refactor: pkg_resources -> importlib.metadata (#24514)

requirements/base.txt

@@ -135,7 +135,9 @@ humanize==3.11.0
 idna==3.2
     # via email-validator
 importlib-metadata==6.6.0
-    # via flask
+    # via
+    #   apache-superset
+    #   flask
 importlib-resources==5.12.0
     # via limits
 isodate==0.6.0

setup.py

@@ -94,6 +94,7 @@ setup(
         "hashids>=1.3.1, <2",
         "holidays>=0.23, <0.24",
         "humanize",
+        "importlib_metadata",
         "isodate",
         "Mako>=1.2.2",
         "markdown>=3.0",

superset/db_engine_specs/__init__.py

@@ -37,7 +37,7 @@ from typing import Any, Optional
 
 import sqlalchemy.databases
 import sqlalchemy.dialects
-from pkg_resources import iter_entry_points
+from importlib_metadata import entry_points
 from sqlalchemy.engine.default import DefaultDialect
 from sqlalchemy.engine.url import URL
 
@@ -74,7 +74,7 @@ def load_engine_specs() -> list[type[BaseEngineSpec]]:
             if is_engine_spec(getattr(module, attr))
         )
     # load additional engines from external modules
-    for ep in iter_entry_points("superset.db_engine_specs"):
+    for ep in entry_points(group="superset.db_engine_specs"):
         try:
             engine_spec = ep.load()
         except Exception:  # pylint: disable=broad-except
@@ -150,7 +150,7 @@ def get_available_engine_specs() -> dict[type[BaseEngineSpec], set[str]]:
                 drivers[attr].add(attribute.dialect.driver)
 
     # installed 3rd-party dialects
-    for ep in iter_entry_points("sqlalchemy.dialects"):
+    for ep in entry_points(group="sqlalchemy.dialects"):
         try:
             dialect = ep.load()
         except Exception as ex:  # pylint: disable=broad-except

tests/unit_tests/db_engine_specs/test_init.py

@@ -17,7 +17,6 @@
 
 
 import pytest
-from pkg_resources import EntryPoint
 from pytest_mock import MockFixture
 
 from superset.db_engine_specs import get_available_engine_specs