Drop support for Python < 3.9, modernize code

.github/workflows/nox.yml

@@ -29,8 +29,8 @@ jobs:
       matrix:
         include:
           - session: test
-            python-versions: "3.8, 3.9, 3.10, 3.11, 3.12, 3.13"
-            other-args: "-p 3.8 3.9 3.10 3.11 3.12 3.13"
+            python-versions: "3.9, 3.10, 3.11, 3.12, 3.13"
+            other-args: ""
             codecov: true
             packages: ""
 
@@ -79,76 +79,3 @@ jobs:
           working-directory: antsibull-docs-parser
         env:
           CODECOV_TOKEN: ${{ secrets.CODECOV_TOKEN }}
-  nox-test-37:
-    # python3.7 is not available on ubuntu-latest
-    runs-on: ubuntu-22.04
-    name: "Run nox test session (Python 3.7)"
-    defaults:
-      run:
-        working-directory: antsibull-docs-parser
-    steps:
-      - name: Check out antsibull-docs-parser
-        uses: actions/checkout@v4
-        with:
-          path: antsibull-docs-parser
-          persist-credentials: false
-      - name: Setup nox
-        uses: wntrblm/[email protected]
-        with:
-          python-versions: "3.7"
-      - name: Set up nox environments
-        run: |
-          nox -v -e "test" -p 3.7 --install-only
-          nox -v -e coverage --install-only
-      - name: "Run nox -e test -p 3.7"
-        run: |
-          nox -v -e "test" -p 3.7 --reuse-existing-virtualenvs --no-install
-      - name: Report coverage
-        run: |
-          nox -v -e coverage --reuse-existing-virtualenvs --no-install
-      - name: Upload coverage
-        uses: codecov/codecov-action@v5
-        with:
-          name: "test"
-          working-directory: antsibull-docs-parser
-        env:
-          CODECOV_TOKEN: ${{ secrets.CODECOV_TOKEN }}
-  nox-test-36:
-    # python3.6 is not available on ubuntu-latest
-    runs-on: ubuntu-20.04
-    name: "Run nox test session (Python 3.6)"
-    defaults:
-      run:
-        working-directory: antsibull-docs-parser
-    steps:
-      - name: Check out antsibull-docs-parser
-        uses: actions/checkout@v4
-        with:
-          path: antsibull-docs-parser
-          persist-credentials: false
-      - name: Setup nox
-        uses: wntrblm/[email protected]  # DO NOT UPDATE THIS! Newer versions do not work with Python 3.6
-        with:
-          python-versions: "3.6"
-      # https://github.com/ansible-community/antsibull-docs-parser/issues/25
-      # Newer virtualenv versions seem to cause failures with Python 3.6
-      - name: Setup nox - downgrade virtualenv
-        run: |
-          pipx inject --force nox 'virtualenv<20.22.0'
-      - name: Set up nox environments
-        run: |
-          nox -v -e test -p 3.6 --install-only
-          nox -v -e coverage --install-only
-      - name: Run unit tests
-        run: |
-          nox -v -e test -p 3.6 --reuse-existing-virtualenvs --no-install
-      - name: Report coverage
-        run: |
-          nox -v -e coverage --reuse-existing-virtualenvs --no-install
-      - name: Upload coverage
-        uses: codecov/codecov-action@v5
-        with:
-          name: nox-test-36
-          working-directory: antsibull-docs-parser
-        env:
-          CODECOV_TOKEN: ${{ secrets.CODECOV_TOKEN }}

changelogs/fragments/68-python.yml

@@ -0,0 +1,2 @@
+removed_features:
+  - "antsibull-docs-parser no longer supports Python 3.6, 3.7, and 3.8. Python 3.9+ is now required (https://github.com/ansible-community/antsibull-docs-parser/pull/68)."

noxfile.py

@@ -33,7 +33,7 @@ def install(session: nox.Session, *args, editable=False, **kwargs):
     session.install(*args, "-U", **kwargs)
 
 
-@nox.session(python=["3.6", "3.7", "3.8", "3.9", "3.10", "3.11", "3.12", "3.13"])
+@nox.session(python=["3.9", "3.10", "3.11", "3.12", "3.13"])
 def test(session: nox.Session):
     install(session, ".[test, coverage]", editable=True)
     covfile = Path(session.create_tmp(), ".coverage")

pyproject.toml

@@ -11,7 +11,7 @@ name = "antsibull-docs-parser"
 dynamic = ["version"]
 description = "Python library for processing Ansible documentation markup"
 readme = "README.md"
-requires-python = ">=3.6.1"
+requires-python = ">=3.9"
 license = "GPL-3.0-or-later AND BSD-2-Clause"
 license-files.globs = ["LICENSES/*.txt"]
 authors = [
@@ -22,13 +22,10 @@ maintainers = [
   { name = "Maxwell G", email = "[email protected]" },
 ]
 classifiers = [
-    "Development Status :: 3 - Alpha",
+    "Development Status :: 5 - Production/Stable",
     "Framework :: Ansible",
     "Intended Audience :: Developers",
     "Programming Language :: Python :: 3",
-    "Programming Language :: Python :: 3.6",
-    "Programming Language :: Python :: 3.7",
-    "Programming Language :: Python :: 3.8",
     "Programming Language :: Python :: 3.9",
     "Programming Language :: Python :: 3.10",
     "Programming Language :: Python :: 3.11",

src/antsibull_docs_parser/__init__.py

@@ -7,6 +7,8 @@
 Library for processing Ansible documentation markup.
 """
 
+from __future__ import annotations
+
 __version__ = "1.1.1.post0"
 
 __all__ = ("__version__",)

src/antsibull_docs_parser/_parser_impl.py

@@ -7,8 +7,9 @@
 Internal parsing code.
 """
 
+from __future__ import annotations
+
 import re
-import typing as t
 
 _ESCAPE_OR_COMMA = re.compile(r"\\(.)| *(,) *")
 _ESCAPE_OR_CLOSING = re.compile(r"\\(.)|([)])")
@@ -19,12 +20,12 @@ def parse_parameters_escaped(
     index: int,
     parameter_count: int,
     strict: bool,
-) -> t.Tuple[t.List[str], int, t.Optional[str]]:
-    result: t.List[str] = []
+) -> tuple[list[str], int, str | None]:
+    result: list[str] = []
     parameters_left = parameter_count
     while parameters_left > 1:
         parameters_left -= 1
-        value: t.List[str] = []
+        value: list[str] = []
         while True:
             match = _ESCAPE_OR_COMMA.search(text, pos=index)
             if not match:
@@ -77,8 +78,8 @@ def parse_parameters_unescaped(
     index: int,
     parameter_count: int,
     strict: bool,  # pylint: disable=unused-argument
-) -> t.Tuple[t.List[str], int, t.Optional[str]]:
-    result: t.List[str] = []
+) -> tuple[list[str], int, str | None]:
+    result: list[str] = []
     first = True
     parameters_left = parameter_count
     while parameters_left > 1:

src/antsibull_docs_parser/ansible_doc_text.py

@@ -7,6 +7,8 @@
 Ansible-doc text serialization.
 """
 
+from __future__ import annotations
+
 import typing as t
 
 from . import dom
@@ -17,7 +19,7 @@
 class AnsibleDocTextFormatter(Formatter):
     @staticmethod
     def _format_option_like(
-        part: t.Union[dom.OptionNamePart, dom.ReturnValuePart],
+        part: dom.OptionNamePart | dom.ReturnValuePart,
     ) -> str:
         value = part.value
         if value is None:
@@ -54,7 +56,7 @@ def format_italic(self, part: dom.ItalicPart) -> str:
     def format_link(self, part: dom.LinkPart) -> str:
         return f"{part.text} <{part.url}>"
 
-    def format_module(self, part: dom.ModulePart, url: t.Optional[str]) -> str:
+    def format_module(self, part: dom.ModulePart, url: str | None) -> str:
         return f"[{part.fqcn}]"
 
     def format_rst_ref(self, part: dom.RSTRefPart) -> str:
@@ -69,18 +71,16 @@ def format_text(self, part: dom.TextPart) -> str:
     def format_env_variable(self, part: dom.EnvVariablePart) -> str:
         return f"`{part.name}'"
 
-    def format_option_name(self, part: dom.OptionNamePart, url: t.Optional[str]) -> str:
+    def format_option_name(self, part: dom.OptionNamePart, url: str | None) -> str:
         return self._format_option_like(part)
 
     def format_option_value(self, part: dom.OptionValuePart) -> str:
         return f"`{part.value}'"
 
-    def format_plugin(self, part: dom.PluginPart, url: t.Optional[str]) -> str:
+    def format_plugin(self, part: dom.PluginPart, url: str | None) -> str:
         return f"[{part.plugin.fqcn}]"
 
-    def format_return_value(
-        self, part: dom.ReturnValuePart, url: t.Optional[str]
-    ) -> str:
+    def format_return_value(self, part: dom.ReturnValuePart, url: str | None) -> str:
         return self._format_option_like(part)
 
 
@@ -90,12 +90,12 @@ def format_return_value(
 def to_ansible_doc_text(
     paragraphs: t.Sequence[dom.Paragraph],
     formatter: Formatter = DEFAULT_ANSIBLE_DOC_FORMATTER,
-    link_provider: t.Optional[LinkProvider] = None,
+    link_provider: LinkProvider | None = None,
     par_start: str = "",
     par_end: str = "",
     par_sep: str = "\n\n",
     par_empty: str = "",
-    current_plugin: t.Optional[dom.PluginIdentifier] = None,
+    current_plugin: dom.PluginIdentifier | None = None,
 ) -> str:
     return _format_paragraphs(
         paragraphs,