Django

Django's standardized file storage API with FileSystemStorage, InMemoryStorage, and Storage classes.

Reference for Django's QuerySet API: lazy database queries, filters, aggregation, and query tools.

Low-level Python API for configuring, compiling, and rendering Django templates via Engine, Template, and Context.

Django's forms API for binding data, validating input, and rendering forms as HTML.

Django's database abstraction layer for defining models and querying relational data.

Classes letting users use underlying database functions as annotations, aggregations, or filters in Django.

Declarative Operation classes that record schema and data changes in Django migration files.