version', default=None, required=True,
  64                         help='Version of Tails .')
  65     parser.add_argument('--img', default=None, required=True,
  66                         help='Path to the USB image.')
  67     parser.add_argument('--iso', default=None, required=True,
  68                         help='Path to the ISO file.')
  69     args = parser.parse_args()
  70
  71     print(idf_content(build_target=args.build_target,
  72                       channel=args.channel,
  73                       product_name=args.product_name,
  74                       version=args.version,
  75                       img=args.img,
  76                       iso=args.iso))