reuse constants

Author: aignas

private/BUILD.bazel

@@ -4,7 +4,6 @@ load("@rules_multirun//:defs.bzl", "multirun")
 
 multirun(
     name = "requirements.update",
-    testonly = True,
     commands = [
         "//tools/publish:{}.update".format(r)
         for r in [

python/uv/private/BUILD.bazel

@@ -40,8 +40,10 @@ bzl_library(
     srcs = ["lock.bzl"],
     visibility = ["//python/uv:__subpackages__"],
     deps = [
+        ":toolchain_types_bzl",
         "//python:py_binary_bzl",
         "//python/private:bzlmod_enabled_bzl",
+        "//python/private:toolchain_types_bzl",
         "@bazel_skylib//lib:shell",
         "@bazel_skylib//rules:expand_template",
     ],

python/uv/private/lock.bzl

@@ -45,21 +45,20 @@ load("@bazel_skylib//lib:shell.bzl", "shell")
 load("@bazel_skylib//rules:expand_template.bzl", "expand_template")
 load("//python:py_binary.bzl", "py_binary")
 load("//python/private:bzlmod_enabled.bzl", "BZLMOD_ENABLED")  # buildifier: disable=bzl-visibility
+load("//python/private:toolchain_types.bzl", "TARGET_TOOLCHAIN_TYPE")  # buildifier: disable=bzl-visibility
+load(":toolchain_types.bzl", "UV_TOOLCHAIN_TYPE")
 
 visibility(["//..."])
 
-_uv_toolchain = Label("//python/uv:uv_toolchain_type")
-_py_toolchain = Label("//python:toolchain_type")
-
 _RunLockInfo = provider(
     doc = "",
     fields = {
-        "args": "",
-        "env": "",
-        "py": "",
-        "srcs": "",
-        "template": "",
-        "uv": "",
+        "args": "The args passed to the `uv` by default when running the runnable target.",
+        "env": "The env passed to the execution.",
+        "py": "The python runtime",
+        "srcs": "Source files",
+        "template": "The template to use for the script.",
+        "uv": "The path to the uv binary.",
     },
 )
 
@@ -69,10 +68,10 @@ def _lock_impl(ctx):
     existing_output = ctx.files.existing_output
     output = ctx.actions.declare_file(ctx.label.name + ".out")
 
-    toolchain_info = ctx.toolchains[_uv_toolchain]
+    toolchain_info = ctx.toolchains[UV_TOOLCHAIN_TYPE]
     uv = toolchain_info.uv_toolchain_info.uv[DefaultInfo].files_to_run.executable
 
-    py_runtime = ctx.toolchains[_py_toolchain].py3_runtime
+    py_runtime = ctx.toolchains[TARGET_TOOLCHAIN_TYPE].py3_runtime
 
     cmd = ctx.actions.declare_file(ctx.label.name)
     ctx.actions.expand_template(
@@ -216,8 +215,9 @@ script depending on what the target platform is executed on.
         ),
     },
     toolchains = [
-        _uv_toolchain,
-        _py_toolchain,
+        UV_TOOLCHAIN_TYPE,
+        # FIXME @aignas 2025-03-17: should this be instead EXEC_TOOLCHAIN_TYPE?
+        TARGET_TOOLCHAIN_TYPE,
     ],
 )