code: def list_repos(self, envs=[], query='/repositories/'):
          
          juicer.utils.Log.log_debug(
                  "List Repos In: %s", ", ".join(envs))
  
          repo_lists = {}
          for env in envs:
              repo_lists[env] = []
  
          for env in envs:
              _r = self.connectors[env].get(query)
              if _r.status_code == Constants.PULP_GET_OK:
                  for repo in juicer.utils.load_json_str(_r.content):
                      if re.match(".*-{0}$".format(env), repo['id']):
                          repo_lists[env].append(repo['display_name'])
              else:
                  _r.raise_for_status()
          return repo_lists
docs: List repositories in specified environments