# -*- coding: utf-8 -*-
"""Download the Chemical Information Ontology registry (children of ``CHEMINF:000464``).
To convert CHEMINF from OWL to OBO Graph JSON, do the following:
.. code-block:: sh
$ robot convert --input cheminf.owl --format json --output cheminf.json
See the OBO Foundry workflow for preparing a docker container that has ROBOT available
"""
import json
from bioregistry.constants import EXTERNAL
from bioregistry.utils import get_ols_descendants
__all__ = [
"get_cheminf",
]
DIRECTORY = EXTERNAL / "cheminf"
DIRECTORY.mkdir(exist_ok=True, parents=True)
PROCESSED_PATH = DIRECTORY / "processed.json"
BASE_URL = "http%253A%252F%252Fsemanticscience.org%252Fresource%252FCHEMINF_000464"
[docs]def get_cheminf(force_download: bool = False):
"""Get the Chemical Information Ontology registry."""
if PROCESSED_PATH.exists() and not force_download:
with PROCESSED_PATH.open() as file:
return json.load(file)
rv = get_ols_descendants(ontology="cheminf", uri=BASE_URL, force_download=force_download)
with PROCESSED_PATH.open("w") as file:
json.dump(rv, file, indent=2, sort_keys=True)
return rv
if __name__ == "__main__":
print(len(get_cheminf(force_download=True))) # noqa:T201