.flake8

@@ -0,0 +1,5 @@
+[flake8]
+max-line-length = 88
+extend-ignore = E203
+per-file-ignores=
+    tests/test_dj_database_url.py: E501, E265

.github/workflows/release.yml

@@ -1,8 +1,9 @@
 name: Release
 
 on:
-  release:
-    types: [published]
+  push:
+    tags:
+    - '*'
 
 jobs:
   build:
@@ -10,29 +11,28 @@ jobs:
     runs-on: ubuntu-latest
 
     steps:
-      - uses: actions/checkout@v6
+      - uses: actions/checkout@v4
         with:
           fetch-depth: 0
 
-      - name: Set version from release/tag
-        id: version
-        run: |
-          VERSION=${GITHUB_REF#refs/*/}
-          VERSION=${VERSION#v}
-          echo "VERSION=$VERSION" >> $GITHUB_ENV
-          echo "version=$VERSION" >> $GITHUB_OUTPUT
-
-      - uses: astral-sh/setup-uv@v7
+      - name: Set up Python
+        uses: actions/setup-python@v5
         with:
-          python-version: 3.12
+          python-version: '3.10'
+
+      - name: Install dependencies
+        run: |
+          python -m pip install -U pip
+          python -m pip install -U setuptools wheel twine
 
       - name: Build package
         run: |
-          uv version ${{ env.VERSION }}
-          uv build
-          uvx twine check dist/*
+          python setup.py --version
+          python setup.py sdist --format=gztar bdist_wheel
+          twine check dist/*
 
       - name: Upload packages to Jazzband
+        if: github.event_name == 'push' && startsWith(github.ref, 'refs/tags')
         uses: pypa/gh-action-pypi-publish@release/v1
         with:
           user: jazzband

.github/workflows/test.yml

@@ -1,74 +1,56 @@
 name: test
 on: [push, pull_request]
 jobs:
-  formatting:
-    runs-on: ubuntu-latest
-    steps:
-      - uses: actions/checkout@v6
-
-      - name: Install uv
-        uses: astral-sh/setup-uv@v7
-        with:
-          python-version: "3.12"
-
-      - name: Run ruff
-        run: uvx ruff check
-
-
-  typecheck:
-    runs-on: ubuntu-latest
-    steps:
-      - uses: actions/checkout@v6
-
-      - name: Install uv
-        uses: astral-sh/setup-uv@v7
-        with:
-          python-version: "3.12"
-
-      - name: Run mypy
-        run: uvx mypy dj_database_url
-
-      - name: Run pyright
-        run: uvx pyright dj_database_url
-
   test:
     runs-on: ubuntu-latest
-    needs: [formatting, typecheck]
     strategy:
       fail-fast: false
       matrix:
-        python-version: ["3.10", "3.11", "3.12", "3.13", "3.14"]
-        django-version: ["4.2", "5.2", "6.0"]
+        python-version: ["3.9", "3.10", "3.11", "3.12", "3.13"]
+        django-version: ["4.2", "5.1"]
         exclude:
-          # django 4.x is not compatible with python 3.13 or higher
-          - python-version: "3.13"
-            django-version: "4.2"
-          - python-version: "3.14"
-            django-version: "4.2"
-          # django 6.x is not compatible with python 3.11 or lower
-          - python-version: "3.10"
-            django-version: "6.0"
+          # Python 3.11 is not compatible with 3.2
           - python-version: "3.11"
-            django-version: "6.0"
+            django-version: "3.2"
+          - python-version: "3.12"
+            django-version: "3.2"
+          - python-version: "3.13"
+            django-version: "3.2"
+          # django 5.x is not compatible with python 3.9 or lower
+          - python-version: "3.9"
+            django-version: "5.1"
 
     steps:
       - uses: actions/checkout@v4
 
-      - name: Install uv and set the Python version
-        uses: astral-sh/setup-uv@v7
+      - name: Set up Python ${{ matrix.python-version }}
+        uses: actions/setup-python@v5
         with:
           python-version: ${{ matrix.python-version }}
-          activate-environment: 'true'
+          cache: 'pip'
 
       - name: Install dependencies
         run: |
-          uv pip install "Django~=${{ matrix.django-version }}.0"
+          pip install -r requirements.txt
+          pip install "Django~=${{ matrix.django-version }}.0" .
+
+      - name: Run type checking
+        run: |
+          python -m mypy dj_database_url
+          python -m pyright dj_database_url
 
       - name: Run Tests
         run: |
           echo "$(python --version) / Django $(django-admin --version)"
-          uvx coverage run --source=dj_database_url --branch -m unittest discover -v
-          uvx coverage report
-          uvx coverage xml
+          coverage run --source=dj_database_url --branch -m unittest discover -v
+          coverage report
+          coverage xml
 
       - uses: codecov/codecov-action@v4
+
+      - name: Check types installation
+        run: |
+          pip install .
+          cd tests
+          python -m mypy .
+          python -m pyright .

.isort.cfg

@@ -0,0 +1,2 @@
+[settings]
+profile = black

.pre-commit-config.yaml

@@ -1,21 +1,23 @@
 repos:
   - repo: https://github.com/pre-commit/pre-commit-hooks
-    rev: v6.0.0
+    rev: v5.0.0
     hooks:
       - id: end-of-file-fixer
       - id: trailing-whitespace
 
-  - repo: https://github.com/astral-sh/ruff-pre-commit
-    rev: v0.15.4
+  - repo: https://github.com/pycqa/isort
+    rev: "6.0.1"
     hooks:
-      - id: ruff-check
-        args:
-          - --fix
-      - id: ruff-format
-        args:
-          - --quiet
+        - id: isort
+          args: ["--profile", "black"]
 
-  - repo: https://github.com/crate-ci/typos
-    rev: v1
+  - repo: https://github.com/psf/black
+    rev: 25.1.0
     hooks:
-      - id: typos
+      - id: black
+        args: [--target-version=py38]
+
+  - repo: https://github.com/pycqa/flake8
+    rev: '7.2.0'
+    hooks:
+      - id: flake8

CHANGELOG.md

@@ -1,17 +1,11 @@
 # CHANGELOG
 
-## v3.1.0 (2026-01-03)
-* Add support for Django 6.0
-* Update CI structure.
-* Migrate to UV for dependency management and builds.
-* Python >3.10 support.
-
 ## v3.0.1 (2025-07-01)
 * Drop dependency on `typing_extensions`.
 
 ## v3.0.0 (2025-05-18)
-> Bumping to version 3; changes to code do break some API compatibility.
-* Implement a new decorator registry pattern to implement checks on database connection string.
+> Bumping to version 3; changes to code do break some API compatability.
+* Implement a new decorator registry pattern to impement checks on database connection string.
  * You can now support and implement your own database strings by extending the @register functionality.
 * Update supported python versions and django versions.
 
@@ -24,46 +18,54 @@
 ## v2.2.0 (2024-05-28)
 * Add disable_server_side_cursors parameter
 * Enhance Query String Parsing for Server-Side Binding in Django 4.2 with psycopg 3.1.8+
-* Update django 5.0 python compatibility by @mattseymour in #239
+* Update django 5.0 python compatability by @mattseymour in #239
 * Improved internals
 * Improved documentation
 
 ## v2.1.0 (2023-08-15)
+
 * Add value to int parsing when deconstructing url string.
 
 ## v2.0.0 (2023-04-27)
-* Update project setup such that we now install it as a package.
+
+* Update project setup such that we now install as a package.
 
 _Notes_: while this does not alter the underlying application code, we are bumping to
-2.0 incase there are unforeseen knock-on use-case issues.
+2.0 incase there are unforeseen knock on use-case issues.
 
 ## v1.3.0 (2023-03-27)
+
 * Cosmetic changes to the generation of schemes.
 * Bump isort version - 5.11.5.
-* raise a warning message if `database_url` is not set.
-* `CONN_MAX_AGE` fix type - `Optional[int]`.
+* raise warning message if database_url is not set.
+* CONN_MAX_AGE fix type - Optional[int].
 
 ## v1.2.0 (2022-12-13)
+
 * Add the ability to add test databases.
 * Improve url parsing and encoding.
-* Fix missing parameter `conn_health_check` in check function.
+* Fix missing parameter conn_health_check in check function.
 
 ## v1.1.0 (2022-12-12)
+
 * Option for connection health checks parameter.
 * Update supported version python 3.11.
-* Code changes, various improvements.
-* Add project links to `setup.py`.
+* Code changes, various improvments.
+* Add project links to setup.py
 
 ## v1.0.0 (2022-06-18)
-Initial release of code, dj-database-urls is now part of [Jazzband](https://jazzband.co/).
+
+Initial release of code now dj-database-urls is part of jazzband.
+
 * Add support for cockroachdb.
-* Add support for the official MSSQL connector.
+* Add support for the offical MSSQL connector.
 * Update License to be compatible with Jazzband.
 * Remove support for Python < 3.5 including Python 2.7
 * Update source code to Black format.
 * Update CI using pre-commit
 
 ## v0.5.0 (2018-03-01)
+
 - Use str port for mssql
 - Added license
 - Add mssql to readme
@@ -83,15 +85,17 @@ Initial release of code, dj-database-urls is now part of [Jazzband](https://jazz
 - Added SpatiaLite in README.rst
 
 ## v0.4.1 (2016-04-06)
+
 - Enable CA providing for MySQL URIs
 - Update Readme
 - Update trove classifiers
 - Updated setup.py description
 
 ## v0.4.0 (2016-02-04)
+
 - Update readme
 - Fix for python3
-- Handle search path config in connection url for postgres
+- Handle search path config in connect url for postgres
 - Add tox config to ease testing against multiple Python versions
 - Simplified the querystring parse logic
 - Cleaned up querystring parsing
@@ -108,25 +112,27 @@ Initial release of code, dj-database-urls is now part of [Jazzband](https://jazz
 - Added support for python mysql-connector
 
 ## v0.3.0 (2014-03-10)
-- Add `.gitignore` file
-- Remove `.pyc` file
-- Remove travis-ci unsupported python versions (Travis CI supports Python versions 2.6, 2.7, 3.2 and 3.3)
+
+- Add .gitignore file
+- Remove .pyc file
+- Remove travis-ci unsupported python version Per docs http://docs.travis-ci.com/user/languages/python/ "Travis CI support Python versions 2.6, 2.7, 3.2 and 3.3"
 - Fix cleardb test
-- Add `setup.cfg` for wheel support
+- Add setup.cfg for wheel support
 - Add trove classifiers for python versions
 - Replace Python 3.1 with Python 3.3
 - Add MySQL (GIS) support
 - Ability to set different engine
 
 ## v0.2.2 (2013-07-17)
+
 - Added spatialite to uses_netloc too
 - Added spatialite backend
 - Replacing tab with spaces
-- Handling special case of `sqlite://:memory:`
+- Handling special case of sqlite://:memory:
 - Empty sqlite path will now use a :memory: database
 - Fixing test to actually use the result of the parse
 - Adding in tests to ensure sqlite in-memory databases work
-- Fixed a too-short title underline
+- Fixed too-short title underline
 - Added :target: attribute to Travis status image in README
 - Added docs for default argument to config
 - Add "pgsql" as a PostgreSQL URL scheme.
@@ -134,6 +140,7 @@ Initial release of code, dj-database-urls is now part of [Jazzband](https://jazz
 - fixed url
 
 ## v0.2.1 (2012-06-19)
+
 - Add python3 support
 - Adding travis status and tests
 - Adding test environment variables
@@ -145,23 +152,28 @@ Initial release of code, dj-database-urls is now part of [Jazzband](https://jazz
 - RedHat's OpenShift platform uses the 'postgresql' scheme
 - Registered postgis URL scheme
 - Added `postgis://` url scheme
-- Use `get()` on `os.environ` instead of an `if`.
+- Use get() on os.environ instead of an if
 
 ## v0.2.0 (2012-05-30)
+
 - Fix parse(s)
 
 ## v0.1.4 (2012-05-30)
+
 - Add defaults for env
 - Set the DATABASES dict rather than assigning to it
 
 ## v0.1.3 (2012-05-01)
-- Add a note to README on supported databases
+
+- Add note to README on supported databases
 - Add support for SQLite
 - Clean dependencies
 
 ## v0.1.2 (2012-04-30)
+
 - Update readme
-- Refactor config and use a new parse function
+- Refactor config and use new parse function
 
 ## v0.1.1 (2012-04-30) First release
+
 🐍 ✨

dj_database_url/__init__.py

@@ -1,33 +1,32 @@
 import logging
 import os
 import urllib.parse as urlparse
-from collections.abc import Callable
-from typing import Any, TypedDict
+from typing import Any, Callable, Dict, List, Optional, TypedDict, Union
 
 DEFAULT_ENV = "DATABASE_URL"
-ENGINE_SCHEMES: dict[str, "Engine"] = {}
+ENGINE_SCHEMES: Dict[str, "Engine"] = {}
 
 
 # From https://docs.djangoproject.com/en/stable/ref/settings/#databases
 class DBConfig(TypedDict, total=False):
     ATOMIC_REQUESTS: bool
     AUTOCOMMIT: bool
-    CONN_MAX_AGE: int | None
+    CONN_MAX_AGE: Optional[int]
     CONN_HEALTH_CHECKS: bool
     DISABLE_SERVER_SIDE_CURSORS: bool
     ENGINE: str
     HOST: str
     NAME: str
-    OPTIONS: dict[str, Any]
+    OPTIONS: Dict[str, Any]
     PASSWORD: str
-    PORT: str | int
-    TEST: dict[str, Any]
+    PORT: Union[str, int]
+    TEST: Dict[str, Any]
     TIME_ZONE: str
     USER: str
 
 
 PostprocessCallable = Callable[[DBConfig], None]
-OptionType = int | str | bool
+OptionType = Union[int, str, bool]
 
 
 class ParseError(ValueError):
@@ -39,7 +38,7 @@ class ParseError(ValueError):
 
 
 class UnknownSchemeError(ValueError):
-    def __init__(self, scheme: str):
+    def __init__(self, scheme: str) -> None:
         self.scheme = scheme
 
     def __str__(self) -> str:
@@ -60,7 +59,7 @@ class Engine:
         self,
         backend: str,
         postprocess: PostprocessCallable = default_postprocess,
-    ):
+    ) -> None:
         self.backend = backend
         self.postprocess = postprocess
 
@@ -126,13 +125,13 @@ def apply_current_schema(parsed_config: DBConfig) -> None:
 
 def config(
     env: str = DEFAULT_ENV,
-    default: str | None = None,
-    engine: str | None = None,
-    conn_max_age: int | None = 0,
+    default: Optional[str] = None,
+    engine: Optional[str] = None,
+    conn_max_age: int = 0,
     conn_health_checks: bool = False,
     disable_server_side_cursors: bool = False,
     ssl_require: bool = False,
-    test_options: dict[str, Any] | None = None,
+    test_options: Optional[Dict[str, Any]] = None,
 ) -> DBConfig:
     """Returns configured DATABASE dictionary from DATABASE_URL."""
     s = os.environ.get(env, default)
@@ -158,12 +157,12 @@ def config(
 
 def parse(
     url: str,
-    engine: str | None = None,
-    conn_max_age: int | None = 0,
+    engine: Optional[str] = None,
+    conn_max_age: int = 0,
     conn_health_checks: bool = False,
     disable_server_side_cursors: bool = False,
     ssl_require: bool = False,
-    test_options: dict[str, Any] | None = None,
+    test_options: Optional[Dict[str, Any]] = None,
 ) -> DBConfig:
     """Parses a database URL and returns configured DATABASE dictionary."""
     settings = _convert_to_settings(
@@ -217,7 +216,7 @@ def parse(
     return parsed_config
 
 
-def _parse_option_values(values: list[str]) -> OptionType | list[OptionType]:
+def _parse_option_values(values: List[str]) -> Union[OptionType, List[OptionType]]:
     parsed_values = [_parse_value(v) for v in values]
     return parsed_values[0] if len(parsed_values) == 1 else parsed_values
 
@@ -231,12 +230,12 @@ def _parse_value(value: str) -> OptionType:
 
 
 def _convert_to_settings(
-    engine: str | None,
-    conn_max_age: int | None,
+    engine: Optional[str],
+    conn_max_age: int,
     conn_health_checks: bool,
     disable_server_side_cursors: bool,
     ssl_require: bool,
-    test_options: dict[str, Any] | None,
+    test_options: Optional[dict[str, Any]],
 ) -> DBConfig:
     settings: DBConfig = {
         "CONN_MAX_AGE": conn_max_age,

pyproject.toml

@@ -1,61 +1,5 @@
-[project]
-name = "dj-database-url"
-version = "0.0.0"
-description = "Use Database URLs in your Django Application."
-authors = [
-    { name = "Jazzband community" }
-]
-readme = "README.rst"
-requires-python = ">=3.10"
-license = "BSD-3-Clause"
-license-files = ["LICENSE"]
-dependencies = [
-    "django>=4.2",
-]
-classifiers = [
-    "Environment :: Web Environment",
-    "Framework :: Django",
-    "Framework :: Django :: 4.2",
-    "Framework :: Django :: 5.2",
-    "Framework :: Django :: 6",
-    "Intended Audience :: Developers",
-    "License :: OSI Approved :: BSD License",
-    "Operating System :: OS Independent",
-    "Programming Language :: Python",
-    "Topic :: Internet :: WWW/HTTP :: Dynamic Content",
-    "Topic :: Software Development :: Libraries :: Python Modules",
-    "Programming Language :: Python",
-    "Programming Language :: Python :: 3",
-    "Programming Language :: Python :: 3.10",
-    "Programming Language :: Python :: 3.11",
-    "Programming Language :: Python :: 3.12",
-    "Programming Language :: Python :: 3.13",
-    "Programming Language :: Python :: 3.14",
-]
-
-[project.urls]
-Homepage = "https://jazzband.co/projects/dj-database-url"
-Changelog = "https://github.com/jazzband/dj-database-url/blob/master/CHANGELOG.md"
-Funding = "https://psfmember.org/civicrm/contribute/transact/?reset=1&id=34"
-Bug = "https://github.com/jazzband/dj-database-url/issues"
-
-[build-system]
-requires = ["uv_build>=0.9.17,<0.10.0"]
-build-backend = "uv_build"
-
-[tool.uv.build-backend]
-module-name = "dj_database_url"
-module-root = ""
-source-include = ["dj_database_url/py.typed", "tests/**"]
-
-[tool.ruff]
-line-length = 88
-
-[tool.ruff.lint]
-extend-select = ["B", "I"]
-
-[tool.ruff.format]
-quote-style = "preserve"
+[tool.black]
+skip-string-normalization = 1
 
 [tool.mypy]
 show_error_codes=true
@@ -65,15 +9,3 @@ warn_redundant_casts=true
 
 [tool.pyright]
 typeCheckingMode = "strict"
-
-[dependency-groups]
-dev = [
-    "coverage>=7.13.0",
-    "mypy>=1.19.1",
-    "pyright>=1.1.407",
-    "pytest>=9.0.2",
-    "ruff>=0.14.10",
-    "setuptools>=80.9.0",
-    "twine>=6.2.0",
-    "wheel>=0.45.1",
-]

requirements.txt

@@ -0,0 +1,3 @@
+coverage
+mypy
+pyright

setup.py

@@ -0,0 +1,50 @@
+from pathlib import Path
+
+from setuptools import setup  # pyright: ignore[reportUnknownVariableType]
+
+readme = Path("README.rst").read_text()
+
+setup(
+    name="dj-database-url",
+    version="3.0.1",
+    url="https://github.com/jazzband/dj-database-url",
+    license="BSD",
+    author="Original Author: Kenneth Reitz, Maintained by: JazzBand Community",
+    description="Use Database URLs in your Django Application.",
+    long_description=readme,
+    long_description_content_type="text/x-rst",
+    packages=["dj_database_url"],
+    install_requires=["Django>=4.2"],
+    include_package_data=True,
+    package_data={
+        "dj_database_url": ["py.typed"],
+    },
+    platforms="any",
+    project_urls={
+        "GitHub": "https://github.com/jazzband/dj-database-url/",
+        "Release log": (
+            "https://github.com/jazzband/dj-database-url/blob/master/CHANGELOG.md"
+        ),
+    },
+    classifiers=[
+        "Environment :: Web Environment",
+        "Framework :: Django",
+        "Framework :: Django :: 4.2",
+        "Framework :: Django :: 5.0",
+        "Framework :: Django :: 5.1",
+        "Framework :: Django :: 5.2",
+        "Intended Audience :: Developers",
+        "License :: OSI Approved :: BSD License",
+        "Operating System :: OS Independent",
+        "Programming Language :: Python",
+        "Topic :: Internet :: WWW/HTTP :: Dynamic Content",
+        "Topic :: Software Development :: Libraries :: Python Modules",
+        "Programming Language :: Python",
+        "Programming Language :: Python :: 3",
+        "Programming Language :: Python :: 3.10",
+        "Programming Language :: Python :: 3.11",
+        "Programming Language :: Python :: 3.12",
+        "Programming Language :: Python :: 3.13",
+        "Programming Language :: Python :: 3.14",
+    ],
+)

tests/test_dj_database_url.py

@@ -266,8 +266,8 @@ class DatabaseTestSuite(unittest.TestCase):
 
         assert url["CONN_MAX_AGE"] == conn_max_age
 
-    def test_config_conn_max_age_setting_none(self) -> None:
-        conn_max_age = None
+    def test_config_conn_max_age_setting(self) -> None:
+        conn_max_age = 600
         with mock.patch.dict(
             os.environ,
             {
@@ -680,9 +680,9 @@ class DatabaseTestSuite(unittest.TestCase):
     def test_options_int_values(self) -> None:
         """Ensure that options with integer values are parsed correctly."""
         url = dj_database_url.parse(
-            "mysql://user:pw@127.0.0.1:15036/db?connect_timeout=3"
+            "mysql://user:pw@127.0.0.1:15036/db?connect_timout=3"
         )
-        assert url["OPTIONS"] == {'connect_timeout': 3}
+        assert url["OPTIONS"] == {'connect_timout': 3}
 
     @mock.patch.dict(
         os.environ,