X-Git-Url: https://git.openstreetmap.org./nominatim.git/blobdiff_plain/bb2bd76f91ed6e4b1530a7fb66553c7fd92afd9d..23500181061bb31c463f54a17467ecffbbe9ef9a:/nominatim/db/status.py diff --git a/nominatim/db/status.py b/nominatim/db/status.py index d31196b3..2c01de71 100644 --- a/nominatim/db/status.py +++ b/nominatim/db/status.py @@ -7,17 +7,29 @@ """ Access and helper functions for the status and status log table. """ +from typing import Optional, Tuple, cast import datetime as dt import logging import re +from nominatim.db.connection import Connection from nominatim.tools.exec_utils import get_url from nominatim.errors import UsageError +from nominatim.typing import TypedDict LOG = logging.getLogger() ISODATE_FORMAT = '%Y-%m-%dT%H:%M:%S' -def compute_database_date(conn): + +class StatusRow(TypedDict): + """ Dictionary of columns of the import_status table. + """ + lastimportdate: dt.datetime + sequence_id: Optional[int] + indexed: Optional[bool] + + +def compute_database_date(conn: Connection) -> dt.datetime: """ Determine the date of the database from the newest object in the data base. """ @@ -49,10 +61,12 @@ def compute_database_date(conn): return dt.datetime.strptime(match.group(1), ISODATE_FORMAT).replace(tzinfo=dt.timezone.utc) -def set_status(conn, date, seq=None, indexed=True): +def set_status(conn: Connection, date: Optional[dt.datetime], + seq: Optional[int] = None, indexed: bool = True) -> None: """ Replace the current status with the given status. If date is `None` then only sequence and indexed will be updated as given. Otherwise the whole status is replaced. + The change will be committed to the database. """ assert date is None or date.tzinfo == dt.timezone.utc with conn.cursor() as cur: @@ -67,7 +81,7 @@ def set_status(conn, date, seq=None, indexed=True): conn.commit() -def get_status(conn): +def get_status(conn: Connection) -> Tuple[Optional[dt.datetime], Optional[int], Optional[bool]]: """ Return the current status as a triple of (date, sequence, indexed). If status has not been set up yet, a triple of None is returned. """ @@ -76,11 +90,11 @@ def get_status(conn): if cur.rowcount < 1: return None, None, None - row = cur.fetchone() + row = cast(StatusRow, cur.fetchone()) return row['lastimportdate'], row['sequence_id'], row['indexed'] -def set_indexed(conn, state): +def set_indexed(conn: Connection, state: bool) -> None: """ Set the indexed flag in the status table to the given state. """ with conn.cursor() as cur: @@ -88,7 +102,8 @@ def set_indexed(conn, state): conn.commit() -def log_status(conn, start, event, batchsize=None): +def log_status(conn: Connection, start: dt.datetime, + event: str, batchsize: Optional[int] = None) -> None: """ Write a new status line to the `import_osmosis_log` table. """ with conn.cursor() as cur: @@ -96,3 +111,4 @@ def log_status(conn, start, event, batchsize=None): (batchend, batchseq, batchsize, starttime, endtime, event) SELECT lastimportdate, sequence_id, %s, %s, now(), %s FROM import_status""", (batchsize, start, event)) + conn.commit()