based on this table: https://github.com/Helsinki-NLP/Tatoeba-Challenge/blob/master/models/released-models.txt and ISO mappings.
{'hf_name': 'zlw-zlw',
'source_languages': 'zlw',
'target_languages': 'zlw',
'opus_readme_url': 'https://github.com/Helsinki-NLP/Tatoeba-Challenge/tree/master/models/zlw-zlw/README.md',
'original_repo': 'Tatoeba-Challenge',
'tags': ['translation'],
'languages': ['pl', 'cs', 'zlw', 'multilingual_src', 'multilingual_tgt'],
'src_constituents': {'ces', 'csb_Latn', 'dsb', 'hsb', 'pol'},
'tgt_constituents': {'ces', 'csb_Latn', 'dsb', 'hsb', 'pol'},
'prepro': ' normalization + SentencePiece (spm32k,spm32k)',
'url_model': 'https://object.pouta.csc.fi/Tatoeba-MT-models/zlw-zlw/opus-2020-07-27.zip',
'url_test_set': 'https://object.pouta.csc.fi/Tatoeba-MT-models/zlw-zlw/opus-2020-07-27.test.txt',
'src_alpha3': 'zlw',
'tgt_alpha3': 'zlw',
'short_pair': 'zlw-zlw',
'chrF2_score': 0.58,
'bleu': 38.8,
'brevity_penalty': 0.99,
'ref_len': 7792.0,
'src_name': 'West Slavic languages',
'tgt_name': 'West Slavic languages',
'train_date': '2020-07-27',
'src_alpha2': 'zlw',
'tgt_alpha2': 'zlw',
'prefer_old': False,
'long_pair': 'zlw-zlw',
'helsinki_git_sha': '480fcbe0ee1bf4774bcbe6226ad9f58e63f6c535',
'transformers_git_sha': '6bdf998dffa70030e42f512a586f33a15e648edd',
'port_machine': 'brutasse',
'port_time': '2020-08-18-21:36'}