spacy_entityruler.py

import spacy

nlp = spacy.blanc("en")
doc_before = nlp("John lives in Atlanta")

# No entities are detected

print(doc_before.ents)
# ()

# Create an entity ruler and add it some patterns

entity_ruler = nlp.add_pipe("entity_ruler")

patterns = [
    {
        "label": "PERSON",
        "pattern": "John",
        "id": "john",
    },
    {
        "label": "GPE",
        "pattern": [{"LOWER": "atlanta"}],
        "id": "atlanta",
    },
]

entity_ruler.add_patterns(patterns)
doc_after = nlp("Jonh lives in Atlanta.")

for ent in doc.ents:
    print(ent.text, ":", ent.label_)  
# John : PERSON
# atlanta : GPE