Coverage for daklib/dakapt.py: 92%

1""" 

2interfaces around python-apt 

3 

4@copyright: 2020 😸 <😸@43-1.org> 

5@license: GNU General Public License version 2 or later 

6""" 

7 

8# This program is free software; you can redistribute it and/or modify 

9# it under the terms of the GNU General Public License as published by 

10# the Free Software Foundation; either version 2 of the License, or 

11# (at your option) any later version. 

12# 

13# This program is distributed in the hope that it will be useful, 

14# but WITHOUT ANY WARRANTY; without even the implied warranty of 

15# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 

16# GNU General Public License for more details. 

17# 

18# You should have received a copy of the GNU General Public License 

19# along with this program. If not, see <https://www.gnu.org/licenses/>. 

20 

21import apt_pkg 

22 

23 

24class DakHashes: 

25 """ 

26 wrapper around `apt_pkg.Hashes` 

27 """ 

28 

29 def __init__(self, *args, **kwargs): 

30 self._apt_hashes = apt_pkg.Hashes(*args, **kwargs) 

31 

32 # python-apt in Debian 10 (buster) uses 

33 # `apt_pkg.Hashes(...).md5` 

34 # but in Debian bullseye it switched to 

35 # `apt_pkg.Hashes(...).find('md5sum').hashvalue` 

36 def _hashvalue(self, name): 

37 h = self._apt_hashes.hashes.find(name) 

38 try: 

39 return h.hashvalue 

40 except AttributeError: 

41 return str(h)[len(name) + 1 :] 

42 

43 @property 

44 def md5(self) -> str: 

45 return self._hashvalue("md5sum") 

46 

47 @property 

48 def sha1(self) -> str: 

49 return self._hashvalue("sha1") 

50 

51 @property 

52 def sha256(self) -> str: 

53 return self._hashvalue("sha256")