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Unverified Commit fcf06524 authored by Julien Plu's avatar Julien Plu Committed by GitHub
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Fix TensorFlow dataset generator (#4881) 

* fix TensorFlow generator

* Better features handling

* Apply style

* Apply style

* Fix squad as well

* Apply style

* Better factorization of TF Tensors creation
parent 501040fd
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Inline Side-by-side
Showing with 101 additions and 65 deletions
src/transformers/data/processors/glue.py
View file @ fcf06524
......@@ -17,6 +17,7 @@
import logging
import os
from dataclasses import asdict
from enum import Enum
from typing import List, Optional, Union
......@@ -81,26 +82,16 @@ if is_tf_available():
def gen():
for ex in features:
yield (
{
"input_ids": ex.input_ids,
"attention_mask": ex.attention_mask,
"token_type_ids": ex.token_type_ids,
},
ex.label,
)
d = {k: v for k, v in asdict(ex).items() if v is not None}
label = d.pop("label")
yield (d, label)
input_names = ["input_ids"] + tokenizer.model_input_names
return tf.data.Dataset.from_generator(
gen,
({"input_ids": tf.int32, "attention_mask": tf.int32, "token_type_ids": tf.int32}, tf.int64),
(
{
"input_ids": tf.TensorShape([None]),
"attention_mask": tf.TensorShape([None]),
"token_type_ids": tf.TensorShape([None]),
},
tf.TensorShape([]),
),
({k: tf.int32 for k in input_names}, tf.int64),
({k: tf.TensorShape([None]) for k in input_names}, tf.TensorShape([])),
)
......
src/transformers/data/processors/squad.py
View file @ fcf06524
......@@ -389,57 +389,102 @@ def squad_convert_examples_to_features(
def gen():
for i, ex in enumerate(features):
yield (
{
"input_ids": ex.input_ids,
"attention_mask": ex.attention_mask,
"token_type_ids": ex.token_type_ids,
"feature_index": i,
"qas_id": ex.qas_id,
},
{
"start_positions": ex.start_position,
"end_positions": ex.end_position,
"cls_index": ex.cls_index,
"p_mask": ex.p_mask,
"is_impossible": ex.is_impossible,
},
)
if ex.token_type_ids is None:
yield (
{
"input_ids": ex.input_ids,
"attention_mask": ex.attention_mask,
"feature_index": i,
"qas_id": ex.qas_id,
},
{
"start_positions": ex.start_position,
"end_positions": ex.end_position,
"cls_index": ex.cls_index,
"p_mask": ex.p_mask,
"is_impossible": ex.is_impossible,
},
)
else:
yield (
{
"input_ids": ex.input_ids,
"attention_mask": ex.attention_mask,
"token_type_ids": ex.token_type_ids,
"feature_index": i,
"qas_id": ex.qas_id,
},
{
"start_positions": ex.start_position,
"end_positions": ex.end_position,
"cls_index": ex.cls_index,
"p_mask": ex.p_mask,
"is_impossible": ex.is_impossible,
},
)
# Why have we split the batch into a tuple? PyTorch just has a list of tensors.
train_types = (
{
"input_ids": tf.int32,
"attention_mask": tf.int32,
"token_type_ids": tf.int32,
"feature_index": tf.int64,
"qas_id": tf.string,
},
{
"start_positions": tf.int64,
"end_positions": tf.int64,
"cls_index": tf.int64,
"p_mask": tf.int32,
"is_impossible": tf.int32,
},
)
if "token_type_ids" in tokenizer.model_input_names:
train_types = (
{
"input_ids": tf.int32,
"attention_mask": tf.int32,
"token_type_ids": tf.int32,
"feature_index": tf.int64,
"qas_id": tf.string,
},
{
"start_positions": tf.int64,
"end_positions": tf.int64,
"cls_index": tf.int64,
"p_mask": tf.int32,
"is_impossible": tf.int32,
},
)
train_shapes = (
{
"input_ids": tf.TensorShape([None]),
"attention_mask": tf.TensorShape([None]),
"token_type_ids": tf.TensorShape([None]),
"feature_index": tf.TensorShape([]),
"qas_id": tf.TensorShape([]),
},
{
"start_positions": tf.TensorShape([]),
"end_positions": tf.TensorShape([]),
"cls_index": tf.TensorShape([]),
"p_mask": tf.TensorShape([None]),
"is_impossible": tf.TensorShape([]),
},
)
train_shapes = (
{
"input_ids": tf.TensorShape([None]),
"attention_mask": tf.TensorShape([None]),
"token_type_ids": tf.TensorShape([None]),
"feature_index": tf.TensorShape([]),
"qas_id": tf.TensorShape([]),
},
{
"start_positions": tf.TensorShape([]),
"end_positions": tf.TensorShape([]),
"cls_index": tf.TensorShape([]),
"p_mask": tf.TensorShape([None]),
"is_impossible": tf.TensorShape([]),
},
)
else:
train_types = (
{"input_ids": tf.int32, "attention_mask": tf.int32, "feature_index": tf.int64, "qas_id": tf.string},
{
"start_positions": tf.int64,
"end_positions": tf.int64,
"cls_index": tf.int64,
"p_mask": tf.int32,
"is_impossible": tf.int32,
},
)
train_shapes = (
{
"input_ids": tf.TensorShape([None]),
"attention_mask": tf.TensorShape([None]),
"feature_index": tf.TensorShape([]),
"qas_id": tf.TensorShape([]),
},
{
"start_positions": tf.TensorShape([]),
"end_positions": tf.TensorShape([]),
"cls_index": tf.TensorShape([]),
"p_mask": tf.TensorShape([None]),
"is_impossible": tf.TensorShape([]),
},
)
return tf.data.Dataset.from_generator(gen, train_types, train_shapes)
else:
......
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