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"""Error helpers."""
from __future__ import annotations
from typing import TypeVar
from .core import (
DatabaseError,
Error,
InterfaceError,
InternalError,
OperationalError,
ProgrammingError,
)
__all__ = [
'db_error',
'error',
'if_error',
'int_error',
'op_error',
'prg_error'
]
# Error messages
E = TypeVar('E', bound=Error)
def error(msg: str, cls: type[E]) -> E:
"""Return specified error object with empty sqlstate attribute."""
error = cls(msg)
if isinstance(error, DatabaseError):
error.sqlstate = None
return error
def db_error(msg: str) -> DatabaseError:
"""Return DatabaseError."""
return error(msg, DatabaseError)
def int_error(msg: str) -> InternalError:
"""Return InternalError."""
return error(msg, InternalError)
def prg_error(msg: str) -> ProgrammingError:
"""Return ProgrammingError."""
return error(msg, ProgrammingError)
def if_error(msg: str) -> InterfaceError:
"""Return InterfaceError."""
return error(msg, InterfaceError)
def op_error(msg: str) -> OperationalError:
"""Return OperationalError."""
return error(msg, OperationalError)
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