docs(cc): add py_extension to doc generation and update versionadded markup

docs/BUILD.bazel

@@ -128,6 +128,7 @@ sphinx_stardocs(
         "//python/api:rule_builders",
         "//python/cc:py_cc_toolchain",
         "//python/cc:py_cc_toolchain_info",
+        "//python/cc:py_extension",
         "//python/entry_points:py_console_script_binary",
         "//python/extensions:config",
         "//python/extensions:python",

python/cc/py_extension.bzl

@@ -10,6 +10,9 @@ for information on writing C extension modules.
 
 :::{include} /_includes/experimental_api.md
 :::
+
+:::{versionadded} VERSION_NEXT_FEATURE
+:::
 """
 
 load(

python/private/cc/BUILD.bazel

@@ -43,6 +43,7 @@ bzl_library(
     srcs = ["py_extension_macro.bzl"],
     deps = [
         ":py_extension_rule",
+        "//python/private:common_labels",
         "//python/private:util",
         "@rules_cc//cc:core_rules",
     ],
@@ -55,11 +56,11 @@ bzl_library(
         "//python/private:attr_builders",
         "//python/private:attributes",
         "//python/private:builders",
+        "//python/private:common",
         "//python/private:py_info",
         "//python/private:reexports",
         "//python/private:rule_builders",
         "//python/private:toolchain_types",
         "@bazel_skylib//lib:dicts",
-        "@rules_cc//cc/common",
     ],
 )

python/private/cc/py_extension_macro.bzl

@@ -53,6 +53,9 @@ def py_extension(
     - `module_name`: Pass `module_name = "custom_name"` to override the base
       module filename.
 
+    :::{versionadded} VERSION_NEXT_FEATURE
+    :::
+
     Args:
         name: {type}`str` Target name.
         srcs: {type}`list[Label | str] | None` C/C++ source files to compile

python/private/cc/py_extension_rule.bzl

@@ -5,7 +5,6 @@
 """
 
 load("@bazel_skylib//lib:dicts.bzl", "dicts")
-load("@rules_cc//cc/common:cc_shared_library_info.bzl", "CcSharedLibraryInfo")
 load("//python/private:attr_builders.bzl", "attrb")
 load("//python/private:attributes.bzl", "COMMON_ATTRS", "IMPORTS_ATTRS", "WINDOWS_CONSTRAINTS_ATTRS")
 load("//python/private:builders.bzl", "builders")
@@ -78,7 +77,6 @@ PY_EXTENSION_WRAPPER_ATTRS = dicts.add(
         ),
         "src": lambda: attrb.Label(
             mandatory = True,
-            providers = [CcSharedLibraryInfo],
             doc = "The cc_shared_library target to wrap.",
         ),
     },

tests/BUILD.bazel

@@ -22,6 +22,7 @@ build_test(
         "//python:py_test_bzl",
         "//python/cc:py_cc_toolchain_bzl",
         "//python/cc:py_cc_toolchain_info_bzl",
+        "//python/cc:py_extension",
         "//python/entry_points:py_console_script_binary_bzl",
     ],
 )