mojo: Start generating structs for python bindings

mojo/public/tools/bindings/generators/mojom_python_generator.py

 # 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.
 
 """Generates Python source files from a mojom.Module."""
 
 import re
 from itertools import ifilter
 
 import mojom.generate.generator as generator
@@ skipping 17 matching lines @@
   uccc = UpperCamelCase(name)
   return uccc[0].lower() + uccc[1:]
 
 def ConstantStyle(name):
   components = NameToComponent(name)
   if components[0] == 'k':
     components = components[1:]
   return '_'.join([x.upper() for x in components])
 
 def GetNameForElement(element):
+  if (mojom.IsEnumKind(element) or mojom.IsInterfaceKind(element) or
+      mojom.IsStructKind(element)):
+    return UpperCamelCase(element.name)
   if isinstance(element, mojom.EnumValue):
     return (GetNameForElement(element.enum) + '.' +
             ConstantStyle(element.name))
   if isinstance(element, (mojom.NamedValue,
                           mojom.Constant)):
     return ConstantStyle(element.name)
   raise Exception('Unexpected element: ' % element)
 
 def ExpressionToText(token):
   if isinstance(token, (mojom.EnumValue, mojom.NamedValue)):
@@ skipping 74 matching lines @@
     'expression_to_text': ExpressionToText,
     'name': GetNameForElement,
   }
 
   @UseJinja('python_templates/module.py.tmpl', filters=python_filters)
   def GeneratePythonModule(self):
     return {
       'imports': self.GetImports(),
       'enums': self.module.enums,
       'module': ComputeConstantValues(self.module),
+      'structs': self.GetStructs(),
     }
 
   def GenerateFiles(self, args):
     self.Write(self.GeneratePythonModule(),
                '%s.py' % self.module.name.replace('.mojom', '_mojom'))
 
   def GetImports(self):
     for each in self.module.imports:
       each['python_module'] = each['module_name'].replace('.mojom', '_mojom')
     return self.module.imports
 
   def GetJinjaParameters(self):
     return {
       'lstrip_blocks': True,
       'trim_blocks': True,
     }