ALL-ERRO0004 · examples

These examples come directly from ALL-ERRO0004. Read their source.

Bad

try:
    record = fetch(key)
    if record.expired:
        raise StaleRecord(key)
except StaleRecord:
    record = rebuild(key)

Good

def fresh(key):
    record = fetch(key)
    if record.expired:
        raise StaleRecord(key)
    return record

try:
    record = fresh(key)
except StaleRecord:
    record = rebuild(key)