feat: support python 3.14

.github/workflows/unittest.yml

@@ -11,7 +11,7 @@ jobs:
     runs-on: ubuntu-22.04
     strategy:
       matrix:
-        python: ['3.9', '3.11', '3.12', '3.13']
+        python: ['3.9', '3.11', '3.12', '3.13', '3.14']
     steps:
     - name: Checkout
       uses: actions/checkout@v4

.kokoro/presubmit/prerelease-deps-3.14.cfg

@@ -0,0 +1,7 @@
+# Format: //devtools/kokoro/config/proto/build.proto
+
+# Only run this nox session.
+env_vars: {
+    key: "NOX_SESSION"
+    value: "prerelease_deps-3.14"
+}

.kokoro/presubmit/system-3.14.cfg

@@ -0,0 +1,7 @@
+# Format: //devtools/kokoro/config/proto/build.proto
+
+# Only run this nox session.
+env_vars: {
+    key: "NOX_SESSION"
+    value: "system-3.14"
+}

noxfile.py

@@ -34,7 +34,7 @@
 
 DEFAULT_PYTHON_VERSION = "3.10"
 
-UNIT_TEST_PYTHON_VERSIONS: List[str] = ["3.9", "3.11", "3.12", "3.13"]
+UNIT_TEST_PYTHON_VERSIONS: List[str] = ["3.9", "3.11", "3.12", "3.13", "3.14"]
 UNIT_TEST_STANDARD_DEPENDENCIES = [
     "mock",
     "asyncmock",
@@ -67,9 +67,14 @@
         "bigframes",
         "geopandas",
     ],
+    "3.14": [
+        "bqstorage",
+        "bigframes",
+        "geopandas",
+    ],
 }
 
-SYSTEM_TEST_PYTHON_VERSIONS: List[str] = ["3.9", "3.11", "3.12", "3.13"]
+SYSTEM_TEST_PYTHON_VERSIONS: List[str] = ["3.9", "3.11", "3.12", "3.13", "3.14"]
 SYSTEM_TEST_STANDARD_DEPENDENCIES: List[str] = [
     "mock",
     "pytest",
@@ -99,6 +104,11 @@
         "bigframes",
         "geopandas",
     ],
+    "3.14": [
+        "bqstorage",
+        "bigframes",
+        "geopandas",
+    ],
 }
 
 CURRENT_DIRECTORY = pathlib.Path(__file__).parent.absolute()
@@ -208,7 +218,12 @@ def install_unittest_dependencies(session, *constraints):
 def unit(session, protobuf_implementation):
     # Install all test dependencies, then install this package in-place.
 
-    if protobuf_implementation == "cpp" and session.python in ("3.11", "3.12", "3.13"):
+    if protobuf_implementation == "cpp" and session.python in (
+        "3.11",
+        "3.12",
+        "3.13",
+        "3.14",
+    ):
         session.skip("cpp implementation is not supported in python 3.11+")
 
     constraints_path = str(

setup.py

@@ -52,7 +52,8 @@
         # grpc.Channel.close() method isn't added until 1.32.0.
         # https://github.com/grpc/grpc/pull/15254
         "grpcio >= 1.47.0, < 2.0.0",
-        "grpcio >= 1.49.1, < 2.0.0; python_version>='3.11'",
+        "grpcio >= 1.49.1, < 2.0.0; python_version >= '3.11' and python_version < '3.14'",
+        "grpcio >= 1.75.1, < 2.0.0; python_version >= '3.14'",
     ],
     "bigframes": ["bigframes >= 1.17.0"],
     "geopandas": ["geopandas >= 1.0.1"],
@@ -110,6 +111,7 @@
         "Programming Language :: Python :: 3.11",
         "Programming Language :: Python :: 3.12",
         "Programming Language :: Python :: 3.13",
+        "Programming Language :: Python :: 3.14",
         "Operating System :: OS Independent",
         "Topic :: Internet",
     ],