code: def validate_request_file_upload(owner, repo, filepath, md5_checksum=None):
      
      client = get_files_api()
      md5_checksum = md5_checksum or calculate_file_md5(filepath)
  
      with catch_raise_api_exception():
          _, _, headers = client.files_validate_with_http_info(
              owner=owner,
              repo=repo,
              data={"filename": os.path.basename(filepath), "md5_checksum": md5_checksum},
          )
  
      ratelimits.maybe_rate_limit(client, headers)
      return md5_checksum
docs: Validate parameters for requesting a file upload.