extra-type-helpers 0.8.3

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Extra Types

Extra types and type utilities for Python. It provides some useful types that can be easily integrated into your code. Documentation available at https://george-ogden.github.io/extra-types/

Example

PosInt represents positive integers.

from extra_types.types import PosInt

isinstance(0, PosInt) # False
isinstance(1, PosInt) # True
isinstance(2, PosInt) # True
isinstance(1.5, PosInt) # False
isinstance(object(), PosInt) # False


# Use it as a type hint
def setup_agents(num_agents: PosInt) -> None:
    ...

# Validate with attrs
import attrs
@attrs.define
class AgentConfig:
    agent_size: PosInt = attrs.field(validator=attrs.validators.instance_of(PosInt))

# Check with strict cast
from extra_types.type_utils import strict_cast

def generate_positive_integer() -> PosInt:
    number = ...
    return strict_cast(PosInt, number) # raises a TypeError if not a positive integer

Install

Quick Install

uv pip install extra-type-helpers

Slow Install

pip install extra-type-helpers

Bugs/Feedback

Use the issue tracker for bugs/feedback, please.