Skip to content
Merged
Show file tree
Hide file tree
Changes from all commits
Commits
File filter

Filter by extension

Filter by extension

Conversations
Failed to load comments.
Loading
Jump to
Jump to file
Failed to load files.
Loading
Diff view
Diff view
4 changes: 3 additions & 1 deletion src/transformers/data/data_collator.py
Original file line number Diff line number Diff line change
Expand Up @@ -883,6 +883,8 @@ def torch_call(self, examples: List[Union[List[int], Any, Dict[str, Any]]]) -> D
return {"input_ids": inputs, "labels": labels}

def tf_call(self, examples: List[Union[List[int], Any, Dict[str, Any]]]) -> Dict[str, Any]:
import tensorflow as tf
Copy link
Copy Markdown
Contributor

Choose a reason for hiding this comment

The reason will be displayed to describe this comment to others. Learn more.

Note for other reviewers: this import pattern is the one we are using in other functions in this file (we might want to reconsider it)


if isinstance(examples[0], Mapping):
input_ids = [e["input_ids"] for e in examples]
else:
Expand All @@ -907,7 +909,7 @@ def tf_call(self, examples: List[Union[List[int], Any, Dict[str, Any]]]) -> Dict
ref_tokens[i] = "##" + ref_tokens[i]
mask_labels.append(self._whole_word_mask(ref_tokens))
batch_mask = _tf_collate_batch(mask_labels, self.tokenizer, pad_to_multiple_of=self.pad_to_multiple_of)
inputs, labels = self.tf_mask_tokens(batch_input, batch_mask)
inputs, labels = self.tf_mask_tokens(tf.cast(batch_input, tf.int64), batch_mask)
return {"input_ids": inputs, "labels": labels}

def numpy_call(self, examples: List[Union[List[int], Any, Dict[str, Any]]]) -> Dict[str, Any]:
Expand Down
27 changes: 21 additions & 6 deletions tests/trainer/test_data_collator.py
Original file line number Diff line number Diff line change
Expand Up @@ -271,12 +271,17 @@ def test_data_collator_for_language_modeling(self):
self._test_no_pad_and_pad(no_pad_features, pad_features)

def test_data_collator_for_whole_word_mask(self):
features = [{"input_ids": list(range(10))}, {"input_ids": list(range(10))}]

tokenizer = BertTokenizer(self.vocab_file)
data_collator = DataCollatorForWholeWordMask(tokenizer, return_tensors="pt")

features = [{"input_ids": list(range(10))}, {"input_ids": list(range(10))}]
batch = data_collator(features)
self.assertEqual(batch["input_ids"].shape, torch.Size((2, 10)))
self.assertEqual(batch["labels"].shape, torch.Size((2, 10)))

# Features can already be tensors
features = [{"input_ids": np.arange(10)}, {"input_ids": np.arange(10)}]
batch = data_collator(features)
self.assertEqual(batch["input_ids"].shape, torch.Size((2, 10)))
self.assertEqual(batch["labels"].shape, torch.Size((2, 10)))

Expand Down Expand Up @@ -553,12 +558,17 @@ def test_data_collator_for_language_modeling(self):
self._test_no_pad_and_pad(no_pad_features, pad_features)

def test_data_collator_for_whole_word_mask(self):
features = [{"input_ids": list(range(10))}, {"input_ids": list(range(10))}]

tokenizer = BertTokenizer(self.vocab_file)
data_collator = DataCollatorForWholeWordMask(tokenizer, return_tensors="tf")

features = [{"input_ids": list(range(10))}, {"input_ids": list(range(10))}]
batch = data_collator(features)
self.assertEqual(batch["input_ids"].shape.as_list(), [2, 10])
self.assertEqual(batch["labels"].shape.as_list(), [2, 10])

# Features can already be tensors
features = [{"input_ids": np.arange(10)}, {"input_ids": np.arange(10)}]
batch = data_collator(features)
self.assertEqual(batch["input_ids"].shape.as_list(), [2, 10])
self.assertEqual(batch["labels"].shape.as_list(), [2, 10])

Expand Down Expand Up @@ -825,12 +835,17 @@ def test_data_collator_for_language_modeling(self):
self._test_no_pad_and_pad(no_pad_features, pad_features)

def test_data_collator_for_whole_word_mask(self):
features = [{"input_ids": list(range(10))}, {"input_ids": list(range(10))}]

tokenizer = BertTokenizer(self.vocab_file)
data_collator = DataCollatorForWholeWordMask(tokenizer, return_tensors="np")

features = [{"input_ids": list(range(10))}, {"input_ids": list(range(10))}]
batch = data_collator(features)
self.assertEqual(batch["input_ids"].shape, (2, 10))
self.assertEqual(batch["labels"].shape, (2, 10))

# Features can already be tensors
features = [{"input_ids": np.arange(10)}, {"input_ids": np.arange(10)}]
batch = data_collator(features)
self.assertEqual(batch["input_ids"].shape, (2, 10))
self.assertEqual(batch["labels"].shape, (2, 10))

Expand Down