setup.py

#!/usr/bin/env python

from setuptools import setup
from setuptools.command.develop import develop
import distutils.log
from distutils.command.build import build
from distutils.cmd import Command

def read_text_file(path):
    import os
    with open(os.path.join(os.path.dirname(__file__), path)) as f:
        return f.read()


class BuildGenerateInstructions(build):
    def run(self):
        self.run_command("generate")
        build.run(self)

class DevelopGenerateInstructions(develop):
    def run(self):
        self.run_command("generate")
        develop.run(self)

class GenerateInstructions(Command):
    description = "Generate PeachPy instructions from Opcodes DB"
    user_options = []

    def initialize_options(self):
        pass

    def finalize_options(self):
        pass

    def run(self):
        # package_dir may be None, in that case use the current directory.
        import os
        if not self.distribution.package_dir:
            src_dir = os.getcwd()
        else:
            src_dir = os.path.abspath(self.distribution.package_dir[""])
        # Run code-generation script
        import opcodes
        self.announce("Generating x86-64 instruction classes from opcodes %s" % opcodes.__version__,
                      level=distutils.log.INFO)
        import codegen.x86_64
        codegen.x86_64.main(src_dir)


setup(
    name="PeachPy",
    version="0.2.0",
    description="Portable Efficient Assembly Codegen in Higher-level Python",
    author="Marat Dukhan",
    author_email="maratek@gmail.com",
    url="https://github.com/Maratyszcza/PeachPy/",
    packages=["peachpy", "peachpy.c",
              "peachpy.common", "peachpy.x86_64", "peachpy.arm",
              "peachpy.formats", "peachpy.formats.elf", "peachpy.formats.macho", "peachpy.formats.mscoff"],
    keywords=["assembly", "codegen", "x86-64"],
    long_description=read_text_file("README.rst"),
    classifiers=[
        "Development Status :: 3 - Alpha",
        "Intended Audience :: Developers",
        "Intended Audience :: Science/Research",
        "License :: OSI Approved :: BSD License",
        "Operating System :: OS Independent",
        "Operating System :: Microsoft :: Windows",
        "Operating System :: POSIX :: Linux",
        "Operating System :: POSIX :: FreeBSD",
        "Operating System :: MacOS :: MacOS X",
        "Programming Language :: Assembly",
        "Programming Language :: Python",
        "Programming Language :: Python :: 2",
        "Programming Language :: Python :: 2.7",
        "Programming Language :: Python :: 3",
        "Programming Language :: Python :: 3.2",
        "Programming Language :: Python :: 3.3",
        "Programming Language :: Python :: 3.4",
        "Programming Language :: Python :: 3.5",
        "Programming Language :: Python :: Implementation :: CPython",
        "Programming Language :: Python :: Implementation :: PyPy",
        "Natural Language :: English",
        "Topic :: Scientific/Engineering",
        "Topic :: Software Development",
        "Topic :: Software Development :: Assemblers",
        "Topic :: Software Development :: Code Generators",
        "Topic :: Software Development :: Compilers",
        "Topic :: Software Development :: Libraries"
        ],
    setup_requires=["Opcodes>=0.3.13", "six"],
    install_requires=["six", 'enum34;python_version<"3.4"'],
    cmdclass={
        "build": BuildGenerateInstructions,
        "develop": DevelopGenerateInstructions,
        "generate": GenerateInstructions,
    })