mosvera

Python runtime for the language-neutral Mosvera specification.

The Python runtime loads aesthetic registries, resolves named compositions, validates Mosvera schemas, applies merge and inheritance semantics, and compiles neutral design tokens. It mirrors the @mosvera/runtime TypeScript/JavaScript package against the shared conformance suite.

pip install mosvera

The package is published on PyPI as the Python peer runtime for the language-neutral Mosvera spec.

Basic Use

from mosvera import (
    compile_design_tokens,
    compose_strategies,
    derive_strategies,
    load_project,
    resolve_aesthetic,
    to_css_variables,
)

project = load_project("./my-aesthetic-system")
strategies = compose_strategies(derive_strategies(), project.strategies)

canonical = resolve_aesthetic("executive-editorial", project.registry, strategies)
tokens = compile_design_tokens(canonical)
css_variables = to_css_variables(tokens)

The runtime does not generate decks, HTML reports, images, or provider calls. It supplies the structured aesthetic model that other tools can apply.

Status

Phase 6E parity runtime. It is expected to pass the same 25 conformance vectors as @mosvera/runtime.

License

Code is Apache-2.0.