spaCy/spacy/training/callbacks.py

33 lines
1.2 KiB
Python
Raw Normal View History

from typing import Optional
from ..errors import Errors
from ..language import Language
from ..util import load_model, registry, logger
@registry.callbacks("spacy.copy_from_base_model.v1")
def create_copy_from_base_model(
tokenizer: Optional[str] = None,
vocab: Optional[str] = None,
) -> Language:
def copy_from_base_model(nlp):
if tokenizer:
logger.info(f"Copying tokenizer from: {tokenizer}")
base_nlp = load_model(tokenizer)
if nlp.config["nlp"]["tokenizer"] == base_nlp.config["nlp"]["tokenizer"]:
nlp.tokenizer.from_bytes(base_nlp.tokenizer.to_bytes(exclude=["vocab"]))
else:
raise ValueError(
Errors.E872.format(
curr_config=nlp.config["nlp"]["tokenizer"],
base_config=base_nlp.config["nlp"]["tokenizer"],
)
)
if vocab:
logger.info(f"Copying vocab from: {vocab}")
# only reload if the vocab is from a different model
if tokenizer != vocab:
base_nlp = load_model(vocab)
nlp.vocab.from_bytes(base_nlp.vocab.to_bytes())
return copy_from_base_model