⬆️ Add support for Python 3.15 and 3.15t

.github/workflows/test.yml

@@ -28,14 +28,22 @@ jobs:
     strategy:
       matrix:
         os: [ ubuntu-latest, windows-latest, macos-latest ]
-        python-version: [ "3.14" ]
+        python-version: [ "3.14", "3.15", "3.15t" ]
         uv-resolution:
           - highest
         include:
           - os: ubuntu-latest
             python-version: "3.14"
             database: postgres
             database-url: postgresql+psycopg://sqlmodel:sqlmodel@127.0.0.1:15432/sqlmodel_test
+          - os: ubuntu-latest
+            python-version: "3.15"
+            database: postgres
+            database-url: postgresql+psycopg://sqlmodel:sqlmodel@127.0.0.1:15432/sqlmodel_test
+          - os: ubuntu-latest
+            python-version: "3.15t"
+            database: mysql
+            database-url: mysql+pymysql://sqlmodel:sqlmodel@127.0.0.1:13306/sqlmodel_test
           - os: ubuntu-latest
             python-version: "3.10"
             uv-resolution: lowest-direct
@@ -89,7 +97,7 @@ jobs:
         with:
           limit-access-to-actor: true
       - name: Install Dependencies
-        run: uv sync --no-dev --group tests
+        run: uv sync --no-dev --group tests ${{ matrix.database == 'postgres' && '--group tests-postgres' || '' }}
       - name: Start Database
         if: matrix.database
         run: docker compose up --wait --wait-timeout 120 "$DATABASE"

pyproject.toml

@@ -26,6 +26,7 @@ classifiers = [
     "Programming Language :: Python :: 3.12",
     "Programming Language :: Python :: 3.13",
     "Programming Language :: Python :: 3.14",
+    "Programming Language :: Python :: 3.15",
     "Topic :: Database",
     "Topic :: Database :: Database Engines/Servers",
     "Topic :: Internet",
@@ -87,7 +88,6 @@ tests = [
     "fastapi >=0.128.0",
     "httpx >=0.28.1",
     "jinja2 >=3.1.6",
-    "psycopg[binary] >=3.2.10",
     "pymysql[rsa] >=1.1.1",
     "pytest >=7.0.1",
     "pyyaml >=5.3.1",
@@ -97,6 +97,9 @@ tests = [
     "typing-extensions >=4.15.0",
 ]
 
+# Psycopg binary wheels are not available for free-threaded Python.
+tests-postgres = ["psycopg[binary] >=3.2.10"]
+
 [tool.pdm]
 version = { source = "file", path = "sqlmodel/__init__.py" }
 distribution = true
@@ -110,6 +113,8 @@ source-includes = [
 ]
 
 [tool.coverage.run]
+# Dynamic test contexts require the C tracer.
+core = "ctrace"
 parallel = true
 data_file = "coverage/.coverage"
 source = [