type-annotation – Tarik Billa

Python 3.7: check if type annotation is “subclass” of generic

December 6, 2023 by Tarik

First of all: There is no API defined to introspect type hinting objects as defined by the typing module. Type hinting tools are expected to deal with source code, so text, not with Python objects at runtime; mypy doesn’t introspect List[str] objects, it instead deals a parsed Abstract Syntax Tree of your source code. So, … Read more

Type annotations for Django models

November 23, 2023 by Tarik

Django models (and other components) are hard to annotate because there is a lot of magic behind them, good news is that a group of cool developers have already done the hard work for us. django-stubs provides a set of stubs and mypy plugins which provide static types and type inference for Django. For instance, … Read more