from pathlib import Path

import spacy
from spacy.lang.en import English
from spacy.language import Language
from spacy.tokens import Doc
from thinc.api import Config
 
 
class MyComponent:
    def __init__(self, nlp, name, path_: Path, set_: set[str]) -> None:
        self.path_= path_
        self.set_ = set_
 
    def __call__(self, doc: Doc) -> Doc:
        ...
 
@Language.factory(
    "my_component",
    default_config={"path_": "./model", "set_": set(["a", "b"])},
)
def create_path_component(nlp, name, path_: Path, set_: set[str]) -> MyComponent:
    return MyComponent(nlp=nlp, name=name, path_=path_, set_=set_)

CONFIG = """
[nlp]
lang = "en"
pipeline = ["my_component"]
 
[components]

[components.my_component]
factory = "my_component"
path_ = "./model
set_ = ["a", "b"]
"""

cfg = Config().from_str(CONFIG)
nlp = English.from_config(cfg)

component = nlp.get_pipe("my_component")
print("component.path_ is Path:", isinstance(component.path_, Path))
print("component.set_ is set:", isinstance(component.set_, set))

---------------------------------------------------------------------------
ConfigValidationError                     Traceback (most recent call last)
[/tmp/ipykernel_21433/1043605428.py](https://localhost:8080/#) in <cell line: 0>()
     37 
     38 cfg = Config().from_str(CONFIG)
---> 39 nlp = English.from_config(cfg)
     40 
     41 component = nlp.get_pipe("my_component")

8 frames
[/usr/local/lib/python3.12/dist-packages/confection/_registry.py](https://localhost:8080/#) in _validate_promise_args(filled, schema, func_name, parent)
    343             )
    344     if errors:
--> 345         raise ConfigValidationError(
    346             config=filled,
    347             errors=errors,

ConfigValidationError: 

Config error for 'my_component'
my_component -> set_	at root: ['a', 'b'] is not set[str]
{'nlp': <spacy.lang.en.English object at 0x7d659676e1b0>, 'name': 'my_component', 'path_': '"./model', 'set_': ['a', 'b'], '@factories': 'my_component'}