diff --git a/python/private/toolchains_repo.bzl b/python/private/toolchains_repo.bzl
index 0c468bf01..0f5db3e8c 100644
--- a/python/private/toolchains_repo.bzl
+++ b/python/private/toolchains_repo.bzl
@@ -23,46 +23,13 @@ alias repository with only the toolchain attribute pointing into the
 platform-specific repositories.
 """
 
-MACOS_NAME = "mac os"
-LINUX_NAME = "linux"
-WINDOWS_NAME = "windows"
-
-PLATFORMS = {
-    "aarch64-apple-darwin": struct(
-        compatible_with = [
-            "@platforms//os:macos",
-            "@platforms//cpu:aarch64",
-        ],
-        os_name = MACOS_NAME,
-        # Matches the value returned from:
-        # repository_ctx.execute(["uname", "-m"]).stdout.strip()
-        arch = "arm64",
-    ),
-    "x86_64-apple-darwin": struct(
-        compatible_with = [
-            "@platforms//os:macos",
-            "@platforms//cpu:x86_64",
-        ],
-        os_name = MACOS_NAME,
-        arch = "x86_64",
-    ),
-    "x86_64-pc-windows-msvc": struct(
-        compatible_with = [
-            "@platforms//os:windows",
-            "@platforms//cpu:x86_64",
-        ],
-        os_name = WINDOWS_NAME,
-        arch = "x86_64",
-    ),
-    "x86_64-unknown-linux-gnu": struct(
-        compatible_with = [
-            "@platforms//os:linux",
-            "@platforms//cpu:x86_64",
-        ],
-        os_name = LINUX_NAME,
-        arch = "x86_64",
-    ),
-}
+load(
+    "//python:versions.bzl",
+    "PLATFORMS",
+    "MACOS_NAME",
+    "LINUX_NAME",
+    "WINDOWS_NAME",
+)
 
 def _toolchains_repo_impl(rctx):
     build_content = """\
diff --git a/python/repositories.bzl b/python/repositories.bzl
index 65121f3ce..8b2e3cf05 100644
--- a/python/repositories.bzl
+++ b/python/repositories.bzl
@@ -17,10 +17,11 @@
 For historic reasons, pip_repositories() is defined in //python:pip.bzl.
 """
 
-load("//python/private:toolchains_repo.bzl", "PLATFORMS", "host_os_alias", "toolchains_repo")
+load("//python/private:toolchains_repo.bzl", "host_os_alias", "toolchains_repo")
 load(
     ":versions.bzl",
     "MINOR_MAPPING",
+    "PLATFORMS",
     "TOOL_VERSIONS",
     "get_release_url",
 )
diff --git a/python/tests/toolchains/BUILD.bazel b/python/tests/toolchains/BUILD.bazel
index bb640fe41..2f804a4ca 100644
--- a/python/tests/toolchains/BUILD.bazel
+++ b/python/tests/toolchains/BUILD.bazel
@@ -12,13 +12,9 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 
-load("//python:versions.bzl", "TOOL_VERSIONS")
-load(":defs.bzl", "acceptance_test")
+load(":defs.bzl", "acceptance_tests")
 load(":versions_test.bzl", "versions_test_suite")
 
 versions_test_suite(name = "versions_test")
 
-[acceptance_test(
-    name = "python_{}_test".format(python_version.replace(".", "_")),
-    python_version = python_version,
-) for python_version in TOOL_VERSIONS.keys()]
+acceptance_tests()
diff --git a/python/tests/toolchains/defs.bzl b/python/tests/toolchains/defs.bzl
index b832dd87b..bd7704bbf 100644
--- a/python/tests/toolchains/defs.bzl
+++ b/python/tests/toolchains/defs.bzl
@@ -15,6 +15,8 @@
 """This module contains the definition for the toolchains testing rules.
 """
 
+load("//python:versions.bzl", "PLATFORMS", "TOOL_VERSIONS")
+
 def _acceptance_test_impl(ctx):
     workspace = ctx.actions.declare_file("/".join([ctx.attr.python_version, "WORKSPACE"]))
     ctx.actions.expand_template(
@@ -57,8 +59,8 @@ def _acceptance_test_impl(ctx):
 
     executable = ctx.actions.declare_file("run_test_{}.sh".format(ctx.attr.python_version))
     ctx.actions.write(
-        output=executable,
-        content="""\
+        output = executable,
+        content = """\
 #!/bin/bash
 
 exec "{interpreter_path}" "{run_acceptance_test_py}"
@@ -66,7 +68,7 @@ exec "{interpreter_path}" "{run_acceptance_test_py}"
             interpreter_path = interpreter_path,
             run_acceptance_test_py = run_acceptance_test_py.short_path,
         ),
-        is_executable=True,
+        is_executable = True,
     )
 
     files = [
@@ -117,3 +119,20 @@ def acceptance_test(python_version, **kwargs):
         test_location = native.package_name(),
         **kwargs
     )
+
+# buildifier: disable=unnamed-macro
+def acceptance_tests():
+    """Creates a matrix of acceptance_test targets for all the toolchains.
+    """
+    for python_version in TOOL_VERSIONS.keys():
+        for platform, meta in PLATFORMS.items():
+            if platform not in TOOL_VERSIONS[python_version]["sha256"]:
+                continue
+            acceptance_test(
+                name = "python_{python_version}_{platform}_test".format(
+                    python_version = python_version.replace(".", "_"),
+                    platform = platform,
+                ),
+                python_version = python_version,
+                target_compatible_with = meta.compatible_with,
+            )
diff --git a/python/versions.bzl b/python/versions.bzl
index 353c011ae..a61527cc1 100644
--- a/python/versions.bzl
+++ b/python/versions.bzl
@@ -15,13 +15,17 @@
 """The Python versions we use for the toolchains.
 """
 
+MACOS_NAME = "mac os"
+LINUX_NAME = "linux"
+WINDOWS_NAME = "windows"
+
 _RELEASE_BASE_URL = "https://github.com/indygreg/python-build-standalone/releases/download"
 
 def get_release_url(platform, python_version):
     release_filename = TOOL_VERSIONS[python_version]["url"].format(
         platform = platform,
         python_version = python_version,
-        build = "static-install_only" if ("windows" in platform) else "install_only",
+        build = "static-install_only" if (WINDOWS_NAME in platform) else "install_only",
     )
     url = "/".join([_RELEASE_BASE_URL, release_filename])
     return (release_filename, url)
@@ -74,6 +78,43 @@ MINOR_MAPPING = {
     "3.10": "3.10.2",
 }
 
+PLATFORMS = {
+    "aarch64-apple-darwin": struct(
+        compatible_with = [
+            "@platforms//os:macos",
+            "@platforms//cpu:aarch64",
+        ],
+        os_name = MACOS_NAME,
+        # Matches the value returned from:
+        # repository_ctx.execute(["uname", "-m"]).stdout.strip()
+        arch = "arm64",
+    ),
+    "x86_64-apple-darwin": struct(
+        compatible_with = [
+            "@platforms//os:macos",
+            "@platforms//cpu:x86_64",
+        ],
+        os_name = MACOS_NAME,
+        arch = "x86_64",
+    ),
+    "x86_64-pc-windows-msvc": struct(
+        compatible_with = [
+            "@platforms//os:windows",
+            "@platforms//cpu:x86_64",
+        ],
+        os_name = WINDOWS_NAME,
+        arch = "x86_64",
+    ),
+    "x86_64-unknown-linux-gnu": struct(
+        compatible_with = [
+            "@platforms//os:linux",
+            "@platforms//cpu:x86_64",
+        ],
+        os_name = LINUX_NAME,
+        arch = "x86_64",
+    ),
+}
+
 def print_toolchains_checksums(name):
     native.genrule(
         name = name,