Use Python deps from rules_python

Author: mering

bazel/cython_library.bzl

@@ -72,7 +72,10 @@ def pyx_library(name, deps = [], py_deps = [], srcs = [], **kwargs):
         native.cc_binary(
             name = shared_object_name,
             srcs = [stem + ".cpp"],
-            deps = deps + ["@local_config_python//:python_headers"],
+            deps = deps + [
+            "@rules_python//python/cc:current_py_cc_headers",
+            "@rules_python//python/cc:current_py_cc_libs",
+        ],
             defines = defines,
             linkshared = 1,
         )

bazel/grpc_python_deps.bzl

@@ -14,26 +14,18 @@
 """Load dependencies needed to compile and test the grpc python library as a 3rd-party consumer."""
 
 load("@bazel_tools//tools/build_defs/repo:http.bzl", "http_archive")
-load("@com_github_grpc_grpc//third_party/py:python_configure.bzl", "python_configure")
 
 # buildifier: disable=unnamed-macro
 def grpc_python_deps():
     """Loads dependencies for gRPC Python."""
     if "rules_python" not in native.existing_rules():
         http_archive(
             name = "rules_python",
-            sha256 = "9d04041ac92a0985e344235f5d946f71ac543f1b1565f2cdbc9a2aaee8adf55b",
-            strip_prefix = "rules_python-0.26.0",
-            url = "https://github.com/bazelbuild/rules_python/releases/download/0.26.0/rules_python-0.26.0.tar.gz",
+            sha256 = "3b8b4cdc991bc9def8833d118e4c850f1b7498b3d65d5698eea92c3528b8cf2c",
+            strip_prefix = "rules_python-0.30.0",
+            url = "https://github.com/bazelbuild/rules_python/releases/download/0.30.0/rules_python-0.30.0.tar.gz",
         )
 
-    python_configure(name = "local_config_python")
-
-    native.bind(
-        name = "python_headers",
-        actual = "@local_config_python//:python_headers",
-    )
-
     if "cython" not in native.existing_rules():
         http_archive(
             name = "cython",