Initial code generation for features.

tools/json_schema_compiler/schema_loader.py

Index: tools/json_schema_compiler/schema_loader.py
diff --git a/tools/json_schema_compiler/schema_loader.py b/tools/json_schema_compiler/schema_loader.py
index c434dc167462a26a6e913a28e50d8b9bb79a4126..4638a8c82d794a8dd13873bb0cb0ef4773081574 100644
--- a/tools/json_schema_compiler/schema_loader.py
+++ b/tools/json_schema_compiler/schema_loader.py
@@ -12,8 +12,9 @@ from model import Model
 class SchemaLoader(object):
   '''Resolves a type name into the namespace the type belongs to.
   '''
-  def __init__(self, api_path):
+  def __init__(self, api_path, multiple_schemas=False):
     self._api_path = api_path
+    self._multiple_schemas = multiple_schemas
 
   def ResolveType(self, full_name, default_namespace):
     name_parts = full_name.rsplit('.', 1)
@@ -46,7 +47,7 @@ class SchemaLoader(object):
     else:
       sys.exit('Did not recognize file extension %s for schema %s' %
                (schema_extension, schema))
-    if len(api_defs) != 1:
+    if len(api_defs) != 1 and not self._multiple_schemas:
       sys.exit('File %s has multiple schemas. Files are only allowed to contain'
                'a single schema.' % schema)