⬆️ Drop support for Python 3.9 (#360)

This is EoL next month https://devguide.python.org/versions

Author: chrisjsewell

.github/workflows/benchmark.yml

@@ -11,10 +11,10 @@ jobs:
     steps:
     - uses: actions/checkout@v4
 
-    - name: Set up Python 3.9
+    - name: Set up Python
       uses: actions/setup-python@v5
       with:
-        python-version: 3.9
+        python-version: 3.10
 
     - name: install pandoc
       uses: r-lib/actions/setup-pandoc@v2
@@ -27,7 +27,7 @@ jobs:
         pip install tox
 
     - name: Run package benchmarks
-      run: tox -e py39-bench-packages -- --benchmark-min-rounds 20 --benchmark-json bench-packages.json
+      run: tox -e py310-bench-packages -- --benchmark-min-rounds 20 --benchmark-json bench-packages.json
 
     # - name: Upload package data
     #   uses: actions/upload-artifact@v3

.github/workflows/tests.yml

@@ -20,10 +20,10 @@ jobs:
 
     steps:
     - uses: actions/checkout@v4
-    - name: Set up Python 3.9
+    - name: Set up Python
       uses: actions/setup-python@v5
       with:
-        python-version: '3.9'
+        python-version: '3.10'
     - uses: pre-commit/[email protected]
 
   tests:
@@ -32,7 +32,7 @@ jobs:
     strategy:
       fail-fast: false
       matrix:
-        python-version: ['pypy-3.9', '3.9', '3.10', '3.11', '3.12', '3.13']
+        python-version: ['pypy-3.10', '3.10', '3.11', '3.12', '3.13']
 
     steps:
     - uses: actions/checkout@v4
@@ -49,7 +49,7 @@ jobs:
       run: |
         pytest tests/ --cov=markdown_it --cov-report=xml --cov-report=term-missing
     - name: Upload to Codecov
-      if: matrix.python-version == '3.9' && github.repository == 'executablebooks/markdown-it-py'
+      if: matrix.python-version == '3.10' && github.repository == 'executablebooks/markdown-it-py'
       uses: codecov/codecov-action@v5
       with:
         name: markdown-it-py-pytests
@@ -63,7 +63,7 @@ jobs:
     runs-on: ubuntu-latest
     strategy:
       matrix:
-        python-version: ['3.9']
+        python-version: ['3.10']
     steps:
     - uses: actions/checkout@v4
     - name: Set up Python ${{ matrix.python-version }}
@@ -87,18 +87,18 @@ jobs:
     steps:
     - uses: actions/checkout@v4
 
-    - name: Set up Python 3.9
+    - name: Set up Python
       uses: actions/setup-python@v5
       with:
-        python-version: '3.9'
+        python-version: '3.10'
 
     - name: Install tox
       run: |
         python -m pip install --upgrade pip
         pip install tox
 
     - name: Run benchmark
-      run: tox -e py39-bench-core -- --benchmark-json bench-core.json
+      run: tox -e py310-bench-core -- --benchmark-json bench-core.json
 
     - name: Upload data
       uses: actions/upload-artifact@v4
@@ -116,10 +116,10 @@ jobs:
     steps:
     - name: Checkout source
       uses: actions/checkout@v4
-    - name: Set up Python 3.9
+    - name: Set up Python
       uses: actions/setup-python@v5
       with:
-        python-version: '3.9'
+        python-version: '3.10'
     - name: install flit
       run: |
         pip install flit~=3.4

.readthedocs.yml

@@ -3,7 +3,7 @@ version: 2
 build:
   os: ubuntu-22.04
   tools:
-    python: "3.9"
+    python: "3.10"
 
 python:
   install:

docs/conf.py

@@ -85,7 +85,7 @@
 
 
 intersphinx_mapping = {
-    "python": ("https://docs.python.org/3.9", None),
+    "python": ("https://docs.python.org/3.10", None),
     "mdit-py-plugins": ("https://mdit-py-plugins.readthedocs.io/en/latest/", None),
 }
 

docs/contributing.md

@@ -50,7 +50,7 @@ This can also be used to run benchmarking tests using [pytest-benchmark](https:/
 
 ```shell
 >> cd markdown-it-py
-tox -e py39-bench-packages -- --benchmark-min-rounds 50
+tox -e py310-bench-packages -- --benchmark-min-rounds 50
 ```
 
 For documentation build tests:

markdown_it/_compat.py

@@ -1,11 +1 @@
 from __future__ import annotations
-
-from collections.abc import Mapping
-import sys
-from typing import Any
-
-DATACLASS_KWARGS: Mapping[str, Any]
-if sys.version_info >= (3, 10):
-    DATACLASS_KWARGS = {"slots": True}
-else:
-    DATACLASS_KWARGS = {}

markdown_it/_punycode.py

@@ -21,8 +21,8 @@
 # WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
 
 import codecs
+from collections.abc import Callable
 import re
-from typing import Callable
 
 REGEX_SEPARATORS = re.compile(r"[\x2E\u3002\uFF0E\uFF61]")
 REGEX_NON_ASCII = re.compile(r"[^\0-\x7E]")

markdown_it/parser_block.py

@@ -2,8 +2,9 @@
 
 from __future__ import annotations
 
+from collections.abc import Callable
 import logging
-from typing import TYPE_CHECKING, Callable
+from typing import TYPE_CHECKING
 
 from . import rules_block
 from .ruler import Ruler

markdown_it/parser_core.py

@@ -7,7 +7,7 @@
 
 from __future__ import annotations
 
-from typing import Callable
+from collections.abc import Callable
 
 from .ruler import Ruler
 from .rules_core import (

markdown_it/parser_inline.py

@@ -2,7 +2,8 @@
 
 from __future__ import annotations
 
-from typing import TYPE_CHECKING, Callable
+from collections.abc import Callable
+from typing import TYPE_CHECKING
 
 from . import rules_inline
 from .ruler import Ruler