From 008a9afd3a61e70f8c5549a6adfcd543ab5a9f27 Mon Sep 17 00:00:00 2001
From: Mike Kruskal <mkruskal@google.com>
Date: Wed, 1 Feb 2023 08:04:27 -0800
Subject: [PATCH] Explicitly drop support for python on Windows.

This was already broken, but wasn't caught in tests because `python3` wasn't defined on our windows machines.  To prevent it from breaking the entire downstream Bazel workspace when `python3` exists, we mark it unsupported.

PiperOrigin-RevId: 506318286
---
 bazel/system_python.bzl | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/bazel/system_python.bzl b/bazel/system_python.bzl
index 2979c14dcd..5cb34d5ffd 100644
--- a/bazel/system_python.bzl
+++ b/bazel/system_python.bzl
@@ -195,6 +195,10 @@ def _populate_package(ctx, path, python3, python_version):
         if int(python_version[idx]) < int(v):
             supported = False
             break
+    if "win" in ctx.os.name:
+        # buildifier: disable=print
+        print("WARNING: python is not supported on Windows")
+        supported = False
 
     build_file = _build_file.format(
         interpreter = python3,