Backport support for up to Python 3.9

.github/dependabot.yaml

@@ -1,19 +1,11 @@
-# To get started with Dependabot version updates, you'll need to specify which
-# package ecosystems to update and where the package manifests are located.
-# Please see the documentation for all configuration options:
-# https://docs.github.com/github/administering-a-repository/configuration-options-for-dependency-updates
-
 version: 2
-
 updates:
   - package-ecosystem: "github-actions"
-    # Workflow files stored in the
-    # default location of `.github/workflows`
     directory: "/"
     schedule:
-      interval: "daily"
+      interval: "monthly"
 
-  - package-ecosystem: "pip" # See documentation for possible values
-    directory: "/" # Location of package manifests
+  - package-ecosystem: "pip"
+    directory: "/"
     schedule:
-      interval: "daily"
+      interval: "monthly"

.github/workflows/python-ci.yaml

@@ -8,20 +8,29 @@ on:
 
 jobs:
   pre-commit:
-    uses: darbiadev/.github/.github/workflows/generic-precommit.yaml@main
+    uses: darbiadev/.github/.github/workflows/generic-precommit.yaml@4aa7c64159244d12bf9a39d42da89e80004d4af6 # v1.0.1
 
   lint:
     needs: pre-commit
-    uses: darbiadev/.github/.github/workflows/python-lint.yaml@main
+    uses: darbiadev/.github/.github/workflows/python-lint.yaml@4aa7c64159244d12bf9a39d42da89e80004d4af6 # v1.0.1
 
   test:
     needs: lint
     strategy:
       matrix:
         os: [ ubuntu-latest, windows-latest, macos-latest ]
-        python-version: [ "3.11.4" ]
+        python-version: [ "3.9", "3.10", "3.11" ]
 
-    uses: darbiadev/.github/.github/workflows/python-test.yaml@main
+    uses: darbiadev/.github/.github/workflows/python-test.yaml@4aa7c64159244d12bf9a39d42da89e80004d4af6 # v1.0.1
     with:
       os: ${{ matrix.os }}
       python-version: ${{ matrix.python-version }}
+
+  docs:
+    # Sets permissions of the GITHUB_TOKEN to allow deployment to GitHub Pages
+    permissions:
+      contents: read
+      pages: write
+      id-token: write
+
+    uses: darbiadev/.github/.github/workflows/github-pages-python-sphinx.yaml@4aa7c64159244d12bf9a39d42da89e80004d4af6 # v1.0.1

docs/source/conf.py

@@ -55,8 +55,8 @@
 releases_release_uri = f"{REPO_LINK}/releases/tag/v%s"
 
 
-def linkcode_resolve(domain, info):
-    """linkcode_resolve"""
+def linkcode_resolve(domain: str, info: dict) -> str:
+    """linkcode_resolve."""
     if domain != "py":
         return None
     if not info["module"]:

make.ps1

@@ -1,6 +1,6 @@
 <#
 .SYNOPSIS
-Testing using PowerShell to replace my Makefile
+Makefile
 
 .DESCRIPTION
 USAGE
@@ -52,8 +52,8 @@ function Invoke-Upgrade-Deps
 function Invoke-Lint
 {
     pre-commit run --all-files
-    python -m black src/
-    python -m ruff --fix src/
+    python -m black .
+    python -m ruff --fix .
 }
 
 function Invoke-Test

pyproject.toml

@@ -7,8 +7,9 @@ authors = [
 ]
 license = { text = "MIT" }
 readme = "README.md"
-requires-python = ">=3.11"
+requires-python = ">=3.9"
 dependencies = [
+    "typing-extensions; python_version < '3.11'",
     "requests",
     "xmltodict",
 ]
@@ -48,16 +49,26 @@ requires = ["setuptools", "wheel"]
 build-backend = "setuptools.build_meta"
 
 [tool.black]
-target-version = ["py311"]
+target-version = ["py39"]
 line-length = 120
 
 [tool.ruff]
+target-version = "py39"
+line-length = 120
 select = ["ALL"]
 ignore = [
-  "PLC0414", # (Import alias does not rename original package) - Re-exporting
+    "PLC0414", # (Import alias does not rename original package) - Re-exporting
+]
+
+[tool.ruff.extend-per-file-ignores]
+"docs/*" = [
+    "INP001", # (File `tests/*.py` is part of an implicit namespace package. Add an `__init__.py`.) - Docs are not modules
+    "FA102", # (Missing `from __future__ import annotations`, but uses PEP 585 collection) - Docs are actually built on the latest stable release of Python
+]
+"tests/*" = [
+    "INP001", # (File `tests/*.py` is part of an implicit namespace package. Add an `__init__.py`.) - Tests are not modules
+    "S101", # (Use of `assert` detected) - Yes, that's the point
 ]
-target-version = "py311"
-line-length = 120
 
 [tool.ruff.isort]
 known-first-party = ["letsbuilda.pypi"]

src/letsbuilda/pypi/async_client.py

@@ -1,19 +1,31 @@
 """The async client."""
 
+from __future__ import annotations
+
 from http import HTTPStatus
-from typing import Final, Self
+from typing import TYPE_CHECKING, Final
 
 import xmltodict
 
 try:
-    from aiohttp import ClientSession
+    pass
 except ImportError as error:
     msg = "Please install letsbuilda[async] for async support!"
     raise ImportError(msg) from error
 
 from .exceptions import PackageNotFoundError
 from .models import JSONPackageMetadata, Package, RSSPackageMetadata
 
+if TYPE_CHECKING:
+    import sys
+
+    from aiohttp import ClientSession
+
+    if sys.version_info >= (3, 11):
+        from typing import Self
+    else:
+        from typing_extensions import Self
+
 
 class PyPIServices:
     """A class for interacting with PyPI."""

src/letsbuilda/pypi/exceptions.py

@@ -1,7 +1,16 @@
 """Custom exceptions."""
 
+from __future__ import annotations
 
-from typing import Self
+from typing import TYPE_CHECKING
+
+if TYPE_CHECKING:
+    import sys
+
+    if sys.version_info >= (3, 11):
+        from typing import Self
+    else:
+        from typing_extensions import Self
 
 
 class PackageNotFoundError(Exception):

src/letsbuilda/pypi/models/__init__.py

@@ -3,3 +3,9 @@
 from .models_json import JSONPackageMetadata as JSONPackageMetadata
 from .models_package import Package as Package
 from .models_rss import RSSPackageMetadata as RSSPackageMetadata
+
+__all__ = [
+    "Package",
+    "JSONPackageMetadata",
+    "RSSPackageMetadata",
+]

src/letsbuilda/pypi/models/models_json.py

@@ -1,11 +1,21 @@
 """Models for JSON responses."""
 
+from __future__ import annotations
+
 from dataclasses import dataclass
 from datetime import datetime
-from typing import Self
+from typing import TYPE_CHECKING
+
+if TYPE_CHECKING:
+    import sys
+
+    if sys.version_info >= (3, 11):
+        from typing import Self
+    else:
+        from typing_extensions import Self
 
 
-@dataclass(frozen=True, slots=True)
+@dataclass(frozen=True)
 class Vulnerability:
     """Security vulnerability."""
 
@@ -27,7 +37,7 @@ def from_dict(cls: type[Self], data: dict) -> Self:
         return cls(**data)
 
 
-@dataclass(frozen=True, slots=True)
+@dataclass(frozen=True)
 class Downloads:
     """Release download counts."""
 
@@ -41,7 +51,7 @@ def from_dict(cls: type[Self], data: dict) -> Self:
         return cls(**data)
 
 
-@dataclass(frozen=True, slots=True)
+@dataclass(frozen=True)
 class Digests:
     """URL file digests."""
 
@@ -55,7 +65,7 @@ def from_dict(cls: type[Self], data: dict) -> Self:
         return cls(**data)
 
 
-@dataclass(frozen=True, slots=True)
+@dataclass(frozen=True)
 class URL:
     """Package release URL."""
 
@@ -84,7 +94,7 @@ def from_dict(cls: type[Self], data: dict) -> Self:
         return cls(**data)
 
 
-@dataclass(frozen=True, slots=True)
+@dataclass(frozen=True)
 class Info:
     """Package metadata internal info block."""
 
@@ -121,14 +131,14 @@ def from_dict(cls: type[Self], data: dict) -> Self:
         return cls(**data)
 
 
-@dataclass(frozen=True, slots=True)
+@dataclass(frozen=True)
 class JSONPackageMetadata:
     """Package metadata."""
 
     info: Info
     last_serial: int
     urls: list[URL]
-    vulnerabilities: list["Vulnerability"]
+    vulnerabilities: list[Vulnerability]
 
     @classmethod
     def from_dict(cls: type[Self], data: dict) -> Self:

src/letsbuilda/pypi/models/models_package.py

@@ -1,12 +1,22 @@
 """Models for package metadata."""
 
+from __future__ import annotations
+
 from dataclasses import dataclass
-from typing import Self
+from typing import TYPE_CHECKING
+
+if TYPE_CHECKING:
+    import sys
+
+    from .models_json import URL, JSONPackageMetadata
 
-from .models_json import URL, JSONPackageMetadata
+    if sys.version_info >= (3, 11):
+        from typing import Self
+    else:
+        pass
 
 
-@dataclass(frozen=True, slots=True)
+@dataclass(frozen=True)
 class Distribution:
     """Metadata for a distribution."""
 
@@ -22,7 +32,7 @@ def from_json_api_data(cls: type[Self], data: URL) -> Self:
         )
 
 
-@dataclass(frozen=True, slots=True)
+@dataclass(frozen=True)
 class Release:
     """Metadata for a release."""
 
@@ -38,7 +48,7 @@ def from_json_api_data(cls: type[Self], data: JSONPackageMetadata) -> Self:
         )
 
 
-@dataclass(frozen=True, slots=True)
+@dataclass(frozen=True)
 class Package:
     """Metadata for a package."""
 

src/letsbuilda/pypi/models/models_rss.py

@@ -1,12 +1,22 @@
 """Models for RSS responses."""
 
+from __future__ import annotations
+
 from dataclasses import dataclass
-from datetime import datetime
 from email.utils import parsedate_to_datetime
-from typing import Self
+from typing import TYPE_CHECKING
+
+if TYPE_CHECKING:
+    import sys
+    from datetime import datetime
+
+    if sys.version_info >= (3, 11):
+        from typing import Self
+    else:
+        from typing_extensions import Self
 
 
-@dataclass(frozen=True, slots=True)
+@dataclass(frozen=True)
 class RSSPackageMetadata:
     """RSS Package metadata."""
 
@@ -19,7 +29,7 @@ class RSSPackageMetadata:
     publication_date: datetime
 
     @classmethod
-    def build_from(cls: type[Self], data: dict[str, str]) -> "RSSPackageMetadata":
+    def build_from(cls: type[Self], data: dict[str, str]) -> RSSPackageMetadata:
         """Build an instance from raw data."""
         split_title = data.get("title").removesuffix(" added to PyPI").split()
         title = split_title[0]

src/letsbuilda/pypi/sync_client.py

@@ -1,14 +1,25 @@
 """The sync client."""
 
+from __future__ import annotations
+
 from http import HTTPStatus
-from typing import Final, Self
+from typing import TYPE_CHECKING, Final
 
 import xmltodict
-from requests import Session
 
 from .exceptions import PackageNotFoundError
 from .models import JSONPackageMetadata, Package, RSSPackageMetadata
 
+if TYPE_CHECKING:
+    import sys
+
+    from requests import Session
+
+    if sys.version_info >= (3, 11):
+        from typing import Self
+    else:
+        from typing_extensions import Self
+
 
 class PyPIServices:
     """A class for interacting with PyPI."""