Add single-models for WMT'19 for hub tutorial

Summary: Pull Request resolved: https://github.com/fairinternal/fairseq-py/pull/800

Differential Revision: D16621509

Pulled By: myleott

fbshipit-source-id: d3e8e97d30bcafbc35c3f67cd8bbc657b6fa5fe7

fairseq/models/transformer.py

@@ -53,10 +53,14 @@ class TransformerModel(FairseqEncoderDecoderModel):
             'transformer.wmt14.en-fr': 'https://dl.fbaipublicfiles.com/fairseq/models/wmt14.en-fr.joined-dict.transformer.tar.bz2',
             'transformer.wmt16.en-de': 'https://dl.fbaipublicfiles.com/fairseq/models/wmt16.en-de.joined-dict.transformer.tar.bz2',
             'transformer.wmt18.en-de': 'https://dl.fbaipublicfiles.com/fairseq/models/wmt18.en-de.ensemble.tar.gz',
-            'transformer.wmt19.en-de': 'https://dl.fbaipublicfiles.com/fairseq/models/wmt19.en-de.joined-dict.ensemble.tar.bz2',
-            'transformer.wmt19.en-ru': 'https://dl.fbaipublicfiles.com/fairseq/models/wmt19.en-ru.ensemble.tar.bz2',
-            'transformer.wmt19.de-en': 'https://dl.fbaipublicfiles.com/fairseq/models/wmt19.de-en.joined-dict.ensemble.tar.bz2',
-            'transformer.wmt19.ru-en': 'https://dl.fbaipublicfiles.com/fairseq/models/wmt19.ru-en.ensemble.tar.bz2',
+            'transformer.wmt19.en-de': 'https://dl.fbaipublicfiles.com/fairseq/models/wmt19.en-de.joined-dict.ensemble.tar.gz',
+            'transformer.wmt19.en-ru': 'https://dl.fbaipublicfiles.com/fairseq/models/wmt19.en-ru.ensemble.tar.gz',
+            'transformer.wmt19.de-en': 'https://dl.fbaipublicfiles.com/fairseq/models/wmt19.de-en.joined-dict.ensemble.tar.gz',
+            'transformer.wmt19.ru-en': 'https://dl.fbaipublicfiles.com/fairseq/models/wmt19.ru-en.ensemble.tar.gz',
+            'transformer.wmt19.en-de.single_model': 'https://dl.fbaipublicfiles.com/fairseq/models/wmt19.en-de.joined-dict.single_model.tar.gz',
+            'transformer.wmt19.en-ru.single_model': 'https://dl.fbaipublicfiles.com/fairseq/models/wmt19.en-ru.single_model.tar.gz',
+            'transformer.wmt19.de-en.single_model': 'https://dl.fbaipublicfiles.com/fairseq/models/wmt19.de-en.joined-dict.single_model.tar.gz',
+            'transformer.wmt19.ru-en.single_model': 'https://dl.fbaipublicfiles.com/fairseq/models/wmt19.ru-en.single_model.tar.gz',
         }
 
     def __init__(self, encoder, decoder):