Add NMT method to translate with TN/ITN pre/post-processing

[MaximumEntropy]

What does this PR do ?

Adds a method to NMT to apply ITN/TN before/after translating text.

Collection: NLP

Changelog

• Adds an itn_translate_tn method to mt_enc_dec_model.

Usage

inverse_normalizer = InverseNormalizer(lang="en")
normalizer = Normalizer(input_case="cased", lang="de")
translation_model.itn_translate_tn(["this is a sentence"], "en", "de", inverse_normalizer=inverse_normalizer, normalizer=normalizer)

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• New Feature
• Bugfix
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Additional Information

• Related to # (issue)

[aklife97]

LGTM, thanks for adding this!