drop python 3.8

CHANGELOG.md

@@ -1,7 +1,10 @@
 # Changelog
 *`shed` uses [calendar versioning](https://calver.org/), with a year.month.patch scheme.*
 
+#### 2024.10.1 - 2024-04-27
 - Disable `PIE790` fix due to [ruff issue #10538](https://github.com/astral-sh/ruff/issues/10538)
+- [Python 3.8 has reached end-of-life](https://devguide.python.org/versions/),
+  so `shed` targets and runs on Python 3.9 or later.
 
 #### 2024.3.1 - 2024-03-13
 - Replace usage of Autoflake, PyUpgrade and isort with ruff.

README.md

@@ -59,7 +59,7 @@ adding the following to your `.pre-commit-config.yaml`:
 minimum_pre_commit_version: '2.9.0'
 repos:
 - repo: https://github.com/Zac-HD/shed
-  rev: 2024.3.1
+  rev: 2024.10.1
   hooks:
     - id: shed
       # args: [--refactor, --py311-plus]

setup.py

@@ -29,7 +29,7 @@
         "pyupgrade >= 3.15.0",
         "ruff",
     ],
-    python_requires=">=3.8",
+    python_requires=">=3.9",
     classifiers=[
         "Development Status :: 4 - Beta",
         "License :: OSI Approved :: GNU Affero General Public License v3",

src/shed/__init__.py

@@ -12,13 +12,14 @@
 import textwrap
 import warnings
 from operator import attrgetter
-from typing import Any, FrozenSet, Match, Tuple
+from re import Match
+from typing import Any, FrozenSet, Tuple
 
 import black
 from black.mode import TargetVersion
 from black.parsing import lib2to3_parse
 
-__version__ = "2024.4.1"
+__version__ = "2024.10.1"
 __all__ = ["shed", "docshed"]
 
 # Conditionally imported in refactor mode to reduce startup latency in the common case
@@ -28,7 +29,7 @@
 _version_map = {
     k: (int(k.name[2]), int(k.name[3:]))
     for k in TargetVersion
-    if k.value >= TargetVersion.PY38.value
+    if k.value >= TargetVersion.PY39.value
 }
 _default_min_version = min(_version_map.values())
 _SUGGESTIONS = (

src/shed/_cli.py

@@ -59,7 +59,7 @@ def _guess_first_party_modules(cwd: Optional[str] = None) -> FrozenSet[str]:
     )
 
 
-@functools.lru_cache(maxsize=None)
+@functools.cache
 def _should_format(fname: str) -> bool:
     return fname.endswith((".md", ".rst", ".pyi")) or is_python_file(fname)
 

src/shed/_codemods.py

@@ -570,9 +570,6 @@ def _remove_recursive_helper(cls, bool_node):
 
     @leave(m.With())
     def remove_nested_with(self, _, updated_node):
-        if self.min_version < (3, 9):
-            return updated_node
-
         candidate_with: cst.With = updated_node
         compound_items: List[cst.WithItem] = []
         final_body: cst.BaseSuite = candidate_with.body

tests/test_shed.py

@@ -89,7 +89,7 @@ def check(
     return result
 
 
-example_kwargs = {"refactor": True, "provides": frozenset(), "min_version": (3, 8)}
+example_kwargs = {"refactor": True, "provides": frozenset(), "min_version": (3, 9)}
 
 
 @given(

tox.ini

@@ -30,7 +30,7 @@ commands =
 
 [testenv:deps]
 description = Updates test corpora and the pinned dependencies in `deps/*.txt`
-basepython = 3.8
+basepython = 3.9
 deps =
     pip-tools
 commands =
@@ -53,7 +53,7 @@ ignore = D1,E501,W503,S101,S310,SIM105
 exclude = .*/,__pycache__
 
 [mypy]
-python_version = 3.8
+python_version = 3.9
 platform = linux
 disallow_untyped_calls = True
 disallow_untyped_defs = True