Function annotatePythonTypes

scripts/codegen/python.ts:3086–3103

(typeNames: Iterable<string>, comment: string)

        actualTypeNames.get(name.toLowerCase()) ?? definitionAliases.get(name.toLowerCase()) ?? name;

    const annotatePythonTypes = (typeNames: Iterable<string>, comment: string): void => {
        const annotated = new Set<string>();
        for (const typeName of typeNames) {
            const actualName = resolveType(typeName);
            if (annotated.has(actualName)) continue;
            let replaced = false;
            typesCode = typesCode.replace(
                new RegExp(`^(@dataclass\\n)?class ${actualName}[:(]`, "m"),
                (match) => {
                    replaced = true;
                    return `${comment}\n${match}`;
                }
            );
            if (replaced) {
                annotated.add(actualName);
            }
        }
    };

    annotatePythonTypes(experimentalTypeNames, pyExperimentalComment("type"));
    annotatePythonTypes(deprecatedTypeNames, "# Deprecated: this type is part of a deprecated API and will be removed in a future version.");