Refactor Packaging: Split setup.py into setup.py and pyproject.toml for PEP 517 Compliance

README.md

@@ -49,7 +49,6 @@ Currently, we are supporting Python 3. There are several ways to install Cornac:
 
 - **From the GitHub source (for latest updates):**
   ```bash
-  pip3 install Cython numpy scipy
   pip3 install git+https://github.com/PreferredAI/cornac.git
   ```
 

pyproject.toml

@@ -0,0 +1,57 @@
+[build-system]
+requires = [
+    "setuptools>=42",
+    "wheel",
+    "Cython>=0.29.21",
+    "numpy<2.0.0",
+    "scipy<=1.13.1",
+]
+build-backend = "setuptools.build_meta"
+
+[project]
+name = "cornac"
+version = "2.3.0"
+description = "A Comparative Framework for Multimodal Recommender Systems"
+readme = "README.md"
+dependencies = [
+    "numpy<2.0.0",
+    "scipy<=1.13.1",
+    "tqdm",
+    "powerlaw"
+]
+requires-python = ">=3.9"
+license = { file = "LICENSE" }
+keywords = [
+    "recommender system",
+    "collaborative filtering",
+    "multimodal",
+    "preference learning",
+    "recommendation",
+]
+classifiers = [
+    "Development Status :: 5 - Production/Stable",
+    "Intended Audience :: Science/Research",
+    "Intended Audience :: Education",
+    "Intended Audience :: Developers",
+    "Programming Language :: Python :: 3",
+    "Programming Language :: Python :: 3.9",
+    "Programming Language :: Python :: 3.10",
+    "Programming Language :: Python :: 3.11",
+    "Programming Language :: Python :: 3.12",
+    "Programming Language :: Python :: 3.13",
+    "License :: OSI Approved :: Apache Software License",
+    "Topic :: Software Development",
+    "Topic :: Scientific/Engineering",
+]
+
+[project.urls]
+Homepage = "https://cornac.preferred.ai"
+
+[project.optional-dependencies]
+tests = [
+    "pytest",
+    "pytest-pep8",
+    "pytest-xdist",
+    "pytest-cov",
+    "Flask",
+]

setup.py

@@ -29,20 +29,8 @@
 import glob
 import shutil
 from setuptools import Extension, Command, setup, find_packages
-
-
-INSTALL_REQUIRES = ["numpy<2.0.0", "scipy<=1.13.1", "tqdm", "powerlaw"]
-
-try:
-    from Cython.Distutils import build_ext
-    import numpy as np
-    import scipy
-except ImportError:
-    escape_dependency_version = lambda x: '"{}"'.format(x) if "<" in x or "=" in x or ">" in x else x
-    exit(
-        "We need some dependencies to build Cornac.\n"
-        + "Run: pip3 install Cython {}".format(" ".join([escape_dependency_version(x) for x in INSTALL_REQUIRES]))
-    )
+from Cython.Distutils import build_ext
+import numpy as np
 
 
 with open("README.md", "r") as fh:
@@ -341,37 +329,8 @@ def run(self):
 }
 
 setup(
-    name="cornac",
-    version="2.3.0",
-    description="A Comparative Framework for Multimodal Recommender Systems",
-    long_description=long_description,
-    long_description_content_type="text/markdown",
-    url="https://cornac.preferred.ai",
-    keywords=[
-        "recommender system",
-        "collaborative filtering",
-        "multimodal",
-        "preference learning",
-        "recommendation",
-    ],
     ext_modules=extensions,
-    install_requires=INSTALL_REQUIRES,
     extras_require={"tests": ["pytest", "pytest-pep8", "pytest-xdist", "pytest-cov", "Flask"]},
     cmdclass=cmdclass,
     packages=find_packages(),
-    classifiers=[
-        "Development Status :: 5 - Production/Stable",
-        "Intended Audience :: Science/Research",
-        "Intended Audience :: Education",
-        "Intended Audience :: Developers",
-        "Programming Language :: Python :: 3",
-        "Programming Language :: Python :: 3.9",
-        "Programming Language :: Python :: 3.10",
-        "Programming Language :: Python :: 3.11",
-        "Programming Language :: Python :: 3.12",
-        "Programming Language :: Python :: 3.13",
-        "License :: OSI Approved :: Apache Software License",
-        "Topic :: Software Development",
-        "Topic :: Scientific/Engineering",
-    ],
 )