Coverage for b4_backup/exceptions.py: 100%

1"""Contains all custom exceptions used in this program.""" 

2 

3 

4class BaseBtrfsBackupError(Exception): 

5 """Base of all custom exceptions.""" 

6 

7 

8class FailedProcessError(BaseBtrfsBackupError): 

9 """Raised, if a process returns a non-zero return code.""" 

10 

11 def __init__(self, cmd: list[str], stdout: str = "", stderr: str = ""): 

12 """ 

13 Args: 

14 cmd: failed command. 

15 stdout: standard output of that process. 

16 stderr: standard error of that process. 

17 """ 

18 self.cmd = cmd 

19 self.stdout = stdout 

20 self.stderr = stderr 

21 

22 super().__init__( 

23 "The following process exited with a non-zero error:\n" 

24 f"=== CMD ===\n{' '.join(cmd)}\n============\n" 

25 f"=== STDOUT ===\n{stdout}============\n" 

26 f"=== STDERR ===\n{stderr}============\n" 

27 ) 

28 

29 

30class InvalidConnectionUrlError(BaseBtrfsBackupError): 

31 """Raised, if the connection url is malformed.""" 

32 

33 

34class UnknownProtocolError(InvalidConnectionUrlError): 

35 """Raised, if an unsupported protocol is used.""" 

36 

37 

38class InvalidRetentionRuleError(BaseBtrfsBackupError): 

39 """Raised, if the retention rule string is malformed.""" 

40 

41 

42class BtrfsSubvolumeNotFoundError(BaseBtrfsBackupError): 

43 """Raised, if a BTRFS subvolume does not exist.""" 

44 

45 

46class SnapshotNotFoundError(BaseBtrfsBackupError): 

47 """Raised, if a BTRFS backup snapshot does not exist.""" 

48 

49 

50class DestinationDirectoryNotFoundError(BaseBtrfsBackupError): 

51 """Raised, if the destination is not found and configured to fail.""" 

52 

53 

54class BtrfsPartitionNotFoundError(BaseBtrfsBackupError): 

55 """Raised, if the target location is not a valid btrfs partition."""