parameters: (path)
return_statement: return (os.path.getmtime(path), file_index)
docstring: Returns a tuple (modification timestamp, file number) for a path of the
    form event_file_%d.json
docstring_summary: Returns a tuple (modification timestamp, file number) for a path of the
    form event_file_%d.json
docstring_tokens: Returns a tuple ( modification timestamp file number ) for a path of the form event_file_%d . json
function: def get_event_file_sort_key(path):
    '''Returns a tuple (modification timestamp, file number) for a path of the
    form event_file_%d.json'''
  
    m = re.match('^event_file_(\d+).json$', path)
    file_index = int(m.group(1))
    return (os.path.getmtime(path), file_index)
function_tokens: def get_event_file_sort_key ( path ) : m = re . match ( '^event_file_(\d+).json$' , path ) file_index = int ( m . group ( 1 ) ) return ( os . path . getmtime ( path ) , file_index )