Files
drc-ners-nlp/processing/ner/name_builder.py
T

69 lines
2.4 KiB
Python

import json
import logging
import spacy
from spacy.tokens import DocBin
from core.config import PipelineConfig
from core.utils.data_loader import DataLoader
from .name_tagger import NameTagger
class NameBuilder:
def __init__(self, config: PipelineConfig):
self.config = config
self.data_loader = DataLoader(config)
self.tagger = NameTagger()
def build(self) -> int:
filepath = self.config.paths.get_data_path(self.config.data.output_files["engineered"])
df = self.data_loader.load_csv_complete(filepath)
df = df[["name", "ner_tagged", "ner_entities"]]
# Filter early
ner_df = df.loc[df["ner_tagged"] == 1, ["name", "ner_entities"]]
if ner_df.empty:
logging.error("No NER tagged data found")
return 1
total_rows = len(df)
del df # No need to keep in memory
logging.info(f"Found {len(ner_df)} NER tagged entries")
nlp = spacy.blank("fr")
# Use NERNameTagger for parsing and validation
parsed_entities = NameTagger.parse_entities(ner_df["ner_entities"])
validated_entities = NameTagger.validate_entities(ner_df["name"], parsed_entities)
# Drop rows with no valid entities
mask = validated_entities.map(bool)
ner_df = ner_df.loc[mask]
validated_entities = validated_entities.loc[mask]
if ner_df.empty:
logging.error("No valid training examples after validation")
return 1
# Prepare training data
training_data = list(
zip(ner_df["name"].tolist(), [{"entities": ents} for ents in validated_entities])
)
# Use NERNameTagger to create spaCy DocBin
docs = NameTagger.create_docs(nlp, ner_df["name"].tolist(), validated_entities.tolist())
doc_bin = DocBin(docs=docs)
# Save
json_path = self.config.paths.get_data_path(self.config.data.output_files["ner_data"])
spacy_path = self.config.paths.get_data_path(self.config.data.output_files["ner_spacy"])
with open(json_path, "w", encoding="utf-8") as f:
json.dump(training_data, f, ensure_ascii=False, separators=(",", ":"))
doc_bin.to_disk(spacy_path)
logging.info(f"Processed: {len(training_data)}, Skipped: {total_rows - len(training_data)}")
logging.info(f"Saved NER JSON to {json_path}")
logging.info(f"Saved NER spacy to {spacy_path}")
return 0