code: def loaddata(self, path, site=None):
          
          site = site or self.genv.SITE
          r = self.local_renderer
          r.env._loaddata_path = path
          for _site, site_data in self.iter_sites(site=site, no_secure=True):
              try:
                  self.set_db(site=_site)
                  r.env.SITE = _site
                  r.sudo('export SITE={SITE}; export ROLE={ROLE}; '
                      'cd {project_dir}; '
                      '{manage_cmd} loaddata {_loaddata_path}')
              except KeyError:
                  pass
docs: Runs the Dango loaddata management command.
  
          By default, runs on only the current site.
  
          Pass site=all to run on all sites.