Merge pull request #162 from seddonym/drop-py38

Drop support for Python 3.8

.github/workflows/main.yml

@@ -16,7 +16,7 @@ jobs:
     strategy:
       matrix:
         python-version: [
-          "3.8", "3.9", "3.10", "3.11", "3.12", "3.13-dev"
+          "3.9", "3.10", "3.11", "3.12", "3.13-dev"
         ]
         os: [ubuntu-latest, macos-latest, windows-latest]
 

.github/workflows/release.yml

@@ -37,7 +37,6 @@ jobs:
       - uses: actions/setup-python@v5
         with:
           python-version: |
-            3.8
             3.9
             3.10
             3.11
@@ -74,7 +73,6 @@ jobs:
       - uses: actions/setup-python@v5
         with:
           python-version: |
-            3.8
             3.9
             3.10
             3.11
@@ -107,7 +105,6 @@ jobs:
       - uses: actions/setup-python@v5
         with:
           python-version: |
-            3.8
             3.9
             3.10
             3.11
@@ -140,7 +137,6 @@ jobs:
       - uses: actions/setup-python@v5
         with:
           python-version: |
-            3.8
             3.9
             3.10
             3.11

CHANGELOG.rst

@@ -7,6 +7,7 @@ latest
 
 * Added `as_packages` option to the `find_shortest_chains` method.
 * Include 3.13 wheel in release.
+* Drop support for Python 3.8.
 
 3.4.1 (2024-07-12)
 ------------------

pyproject.toml

@@ -14,7 +14,7 @@ description = "Builds a queryable graph of the imports within one or more Python
 authors = [
     {name = "David Seddon", email = "[email protected]"},
 ]
-requires-python = ">=3.8"
+requires-python = ">=3.9"
 dependencies = [
     "typing-extensions>=3.10.0.0",
 ]
@@ -26,7 +26,6 @@ classifiers = [
     "Operating System :: POSIX",
     "Operating System :: Microsoft :: Windows",
     "Programming Language :: Python",
-    "Programming Language :: Python :: 3.8",
     "Programming Language :: Python :: 3.9",
     "Programming Language :: Python :: 3.10",
     "Programming Language :: Python :: 3.11",

src/grimp/adaptors/_layers.py

@@ -127,9 +127,7 @@ class _Link:
 
 
 # A chain of modules, each of which imports the next.
-if TYPE_CHECKING:
-    # TODO: remove TYPE_CHECKING conditional once on Python 3.9.
-    _Chain = tuple[str, ...]
+_Chain = tuple[str, ...]
 
 
 def _generate_module_permutations(

tox.ini

@@ -3,11 +3,10 @@ envlist =
     clean,
     check,
     docs,
-    {py38,py39,py310,py311,py312,py13},
+    {py39,py310,py311,py312,py13},
 
 [testenv]
 basepython =
-    py38: {env:TOXPYTHON:python3.8}
     py39: {env:TOXPYTHON:python3.9}
     py310: {env:TOXPYTHON:python3.10}
     py311: {env:TOXPYTHON:python3.11}
@@ -100,7 +99,6 @@ deps = coverage==6.4.3
 
 [gh-actions]
 python =
-    3.8: py38, report
     3.9: py39, report
     3.10: py310, report
     3.11: py311, report