mojo: Starting generator for python bindings.

mojo/public/tools/bindings/mojom.gni

 # 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.
 
 # Generate C++ and JavaScript source files from mojom files. The output files
 # will go under the generated file directory tree with the same path as each
 # input file.
 #
 # Parameters:
 #
@@ skipping 27 matching lines @@
     "$generator_root/generators/cpp_templates/struct_definition.tmpl",
     "$generator_root/generators/cpp_templates/struct_serialization_declaration.tmpl",
     "$generator_root/generators/cpp_templates/struct_serialization_definition.tmpl",
     "$generator_root/generators/cpp_templates/struct_macros.tmpl",
     "$generator_root/generators/cpp_templates/wrapper_class_declaration.tmpl",
     "$generator_root/generators/cpp_templates/wrapper_class_definition.tmpl",
     "$generator_root/generators/js_templates/enum_definition.tmpl",
     "$generator_root/generators/js_templates/interface_definition.tmpl",
     "$generator_root/generators/js_templates/module.js.tmpl",
     "$generator_root/generators/js_templates/struct_definition.tmpl",
+    "$generator_root/generators/python_templates/module.py.tmpl",
     "$generator_root/generators/mojom_cpp_generator.py",
     "$generator_root/generators/mojom_js_generator.py",
+    "$generator_root/generators/mojom_python_generator.py",
     "$generator_root/pylib/mojom/__init__.py",
     "$generator_root/pylib/mojom/error.py",
     "$generator_root/pylib/mojom/generate/__init__.py",
     "$generator_root/pylib/mojom/generate/data.py",
     "$generator_root/pylib/mojom/generate/generator.py",
     "$generator_root/pylib/mojom/generate/module.py",
     "$generator_root/pylib/mojom/generate/pack.py",
     "$generator_root/pylib/mojom/generate/template_expander.py",
     "$generator_root/pylib/mojom/parse/__init__.py",
     "$generator_root/pylib/mojom/parse/ast.py",
     "$generator_root/pylib/mojom/parse/lexer.py",
     "$generator_root/pylib/mojom/parse/parser.py",
     "$generator_root/pylib/mojom/parse/translate.py",
   ]
   generator_cpp_outputs = [
     "{{source_gen_dir}}/{{source_name_part}}.mojom.cc",
     "{{source_gen_dir}}/{{source_name_part}}.mojom.h",
     "{{source_gen_dir}}/{{source_name_part}}.mojom-internal.h",
   ]
   generator_js_outputs = [
     "{{source_gen_dir}}/{{source_name_part}}.mojom.js",
   ]
+  generator_python_outputs = [
+    "{{source_gen_dir}}/{{source_name_part}}_mojom.py",
+  ]
 
   target_visibility = ":$target_name"
 
   generator_target_name = target_name + "_generator"
   action_foreach(generator_target_name) {
     visibility = target_visibility
     script = generator_script
     inputs = generator_sources
     sources = invoker.sources
-    outputs = generator_cpp_outputs + generator_js_outputs
+    outputs = generator_cpp_outputs +
+              generator_js_outputs +
+              generator_python_outputs
     args = [
       "{{source}}",
       "--use_chromium_bundled_pylibs",
       "-d", rebase_path("//", root_build_dir),
       "-I", rebase_path("//", root_build_dir),
       "-o", "{{source_gen_dir}}",
     ]
   }
 
   source_set(target_name) {
     if (defined(invoker.visibility)) {
       visibility = invoker.visibility
     }
     sources = process_file_template(invoker.sources, generator_cpp_outputs)
     data = process_file_template(invoker.sources, generator_js_outputs)
     deps = [
       ":$generator_target_name",
       "//mojo/public/cpp/bindings",
     ]
     if (defined(invoker.deps)) {
       deps += invoker.deps
     }
   }
 }