import spacy from spacy.language import Language from spacy.lang.en import English from spacy.tests.util import make_tempdir def test_issue5137(): @Language.factory("my_component") class MyComponent: def __init__(self, nlp, name="my_component", categories="all_categories"): self.nlp = nlp self.categories = categories self.name = name def __call__(self, doc): pass def to_disk(self, path, **kwargs): pass def from_disk(self, path, **cfg): pass nlp = English() my_component = nlp.add_pipe("my_component") assert my_component.categories == "all_categories" with make_tempdir() as tmpdir: nlp.to_disk(tmpdir) overrides = {"components": {"my_component": {"categories": "my_categories"}}} nlp2 = spacy.load(tmpdir, config=overrides) assert nlp2.get_pipe("my_component").categories == "my_categories"