def _build_repr(self):
    # XXX This is copied from BaseEstimator's get_params
    cls = self.__class__
    init = getattr(cls.__init__, 'deprecated_original', cls.__init__)
    # Ignore varargs, kw and default values and pop self
    init_signature = signature(init)
    # Consider the constructor parameters excluding 'self'
    if init is object.__init__:
        args = []
    else:
        args = sorted([p.name for p in init_signature.parameters.values()
                       if p.name != 'self' and p.kind != p.VAR_KEYWORD])
    class_name = self.__class__.__name__
    params = dict()
    for key in args:
        # We need deprecation warnings to always be on in order to
        # catch deprecated param values.
        # This is set in utils/__init__.py but it gets overwritten
        # when running under python3 somehow.
        warnings.simplefilter("always", DeprecationWarning)
        try:
            with warnings.catch_warnings(record=True) as w:
                value = getattr(self, key, None)
            if len(w) and w[0].category == DeprecationWarning:
                # if the parameter is deprecated, don't show it
                continue
        finally:
            warnings.filters.pop(0)
        params[key] = value

    return '%s(%s)' % (class_name, _pprint(params, offset=len(class_name)))
dataset/ETHPy150Open scikit-learn/scikit-learn/sklearn/model_selection/_split.py/_build_repr/original