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check_table.py
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check_table.py
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# coding=utf-8
# Copyright 2020 The HuggingFace Inc. team.
#
# 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 argparse
import collections
import importlib.util
import os
import re
# All paths are set with the intent you should run this script from the root of the repo with the command
# python utils/check_table.py
TRANSFORMERS_PATH = "src/transformers"
PATH_TO_DOCS = "docs/source"
REPO_PATH = "."
def _find_text_in_file(filename, start_prompt, end_prompt):
"""
Find the text in `filename` between a line beginning with `start_prompt` and before `end_prompt`, removing empty
lines.
"""
with open(filename, "r", encoding="utf-8", newline="\n") as f:
lines = f.readlines()
# Find the start prompt.
start_index = 0
while not lines[start_index].startswith(start_prompt):
start_index += 1
start_index += 1
end_index = start_index
while not lines[end_index].startswith(end_prompt):
end_index += 1
end_index -= 1
while len(lines[start_index]) <= 1:
start_index += 1
while len(lines[end_index]) <= 1:
end_index -= 1
end_index += 1
return "".join(lines[start_index:end_index]), start_index, end_index, lines
# Add here suffixes that are used to identify models, seperated by |
ALLOWED_MODEL_SUFFIXES = "Model|Encoder|Decoder|ForConditionalGeneration"
# Regexes that match TF/Flax/PT model names.
_re_tf_models = re.compile(r"TF(.*)(?:Model|Encoder|Decoder|ForConditionalGeneration)")
_re_flax_models = re.compile(r"Flax(.*)(?:Model|Encoder|Decoder|ForConditionalGeneration)")
# Will match any TF or Flax model too so need to be in an else branch afterthe two previous regexes.
_re_pt_models = re.compile(r"(.*)(?:Model|Encoder|Decoder|ForConditionalGeneration)")
# Thanks to https://stackoverflow.com/questions/29916065/how-to-do-camelcase-split-in-python
def camel_case_split(identifier):
"Split a camelcased `identifier` into words."
matches = re.finditer(".+?(?:(?<=[a-z])(?=[A-Z])|(?<=[A-Z])(?=[A-Z][a-z])|$)", identifier)
return [m.group(0) for m in matches]
def _center_text(text, width):
text_length = 2 if text == "✅" or text == "❌" else len(text)
left_indent = (width - text_length) // 2
right_indent = width - text_length - left_indent
return " " * left_indent + text + " " * right_indent
def get_model_table_from_auto_modules():
"""Generates an up-to-date model table from the content of the auto modules."""
# This is to make sure the transformers module imported is the one in the repo.
spec = importlib.util.spec_from_file_location(
"transformers",
os.path.join(TRANSFORMERS_PATH, "__init__.py"),
submodule_search_locations=[TRANSFORMERS_PATH],
)
transformers = spec.loader.load_module()
# Dictionary model names to config.
model_name_to_config = {
name: transformers.CONFIG_MAPPING[code] for code, name in transformers.MODEL_NAMES_MAPPING.items()
}
model_name_to_prefix = {
name: config.__name__.replace("Config", "") for name, config in model_name_to_config.items()
}
# Dictionaries flagging if each model prefix has a slow/fast tokenizer, backend in PT/TF/Flax.
slow_tokenizers = collections.defaultdict(bool)
fast_tokenizers = collections.defaultdict(bool)
pt_models = collections.defaultdict(bool)
tf_models = collections.defaultdict(bool)
flax_models = collections.defaultdict(bool)
# Let's lookup through all transformers object (once).
for attr_name in dir(transformers):
lookup_dict = None
if attr_name.endswith("Tokenizer"):
lookup_dict = slow_tokenizers
attr_name = attr_name[:-9]
elif attr_name.endswith("TokenizerFast"):
lookup_dict = fast_tokenizers
attr_name = attr_name[:-13]
elif _re_tf_models.match(attr_name) is not None:
lookup_dict = tf_models
attr_name = _re_tf_models.match(attr_name).groups()[0]
elif _re_flax_models.match(attr_name) is not None:
lookup_dict = flax_models
attr_name = _re_flax_models.match(attr_name).groups()[0]
elif _re_pt_models.match(attr_name) is not None:
lookup_dict = pt_models
attr_name = _re_pt_models.match(attr_name).groups()[0]
if lookup_dict is not None:
while len(attr_name) > 0:
if attr_name in model_name_to_prefix.values():
lookup_dict[attr_name] = True
break
# Try again after removing the last word in the name
attr_name = "".join(camel_case_split(attr_name)[:-1])
# Let's build that table!
model_names = list(model_name_to_config.keys())
model_names.sort()
columns = ["Model", "Tokenizer slow", "Tokenizer fast", "PyTorch support", "TensorFlow support", "Flax Support"]
# We'll need widths to properly display everything in the center (+2 is to leave one extra space on each side).
widths = [len(c) + 2 for c in columns]
widths[0] = max([len(name) for name in model_names]) + 2
# Rst table per se
table = ".. rst-class:: center-aligned-table\n\n"
table += "+" + "+".join(["-" * w for w in widths]) + "+\n"
table += "|" + "|".join([_center_text(c, w) for c, w in zip(columns, widths)]) + "|\n"
table += "+" + "+".join(["=" * w for w in widths]) + "+\n"
check = {True: "✅", False: "❌"}
for name in model_names:
prefix = model_name_to_prefix[name]
line = [
name,
check[slow_tokenizers[prefix]],
check[fast_tokenizers[prefix]],
check[pt_models[prefix]],
check[tf_models[prefix]],
check[flax_models[prefix]],
]
table += "|" + "|".join([_center_text(l, w) for l, w in zip(line, widths)]) + "|\n"
table += "+" + "+".join(["-" * w for w in widths]) + "+\n"
return table
def check_model_table(overwrite=False):
""" Check the model table in the index.rst is consistent with the state of the lib and maybe `overwrite`. """
current_table, start_index, end_index, lines = _find_text_in_file(
filename=os.path.join(PATH_TO_DOCS, "index.rst"),
start_prompt=" This table is updated automatically from the auto module",
end_prompt=".. toctree::",
)
new_table = get_model_table_from_auto_modules()
if current_table != new_table:
if overwrite:
with open(os.path.join(PATH_TO_DOCS, "index.rst"), "w", encoding="utf-8", newline="\n") as f:
f.writelines(lines[:start_index] + [new_table] + lines[end_index:])
else:
raise ValueError(
"The model table in the `index.rst` has not been updated. Run `make fix-copies` to fix this."
)
if __name__ == "__main__":
parser = argparse.ArgumentParser()
parser.add_argument("--fix_and_overwrite", action="store_true", help="Whether to fix inconsistencies.")
args = parser.parse_args()
check_model_table(args.fix_and_overwrite)

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