[setup] migrate setup script to `pyproject.toml` (#22539)

* [setup] migrate setup script to `pyproject.toml`

* [setup] cleanup configurations

* remove unused imports

pyproject.toml

+# Package ######################################################################
+
+[build-system]
+requires = ["setuptools"]
+build-backend = "setuptools.build_meta"
+
+[project]
+name = "transformers"
+description = "State-of-the-art Machine Learning for JAX, PyTorch and TensorFlow"
+readme = "README.md"
+requires-python = ">= 3.7"
+authors = [
+    { name = "The Hugging Face team (past and future) with the help of all our contributors (https://github.com/huggingface/transformers/graphs/contributors)", email = "transformers@huggingface.co" },
+]
+license = { text = "Apache 2.0 License" }
+keywords = [
+    "NLP",
+    "vision",
+    "speech",
+    "deep learning",
+    "transformer",
+    "pytorch",
+    "tensorflow",
+    "jax",
+    "BERT",
+    "GPT-2",
+    "Wav2Vec2",
+    "ViT",
+]
+classifiers = [
+    "Development Status :: 5 - Production/Stable",
+    "Intended Audience :: Developers",
+    "Intended Audience :: Education",
+    "Intended Audience :: Science/Research",
+    "License :: OSI Approved :: Apache Software License",
+    "Operating System :: OS Independent",
+    "Programming Language :: Python :: 3",
+    "Programming Language :: Python :: 3.7",
+    "Programming Language :: Python :: 3.8",
+    "Programming Language :: Python :: 3.9",
+    "Programming Language :: Python :: 3.10",
+    "Topic :: Scientific/Engineering :: Artificial Intelligence",
+]
+dynamic = ["dependencies", "optional-dependencies", "version"]
+
+[project.scripts]
+transformers-cli = "transformers.commands.transformers_cli:main"
+
+[project.urls]
+Homepage = "https://huggingface.co"
+Repository = "https://github.com/huggingface/transformers"
+Documentation = "https://huggingface.co/docs/transformers"
+"Bug Report" = "https://github.com/huggingface/transformers/issues"
+
+[tool.setuptools]
+include-package-data = true
+
+[tool.setuptools.packages.find]
+where = ["src"]
+
+[tool.setuptools.package-data]
+transformers = ["*.cu", "*.cpp", "*.cuh", "*.h", "*.pyx"]
+
+# Linter tools #################################################################
+
 [tool.black]
 line-length = 119
 target-version = ['py37']
@@ -17,3 +82,6 @@ line-length = 119
 [tool.ruff.isort]
 lines-after-imports = 2
 known-first-party = ["transformers"]
+
+[tool.pytest]
+doctest_optionflags="NUMBER NORMALIZE_WHITESPACE ELLIPSIS"

setup.cfg

-[isort]
-default_section = FIRSTPARTY
-ensure_newline_before_comments = True
-force_grid_wrap = 0
-include_trailing_comma = True
-known_first_party = transformers
-line_length = 119
-lines_after_imports = 2
-multi_line_output = 3
-use_parentheses = True
-
-[flake8]
-ignore = E203, E501, E741, W503, W605
-max-line-length = 119
-
-[tool:pytest]
-doctest_optionflags=NUMBER NORMALIZE_WHITESPACE ELLIPSIS
\ No newline at end of file

setup.py

@@ -78,7 +78,7 @@ import re
 import shutil
 from pathlib import Path
 
-from setuptools import find_packages, setup, Command
+from setuptools import setup, Command
 
 
 # Remove stale transformers.egg-info directory to avoid https://github.com/pypa/pip/issues/5466
@@ -425,36 +425,7 @@ install_requires = [
 setup(
     name="transformers",
     version="4.28.0.dev0",  # expected format is one of x.y.z.dev0, or x.y.z.rc1 or x.y.z (no to dashes, yes to dots)
-    author="The Hugging Face team (past and future) with the help of all our contributors (https://github.com/huggingface/transformers/graphs/contributors)",
-    author_email="transformers@huggingface.co",
-    description="State-of-the-art Machine Learning for JAX, PyTorch and TensorFlow",
-    long_description=open("README.md", "r", encoding="utf-8").read(),
-    long_description_content_type="text/markdown",
-    keywords="NLP vision speech deep learning transformer pytorch tensorflow jax BERT GPT-2 Wav2Vec2 ViT",
-    license="Apache 2.0 License",
-    url="https://github.com/huggingface/transformers",
-    package_dir={"": "src"},
-    packages=find_packages("src"),
-    include_package_data=True,
-    package_data={"transformers": ["*.cu", "*.cpp", "*.cuh", "*.h", "*.pyx"]},
-    zip_safe=False,
     extras_require=extras,
-    entry_points={"console_scripts": ["transformers-cli=transformers.commands.transformers_cli:main"]},
-    python_requires=">=3.7.0",
     install_requires=install_requires,
-    classifiers=[
-        "Development Status :: 5 - Production/Stable",
-        "Intended Audience :: Developers",
-        "Intended Audience :: Education",
-        "Intended Audience :: Science/Research",
-        "License :: OSI Approved :: Apache Software License",
-        "Operating System :: OS Independent",
-        "Programming Language :: Python :: 3",
-        "Programming Language :: Python :: 3.7",
-        "Programming Language :: Python :: 3.8",
-        "Programming Language :: Python :: 3.9",
-        "Programming Language :: Python :: 3.10",
-        "Topic :: Scientific/Engineering :: Artificial Intelligence",
-    ],
     cmdclass={"deps_table_update": DepsTableUpdateCommand},
 )