38 lines
1.1 KiB
Python
38 lines
1.1 KiB
Python
"""通用错误文案模板：统一 not found / already exists / required 等消息。"""
|
|
|
|
from __future__ import annotations
|
|
|
|
from collections.abc import Sequence
|
|
|
|
|
|
def entity_not_found(name: str) -> str:
|
|
"""实体不存在错误。"""
|
|
return f"{name} not found"
|
|
|
|
|
|
def entity_already_exists(name: str) -> str:
|
|
"""实体已存在错误。"""
|
|
return f"{name} already exists"
|
|
|
|
|
|
def required_field(field: str, *, when: str | None = None) -> str:
|
|
"""必填字段错误。"""
|
|
if when:
|
|
return f"{field} is required for {when}"
|
|
return f"{field} is required"
|
|
|
|
|
|
def invalid_choice(field: str, choices: Sequence[str]) -> str:
|
|
"""字段取值非法错误。"""
|
|
return f"{field} must be one of: {'/'.join(choices)}"
|
|
|
|
|
|
def not_belong_to(child_field: str, parent_field: str) -> str:
|
|
"""归属关系校验错误。"""
|
|
return f"{child_field} does not belong to given {parent_field}"
|
|
|
|
|
|
def relation_mismatch(child_field: str, parent_field: str) -> str:
|
|
"""通用归属关系不匹配错误。"""
|
|
return f"{child_field} does not belong to {parent_field}"
|