code: def copyfile(src, dest, no_progress_bar=False, name=None):
      
      from dvc.progress import progress
  
      copied = 0
      name = name if name else os.path.basename(dest)
      total = os.stat(src).st_size
  
      if os.path.isdir(dest):
          dest = os.path.join(dest, os.path.basename(src))
  
      with open(src, "rb") as fsrc, open(dest, "wb+") as fdest:
          while True:
              buf = fsrc.read(LOCAL_CHUNK_SIZE)
              if not buf:
                  break
              fdest.write(buf)
              copied += len(buf)
              if not no_progress_bar:
                  progress.update_target(name, copied, total)
  
      if not no_progress_bar:
          progress.finish_target(name)
docs: Copy file with progress bar