torchtext/datasets/iwslt2016.py [188:207]:
- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
    num_lines_set_identifier = {
        'train': 'train',
        'valid': valid_set,
        'test': test_set
    }

    if not isinstance(language_pair, list) and not isinstance(language_pair, tuple):
        raise ValueError("language_pair must be list or tuple but got {} instead".format(type(language_pair)))

    assert (len(language_pair) == 2), 'language_pair must contain only 2 elements: src and tgt language respectively'

    src_language, tgt_language = language_pair[0], language_pair[1]

    if src_language not in SUPPORTED_DATASETS['language_pair']:
        raise ValueError("src_language '{}' is not valid. Supported source languages are {}".
                         format(src_language, list(SUPPORTED_DATASETS['language_pair'])))

    if tgt_language not in SUPPORTED_DATASETS['language_pair'][src_language]:
        raise ValueError("tgt_language '{}' is not valid for give src_language '{}'. Supported target language are {}".
                         format(tgt_language, src_language, SUPPORTED_DATASETS['language_pair'][src_language]))
- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -



torchtext/datasets/iwslt2017.py [161:180]:
- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
    num_lines_set_identifier = {
        'train': 'train',
        'valid': valid_set,
        'test': test_set
    }

    if not isinstance(language_pair, list) and not isinstance(language_pair, tuple):
        raise ValueError("language_pair must be list or tuple but got {} instead".format(type(language_pair)))

    assert (len(language_pair) == 2), 'language_pair must contain only 2 elements: src and tgt language respectively'

    src_language, tgt_language = language_pair[0], language_pair[1]

    if src_language not in SUPPORTED_DATASETS['language_pair']:
        raise ValueError("src_language '{}' is not valid. Supported source languages are {}".
                         format(src_language, list(SUPPORTED_DATASETS['language_pair'])))

    if tgt_language not in SUPPORTED_DATASETS['language_pair'][src_language]:
        raise ValueError("tgt_language '{}' is not valid for give src_language '{}'. Supported target language are {}".
                         format(tgt_language, src_language, SUPPORTED_DATASETS['language_pair'][src_language]))
- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -