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setup.py
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setup.py
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from setuptools import setup, Extension, distutils, find_packages
from setuptools.command.build_ext import build_ext
import platform
import codecs
import sys
import os
def read(rel_path):
here = os.path.abspath(os.path.dirname(__file__))
with codecs.open(os.path.join(here, rel_path), "r") as fp:
return fp.read()
def get_version(rel_path):
for line in read(rel_path).splitlines():
if line.startswith("__version__"):
delim = '"' if '"' in line else "'"
return line.split(delim)[1]
else:
raise RuntimeError("Unable to find version string.")
class get_pybind_include(object):
"""Helper class to determine the pybind11 include path
The purpose of this class is to postpone importing pybind11
until it is actually installed, so that the ``get_include()``
method can be invoked."""
def __str__(self):
import pybind11
return pybind11.get_include()
ext_modules = [
Extension(
"FPSim2.FPSim2lib",
sources=sorted(
["FPSim2/src/sim.cpp", "FPSim2/src/utils.cpp", "FPSim2/src/wraps.cpp"]
),
include_dirs=[
"FPSim2/src/include",
# Path to pybind11 headers
get_pybind_include(),
],
language="c++",
),
]
# As of Python 3.6, CCompiler has a `has_flag` method.
# cf http://bugs.python.org/issue26689
def has_flag(compiler, flagname):
"""Return a boolean indicating whether a flag name is supported on
the specified compiler.
"""
import tempfile
with tempfile.NamedTemporaryFile("w", suffix=".cpp", delete=False) as f:
f.write("int main (int argc, char **argv) { return 0; }")
fname = f.name
try:
compiler.compile([fname], extra_postargs=[flagname])
except distutils.errors.CompileError:
return False
finally:
try:
os.remove(fname)
except OSError:
pass
return True
def cpp_flag(compiler):
"""Return the -std=c++[11/14/17] compiler flag.
The newer version is prefered over c++11 (when it is available).
"""
flags = ["-std=c++17", "-std=c++14", "-std=c++11"]
for flag in flags:
if has_flag(compiler, flag):
return flag
raise RuntimeError("Unsupported compiler -- at least C++11 support " "is needed!")
class BuildExt(build_ext):
"""A custom build extension for adding compiler-specific options."""
c_opts = {"msvc": ["/EHsc", "/arch:AVX"], "unix": ["-O3"]}
machine = platform.machine().lower()
if os.getenv("FPSIM2_MARCH_NATIVE") == "1":
c_opts["unix"] += ["-march=native"]
else:
if machine.startswith("x86"):
c_opts["unix"] += ["-msse4.2"]
l_opts = {"msvc": [], "unix": []}
if sys.platform == "darwin":
darwin_opts = ["-stdlib=libc++", "-mmacosx-version-min=10.9"]
c_opts["unix"] += darwin_opts
l_opts["unix"] += darwin_opts
def build_extensions(self):
ct = self.compiler.compiler_type
opts = self.c_opts.get(ct, [])
link_opts = self.l_opts.get(ct, [])
if ct == "unix":
opts.append(cpp_flag(self.compiler))
if has_flag(self.compiler, "-fvisibility=hidden"):
opts.append("-fvisibility=hidden")
for ext in self.extensions:
ext.define_macros = [
("VERSION_INFO", '"{}"'.format(self.distribution.get_version()))
]
ext.extra_compile_args = opts
ext.extra_link_args = link_opts
build_ext.build_extensions(self)
setup(
name="FPSim2",
version=get_version("FPSim2/__init__.py"),
author="Eloy Felix",
author_email="eloyfelix@gmail.com",
url="https://github.com/chembl/FPSim2",
license="MIT",
packages=find_packages(),
description="Simple package for fast molecular similarity searching",
long_description=open("README.md", encoding="utf-8").read(),
long_description_content_type="text/markdown",
ext_modules=ext_modules,
install_requires=[
"rdkit>=2022.3.3",
"tables>=3.9.1",
"numpy >=1.14",
"sqlalchemy>=1.4.47",
"scipy",
"tqdm",
],
cmdclass={"build_ext": BuildExt},
python_requires=">=3.9",
zip_safe=False,
classifiers=[
"Development Status :: 4 - Beta",
"License :: OSI Approved :: MIT License",
"Programming Language :: Python :: 3.9",
"Programming Language :: Python :: 3.10",
"Programming Language :: Python :: 3.11",
"Programming Language :: Python :: 3.12",
"Topic :: Scientific/Engineering :: Chemistry",
],
)