code: def get_repo_url(pypirc, repository):
      
      pypirc = os.path.abspath(os.path.expanduser(pypirc))
      pypi_config = base.PyPIConfig(pypirc)
      repo_config = pypi_config.get_repo_config(repository)
      if repo_config:
          return repo_config.get_clean_url()
      else:
          return base.RepositoryURL(repository)
docs: Fetch the RepositoryURL for a given repository, reading info from pypirc.
  
      Will try to find the repository in the .pypirc, including username/password.
  
      Args:
          pypirc (str): path to the .pypirc config file
          repository (str): URL or alias for the repository
  
      Returns:
          base.RepositoryURL for the repository