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Add possible command exceptions

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This commit is contained in:
Steffo 2019-03-15 14:57:13 +01:00
parent 836ac46261
commit 144ff53752
2 changed files with 12 additions and 2 deletions
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4
royalnet/utils/__init__.py
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@ -1,6 +1,6 @@
from .asyncify import asyncify
from .call import Call
from .command import Command
from .command import Command, InvalidInputError, UnsupportedError
from .safeformat import safeformat
__all__ = ["asyncify", "Call", "Command", "safeformat"]
__all__ = ["asyncify", "Call", "Command", "safeformat", "InvalidInputError", "UnsupportedError"]

10
royalnet/utils/command.py
View file

@ -3,6 +3,16 @@ if typing.TYPE_CHECKING:
from .call import Call
class UnsupportedError(Exception):
"""The command is not supported for the specified source."""
pass
class InvalidInputError(Exception):
"""The command has received invalid input and cannot complete."""
pass
class Command:
"""A generic command, called from any source."""