[Backport 8.16] Support Python 3.13

.buildkite/Dockerfile

@@ -1,4 +1,4 @@
-ARG PYTHON_VERSION=3.12
+ARG PYTHON_VERSION=3.13
 FROM python:${PYTHON_VERSION}
 
 # Default UID/GID to 1000

.buildkite/pipeline.yml

@@ -1,5 +1,5 @@
 steps:
-  - label: ":elasticsearch: :python: ES Python ({{ matrix.python }}) {{ matrix.nox_session }} "
+  - label: ":elasticsearch: :python: ES Python {{ matrix.python }} {{ matrix.nox_session }} ({{ matrix.connection }})"
     agents:
       provider: "gcp"
     env:
@@ -16,6 +16,7 @@ steps:
           - "3.10"
           - "3.11"
           - "3.12"
+          - "3.13"
         connection:
           - "urllib3"
           - "requests"
@@ -27,7 +28,7 @@ steps:
             connection: "urllib3"
             nox_session: "test_otel"
         - with:
-            python: "3.12"
+            python: "3.13"
             connection: "urllib3"
             nox_session: "test_otel"
     command: ./.buildkite/run-tests

.buildkite/run-tests

@@ -7,7 +7,7 @@
 # Default environment variables
 export STACK_VERSION="${STACK_VERSION:=8.0.0-SNAPSHOT}"
 export TEST_SUITE="${TEST_SUITE:=platinum}"
-export PYTHON_VERSION="${PYTHON_VERSION:=3.9}"
+export PYTHON_VERSION="${PYTHON_VERSION:=3.13}"
 export PYTHON_CONNECTION_CLASS="${PYTHON_CONNECTION_CLASS:=urllib3}"
 
 script_path=$(dirname $(realpath -s $0))
@@ -18,7 +18,7 @@ echo "--- :elasticsearch: Starting Elasticsearch"
 DETACH=true bash $script_path/run-elasticsearch.sh
 
 if [[ -n "$RUNSCRIPTS" ]]; then
-  for RUNSCRIPT in ${RUNSCRIPTS//,/ } ; do
+  for RUNSCRIPT in ${RUNSCRIPTS//,/ }; do
     echo -e "\033[1m>>>>> Running run-$RUNSCRIPT.sh >>>>>>>>>>>>>>>>>>>>>>>>>>>>>\033[0m"
     CONTAINER_NAME=${RUNSCRIPT} \
       DETACH=true \

.github/workflows/ci.yml

@@ -23,7 +23,7 @@ jobs:
     strategy:
       fail-fast: false
       matrix:
-        python-version: ["3.8", "3.9", "3.10", "3.11", "3.12"]
+        python-version: ["3.8", "3.9", "3.10", "3.11", "3.12", "3.13"]
         nox-session: [""]
         runs-on: ["ubuntu-latest"]
 

.readthedocs.yml

@@ -7,7 +7,7 @@ build:
     # to set AIOHTTP_NO_EXTENSIONS to 1 but it has to be done in
     # https://readthedocs.org/dashboard/elasticsearch-py/environmentvariables/
     # because of https://github.com/readthedocs/readthedocs.org/issues/6311
-    python: "3.12"
+    python: "3"
 
 python:
   install:

noxfile.py

@@ -45,14 +45,14 @@ def pytest_argv():
     ]
 
 
-@nox.session(python=["3.8", "3.9", "3.10", "3.11", "3.12"])
+@nox.session(python=["3.8", "3.9", "3.10", "3.11", "3.12", "3.13"])
 def test(session):
     session.install(".[dev]", env=INSTALL_ENV, silent=False)
 
     session.run(*pytest_argv(), *session.posargs)
 
 
-@nox.session(python=["3.8", "3.12"])
+@nox.session(python=["3.8", "3.13"])
 def test_otel(session):
     session.install(
         ".[dev]",

pyproject.toml

@@ -26,6 +26,7 @@ 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",
 ]
@@ -69,7 +70,7 @@ dev = [
     "nox",
     "orjson",
     "numpy",
-    "simsimd",
+    "simsimd ; python_version<'3.13'",
     "pyarrow",
     "pandas",
     "mapbox-vector-tile",

test_elasticsearch/test_server/test_vectorstore/test_vectorstore.py

@@ -899,6 +899,8 @@ def test_max_marginal_relevance_search_errors(
         self, sync_client: Elasticsearch, index: str
     ) -> None:
         """Test max marginal relevance search error conditions."""
+        pytest.importorskip("simsimd")
+
         texts = ["foo", "bar", "baz"]
         vector_field = "vector_field"
         embedding_service = ConsistentFakeEmbeddings()
@@ -940,6 +942,8 @@ def test_max_marginal_relevance_search(
         self, sync_client: Elasticsearch, index: str
     ) -> None:
         """Test max marginal relevance search."""
+        pytest.importorskip("simsimd")
+
         texts = ["foo", "bar", "baz"]
         vector_field = "vector_field"
         text_field = "text_field"