Migrate build data to pyproject.toml

.github/workflows/python-package.yml

@@ -177,9 +177,9 @@ jobs:
     - name: Install build package
       shell: bash
       run: pip install build
-    - name: Install Python test dependencies
-      shell: bash
-      run: pip install -r requirements-ci.txt
+    #- name: Install Python test dependencies
+    #  shell: bash
+    #  run: pip install -r requirements-ci.txt
     # TODO: How to run CUDA tests on GitHub actions?
     #- name: Run unit tests
     #  if: ${{ matrix.arch == 'x86_64' }} # Tests are too slow to run in emulation. Wait for real aarch64 agents

docs/source/contributing.mdx

@@ -3,6 +3,10 @@
 
 ## Setup
 
+### Editable install
+- Create an editable installation for development with `pip install -e ".[dev]"`
+- Optional extras: `benchmark`, `docs`
+
 ### Setup pre-commit hooks
 - Install pre-commit hooks with `pip install pre-commit`.
 - Run `pre-commit autoupdate` once to configure the hooks.

docs/source/installation.mdx

@@ -51,10 +51,9 @@ You'll need to build bitsandbytes from source. To compile from source, you need
 
 ```bash
 git clone https://github.com/TimDettmers/bitsandbytes.git && cd bitsandbytes/
-pip install -r requirements-dev.txt
 cmake -DCOMPUTE_BACKEND=cuda -S .
 cmake --build . --config Release
-python -m build --wheel
+pip install .
 ```
 
 Big thanks to [wkpark](https://github.com/wkpark), [Jamezo97](https://github.com/Jamezo97), [rickardp](https://github.com/rickardp), [akx](https://github.com/akx) for their amazing contributions to make bitsandbytes compatible with Windows.

pyproject.toml

@@ -1,7 +1,80 @@
 [build-system]
-requires = [ "setuptools", "wheel" ]
+requires = ["setuptools >= 63.0.0"]
 build-backend = "setuptools.build_meta"
 
+[project]
+name = "bitsandbytes"
+dynamic = ["version"]
+description = "k-bit optimizers and matrix multiplication routines."
+authors = [{name="Tim Dettmers", email="[email protected]"}]
+requires-python = ">=3.8"
+readme = "README.md"
+license = {file="LICENSE"}
+keywords = [
+    "gpu",
+    "optimizers",
+    "optimization",
+    "8-bit",
+    "quantization",
+    "compression"
+]
+classifiers = [
+    "Development Status :: 4 - Beta",
+    "License :: OSI Approved :: MIT License",
+    "Environment :: GPU :: NVIDIA CUDA :: 11",
+    "Environment :: GPU :: NVIDIA CUDA :: 12",
+    "Intended Audience :: Developers",
+    "Intended Audience :: Science/Research",
+    "Operating System :: POSIX :: Linux",
+    "Operating System :: MacOS",
+    "Operating System :: Microsoft :: Windows",
+    "Programming Language :: C++",
+    "Programming Language :: Python :: Implementation :: CPython",
+    "Programming Language :: Python :: 3.8",
+    "Programming Language :: Python :: 3.9",
+    "Programming Language :: Python :: 3.10",
+    "Programming Language :: Python :: 3.11",
+    "Programming Language :: Python :: 3.12",
+    "Topic :: Scientific/Engineering :: Artificial Intelligence"
+]
+dependencies = [
+    "torch",
+    "numpy"
+]
+
+[project.optional-dependencies]
+benchmark = ["pandas", "matplotlib"]
+docs = ["hf-doc-builder", "black"]
+dev = [
+    "bitsandbytes[test]",
+    "build",
+    "ruff",
+    "pre-commit",
+    "wheel"
+]
+test = [
+    "einops~=0.6.0",
+    "lion-pytorch==0.0.6",
+    "pytest<8",
+    "pytest-cases",
+    "pytest-sugar",
+    "scipy",
+    "transformers"
+]
+triton = ["triton; sys_platform=='linux' and platform_machine=='x86_64'"]
+
+[project.urls]
+homepage = "https://github.com/TimDettmers/bitsandbytes"
+changelog = "https://github.com/TimDettmers/bitsandbytes/blob/main/CHANGELOG.md"
+docs = "https://huggingface.co/docs/bitsandbytes/main"
+issues = "https://github.com/TimDettmers/bitsandbytes/issues"
+
+[tool.setuptools]
+package-data = { "*" = ["libbitsandbytes*.*"] }
+
+[tool.setuptools.dynamic]
+version = {attr = "bitsandbytes.__version__"}
+
 [tool.ruff]
 src = [
     "bitsandbytes",

setup.py

@@ -2,48 +2,17 @@
 #
 # This source code is licensed under the MIT license found in the
 # LICENSE file in the root directory of this source tree.
-import glob
-import os
-
 from setuptools import find_packages, setup
 from setuptools.dist import Distribution
 
-libs = list(glob.glob("./bitsandbytes/libbitsandbytes*.*"))
-libs = [os.path.basename(p) for p in libs]
-print("libs:", libs)
-
-
-def read(fname):
-    return open(os.path.join(os.path.dirname(__file__), fname)).read()
-
 
 # Tested with wheel v0.29.0
 class BinaryDistribution(Distribution):
     def has_ext_modules(self):
         return True
 
-
 setup(
-    name="bitsandbytes",
     version="0.43.0.dev0",
-    author="Tim Dettmers",
-    author_email="[email protected]",
-    description="k-bit optimizers and matrix multiplication routines.",
-    license="MIT",
-    keywords="gpu optimizers optimization 8-bit quantization compression",
-    url="https://github.com/TimDettmers/bitsandbytes",
     packages=find_packages(),
-    package_data={"": libs},
-    install_requires=["torch", "numpy"],
-    extras_require={
-        "benchmark": ["pandas", "matplotlib"],
-        "test": ["scipy"],
-    },
-    long_description=read("README.md"),
-    long_description_content_type="text/markdown",
-    classifiers=[
-        "Development Status :: 4 - Beta",
-        "Topic :: Scientific/Engineering :: Artificial Intelligence",
-    ],
-    distclass=BinaryDistribution,
+    distclass=BinaryDistribution
 )