Origin: upstream, https://github.com/OfflineIMAP/offlineimap3/commit/7cd32cf834b34a3d4675b29bebcd32dc1e5ef128 From: 0pointerexception Date: Thu, 17 Nov 2022 19:43:58 +0100 Subject: LocalStatusSQLite.py: Python 3.11 compatible threadsafety check Signed-off-by: 0pointerexception --- offlineimap/folder/LocalStatusSQLite.py | 10 ++++++++-- 1 file changed, 8 insertions(+), 2 deletions(-) diff --git a/offlineimap/folder/LocalStatusSQLite.py b/offlineimap/folder/LocalStatusSQLite.py index a576b9ca..3c44643f 100644 --- a/offlineimap/folder/LocalStatusSQLite.py +++ b/offlineimap/folder/LocalStatusSQLite.py @@ -17,7 +17,7 @@ import os import sqlite3 as sqlite -from sys import exc_info +from sys import exc_info,version_info from threading import Lock from .Base import BaseFolder @@ -75,6 +75,11 @@ def __init__(self, name, repository): self.filename = os.path.join(self.getroot(), self.getfolderbasename()) self._newfolder = False # Flag if the folder is new. + """ + sqlite threading mode must be 3 as of Python 3.11, checking against + 1 for versions below Python 3.11 to sustain backwards compatibility. + """ + self._threading_mode_const = 3 if version_info.minor >=11 else 1 dirname = os.path.dirname(self.filename) if not os.path.exists(dirname): @@ -102,9 +107,10 @@ def __exit__(self, exc_type, exc_val, exc_tb): if self._in_transactions < 1: self.connection.commit() + def openfiles(self): # Make sure sqlite is in multithreading SERIALIZE mode. - assert sqlite.threadsafety == 1, 'Your sqlite is not multithreading safe.' + assert sqlite.threadsafety == self._threading_mode_const, 'Your sqlite is not multithreading safe.' with self._databaseFileLock.getLock(): # Try to establish connection, no need for threadsafety in __init__.