X-Git-Url: https://git.openstreetmap.org./nominatim.git/blobdiff_plain/1fdcec985a2e4127391394261a5d25dd17a1af63..2ca83efc36a96cfa070be61c7422d255044130f3:/nominatim/tools/replication.py?ds=sidebyside diff --git a/nominatim/tools/replication.py b/nominatim/tools/replication.py index 1c46c50c..846b9c34 100644 --- a/nominatim/tools/replication.py +++ b/nominatim/tools/replication.py @@ -33,7 +33,8 @@ except ImportError as exc: LOG = logging.getLogger() -def init_replication(conn: Connection, base_url: str) -> None: +def init_replication(conn: Connection, base_url: str, + socket_timeout: int = 60) -> None: """ Set up replication for the server at the given base URL. """ LOG.info("Using replication source: %s", base_url) @@ -42,9 +43,8 @@ def init_replication(conn: Connection, base_url: str) -> None: # margin of error to make sure we get all data date -= dt.timedelta(hours=3) - repl = ReplicationServer(base_url) - - seq = repl.timestamp_to_sequence(date) + with _make_replication_server(base_url, socket_timeout) as repl: + seq = repl.timestamp_to_sequence(date) if seq is None: LOG.fatal("Cannot reach the configured replication service '%s'.\n" @@ -57,7 +57,8 @@ def init_replication(conn: Connection, base_url: str) -> None: LOG.warning("Updates initialised at sequence %s (%s)", seq, date) -def check_for_updates(conn: Connection, base_url: str) -> int: +def check_for_updates(conn: Connection, base_url: str, + socket_timeout: int = 60) -> int: """ Check if new data is available from the replication service at the given base URL. """ @@ -68,7 +69,8 @@ def check_for_updates(conn: Connection, base_url: str) -> int: "Please run 'nominatim replication --init' first.") return 254 - state = ReplicationServer(base_url).get_state_info() + with _make_replication_server(base_url, socket_timeout) as repl: + state = repl.get_state_info() if state is None: LOG.error("Cannot get state for URL %s.", base_url) @@ -128,10 +130,7 @@ def update(conn: Connection, options: MutableMapping[str, Any], if endseq is None: return UpdateState.NO_CHANGES - # Consume updates with osm2pgsql. - options['append'] = True - options['disable_jit'] = conn.server_version_tuple() >= (11, 0) - run_osm2pgsql(options) + run_osm2pgsql_updates(conn, options) # Write the current status to the file endstate = repl.get_state_info(endseq) @@ -141,6 +140,25 @@ def update(conn: Connection, options: MutableMapping[str, Any], return UpdateState.UP_TO_DATE +def run_osm2pgsql_updates(conn: Connection, options: MutableMapping[str, Any]) -> None: + """ Run osm2pgsql in append mode. + """ + # Remove any stale deletion marks. + with conn.cursor() as cur: + cur.execute('TRUNCATE place_to_be_deleted') + conn.commit() + + # Consume updates with osm2pgsql. + options['append'] = True + options['disable_jit'] = conn.server_version_tuple() >= (11, 0) + run_osm2pgsql(options) + + # Handle deletions + with conn.cursor() as cur: + cur.execute('SELECT flush_deleted_places()') + conn.commit() + + def _make_replication_server(url: str, timeout: int) -> ContextManager[ReplicationServer]: """ Returns a ReplicationServer in form of a context manager. @@ -154,25 +172,25 @@ def _make_replication_server(url: str, timeout: int) -> ContextManager[Replicati """ Download a resource from the given URL and return a byte sequence of the content. """ - get_params = { - 'headers': {"User-Agent" : f"Nominatim (pyosmium/{pyo_version.pyosmium_release})"}, - 'timeout': timeout or None, - 'stream': True - } + headers = {"User-Agent" : f"Nominatim (pyosmium/{pyo_version.pyosmium_release})"} if self.session is not None: - return self.session.get(url.get_full_url(), **get_params) + return self.session.get(url.get_full_url(), + headers=headers, timeout=timeout or None, + stream=True) @contextmanager def _get_url_with_session() -> Iterator[requests.Response]: with requests.Session() as session: - request = session.get(url.get_full_url(), **get_params) # type: ignore + request = session.get(url.get_full_url(), + headers=headers, timeout=timeout or None, + stream=True) yield request return _get_url_with_session() repl = ReplicationServer(url) - repl.open_url = types.MethodType(patched_open_url, repl) + setattr(repl, 'open_url', types.MethodType(patched_open_url, repl)) return cast(ContextManager[ReplicationServer], repl)