build: update package to use pyproject.toml

.kokoro/requirements.in

@@ -8,3 +8,6 @@ setuptools
 nox>=2022.11.21 # required to remove dependency on py
 charset-normalizer<3
 click<8.1.0
+build
+tomli
+secretstorage

noxfile.py

@@ -23,7 +23,7 @@
 BLACK_VERSION = "black==24.10.0"
 ISORT_VERSION = "isort==5.13.2"
 
-LINT_PATHS = ["google", "tests", "noxfile.py", "setup.py"]
+LINT_PATHS = ["google", "tests", "noxfile.py"]
 
 TEST_PYTHON_VERSIONS = ["3.9", "3.10", "3.11", "3.12", "3.13"]
 
@@ -71,7 +71,7 @@ def lint(session):
         "--non-interactive",
         "--show-traceback",
     )
-    # verify that setup.py is valid
+    # verify that pyproject.toml is valid
     session.run("python", "-m", "build", "--sdist")
     session.run("twine", "check", "--strict", "dist/*")
 

pyproject.toml

@@ -0,0 +1,84 @@
+# Copyright 2025 Google LLC
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#     http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+
+[build-system]
+requires = ["setuptools"]
+build-backend = "setuptools.build_meta"
+
+[project]
+description = "Google Cloud SQL Python Connector library"
+name = "cloud-sql-python-connector"
+authors = [{ name = "Google LLC", email = "googleapis-packages@google.com" }]
+license = { text = "Apache 2.0" }
+requires-python = ">=3.9"
+readme = "README.md"
+classifiers = [
+    # Should be one of:
+    # "Development Status :: 3 - Alpha"
+    # "Development Status :: 4 - Beta"
+    # "Development Status :: 5 - Production/Stable"
+    "Development Status :: 5 - Production/Stable",
+    "Intended Audience :: Developers",
+    "License :: OSI Approved :: Apache Software License",
+    "Programming Language :: Python",
+    "Programming Language :: Python :: 3",
+    "Programming Language :: Python :: 3.9",
+    "Programming Language :: Python :: 3.10",
+    "Programming Language :: Python :: 3.11",
+    "Programming Language :: Python :: 3.12",
+    "Programming Language :: Python :: 3.13",
+    "Operating System :: OS Independent",
+]
+dependencies = [
+    "aiofiles",
+    "aiohttp",
+    "cryptography>=42.0.0",
+    "dnspython>=2.0.0",
+    "Requests",
+    "google-auth>=2.28.0",
+]
+dynamic = ["version"]
+
+[project.urls]
+Homepage = "https://github.com/GoogleCloudPlatform/cloud-sql-python-connector"
+Repository = "https://github.com/GoogleCloudPlatform/cloud-sql-python-connector.git"
+Issues = "https://github.com/GoogleCloudPlatform/cloud-sql-python-connector/issues"
+Changelog = "https://github.com/GoogleCloudPlatform/cloud-sql-python-connector/blob/main/CHANGELOG.md"
+
+[project.optional-dependencies]
+pymysql = ["PyMySQL>=1.1.0"]
+pg8000 = ["pg8000>=1.31.1"]
+pytds = ["python-tds>=1.15.0"]
+asyncpg = ["asyncpg>=0.30.0"]
+
+[tool.setuptools.dynamic]
+version = { attr = "google.cloud.sql.connector.version.__version__" }
+
+[tool.setuptools.package-data]
+"google.cloud.sql.connector" = ["py.typed"]
+
+[tool.setuptools.packages.find]
+# Only include packages under the 'google' namespace. Do not include tests,
+# benchmarks, etc.
+include = ["google*"]
+
+[tool.mypy]
+python_version = "3.9"
+namespace_packages = true
+ignore_missing_imports = true
+warn_unused_configs = true
+exclude = ['docs/*', 'samples/*']
+
+[tool.pytest.ini_options]
+asyncio_mode = "auto"

tests/system/test_asyncpg_connection.py

@@ -140,7 +140,7 @@ async def getconn(
             password=password,
             db=db,
             ip_type="public",  # can also be "private" or "psc",
-            **kwargs
+            **kwargs,
         )
         return conn