text: """Read settings from config.yaml."""
  
  
  def read_file(filename):
      """Local file reader function."""
      import yaml
  
      with open(filename) as f:
          return yaml.safe_load(f)
  
  
  def get(group, param):
      """
      Return specified configuration parameters.
  
      :arg group: Setting category
      :type group: str
      :arg param: Setting name
      :type param: str
      """
      data_map = read_file('config.yaml')
  
      return data_map[group][param]
  
  
  def db_list():
      """Return names of all external queryable database resources."""
      data_map = read_file('config.yaml')
  
      return data_map['run_list']
  