python typing tool
Project description
功能
安装
pip install typing_tool
Or
pdm add typing_tool
入门指南
typing_tool 是一个用于增强 Python 类型检查能力的工具库。特别地,它扩展了 isinstance 和 issubclass 函数的能力,使其能够处理更复杂的类型检查需求。
支持类型
like_isinstance
- 基础类型 str/int/...
- 容器泛型 list[T]/dict[K, V]/...
- Union 类型类型
- Type
- TypeVar 类型变量
- 泛型类 Generic[T]
- Annotated/Field 注解类型
- Protocol 协议类型
- Protocol[T] 泛型协议类型
- TypedDict 字典类型
- dataclass 数据类
- dataclass[T] 泛型数据类
like_issubclass
- 基础类型 str/int
- 容器泛型 list[T]/dict[K, V]
- Union 类型类型
- NewType 新类型
- Type
- TypeVar 类型变量
- 泛型类 Generic[T]
- Protocol 协议类型
- Protocol[T] 泛型协议类型
Check Config
depth
: 设置类型检查的最大深度,默认值为5
max_sample
: 设置最大采样数,默认值为-1
protocol_type_strict
: 是否严格检查Protocol
类型,默认值为False
dataclass_type_strict
: 是否严格检查dataclass
类型,默认值为False
自动重载
from typing import Any
from typing_extensions import overload
from typing_tool import auto_overload
@overload
def process(response: None) -> None:
return None
@overload
def process(response1: int, response2: str) -> tuple[int, str]:
return response1, response2
@overload
def process(response: bytes) -> str:
return response.decode()
@auto_overload()
def process(*args, **kwargs) -> Any: ...
assert process(None) is None
assert process(1, "2") == (1, "2")
assert process(b"test") == "test"
注意
- NewType 无法在运行时进行 like_isinstance
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