def get_cached_resource_size(self, resource_name):
size_data = self.cache.get("<STR_LIT>" % resource_name)<EOL>if size_data is None:<EOL><INDENT>return None<EOL><DEDENT>return json_loads(size_data)<EOL>
meterer.get_cached_resource_size(resource_name) -> dict

Retrieve cached information about the given resource. The resulting
dict has the following structure:
{
    "size": int,                # Size of the resource
    "recorded_time": float,     # Unix timestamp when this was generated
}