44 lines
1.3 KiB
Python
44 lines
1.3 KiB
Python
# Copyright (c) 2022 Tulir Asokan
|
|
#
|
|
# This Source Code Form is subject to the terms of the Mozilla Public
|
|
# License, v. 2.0. If a copy of the MPL was not distributed with this
|
|
# file, You can obtain one at http://mozilla.org/MPL/2.0/.
|
|
from __future__ import annotations
|
|
|
|
|
|
class DatabaseException(RuntimeError):
|
|
pass
|
|
|
|
@property
|
|
def explanation(self) -> str | None:
|
|
return None
|
|
|
|
|
|
class UnsupportedDatabaseVersion(DatabaseException):
|
|
def __init__(self, name: str, version: int, latest: int) -> None:
|
|
super().__init__(
|
|
f"Unsupported {name} schema version v{version} (latest known is v{latest})"
|
|
)
|
|
|
|
@property
|
|
def explanation(self) -> str:
|
|
return "Downgrading is not supported"
|
|
|
|
|
|
class ForeignTablesFound(DatabaseException):
|
|
def __init__(self, explanation: str) -> None:
|
|
super().__init__(f"The database contains foreign tables ({explanation})")
|
|
|
|
@property
|
|
def explanation(self) -> str:
|
|
return "You can use --ignore-foreign-tables to ignore this error"
|
|
|
|
|
|
class DatabaseNotOwned(DatabaseException):
|
|
def __init__(self, owner: str) -> None:
|
|
super().__init__(f"The database is owned by {owner}")
|
|
|
|
@property
|
|
def explanation(self) -> str:
|
|
return "Sharing the same database with different programs is not supported"
|