1# -*- coding: utf-8 -*-
3"""
4interfaces around python-apt
6@copyright: 2020 😸 <😸@43-1.org>
7@license: GNU General Public License version 2 or later
8"""
10# This program is free software; you can redistribute it and/or modify
11# it under the terms of the GNU General Public License as published by
12# the Free Software Foundation; either version 2 of the License, or
13# (at your option) any later version.
14#
15# This program is distributed in the hope that it will be useful,
16# but WITHOUT ANY WARRANTY; without even the implied warranty of
17# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
18# GNU General Public License for more details.
19#
20# You should have received a copy of the GNU General Public License
21# along with this program. If not, see <https://www.gnu.org/licenses/>.
23import apt_pkg
26class DakHashes:
27 """
28 wrapper around `apt_pkg.Hashes`
29 """
31 def __init__(self, *args, **kwargs):
32 self._apt_hashes = apt_pkg.Hashes(*args, **kwargs)
34 # python-apt in Debian 10 (buster) uses
35 # `apt_pkg.Hashes(...).md5`
36 # but in Debian bullseye it switched to
37 # `apt_pkg.Hashes(...).find('md5sum').hashvalue`
38 def _hashvalue(self, name):
39 h = self._apt_hashes.hashes.find(name)
40 try:
41 return h.hashvalue
42 except AttributeError:
43 return str(h)[len(name) + 1 :]
45 @property
46 def md5(self) -> str:
47 return self._hashvalue("md5sum")
49 @property
50 def sha1(self) -> str:
51 return self._hashvalue("sha1")
53 @property
54 def sha256(self) -> str:
55 return self._hashvalue("sha256")