Handle dependencies

py-polars/pyproject.toml

@@ -215,6 +215,8 @@ filterwarnings = [
   # Ignore warnings issued by dependency internals
   "ignore:.*is_sparse is deprecated.*:FutureWarning",
   "ignore:FigureCanvasAgg is non-interactive:UserWarning",
+  "ignore:datetime.datetime.utcfromtimestamp\\(\\) is deprecated.*:DeprecationWarning",
+  "ignore:datetime.datetime.utcnow\\(\\) is deprecated.*:DeprecationWarning",
 ]
 xfail_strict = true
 

py-polars/requirements-dev.txt

@@ -26,11 +26,16 @@ tzdata; platform_system == 'Windows'
 # Database
 SQLAlchemy
 adbc_driver_sqlite; python_version >= '3.9' and platform_system != 'Windows'
-connectorx
+# TODO: Remove version constraint for connectorx when Python 3.12 is supported:
+# https://github.com/sfu-db/connector-x/issues/527
+connectorx; python_version <= '3.11'
 # Cloud
 cloudpickle
 fsspec
 s3fs[boto3]
+# TODO: Unpin and remove aiohttp here when 3.9.0 is released:
+# https://github.com/aio-libs/aiohttp/issues/7739
+aiohttp==3.9.0b1
 # Spreadsheet
 ezodf
 lxml

py-polars/tests/unit/io/test_database_read.py

@@ -34,6 +34,12 @@ def adbc_sqlite_connect(*args: Any, **kwargs: Any) -> Any:
 def create_temp_sqlite_db(test_db: str) -> None:
     Path(test_db).unlink(missing_ok=True)
 
+    def convert_date(val):
+        """Convert ISO 8601 date to datetime.date object."""
+        return date.fromisoformat(val.decode())
+
+    sqlite3.register_converter("date", convert_date)
+
     # NOTE: at the time of writing adcb/connectorx have weak SQLite support (poor or
     # no bool/date/datetime dtypes, for example) and there is a bug in connectorx that
     # causes float rounding < py 3.11, hence we are only testing/storing simple values
@@ -183,6 +189,10 @@ def __call__(self, *args: Any, **kwargs: Any) -> Any:  # noqa: D102
                 schema_overrides={"id": pl.UInt8},
             ),
             id="uri: connectorx",
+            marks=pytest.mark.skipif(
+                sys.version_info > (3, 11),
+                reason="connectorx cannot be installed on Python 3.12 yet.",
+            ),
         ),
         pytest.param(
             *DatabaseReadTestParams(
@@ -584,6 +594,10 @@ def test_read_database_exceptions(
         read_database(**params)
 
 
+@pytest.mark.skipif(
+    sys.version_info > (3, 11),
+    reason="connectorx cannot be installed on Python 3.12 yet.",
+)
 @pytest.mark.parametrize(
     "uri",
     [

py-polars/tests/unit/io/test_database_write.py

@@ -23,12 +23,16 @@ def adbc_sqlite_driver_version(*args: Any, **kwargs: Any) -> str:
     return "n/a"
 
 
-@pytest.mark.write_disk()
-@pytest.mark.parametrize("engine", ["adbc", "sqlalchemy"])
+@pytest.mark.skipif(
+    sys.version_info > (3, 11),
+    reason="connectorx cannot be installed on Python 3.12 yet.",
+)
 @pytest.mark.skipif(
     sys.version_info < (3, 9) or sys.platform == "win32",
     reason="adbc_driver_sqlite not available below Python 3.9 / on Windows",
 )
+@pytest.mark.write_disk()
+@pytest.mark.parametrize("engine", ["adbc", "sqlalchemy"])
 def test_write_database_create(engine: DbWriteEngine, tmp_path: Path) -> None:
     df = pl.DataFrame(
         {
@@ -51,12 +55,16 @@ def test_write_database_create(engine: DbWriteEngine, tmp_path: Path) -> None:
     assert_frame_equal(result, df)
 
 
-@pytest.mark.write_disk()
-@pytest.mark.parametrize("engine", ["adbc", "sqlalchemy"])
+@pytest.mark.skipif(
+    sys.version_info > (3, 11),
+    reason="connectorx cannot be installed on Python 3.12 yet.",
+)
 @pytest.mark.skipif(
     sys.version_info < (3, 9) or sys.platform == "win32",
     reason="adbc_driver_sqlite not available below Python 3.9 / on Windows",
 )
+@pytest.mark.write_disk()
+@pytest.mark.parametrize("engine", ["adbc", "sqlalchemy"])
 def test_write_database_append(engine: DbWriteEngine, tmp_path: Path) -> None:
     df = pl.DataFrame(
         {
@@ -96,6 +104,10 @@ def test_write_database_append(engine: DbWriteEngine, tmp_path: Path) -> None:
     assert_frame_equal(result, pl.concat([df, df]))
 
 
+@pytest.mark.skipif(
+    sys.version_info < (3, 9) or sys.platform == "win32",
+    reason="adbc_driver_sqlite not available below Python 3.9 / on Windows",
+)
 @pytest.mark.write_disk()
 @pytest.mark.parametrize(
     "engine",
@@ -106,13 +118,15 @@ def test_write_database_append(engine: DbWriteEngine, tmp_path: Path) -> None:
                 reason="ADBC SQLite driver has a bug with quoted/qualified table names",
             ),
         ),
-        "sqlalchemy",
+        pytest.param(
+            "sqlalchemy",
+            marks=pytest.mark.skipif(
+                sys.version_info > (3, 11),
+                reason="connectorx cannot be installed on Python 3.12 yet.",
+            ),
+        ),
     ],
 )
-@pytest.mark.skipif(
-    sys.version_info < (3, 9) or sys.platform == "win32",
-    reason="adbc_driver_sqlite not available below Python 3.9 / on Windows",
-)
 def test_write_database_create_quoted_tablename(
     engine: DbWriteEngine, tmp_path: Path
 ) -> None: