Experimental Python 3.15 support

.github/workflows/tests.yml

@@ -17,7 +17,7 @@ concurrency:
 
 env:
     # renovate: datasource=python-version depName=python
-    PYTHON_VERSION: 3.14.2
+    PYTHON_VERSION: 3.15.0
     # renovate: datasource=pypi depName=uv
     UV_VERSION: 0.9.24
 

Dockerfile

@@ -2,7 +2,7 @@
 # * https://github.com/astral-sh/uv-docker-example/blob/main/Dockerfile
 # * https://github.com/wemake-services/wemake-django-template/blob/master/%7B%7Bcookiecutter.project_name%7D%7D/docker/django/Dockerfile
 
-FROM python:3.14.2-slim-trixie@sha256:3955a7dd66ccf92b68d0232f7f86d892eaf75255511dc7e98961bdc990dc6c9b
+FROM python:3.15.0a3-slim-trixie
 
 RUN --mount=type=cache,target=/var/cache/apt --mount=type=cache,target=/var/lib/apt \
     apt update && \
@@ -15,6 +15,11 @@ RUN --mount=type=cache,target=/var/cache/apt --mount=type=cache,target=/var/lib/
         # For development purposes
         just nano
 
+RUN --mount=type=cache,target=/var/cache/apt --mount=type=cache,target=/var/lib/apt \
+    apt install -y --no-install-recommends \
+      # Required for 3.15 build
+      gcc libc6-dev zlib1g-dev libjpeg-dev
+
 ENV PYTHONBREAKPOINT="ipdb.set_trace" \
     PYTHONFAULTHANDLER=1 \
     PYTHONUNBUFFERED=1 \

pyproject.toml

@@ -9,6 +9,7 @@ requires-python = ">=3.14"
 classifiers = [
     "Programming Language :: Python :: 3 :: Only",
     "Programming Language :: Python :: 3.14",
+    "Programming Language :: Python :: 3.15",
 ]
 dependencies = [
     "celery[redis]==5.6.2",
@@ -27,14 +28,16 @@ dependencies = [
     "django-phonenumber-field[phonenumberslite]==8.4.0",
     "django-removals==1.1.6",
     # TODO: Consider moving to dev dependencies
-    "django-watchfiles==1.4.0",
+    # django-watchfiles > watchfiles is not compatible with Python 3.15 yet
+    # "django-watchfiles==1.4.0",
     "djangorestframework==3.16.1",
-    "drf-spectacular==0.29.0",
+    # drf-spectacular > jsonchema > rdps-py is not 3.15 compatible yet
+    # "drf-spectacular==0.29.0",
     "flower==2.0.1",
     "gitpython==3.1.46",
     "gunicorn==23",
     # https://docs.djangoproject.com/en/dev/releases/4.2/#psycopg-3-support
-    "psycopg[binary]==3.3.2",
+    "psycopg==3.3.2",
     "pygments==2.19.2",
     "rich==14.2.0",
     "sentry-sdk==2.49.0",
@@ -66,4 +69,4 @@ required-version = ">=0.8.4"
 [tool.pyproject-fmt]
 indent = 4
 keep_full_version = true
-max_supported_python = "3.14"
+max_supported_python = "3.15"

src/core/settings.py

@@ -70,8 +70,8 @@
     "django_migration_vis",
     # TODO: Consider making "django_watchfiles" dev-only
     # TODO: Add benchmark details - reasoning: https://github.com/adamchainz/django-watchfiles/issues/174
-    "django_watchfiles",
-    "drf_spectacular",
+    # "django_watchfiles",
+    # "drf_spectacular",
     "rest_framework",
 ]