Support Python 3.13

Author: jacobtylerwalls

.github/workflows/primer-test.yaml

@@ -30,7 +30,7 @@ jobs:
     timeout-minutes: 5
     strategy:
       matrix:
-        python-version: [3.9, "3.10", "3.11", "3.12"]
+        python-version: [3.9, "3.10", "3.11", "3.12", "3.13-dev"]
     outputs:
       python-key: ${{ steps.generate-python-key.outputs.key }}
     steps:
@@ -72,7 +72,7 @@ jobs:
     needs: prepare-tests-linux
     strategy:
       matrix:
-        python-version: [3.9, "3.10", "3.11", "3.12"]
+        python-version: [3.9, "3.10", "3.11", "3.12", "3.13-dev"]
     steps:
       - name: Check out code from GitHub
         uses: actions/[email protected]

.github/workflows/tests.yaml

@@ -31,7 +31,7 @@ jobs:
     strategy:
       fail-fast: false
       matrix:
-        python-version: [3.9, "3.10", "3.11", "3.12"]
+        python-version: [3.9, "3.10", "3.11", "3.12", "3.13-dev"]
     outputs:
       python-key: ${{ steps.generate-python-key.outputs.key }}
     steps:
@@ -175,7 +175,7 @@ jobs:
     strategy:
       fail-fast: false
       matrix:
-        python-version: [3.9, "3.10", "3.11", "3.12"]
+        python-version: [3.9, "3.10", "3.11", "3.12", "3.13-dev"]
     steps:
       - name: Set temp directory
         run: echo "TEMP=$env:USERPROFILE\AppData\Local\Temp" >> $env:GITHUB_ENV

doc/whatsnew/fragments/9852.other

@@ -0,0 +1,3 @@
+Add support for Python 3.13.
+
+Refs #9852

pyproject.toml

@@ -24,6 +24,7 @@ classifiers = [
     "Programming Language :: Python :: 3.10",
     "Programming Language :: Python :: 3.11",
     "Programming Language :: Python :: 3.12",
+    "Programming Language :: Python :: 3.13",
     "Programming Language :: Python :: Implementation :: CPython",
     "Programming Language :: Python :: Implementation :: PyPy",
     "Topic :: Software Development :: Debuggers",