1#!/usr/bin/env python
2
3import os
4
5from setuptools import setup
6from distutils.command.build_ext import build_ext as _build_ext
7from setuptools.command.bdist_egg import bdist_egg as _bdist_egg
8from setuptools.extension import Extension
9
10from autogen import rebuild
11from autogen.paths import include_dirs, library_dirs
12
13ext_kwds = dict(include_dirs=include_dirs(), library_dirs=library_dirs())
14
15
16if "READTHEDOCS" in os.environ:
17    # When building with readthedocs, disable optimizations to decrease
18    # resource usage during build
19    ext_kwds["extra_compile_args"] = ["-O0"]
20
21    # Print PARI/GP defaults and environment variables for debugging
22    from subprocess import Popen, PIPE
23    Popen(["gp", "-f", "-q"], stdin=PIPE).communicate(b"default()")
24    for item in os.environ.items():
25        print("%s=%r" % item)
26
27
28# Adapted from Cython's new_build_ext
29class build_ext(_build_ext):
30    def finalize_options(self):
31        # Generate auto-generated sources from pari.desc
32        rebuild()
33
34        self.directives = {
35            "autotestdict.cdef": True,
36            "binding": True,
37            "cdivision": True,
38            "language_level": 2,
39        }
40
41        _build_ext.finalize_options(self)
42
43    def run(self):
44        # Run Cython
45        from Cython.Build.Dependencies import cythonize
46        self.distribution.ext_modules[:] = cythonize(
47            self.distribution.ext_modules,
48            compiler_directives=self.directives)
49
50        _build_ext.run(self)
51
52
53class no_egg(_bdist_egg):
54    def run(self):
55        from distutils.errors import DistutilsOptionError
56        raise DistutilsOptionError("The package cypari2 will not function correctly when built as egg. Therefore, it cannot be installed using 'python setup.py install' or 'easy_install'. Instead, use 'pip install' to install cypari2.")
57
58
59with open('README.rst') as f:
60    README = f.read()
61
62with open('VERSION') as f:
63    VERSION = f.read().strip()
64
65
66setup(
67    name='cypari2',
68    version=VERSION,
69    setup_requires=['Cython>=0.28'],
70    install_requires=['cysignals>=1.7'],
71    description="A Python interface to the number theory library PARI/GP",
72    long_description=README,
73    url="https://github.com/sagemath/cypari2",
74    author="Luca De Feo, Vincent Delecroix, Jeroen Demeyer, Vincent Klein",
75    author_email="sage-devel@googlegroups.com",
76    license='GNU General Public License, version 2 or later',
77    ext_modules=[Extension("*", ["cypari2/*.pyx"], **ext_kwds)],
78    keywords='PARI/GP number theory',
79    packages=['cypari2'],
80    package_dir={'cypari2': 'cypari2'},
81    package_data={'cypari2': ['declinl.pxi', '*.pxd', '*.h']},
82    cmdclass=dict(build_ext=build_ext, bdist_egg=no_egg)
83)
84