Content handler for python.

mojo/public/python/BUILD.gn

 # Copyright 2014 The Chromium Authors. All rights reserved.
 # Use of this source code is governed by a BSD-style license that can be
 # found in the LICENSE file.
 
 import("//third_party/cython/rules.gni")
+import("rules.gni")
 
 group("python") {
   deps = [
     ":base",
     ":bindings",
     ":system",
     ":system_impl",
   ]
 }
 
@@ skipping 86 matching lines @@
     "mojo/bindings/serialization.py",
   ]
   outputs = [
     "$root_out_dir/python/mojo/bindings/{{source_file_part}}",
   ]
   deps = [
     ":base",
     ":system",
   ]
 }
+
+python_package("packaged_bindings") {
+  sources = [
+    "mojo/__init__.py",
+    "mojo/bindings/__init__.py",
+    "mojo/bindings/descriptor.py",
+    "mojo/bindings/messaging.py",
+    "mojo/bindings/promise.py",
+    "mojo/bindings/reflection.py",
+    "mojo/bindings/serialization.py",
+  ]
+}