You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
56 lines
1.8 KiB
56 lines
1.8 KiB
#!/usr/bin/python2.7
|
|
|
|
# Copyright (C) 2019 Canonical Ltd.
|
|
# Author: Brian Murray <brian.murray@canonical.com>
|
|
|
|
# This program is free software: you can redistribute it and/or modify
|
|
# it under the terms of the GNU General Public License as published by
|
|
# the Free Software Foundation; version 3 of the License.
|
|
#
|
|
# This program 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 General Public License for more details.
|
|
#
|
|
# You should have received a copy of the GNU General Public License
|
|
# along with this program. If not, see <http://www.gnu.org/licenses/>.
|
|
|
|
"""Portions of archive related code that is re-used by various tools."""
|
|
|
|
import gzip
|
|
import os
|
|
import tempfile
|
|
|
|
import apt_pkg
|
|
|
|
|
|
def read_tag_file(path, pkg=None):
|
|
tmp = tempfile.NamedTemporaryFile(prefix='checkrdepends.', delete=False)
|
|
try:
|
|
compressed = gzip.open(path)
|
|
try:
|
|
tmp.write(compressed.read())
|
|
finally:
|
|
compressed.close()
|
|
tmp.close()
|
|
with open(tmp.name) as uncompressed:
|
|
tag_file = apt_pkg.TagFile(uncompressed)
|
|
prev_name = None
|
|
prev_stanza = None
|
|
for stanza in tag_file:
|
|
try:
|
|
name = stanza['package']
|
|
except KeyError:
|
|
continue
|
|
if pkg:
|
|
if name != pkg:
|
|
continue
|
|
if name != prev_name and prev_stanza is not None:
|
|
yield prev_stanza
|
|
prev_name = name
|
|
prev_stanza = stanza
|
|
if prev_stanza is not None:
|
|
yield prev_stanza
|
|
finally:
|
|
os.unlink(tmp.name)
|