improve sqlite3 import error message

src/ewoksutils/logging_utils/sqlite3.py

@@ -1,4 +1,3 @@
-import sqlite3
 import time
 from typing import Any
 from typing import Dict
@@ -7,6 +6,7 @@
 from typing import Sequence
 
 from .. import sqlite3_utils
+from ..sqlite3_utils import sqlite3
 from .connection import ConnectionHandler
 
 Sqlite3RecordType = List[Any]

src/ewoksutils/sqlite3_utils.py

@@ -1,6 +1,5 @@
 import json
 import re
-import sqlite3
 from contextlib import closing
 from contextlib import contextmanager
 from datetime import datetime
@@ -13,6 +12,17 @@
 from typing import Optional
 from typing import Union
 
+try:
+    import sqlite3
+except ImportError as exc:
+    raise ImportError(
+        "Python's sqlite3 module is required but is not available. "
+        "This usually means that the Python interpreter was built without SQLite "
+        "support. Install the SQLite development libraries required by your "
+        "operating system, then reinstall or rebuild Python and recreate the "
+        "virtual environment."
+    ) from exc
+
 from . import uri_utils
 from .datetime_utils import fromisoformat
 

src/ewoksutils/tests/test_logging_sqlite3.py

@@ -1,11 +1,11 @@
 import logging
-import sqlite3
 import threading
 import time
 from typing import Optional
 
 from .. import sqlite3_utils
 from ..logging_utils.sqlite3 import Sqlite3Handler
+from ..sqlite3_utils import sqlite3
 
 FIELD_TYPES = {"field1": 0, "field2": ""}