Files
fn_registry/python/functions/datascience/diff_entities.md
T
egutierrez 837563c3ba feat: funciones Python datascience, finance, cybersecurity y pipelines
Datascience: aggregate_by_group, deduplicate_entities/relations, detect_drift,
diff_entities/relations, extract_entities/relations_llm, hotness_score, melt,
merge_graphs, pivot, build_entity/relation_schema_prompt.
Finance: avellaneda_stoikov_quotes, generate_gbm_prices, generate_taker_order,
hawkes_intensity + módulo finance.py.
Cybersecurity: envelope_encrypt/decrypt + módulo cybersecurity.py.
Pipelines: extraction_pipeline, monte_carlo_market, run_market_sim.

Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>
2026-04-05 17:11:32 +02:00

2.2 KiB

name, kind, lang, domain, version, purity, signature, description, tags, uses_functions, uses_types, returns, returns_optional, error_type, imports, tested, tests, test_file_path, file_path
name kind lang domain version purity signature description tags uses_functions uses_types returns returns_optional error_type imports tested tests test_file_path file_path
diff_entities function py datascience 1.0.0 pure def diff_entities(before: list[dict], after: list[dict], key: str = 'id', ignore_fields: list[str] | None = None, compare_fields: list[str] | None = None) -> dict Compara dos snapshots de entities y devuelve diferencias campo a campo. Detecta añadidas, eliminadas, modificadas e inalteradas. Ignora created_at y updated_at por defecto.
diff
entities
snapshot
operations
comparison
datascience
false
true
entity añadida
entity eliminada
entity modificada con detalle de campos
entities identicas → unchanged
ignore_fields funciona
compare_fields filtra correctamente
lista vacia vs lista con datos
python/functions/datascience/diff_entities_test.py python/functions/datascience/diff_entities.py

Ejemplo

before = [
    {"id": "1", "name": "Alice", "status": "active", "updated_at": "2024-01-01"},
    {"id": "2", "name": "Bob", "status": "active", "updated_at": "2024-01-01"},
]
after = [
    {"id": "1", "name": "Alice", "status": "inactive", "updated_at": "2024-01-02"},
    {"id": "3", "name": "Carol", "status": "active", "updated_at": "2024-01-02"},
]

result = diff_entities(before, after)
# result["added"]    -> [{"id": "3", "name": "Carol", ...}]
# result["removed"]  -> [{"id": "2", "name": "Bob", ...}]
# result["modified"] -> [{"key": "1", "changes": {"status": {"old": "active", "new": "inactive"}}}]
# result["unchanged"] -> 0
# result["summary"]  -> "1 added, 1 removed, 1 modified, 0 unchanged"

Notas

Funcion pura. No hace I/O — toma listas de dicts ya cargadas en memoria.

El campo key debe existir en todas las entities; las que no lo tengan se ignoran silenciosamente.

Si compare_fields se da, tiene prioridad sobre ignore_fields. Esto permite comparar solo un subconjunto especifico de campos sin preocuparse por los campos temporales.

El orden de added y removed no esta garantizado (depende del orden de iteracion de sets).