154 lines
4.4 KiB
Python
Executable File
154 lines
4.4 KiB
Python
Executable File
#!/usr/bin/env python
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# Copyright 2020 The HuggingFace Team. All rights reserved.
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#
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# Licensed under the Apache License, Version 2.0 (the "License");
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# you may not use this file except in compliance with the License.
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# You may obtain a copy of the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS,
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# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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# See the License for the specific language governing permissions and
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# limitations under the License.
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# Usage:
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# ./gen-card-allenai-wmt19.py
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import os
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from pathlib import Path
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def write_model_card(model_card_dir, src_lang, tgt_lang, model_name):
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texts = {
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"en": "Machine learning is great, isn't it?",
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"ru": "Машинное обучение - это здорово, не так ли?",
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"de": "Maschinelles Lernen ist großartig, nicht wahr?",
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}
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# BLUE scores as follows:
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# "pair": [fairseq, transformers]
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scores = {
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"wmt19-de-en-6-6-base": [0, 38.37],
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"wmt19-de-en-6-6-big": [0, 39.90],
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}
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pair = f"{src_lang}-{tgt_lang}"
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readme = f"""
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---
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language:
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- {src_lang}
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- {tgt_lang}
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thumbnail:
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tags:
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- translation
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- wmt19
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- allenai
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license: apache-2.0
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datasets:
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- wmt19
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metrics:
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- bleu
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---
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# FSMT
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## Model description
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This is a ported version of fairseq-based [wmt19 transformer](https://github.com/jungokasai/deep-shallow/) for {src_lang}-{tgt_lang}.
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For more details, please, see [Deep Encoder, Shallow Decoder: Reevaluating the Speed-Quality Tradeoff in Machine Translation](https://arxiv.org/abs/2006.10369).
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2 models are available:
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* [wmt19-de-en-6-6-big](https://huggingface.co/allenai/wmt19-de-en-6-6-big)
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* [wmt19-de-en-6-6-base](https://huggingface.co/allenai/wmt19-de-en-6-6-base)
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## Intended uses & limitations
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#### How to use
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```python
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from transformers import FSMTForConditionalGeneration, FSMTTokenizer
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mname = "allenai/{model_name}"
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tokenizer = FSMTTokenizer.from_pretrained(mname)
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model = FSMTForConditionalGeneration.from_pretrained(mname)
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input = "{texts[src_lang]}"
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input_ids = tokenizer.encode(input, return_tensors="pt")
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outputs = model.generate(input_ids)
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decoded = tokenizer.decode(outputs[0], skip_special_tokens=True)
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print(decoded) # {texts[tgt_lang]}
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```
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#### Limitations and bias
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## Training data
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Pretrained weights were left identical to the original model released by allenai. For more details, please, see the [paper](https://arxiv.org/abs/2006.10369).
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## Eval results
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Here are the BLEU scores:
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model | transformers
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-------|---------
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{model_name} | {scores[model_name][1]}
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The score was calculated using this code:
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```bash
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git clone https://github.com/huggingface/transformers
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cd transformers
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export PAIR={pair}
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export DATA_DIR=data/$PAIR
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export SAVE_DIR=data/$PAIR
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export BS=8
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export NUM_BEAMS=5
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mkdir -p $DATA_DIR
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sacrebleu -t wmt19 -l $PAIR --echo src > $DATA_DIR/val.source
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sacrebleu -t wmt19 -l $PAIR --echo ref > $DATA_DIR/val.target
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echo $PAIR
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PYTHONPATH="src:examples/seq2seq" python examples/seq2seq/run_eval.py allenai/{model_name} $DATA_DIR/val.source $SAVE_DIR/test_translations.txt --reference_path $DATA_DIR/val.target --score_path $SAVE_DIR/test_bleu.json --bs $BS --task translation --num_beams $NUM_BEAMS
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```
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## Data Sources
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- [training, etc.](http://www.statmt.org/wmt19/)
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- [test set](http://matrix.statmt.org/test_sets/newstest2019.tgz?1556572561)
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### BibTeX entry and citation info
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```
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@misc{{kasai2020deep,
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title={{Deep Encoder, Shallow Decoder: Reevaluating the Speed-Quality Tradeoff in Machine Translation}},
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author={{Jungo Kasai and Nikolaos Pappas and Hao Peng and James Cross and Noah A. Smith}},
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year={{2020}},
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eprint={{2006.10369}},
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archivePrefix={{arXiv}},
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primaryClass={{cs.CL}}
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}}
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```
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"""
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model_card_dir.mkdir(parents=True, exist_ok=True)
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path = os.path.join(model_card_dir, "README.md")
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print(f"Generating {path}")
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with open(path, "w", encoding="utf-8") as f:
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f.write(readme)
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# make sure we are under the root of the project
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repo_dir = Path(__file__).resolve().parent.parent.parent
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model_cards_dir = repo_dir / "model_cards"
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for model_name in ["wmt19-de-en-6-6-base", "wmt19-de-en-6-6-big"]:
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model_card_dir = model_cards_dir / "allenai" / model_name
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write_model_card(model_card_dir, src_lang="de", tgt_lang="en", model_name=model_name)
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