parameters: (self, model_filename, is_text, output_dir,
                                 output_filename)
docstring: draw program from file
docstring_summary: draw program from file
docstring_tokens: draw program from file
function: def draw_from_program_file(self, model_filename, is_text, output_dir,
                                 output_filename):
          """draw program from file"""
          program = utils.load_program(model_filename, is_text)
          utils.graphviz(program.global_block(), output_dir, output_filename)
function_tokens: def draw_from_program_file ( self , model_filename , is_text , output_dir , output_filename ) : program = utils . load_program ( model_filename , is_text ) utils . graphviz ( program . global_block ( ) , output_dir , output_filename )