/usr/lib/python3/dist-packages/simplestreams/json2streams.py is in python3-simplestreams 0.1.0~bzr426-0ubuntu1.
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1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 | #!/usr/bin/env python3
# Copyright (C) 2013, 2015 Canonical Ltd.
from argparse import ArgumentParser
import json
import os
import sys
from simplestreams import util
from simplestreams.generate_simplestreams import (
FileNamer,
Item,
items2content_trees,
json_dump,
write_streams,
)
class JujuFileNamer(FileNamer):
@classmethod
def get_index_path(cls):
return "%s/%s" % (cls.streamdir, 'index2.json')
@classmethod
def get_content_path(cls, content_id):
return "%s/%s.json" % (cls.streamdir, content_id.replace(':', '-'))
def dict_to_item(item_dict):
"""Convert a dict into an Item, mutating input."""
item_dict.pop('item_url', None)
item_dict['size'] = int(item_dict['size'])
content_id = item_dict.pop('content_id')
product_name = item_dict.pop('product_name')
version_name = item_dict.pop('version_name')
item_name = item_dict.pop('item_name')
return Item(content_id, product_name, version_name, item_name, item_dict)
def read_items_file(filename):
with open(filename) as items_file:
item_list = json.load(items_file)
return (dict_to_item(item) for item in item_list)
def write_release_index(out_d):
in_path = os.path.join(out_d, JujuFileNamer.get_index_path())
with open(in_path) as in_file:
full_index = json.load(in_file)
full_index['index'] = dict(
(k, v) for k, v in list(full_index['index'].items())
if k == 'com.ubuntu.juju:released:tools')
out_path = os.path.join(out_d, FileNamer.get_index_path())
json_dump(full_index, out_path)
return out_path
def filenames_to_streams(filenames, updated, out_d, juju_format=False):
"""Convert a list of filenames into simplestreams.
File contents must be json simplestream stanzas.
'updated' is the date to use for 'updated' in the streams.
out_d is the directory to create streams in.
"""
items = []
for items_file in filenames:
items.extend(read_items_file(items_file))
data = {'updated': updated, 'datatype': 'content-download'}
trees = items2content_trees(items, data)
if juju_format:
write = write_juju_streams
else:
write = write_streams
return write(out_d, trees, updated)
def write_juju_streams(out_d, trees, updated):
out_filenames = write_streams(out_d, trees, updated, JujuFileNamer)
out_filenames.append(write_release_index(out_d))
return out_filenames
def parse_args(argv=None):
parser = ArgumentParser()
parser.add_argument(
'items_file', metavar='items-file', help='File to read items from',
nargs='+')
parser.add_argument(
'out_d', metavar='output-dir',
help='The directory to write stream files to.')
parser.add_argument(
'--juju-format', action='store_true',
help='Write stream files in juju format.')
return parser.parse_args(argv)
def main():
args = parse_args()
updated = util.timestamp()
filenames_to_streams(args.items_file, updated, args.out_d,
args.juju_format)
if __name__ == '__main__':
sys.exit(main())
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