[seq2seq] make it easier to run the scripts (#7274)

examples/seq2seq/README.md

@@ -100,7 +100,7 @@ All finetuning bash scripts call finetune.py (or distillation.py) with reasonabl
 To see all the possible command line options, run:
 
 ```bash
-./finetune.sh --help  # this calls python finetune.py --help
+ ./finetune.py --help 
 ```
 
 ### Finetuning Training Params
@@ -197,7 +197,7 @@ If 'translation' is in your task name, the computed metric will be BLEU. Otherwi
 For t5, you need to specify --task translation_{src}_to_{tgt} as follows:
 ```bash
 export DATA_DIR=wmt_en_ro
-python run_eval.py t5-base \
+./run_eval.py t5-base \
     $DATA_DIR/val.source t5_val_generations.txt \
     --reference_path $DATA_DIR/val.target \
     --score_path enro_bleu.json \
@@ -211,7 +211,7 @@ python run_eval.py t5-base \
 This command works for MBART, although the BLEU score is suspiciously low.
 ```bash
 export DATA_DIR=wmt_en_ro
-python run_eval.py facebook/mbart-large-en-ro $DATA_DIR/val.source mbart_val_generations.txt \
+./run_eval.py facebook/mbart-large-en-ro $DATA_DIR/val.source mbart_val_generations.txt \
     --reference_path $DATA_DIR/val.target \
     --score_path enro_bleu.json \
     --task translation \
@@ -224,7 +224,7 @@ python run_eval.py facebook/mbart-large-en-ro $DATA_DIR/val.source mbart_val_gen
 Summarization (xsum will be very similar):
 ```bash
 export DATA_DIR=cnn_dm
-python run_eval.py sshleifer/distilbart-cnn-12-6 $DATA_DIR/val.source dbart_val_generations.txt \
+./run_eval.py sshleifer/distilbart-cnn-12-6 $DATA_DIR/val.source dbart_val_generations.txt \
     --reference_path $DATA_DIR/val.target \
     --score_path cnn_rouge.json \
     --task summarization \
@@ -238,7 +238,7 @@ python run_eval.py sshleifer/distilbart-cnn-12-6 $DATA_DIR/val.source dbart_val_
 ### Multi-GPU Evalulation
 here is a command to run xsum evaluation on 8 GPUS. It is more than linearly faster than run_eval.py in some cases 
 because it uses SortishSampler to minimize padding. You can also use it on 1 GPU. `data_dir` must have 
-`{type_path}.source` and `{type_path}.target`. Run `python run_distributed_eval.py --help` for all clargs.
+`{type_path}.source` and `{type_path}.target`. Run `./run_distributed_eval.py --help` for all clargs.
 
 ```bash
 python -m torch.distributed.launch --nproc_per_node=8  run_distributed_eval.py \
@@ -371,11 +371,11 @@ This feature can only be used:
 - with fairseq installed
 - on 1 GPU
 - without sortish sampler
-- after calling `python save_len_file.py $tok $data_dir`
+- after calling `./save_len_file.py $tok $data_dir`
 
 For example, 
 ```bash
-python save_len_file.py Helsinki-NLP/opus-mt-en-ro  wmt_en_ro
+./save_len_file.py Helsinki-NLP/opus-mt-en-ro  wmt_en_ro
 ./dynamic_bs_example.sh --max_tokens_per_batch=2000 --output_dir benchmark_dynamic_bs
 ```
 splits `wmt_en_ro/train` into 11,197 uneven lengthed batches and can finish 1 epoch in 8 minutes on a v100.

examples/seq2seq/convert_model_to_fp16.py

+#!/usr/bin/env python
+
 from typing import Union
 
 import fire

examples/seq2seq/convert_pl_checkpoint_to_hf.py

+#!/usr/bin/env python
+
 import os
 from pathlib import Path
 from typing import Dict, List

examples/seq2seq/distillation.py

+#!/usr/bin/env python
+
 import argparse
 import gc
 import os
+import sys
 import warnings
 from pathlib import Path
 from typing import List
@@ -13,7 +16,6 @@ from torch.nn import functional as F
 from finetune import SummarizationModule, TranslationModule
 from finetune import main as ft_main
 from initialization_utils import copy_layers, init_student
-from lightning_base import generic_train
 from transformers import AutoModelForSeq2SeqLM, MBartTokenizer, T5Config, T5ForConditionalGeneration
 from transformers.modeling_bart import shift_tokens_right
 from utils import (
@@ -27,6 +29,11 @@ from utils import (
 )
 
 
+# need the parent dir module
+sys.path.insert(2, str(Path(__file__).resolve().parents[1]))
+from lightning_base import generic_train  # noqa
+
+
 class BartSummarizationDistiller(SummarizationModule):
     """Supports Bart, Pegasus and other models that inherit from Bart."""
 

examples/seq2seq/download_wmt.py

+#!/usr/bin/env python
+
 from pathlib import Path
 
 import fire

examples/seq2seq/finetune.py

+#!/usr/bin/env python
+
 import argparse
 import glob
 import logging
 import os
+import sys
 import time
 from collections import defaultdict
 from pathlib import Path
@@ -13,7 +16,6 @@ import torch
 from torch.utils.data import DataLoader
 
 from callbacks import Seq2SeqLoggingCallback, get_checkpoint_callback, get_early_stopping_callback
-from lightning_base import BaseTransformer, add_generic_args, generic_train
 from transformers import MBartTokenizer, T5ForConditionalGeneration
 from transformers.modeling_bart import shift_tokens_right
 from utils import (
@@ -34,6 +36,11 @@ from utils import (
 )
 
 
+# need the parent dir module
+sys.path.insert(2, str(Path(__file__).resolve().parents[1]))
+from lightning_base import BaseTransformer, add_generic_args, generic_train  # noqa
+
+
 logger = logging.getLogger(__name__)
 
 

examples/seq2seq/finetune.sh

-# Add parent directory to python path to access lightning_base.py
-export PYTHONPATH="../":"${PYTHONPATH}"
-
 # the proper usage is documented in the README, you need to specify data_dir, output_dir and model_name_or_path
 # run ./finetune.sh --help to see all the possible options
 python finetune.py \

examples/seq2seq/minify_dataset.py

+#!/usr/bin/env python
+
 from pathlib import Path
 
 import fire

examples/seq2seq/pack_dataset.py

+#!/usr/bin/env python
+
 """Fill examples with bitext up to max_tokens without breaking up examples.
 [['I went', 'yo fui'],
 ['to the store', 'a la tienda']

examples/seq2seq/run_distributed_eval.py

+#!/usr/bin/env python
+
 import argparse
 import shutil
 import time

examples/seq2seq/run_eval.py

+#!/usr/bin/env python
+
 import argparse
 import datetime
 import json

examples/seq2seq/run_eval_search.py

+#!/usr/bin/env python
+
 import argparse
 import itertools
 import operator

examples/seq2seq/save_len_file.py

+#!/usr/bin/env python
+
 import fire
 from torch.utils.data import DataLoader
 from tqdm import tqdm
 
 from transformers import AutoTokenizer
-
-
-try:
-    from .utils import Seq2SeqDataset, pickle_save
-except ImportError:
-    from utils import Seq2SeqDataset, pickle_save
+from utils import Seq2SeqDataset, pickle_save
 
 
 def save_len_file(

examples/seq2seq/test_bash_script.py

+#!/usr/bin/env python
+
 import argparse
 import os
 import sys

examples/seq2seq/test_datasets.py

@@ -6,14 +6,13 @@ import numpy as np
 import pytest
 from torch.utils.data import DataLoader
 
+from pack_dataset import pack_data_dir
+from save_len_file import save_len_file
+from test_seq2seq_examples import ARTICLES, BART_TINY, MARIAN_TINY, MBART_TINY, SUMMARIES, T5_TINY, make_test_data_dir
 from transformers import AutoTokenizer
 from transformers.modeling_bart import shift_tokens_right
 from transformers.testing_utils import slow
-
-from .pack_dataset import pack_data_dir
-from .save_len_file import save_len_file
-from .test_seq2seq_examples import ARTICLES, BART_TINY, MARIAN_TINY, MBART_TINY, SUMMARIES, T5_TINY, make_test_data_dir
-from .utils import FAIRSEQ_AVAILABLE, DistributedSortishSampler, LegacySeq2SeqDataset, Seq2SeqDataset
+from utils import FAIRSEQ_AVAILABLE, DistributedSortishSampler, LegacySeq2SeqDataset, Seq2SeqDataset
 
 
 BERT_BASE_CASED = "bert-base-cased"

examples/seq2seq/test_fsmt_bleu_score.py

@@ -14,19 +14,13 @@
 # limitations under the License.
 
 import io
-import unittest
-
-
-try:
-    from .utils import calculate_bleu
-except ImportError:
-    from utils import calculate_bleu
-
 import json
+import unittest
 
 from parameterized import parameterized
 from transformers import FSMTForConditionalGeneration, FSMTTokenizer
 from transformers.testing_utils import get_tests_dir, require_torch, slow, torch_device
+from utils import calculate_bleu
 
 
 filename = get_tests_dir() + "/test_data/fsmt/fsmt_val_data.json"