move the argument addition function outside

Author: aignas

python/uv/private/lock.bzl

@@ -62,6 +62,20 @@ _RunLockInfo = provider(
     },
 )
 
+def _args():
+    run_args = []
+    lock_args = ctx.actions.args()
+
+    def _add_args(arg, maybe_value = None):
+        run_args.append(arg)
+        if maybe_value:
+            lock_args.add(arg, maybe_value)
+            run_args.append(maybe_value)
+        else:
+            lock_args.add(arg)
+
+    return run_args, lock_args, _add_args
+
 def _lock_impl(ctx):
     args = ctx.attr.args
     srcs = ctx.files.srcs
@@ -72,21 +86,12 @@ def _lock_impl(ctx):
 
     py_runtime = ctx.toolchains[TARGET_TOOLCHAIN_TYPE].py3_runtime
 
-    run_args = []
-    lock_args = ctx.actions.args()
+    run_args, lock_args, _add_args = _args()
 
     lock_args.add(uv)
     lock_args.add("pip")
     lock_args.add("compile")
 
-    def _add_args(arg, maybe_value = None):
-        run_args.append(arg)
-        if maybe_value:
-            lock_args.add(arg, maybe_value)
-            run_args.append(maybe_value)
-        else:
-            lock_args.add(arg)
-
     _add_args("--no-python-downloads")
     _add_args("--no-cache")
     _add_args("--custom-compile-command", "bazel run //{}:{}".format(