chore: docgen

py/BUILD.bazel

@@ -4,7 +4,7 @@ load("@bazel_skylib//rules:common_settings.bzl", "string_flag")
 # For stardoc to reference the files
 exports_files(["defs.bzl"])
 
-# For Bazel 6.x compatibility, since 
+# For Bazel 6.x compatibility, since
 # PyRuntimeInfo shipped only with Bazel 7
 # Users can set, e.g. --@aspect_rules_py//py:interpreter_version=3.9.18
 string_flag(
@@ -31,6 +31,7 @@ bzl_library(
     deps = [
         "//py/private:py_binary",
         "//py/private:py_executable",
+        "//py/private:py_image_layers",
         "//py/private:py_library",
         "//py/private:py_pytest_main",
         "//py/private:py_unpacked_wheel",

py/private/BUILD.bazel

@@ -111,3 +111,10 @@ bzl_library(
     srcs = ["virtual.bzl"],
     visibility = ["//py:__subpackages__"],
 )
+
+bzl_library(
+    name = "py_image_layers",
+    srcs = ["py_image_layers.bzl"],
+    visibility = ["//py:__subpackages__"],
+    deps = ["@aspect_bazel_lib//lib:tar"],
+)

py/private/py_image_layers.bzl

@@ -27,6 +27,7 @@ def py_image_layers(name, binary, interpreter_regex = PY_INTERPRETER_REGEX, site
         binary: a py_binary target
         interpreter_regex: a regular expression for use by `grep` which extracts the interpreter and related files from the binary runfiles tree
         site_packages_regex: a regular expression for use by `grep` which extracts installed packages from the binary runfiles tree
+
     Returns:
         a list of labels for the layers, which are tar files
     """