docs: def slurp_properties(source, destination, ignore=[], srckeys=None):
      """Copy properties from *source* (assumed to be a module) to
      *destination* (assumed to be a dict).
  
      *ignore* lists properties that should not be thusly copied.
      *srckeys* is a list of keys to copy, if the source's __all__ is
      untrustworthy.
      """
      if srckeys is None:
          srckeys = source.__all__
      destination.update(dict([(name, getattr(source, name))
                                for name in srckeys
                                  if not (name.startswith('__') or name in ignore)
                              ]))