docs: def _file_path(self, dirname, filename):
          '''
          Builds an absolute path and creates the directory and file if they don't already exist.
  
          @dirname  - Directory path.
          @filename - File name.
  
          Returns a full path of 'dirname/filename'.
          '''
          if not os.path.exists(dirname):
              try:
                  os.makedirs(dirname)
              except KeyboardInterrupt as e:
                  raise e
              except Exception:
                  pass
  
          fpath = os.path.join(dirname, filename)
  
          if not os.path.exists(fpath):
              try:
                  open(fpath, "w").close()
              except KeyboardInterrupt as e:
                  raise e
              except Exception:
                  pass
  
          return fpath