/usr/bin/sstream-query is in simplestreams 0.1.0~bzr341-0ubuntu1.
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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 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 | #!/usr/bin/python3
# Copyright (C) 2013 Canonical Ltd.
#
# Author: Scott Moser <scott.moser@canonical.com>
#
# Simplestreams is free software: you can redistribute it and/or modify it
# under the terms of the GNU Affero General Public License as published by
# the Free Software Foundation, either version 3 of the License, or (at your
# option) any later version.
#
# Simplestreams is distributed in the hope that it will be useful, but
# WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
# or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Affero General Public
# License for more details.
#
# You should have received a copy of the GNU Affero General Public License
# along with Simplestreams. If not, see <http://www.gnu.org/licenses/>.
from simplestreams import filters
from simplestreams import mirrors
from simplestreams import log
from simplestreams import util
import argparse
import errno
import pprint
import signal
import sys
FORMAT_PRETTY = "PRETTY"
def warn(msg):
sys.stderr.write("WARN: %s" % msg)
class FilterMirror(mirrors.BasicMirrorWriter):
def __init__(self, config=None):
super(FilterMirror, self).__init__(config=config)
if config is None:
config = {}
self.config = config
self.filters = config.get('filters', [])
outfmt = config.get('output_format')
if not outfmt:
outfmt = "%s"
self.output_format = outfmt
def load_products(self, path=None, content_id=None):
return {'content_id': content_id, 'products': {}}
def filter_item(self, data, src, target, pedigree):
return filters.filter_item(self.filters, data, src, pedigree)
def insert_item(self, data, src, target, pedigree, contentsource):
# src and target are top level products:1.0
# data is src['products'][ped[0]]['versions'][ped[1]]['items'][ped[2]]
# contentsource is a ContentSource if 'path' exists in data or None
data = util.products_exdata(src, pedigree)
if 'path' in data:
data.update({'item_url': contentsource.url})
if self.output_format == FORMAT_PRETTY:
pprint.pprint(data)
else:
try:
print(self.output_format % (data))
except KeyError as e:
sys.stderr.write("output format failed. Missing %s\n" % e.args)
sys.stderr.write("item: %s\n" % data)
def main():
parser = argparse.ArgumentParser()
parser.add_argument('--max', type=int, default=None, dest='max_items',
help='store at most MAX items in the target')
parser.add_argument('--path', default=None,
help='sync from index or products file in mirror')
fmt_group = parser.add_mutually_exclusive_group()
fmt_group.add_argument('--output-format', '-o', action='store',
dest='output_format', default=None,
help="specify output format per python str.format")
fmt_group.add_argument('--pretty', action='store_const',
const=FORMAT_PRETTY, dest='output_format',
help="pretty print output")
parser.add_argument('--verbose', '-v', action='count', default=0)
parser.add_argument('--log-file', default=sys.stderr,
type=argparse.FileType('w'))
parser.add_argument('--keyring', action='store', default=None,
help='keyring to be specified to gpg via --keyring')
parser.add_argument('mirror_url')
parser.add_argument('filters', nargs='*', default=[])
cmdargs = parser.parse_args()
(mirror_url, path) = util.path_from_mirror_url(cmdargs.mirror_url,
cmdargs.path)
level = (log.ERROR, log.INFO, log.DEBUG)[min(cmdargs.verbose, 2)]
log.basicConfig(stream=cmdargs.log_file, level=level)
initial_path = path
def policy(content, path): # pylint: disable=W0613
if initial_path.endswith('sjson'):
return util.read_signed(content, keyring=cmdargs.keyring)
else:
return content
smirror = mirrors.UrlMirrorReader(mirror_url, policy=policy)
filter_list = filters.get_filters(cmdargs.filters)
cfg = {'max_items': cmdargs.max_items,
'filters': filter_list,
'output_format': cmdargs.output_format}
tmirror = FilterMirror(config=cfg)
try:
tmirror.sync(smirror, path)
except IOError as e:
if e.errno == errno.EPIPE:
sys.exit(0x80 | signal.SIGPIPE)
raise
if __name__ == '__main__':
main()
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