transformers/tests/repo_utils/test_check_copies.py

455 lines
17 KiB
Python

# Copyright 2020 The HuggingFace Team. All rights reserved.
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
import os
import shutil
import sys
import tempfile
import unittest
from contextlib import contextmanager
from pathlib import Path
git_repo_path = os.path.abspath(os.path.dirname(os.path.dirname(os.path.dirname(__file__))))
sys.path.append(os.path.join(git_repo_path, "utils"))
import check_copies # noqa: E402
from check_copies import convert_to_localized_md, find_code_in_transformers, is_copy_consistent # noqa: E402
# This is the reference code that will be used in the tests.
# If BertLMPredictionHead is changed in modeling_bert.py, this code needs to be manually updated.
REFERENCE_CODE = """ def __init__(self, config):
super().__init__()
self.transform = BertPredictionHeadTransform(config)
# The output weights are the same as the input embeddings, but there is
# an output-only bias for each token.
self.decoder = nn.Linear(config.hidden_size, config.vocab_size, bias=False)
self.bias = nn.Parameter(torch.zeros(config.vocab_size))
# Need a link between the two variables so that the bias is correctly resized with `resize_token_embeddings`
self.decoder.bias = self.bias
def forward(self, hidden_states):
hidden_states = self.transform(hidden_states)
hidden_states = self.decoder(hidden_states)
return hidden_states
"""
MOCK_BERT_CODE = """from ...modeling_utils import PreTrainedModel
def bert_function(x):
return x
class BertAttention(nn.Module):
def __init__(self, config):
super().__init__()
class BertModel(BertPreTrainedModel):
def __init__(self, config):
super().__init__()
self.bert = BertEncoder(config)
@add_docstring(BERT_DOCSTRING)
def forward(self, x):
return self.bert(x)
"""
MOCK_BERT_COPY_CODE = """from ...modeling_utils import PreTrainedModel
# Copied from transformers.models.bert.modeling_bert.bert_function
def bert_copy_function(x):
return x
# Copied from transformers.models.bert.modeling_bert.BertAttention
class BertCopyAttention(nn.Module):
def __init__(self, config):
super().__init__()
# Copied from transformers.models.bert.modeling_bert.BertModel with Bert->BertCopy all-casing
class BertCopyModel(BertCopyPreTrainedModel):
def __init__(self, config):
super().__init__()
self.bertcopy = BertCopyEncoder(config)
@add_docstring(BERTCOPY_DOCSTRING)
def forward(self, x):
return self.bertcopy(x)
"""
MOCK_DUMMY_BERT_CODE_MATCH = """
class BertDummyModel:
attr_1 = 1
attr_2 = 2
def __init__(self, a=1, b=2):
self.a = a
self.b = b
# Copied from transformers.models.dummy_gpt2.modeling_dummy_gpt2.GPT2DummyModel.forward
def forward(self, c):
return 1
def existing_common(self, c):
return 4
def existing_diff_to_be_ignored(self, c):
return 9
"""
MOCK_DUMMY_ROBERTA_CODE_MATCH = """
# Copied from transformers.models.dummy_bert_match.modeling_dummy_bert_match.BertDummyModel with BertDummy->RobertaBertDummy
class RobertaBertDummyModel:
attr_1 = 1
attr_2 = 2
def __init__(self, a=1, b=2):
self.a = a
self.b = b
# Ignore copy
def only_in_roberta_to_be_ignored(self, c):
return 3
# Copied from transformers.models.dummy_gpt2.modeling_dummy_gpt2.GPT2DummyModel.forward
def forward(self, c):
return 1
def existing_common(self, c):
return 4
# Ignore copy
def existing_diff_to_be_ignored(self, c):
return 6
"""
MOCK_DUMMY_BERT_CODE_NO_MATCH = """
class BertDummyModel:
attr_1 = 1
attr_2 = 2
def __init__(self, a=1, b=2):
self.a = a
self.b = b
# Copied from transformers.models.dummy_gpt2.modeling_dummy_gpt2.GPT2DummyModel.forward
def forward(self, c):
return 1
def only_in_bert(self, c):
return 7
def existing_common(self, c):
return 4
def existing_diff_not_ignored(self, c):
return 8
def existing_diff_to_be_ignored(self, c):
return 9
"""
MOCK_DUMMY_ROBERTA_CODE_NO_MATCH = """
# Copied from transformers.models.dummy_bert_no_match.modeling_dummy_bert_no_match.BertDummyModel with BertDummy->RobertaBertDummy
class RobertaBertDummyModel:
attr_1 = 1
attr_2 = 3
def __init__(self, a=1, b=2):
self.a = a
self.b = b
# Ignore copy
def only_in_roberta_to_be_ignored(self, c):
return 3
# Copied from transformers.models.dummy_gpt2.modeling_dummy_gpt2.GPT2DummyModel.forward
def forward(self, c):
return 1
def only_in_roberta_not_ignored(self, c):
return 2
def existing_common(self, c):
return 4
def existing_diff_not_ignored(self, c):
return 5
# Ignore copy
def existing_diff_to_be_ignored(self, c):
return 6
"""
EXPECTED_REPLACED_CODE = """
# Copied from transformers.models.dummy_bert_no_match.modeling_dummy_bert_no_match.BertDummyModel with BertDummy->RobertaBertDummy
class RobertaBertDummyModel:
attr_1 = 1
attr_2 = 2
def __init__(self, a=1, b=2):
self.a = a
self.b = b
# Copied from transformers.models.dummy_gpt2.modeling_dummy_gpt2.GPT2DummyModel.forward
def forward(self, c):
return 1
def only_in_bert(self, c):
return 7
def existing_common(self, c):
return 4
def existing_diff_not_ignored(self, c):
return 8
# Ignore copy
def existing_diff_to_be_ignored(self, c):
return 6
# Ignore copy
def only_in_roberta_to_be_ignored(self, c):
return 3
"""
def replace_in_file(filename, old, new):
with open(filename, "r", encoding="utf-8") as f:
content = f.read()
content = content.replace(old, new)
with open(filename, "w", encoding="utf-8", newline="\n") as f:
f.write(content)
def create_tmp_repo(tmp_dir):
"""
Creates a mock repository in a temporary folder for testing.
"""
tmp_dir = Path(tmp_dir)
if tmp_dir.exists():
shutil.rmtree(tmp_dir)
tmp_dir.mkdir(exist_ok=True)
model_dir = tmp_dir / "src" / "transformers" / "models"
model_dir.mkdir(parents=True, exist_ok=True)
models = {
"bert": MOCK_BERT_CODE,
"bertcopy": MOCK_BERT_COPY_CODE,
"dummy_bert_match": MOCK_DUMMY_BERT_CODE_MATCH,
"dummy_roberta_match": MOCK_DUMMY_ROBERTA_CODE_MATCH,
"dummy_bert_no_match": MOCK_DUMMY_BERT_CODE_NO_MATCH,
"dummy_roberta_no_match": MOCK_DUMMY_ROBERTA_CODE_NO_MATCH,
}
for model, code in models.items():
model_subdir = model_dir / model
model_subdir.mkdir(exist_ok=True)
with open(model_subdir / f"modeling_{model}.py", "w", encoding="utf-8", newline="\n") as f:
f.write(code)
@contextmanager
def patch_transformer_repo_path(new_folder):
"""
Temporarily patches the variables defines in `check_copies` to use a different location for the repo.
"""
old_repo_path = check_copies.REPO_PATH
old_doc_path = check_copies.PATH_TO_DOCS
old_transformer_path = check_copies.TRANSFORMERS_PATH
repo_path = Path(new_folder).resolve()
check_copies.REPO_PATH = str(repo_path)
check_copies.PATH_TO_DOCS = str(repo_path / "docs" / "source" / "en")
check_copies.TRANSFORMERS_PATH = str(repo_path / "src" / "transformers")
try:
yield
finally:
check_copies.REPO_PATH = old_repo_path
check_copies.PATH_TO_DOCS = old_doc_path
check_copies.TRANSFORMERS_PATH = old_transformer_path
class CopyCheckTester(unittest.TestCase):
def test_find_code_in_transformers(self):
with tempfile.TemporaryDirectory() as tmp_folder:
create_tmp_repo(tmp_folder)
with patch_transformer_repo_path(tmp_folder):
code = find_code_in_transformers("models.bert.modeling_bert.BertAttention")
reference_code = (
"class BertAttention(nn.Module):\n def __init__(self, config):\n super().__init__()\n"
)
self.assertEqual(code, reference_code)
def test_is_copy_consistent(self):
path_to_check = ["src", "transformers", "models", "bertcopy", "modeling_bertcopy.py"]
with tempfile.TemporaryDirectory() as tmp_folder:
# Base check
create_tmp_repo(tmp_folder)
with patch_transformer_repo_path(tmp_folder):
file_to_check = os.path.join(tmp_folder, *path_to_check)
diffs = is_copy_consistent(file_to_check)
self.assertEqual(diffs, [])
# Base check with an inconsistency
create_tmp_repo(tmp_folder)
with patch_transformer_repo_path(tmp_folder):
file_to_check = os.path.join(tmp_folder, *path_to_check)
replace_in_file(file_to_check, "self.bertcopy(x)", "self.bert(x)")
diffs = is_copy_consistent(file_to_check)
self.assertEqual(diffs, [["models.bert.modeling_bert.BertModel", 22]])
_ = is_copy_consistent(file_to_check, overwrite=True)
with open(file_to_check, "r", encoding="utf-8") as f:
self.assertEqual(f.read(), MOCK_BERT_COPY_CODE)
def test_is_copy_consistent_with_ignored_match(self):
path_to_check = ["src", "transformers", "models", "dummy_roberta_match", "modeling_dummy_roberta_match.py"]
with tempfile.TemporaryDirectory() as tmp_folder:
# Base check
create_tmp_repo(tmp_folder)
with patch_transformer_repo_path(tmp_folder):
file_to_check = os.path.join(tmp_folder, *path_to_check)
diffs = is_copy_consistent(file_to_check)
self.assertEqual(diffs, [])
def test_is_copy_consistent_with_ignored_no_match(self):
path_to_check = [
"src",
"transformers",
"models",
"dummy_roberta_no_match",
"modeling_dummy_roberta_no_match.py",
]
with tempfile.TemporaryDirectory() as tmp_folder:
# Base check with an inconsistency
create_tmp_repo(tmp_folder)
with patch_transformer_repo_path(tmp_folder):
file_to_check = os.path.join(tmp_folder, *path_to_check)
diffs = is_copy_consistent(file_to_check)
# line 6: `attr_2 = 3` in `MOCK_DUMMY_ROBERTA_CODE_NO_MATCH`.
# (which has a leading `\n`.)
self.assertEqual(
diffs, [["models.dummy_bert_no_match.modeling_dummy_bert_no_match.BertDummyModel", 6]]
)
_ = is_copy_consistent(file_to_check, overwrite=True)
with open(file_to_check, "r", encoding="utf-8") as f:
self.assertEqual(f.read(), EXPECTED_REPLACED_CODE)
def test_convert_to_localized_md(self):
localized_readme = check_copies.LOCALIZED_READMES["README_zh-hans.md"]
md_list = (
"1. **[ALBERT](https://huggingface.co/transformers/model_doc/albert.html)** (from Google Research and the"
" Toyota Technological Institute at Chicago) released with the paper [ALBERT: A Lite BERT for"
" Self-supervised Learning of Language Representations](https://arxiv.org/abs/1909.11942), by Zhenzhong"
" Lan, Mingda Chen, Sebastian Goodman, Kevin Gimpel, Piyush Sharma, Radu Soricut.\n1."
" **[DistilBERT](https://huggingface.co/transformers/model_doc/distilbert.html)** (from HuggingFace),"
" released together with the paper [DistilBERT, a distilled version of BERT: smaller, faster, cheaper and"
" lighter](https://arxiv.org/abs/1910.01108) by Victor Sanh, Lysandre Debut and Thomas Wolf. The same"
" method has been applied to compress GPT2 into"
" [DistilGPT2](https://github.com/huggingface/transformers/tree/main/examples/distillation), RoBERTa into"
" [DistilRoBERTa](https://github.com/huggingface/transformers/tree/main/examples/distillation),"
" Multilingual BERT into"
" [DistilmBERT](https://github.com/huggingface/transformers/tree/main/examples/distillation) and a German"
" version of DistilBERT.\n1. **[ELECTRA](https://huggingface.co/transformers/model_doc/electra.html)**"
" (from Google Research/Stanford University) released with the paper [ELECTRA: Pre-training text encoders"
" as discriminators rather than generators](https://arxiv.org/abs/2003.10555) by Kevin Clark, Minh-Thang"
" Luong, Quoc V. Le, Christopher D. Manning."
)
localized_md_list = (
"1. **[ALBERT](https://huggingface.co/transformers/model_doc/albert.html)** (来自 Google Research and the"
" Toyota Technological Institute at Chicago) 伴随论文 [ALBERT: A Lite BERT for Self-supervised Learning of"
" Language Representations](https://arxiv.org/abs/1909.11942), 由 Zhenzhong Lan, Mingda Chen, Sebastian"
" Goodman, Kevin Gimpel, Piyush Sharma, Radu Soricut 发布。\n"
)
converted_md_list_sample = (
"1. **[ALBERT](https://huggingface.co/transformers/model_doc/albert.html)** (来自 Google Research and the"
" Toyota Technological Institute at Chicago) 伴随论文 [ALBERT: A Lite BERT for Self-supervised Learning of"
" Language Representations](https://arxiv.org/abs/1909.11942), 由 Zhenzhong Lan, Mingda Chen, Sebastian"
" Goodman, Kevin Gimpel, Piyush Sharma, Radu Soricut 发布。\n1."
" **[DistilBERT](https://huggingface.co/transformers/model_doc/distilbert.html)** (来自 HuggingFace) 伴随论文"
" [DistilBERT, a distilled version of BERT: smaller, faster, cheaper and"
" lighter](https://arxiv.org/abs/1910.01108) 由 Victor Sanh, Lysandre Debut and Thomas Wolf 发布。 The same"
" method has been applied to compress GPT2 into"
" [DistilGPT2](https://github.com/huggingface/transformers/tree/main/examples/distillation), RoBERTa into"
" [DistilRoBERTa](https://github.com/huggingface/transformers/tree/main/examples/distillation),"
" Multilingual BERT into"
" [DistilmBERT](https://github.com/huggingface/transformers/tree/main/examples/distillation) and a German"
" version of DistilBERT.\n1. **[ELECTRA](https://huggingface.co/transformers/model_doc/electra.html)** (来自"
" Google Research/Stanford University) 伴随论文 [ELECTRA: Pre-training text encoders as discriminators rather"
" than generators](https://arxiv.org/abs/2003.10555) 由 Kevin Clark, Minh-Thang Luong, Quoc V. Le,"
" Christopher D. Manning 发布。\n"
)
num_models_equal, converted_md_list = convert_to_localized_md(
md_list, localized_md_list, localized_readme["format_model_list"]
)
self.assertFalse(num_models_equal)
self.assertEqual(converted_md_list, converted_md_list_sample)
num_models_equal, converted_md_list = convert_to_localized_md(
md_list, converted_md_list, localized_readme["format_model_list"]
)
# Check whether the number of models is equal to README.md after conversion.
self.assertTrue(num_models_equal)
link_changed_md_list = (
"1. **[ALBERT](https://huggingface.co/transformers/model_doc/albert.html)** (from Google Research and the"
" Toyota Technological Institute at Chicago) released with the paper [ALBERT: A Lite BERT for"
" Self-supervised Learning of Language Representations](https://arxiv.org/abs/1909.11942), by Zhenzhong"
" Lan, Mingda Chen, Sebastian Goodman, Kevin Gimpel, Piyush Sharma, Radu Soricut."
)
link_unchanged_md_list = (
"1. **[ALBERT](https://huggingface.co/transformers/main/model_doc/albert.html)** (来自 Google Research and"
" the Toyota Technological Institute at Chicago) 伴随论文 [ALBERT: A Lite BERT for Self-supervised Learning of"
" Language Representations](https://arxiv.org/abs/1909.11942), 由 Zhenzhong Lan, Mingda Chen, Sebastian"
" Goodman, Kevin Gimpel, Piyush Sharma, Radu Soricut 发布。\n"
)
converted_md_list_sample = (
"1. **[ALBERT](https://huggingface.co/transformers/model_doc/albert.html)** (来自 Google Research and the"
" Toyota Technological Institute at Chicago) 伴随论文 [ALBERT: A Lite BERT for Self-supervised Learning of"
" Language Representations](https://arxiv.org/abs/1909.11942), 由 Zhenzhong Lan, Mingda Chen, Sebastian"
" Goodman, Kevin Gimpel, Piyush Sharma, Radu Soricut 发布。\n"
)
num_models_equal, converted_md_list = convert_to_localized_md(
link_changed_md_list, link_unchanged_md_list, localized_readme["format_model_list"]
)
# Check if the model link is synchronized.
self.assertEqual(converted_md_list, converted_md_list_sample)