1 """ sqlite event store """
3 from sqlite3 import connect
5 __all__ = "fetch", "initdb", "stow"
9 SCHEMA = """create table if not exists events (
12 peeraddr text not null,
27 k: kwargs[k] if k in kwargs else v
36 assert len(kwargs) <= len(parms)
38 """insert or ignore into events
39 (tstamp, imei, peeraddr, proto, packet)
41 (:when, :imei, :peeraddr, :proto, :packet)
47 def fetch(imei, protos, backlog):
49 protosel = ", ".join(["?" for _ in range(len(protos))])
51 cur.execute(f"""select packet from events
52 where proto in ({protosel}) and imei = ?
53 order by tstamp desc limit ?""",
54 protos + (imei, backlog))
55 result = [row[0] for row in cur]