Drop support for Python 3.8

Author: jacobtylerwalls

.github/ISSUE_TEMPLATE/BUG-REPORT.yml

@@ -81,11 +81,11 @@ body:
       label: Pylint version
       description: >-
         Please copy and paste the result of `pylint --version` or specify the range of
-        version affected.
+        versions affected.
       placeholder: |
-        pylint 2.9.6
-        astroid 2.6.5
-        Python 3.8.10 (default, Jun  2 2021, 10:49:15) [GCC 9.4.0]
+        pylint 3.3.0
+        astroid 3.3.0
+        Python 3.12.0 (v3.12.0:0fb18b02c8, Oct  2 2023, 09:45:56)
       render: shell
     validations:
       required: true

.github/workflows/primer-test.yaml

@@ -30,7 +30,7 @@ jobs:
     timeout-minutes: 5
     strategy:
       matrix:
-        python-version: [3.8, 3.9, "3.10", "3.11", "3.12"]
+        python-version: [3.9, "3.10", "3.11", "3.12"]
     outputs:
       python-key: ${{ steps.generate-python-key.outputs.key }}
     steps:
@@ -72,7 +72,7 @@ jobs:
     needs: prepare-tests-linux
     strategy:
       matrix:
-        python-version: [3.8, 3.9, "3.10", "3.11", "3.12"]
+        python-version: [3.9, "3.10", "3.11", "3.12"]
     steps:
       - name: Check out code from GitHub
         uses: actions/[email protected]

.github/workflows/primer_run_main.yaml

@@ -29,7 +29,7 @@ jobs:
     timeout-minutes: 45
     strategy:
       matrix:
-        python-version: ["3.8", "3.12"]
+        python-version: ["3.9", "3.12"]
         batches: [4]
         batchIdx: [0, 1, 2, 3]
     steps:

.github/workflows/primer_run_pr.yaml

@@ -38,7 +38,7 @@ jobs:
     timeout-minutes: 45
     strategy:
       matrix:
-        python-version: ["3.8", "3.12"]
+        python-version: ["3.9", "3.12"]
         batches: [4]
         batchIdx: [0, 1, 2, 3]
     steps:
@@ -198,7 +198,7 @@ jobs:
           echo ${{ github.event.pull_request.number }} | tee pr_number.txt
       - name: Upload PR number
         if:
-          startsWith(steps.python.outputs.python-version, '3.8') && matrix.batchIdx == 0
+          startsWith(steps.python.outputs.python-version, '3.9') && matrix.batchIdx == 0
         uses: actions/[email protected]
         with:
           name: pr_number

.github/workflows/tests.yaml

@@ -31,7 +31,7 @@ jobs:
     strategy:
       fail-fast: false
       matrix:
-        python-version: [3.8, 3.9, "3.10", "3.11", "3.12"]
+        python-version: [3.9, "3.10", "3.11", "3.12"]
     outputs:
       python-key: ${{ steps.generate-python-key.outputs.key }}
     steps:
@@ -175,7 +175,7 @@ jobs:
     strategy:
       fail-fast: false
       matrix:
-        python-version: [3.8, 3.9, "3.10", "3.11", "3.12"]
+        python-version: [3.9, "3.10", "3.11", "3.12"]
     steps:
       - name: Set temp directory
         run: echo "TEMP=$env:USERPROFILE\AppData\Local\Temp" >> $env:GITHUB_ENV
@@ -225,7 +225,7 @@ jobs:
       fail-fast: false
       matrix:
         # We only run on the oldest supported version on Mac
-        python-version: [3.8]
+        python-version: [3.9]
     steps:
       - name: Check out code from GitHub
         uses: actions/[email protected]
@@ -269,7 +269,7 @@ jobs:
     strategy:
       fail-fast: false
       matrix:
-        python-version: ["pypy-3.8", "pypy-3.9", "pypy-3.10"]
+        python-version: ["pypy-3.9", "pypy-3.10"]
     steps:
       - name: Check out code from GitHub
         uses: actions/[email protected]

README.rst

@@ -45,7 +45,7 @@ What is Pylint?
 ---------------
 
 Pylint is a `static code analyser`_ for Python 2 or 3. The latest version supports Python
-3.8.0 and above.
+3.9.0 and above.
 
 .. _`static code analyser`: https://en.wikipedia.org/wiki/Static_code_analysis
 

doc/development_guide/contributor_guide/tests/launching_test.rst

@@ -30,7 +30,7 @@ tox
 You can also *optionally* install tox_ and run our tests using the tox_ package, as in::
 
     python -m tox
-    python -m tox -epy38 # for Python 3.8 suite only
+    python -m tox -epy312 # for Python 3.12 suite only
     python -m tox -epylint # for running Pylint over Pylint's codebase
     python -m tox -eformatting # for running formatting checks over Pylint's codebase
 

doc/whatsnew/fragments/9774.other

@@ -0,0 +1,4 @@
+Remove support for launching pylint with Python 3.8.
+Code that supports Python 3.8 can still be linted with the ``--py-version=3.8`` setting.
+
+Refs #9774

pylintrc

@@ -54,7 +54,7 @@ unsafe-load-any-extension=no
 extension-pkg-allow-list=
 
 # Minimum supported python version
-py-version = 3.8.0
+py-version = 3.9.0
 
 # Control the amount of potential inferred values when inferring a single
 # object. This can help the performance when dealing with large functions or

pyproject.toml

@@ -20,7 +20,6 @@ classifiers = [
     "Programming Language :: Python",
     "Programming Language :: Python :: 3",
     "Programming Language :: Python :: 3 :: Only",
-    "Programming Language :: Python :: 3.8",
     "Programming Language :: Python :: 3.9",
     "Programming Language :: Python :: 3.10",
     "Programming Language :: Python :: 3.11",
@@ -32,7 +31,7 @@ classifiers = [
     "Topic :: Software Development :: Testing",
     "Typing :: Typed"
 ]
-requires-python = ">=3.8.0"
+requires-python = ">=3.9.0"
 dependencies    = [
     "dill>=0.2;python_version<'3.11'",
     "dill>=0.3.6;python_version>='3.11'",