Resource management library.
get_data_files_path(...): Get a direct path to the data files colocated with the script.
get_path_to_datafile(...): Get the path to the specified file in the data dependencies.
get_root_dir_with_all_resources(...): Get a root directory containing all the data attributes in the build rule.
load_resource(...): Load the resource at given path, where path is relative to tensorflow/.
readahead_file_path(...): Readahead files not implemented; simply returns given path.