Merge pull request #25786 from vfdev-5:add-313-ft-configs

PiperOrigin-RevId: 713415451

Author: Google-ML-Automation

WORKSPACE

@@ -13,6 +13,7 @@ python_init_repositories(
         "3.11": "//build:requirements_lock_3_11.txt",
         "3.12": "//build:requirements_lock_3_12.txt",
         "3.13": "//build:requirements_lock_3_13.txt",
+        "3.13-ft": "//build:requirements_lock_3_13_ft.txt",
     },
     local_wheel_inclusion_list = [
         "jaxlib*",

build/build.py

@@ -401,6 +401,11 @@ async def main():
     bazel_command_base.append(
         f"--repo_env=HERMETIC_PYTHON_VERSION={args.python_version}"
     )
+    # Let's interpret X.YY-ft version as free-threading python and set rules_python config flag:
+    if args.python_version.endswith("-ft"):
+      bazel_command_base.append(
+        "--@rules_python//python/config_settings:py_freethreaded='yes'"
+      )
 
   # Enable verbose failures.
   bazel_command_base.append("--verbose_failures=true")