Remove sqlean.py from requires

Author: passren

pydynamodb/superset_dynamodb/querydb_sqlite.py

@@ -1,16 +1,29 @@
 # -*- coding: utf-8 -*-
 import logging
-import sqlean as sqlite3
 from datetime import datetime, date
 from contextlib import closing
 from typing import Any, Type
 
+# Try to import sqlean first, fall back to native sqlite3
+try:
+    import sqlean as sqlite3
+
+    _SQLEAN_INSTALLED = True
+except ImportError:
+    import sqlite3
+
+    _SQLEAN_INSTALLED = False
+
 from .querydb import QueryDB, QueryDBConfig
 from ..model import Statement
 
 _logger = logging.getLogger(__name__)  # type: ignore
 
 
+def has_sqlean() -> bool:
+    return _SQLEAN_INSTALLED
+
+
 class SqliteFileQueryDB(QueryDB):
     def __init__(
         self,
@@ -24,7 +37,10 @@ def __init__(
     @property
     def connection(self):
         if self._connection is None:
-            sqlite3.extensions.enable("math", "regexp", "stats", "text")
+            # Enable extensions only if sqlean is available
+            if _SQLEAN_INSTALLED:
+                sqlite3.extensions.enable("math", "regexp", "stats", "text")
+
             self._connection = sqlite3.connect(
                 self.config.db_url,
                 detect_types=sqlite3.PARSE_DECLTYPES | sqlite3.PARSE_COLNAMES,

requirements.txt

@@ -2,4 +2,4 @@ boto3>=1.21.0
 botocore>=1.24.7
 tenacity>=4.1.0
 pyparsing>=3.0.0
-sqlean.py>=3.45.0
+# sqlean.py>=3.45.0  # Optional: install for enhanced SQLite functionality

setup.py

@@ -14,11 +14,11 @@
     "botocore>=1.24.7",
     "tenacity>=4.1.0",
     "pyparsing>=3.0.0",
-    "sqlean.py>=3.45.0",
 ]
 
 extras_require = {
     "sqlalchemy": ["sqlalchemy>=1.0.0"],
+    "sqlean": ["sqlean.py>=3.45.0"],
 }
 
 setup(

tests/test_superset_dynamodb.py

@@ -3,8 +3,10 @@
 import sqlite3
 from typing import Any, Type
 
+import pytest
 from sqlalchemy.sql import text
 from pydynamodb.superset_dynamodb.querydb import QueryDB, QueryDBConfig
+from pydynamodb.superset_dynamodb.querydb_sqlite import has_sqlean
 from pydynamodb.model import Statement
 
 TESTCASE04_TABLE = "pydynamodb_test_case04"
@@ -303,6 +305,7 @@ def test_string_functions_select_2(self, superset_cursor):
         assert len(ret) == 2
         assert ret[0] == ("F", "f_2", "F-2", "f-2", "2")
 
+    @pytest.mark.skipif(not has_sqlean(), reason="sqlean not available")
     def test_sqlean_string_functions(self, superset_cursor):
         superset_cursor.execute(
             """