from functools import lru_cache
from pathlib import Path

from . import paths

@lru_cache()
def pinbexport():
    from .common import import_file
    return import_file(Path(paths.pinbexport.repo) / 'model.py')

# TODO would be nice to make interfaces available for mypy...
Bookmark = pinbexport().Bookmark

def get_model():
    export_dir = Path(paths.pinbexport.export_dir)
    sources = list(sorted(export_dir.glob('*.json')))
    model = pinbexport().Model(sources)
    return model


def get_bookmarks():
    return get_model().bookmarks()