abstractcp

library1.0.0pypypi✓ verified 79d ago

A Python library (v1.0.0, stable) that provides a decorator to create abstract class variables (class-level attributes) with support for inheritance checks. Requires Python >=3.8.

devops

pip install abstractcp

github ↗homepage ↗

INSTALL

IMPORT

SIG · ABSTRACTCP

abstractcp

devopspythonv1.0.0

harness data pending

Install & Compatibility

Where this runs

No compatibility data collected yet for this library.

Code

Verified usage

Verified import paths — ran on the pinned version, not inferred.

Abstract

✓ from abstractcp import Abstract

✗ from abstractcp import abstract_classvar

abstract_class_property

✓ from abstractcp import abstract_class_property

AbstractClassWithoutAbstractPropertiesWarning

✓ from abstractcp import AbstractClassWithoutAbstractPropertiesWarning

Define abstract class variables that must be overridden in subclasses.

from abstractcp import abstract_classvar from abc import ABC class MyBase(ABC): x = abstract_classvar(int) class MyConcrete(MyBase): x = 10 # Attempting to instantiate MyBase without setting x raises TypeError # obj = MyBase() # TypeError: Can't instantiate abstract class MyBase with abstract class variables x

Debug

Known issues

gotchaabstract_classvar only works with classes inheriting from ABC. Using it on a non-ABC class will not enforce overriding.

fix

Ensure your base class inherits from abc.ABC.

affects: all

gotchaAbstract class variables must be assigned exactly the same type as declared (or a subtype). Mismatched types raise TypeError at instantiation.

fix

Double-check the type hint when declaring abstract_classvar.

affects: all

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Version history

1.0.0latest on PyPI · released May 20, 2024

Audit

Dependencies

No dependency data recorded yet.

Agent activity

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Resources

githubhttps://github.com/reinhrst/abstractcp ↗

homepagehttps://github.com/reinhrst/abstractcp ↗