269 lines
11 KiB
Python
269 lines
11 KiB
Python
#!/usr/bin/env python
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# Copyright (c) 2013-2015, Kevin Greenan (kmgreen2@gmail.com)
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# Copyright (c) 2013-2015, Tushar Gohad (tusharsg@gmail.com)
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# All rights reserved.
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#
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# Redistribution and use in source and binary forms, with or without
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# modification, are permitted provided that the following conditions are met:
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#
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# Redistributions of source code must retain the above copyright notice, this
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# list of conditions and the following disclaimer.
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#
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# Redistributions in binary form must reproduce the above copyright notice,
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# this list of conditions and the following disclaimer in the documentation
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# and/or other materials provided with the distribution. THIS SOFTWARE IS
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# PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY EXPRESS
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# OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
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# OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN
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# NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY
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# DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
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# (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
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# LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
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# ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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# (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
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# THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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import os
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import platform
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import re
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import subprocess
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import sys
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import ctypes
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from ctypes.util import find_library
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from distutils.command.build import build as _build
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from distutils.command.clean import clean as _clean
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from distutils.sysconfig import get_python_inc
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try:
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from setuptools import setup
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except ImportError:
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from distribute_setup import use_setuptools
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use_setuptools()
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from setuptools import setup
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from setuptools.command.install import install as _install
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from setuptools import Extension
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platform_str = platform.platform()
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default_python_incdir = get_python_inc()
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# this is to be used only for library existence/version checks,
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# not for rpath handling
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def _find_library(name):
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target_lib = find_library(name)
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if platform_str.find("Darwin") > -1:
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# If we didn't find it, try extending our search a bit
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if not target_lib:
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if 'DYLD_LIBRARY_PATH' in os.environ:
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os.environ['DYLD_LIBRARY_PATH'] += ':%s/lib' % sys.prefix
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else:
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os.environ['DYLD_LIBRARY_PATH'] = '%s/lib' % sys.prefix
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target_lib = find_library(name)
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# If we *still* don't find it, bail
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if not target_lib:
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return target_lib
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target_lib = os.path.abspath(target_lib)
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if os.path.islink(target_lib):
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p = os.readlink(target_lib)
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if os.path.isabs(p):
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target_lib = p
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else:
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target_lib = os.path.join(os.path.dirname(target_lib), p)
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elif not target_lib:
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# See https://bugs.python.org/issue9998
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expr = r'[^\(\)\s]*lib%s\.[^\(\)\s]*' % re.escape(name)
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cmd = ['ld', '-t']
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libpath = os.environ.get('LD_LIBRARY_PATH')
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if libpath:
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for d in libpath.split(':'):
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cmd.extend(['-L', d])
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cmd.extend(['-o', os.devnull, '-l%s' % name])
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try:
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p = subprocess.Popen(cmd, stdout=subprocess.PIPE,
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stderr=subprocess.PIPE,
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universal_newlines=True)
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out, _ = p.communicate()
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if hasattr(os, 'fsdecode'):
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out = os.fsdecode(out)
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res = re.search(expr, out)
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if res:
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target_lib = res.group(0)
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except Exception:
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pass # result will be None
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# return absolute path to the library if found
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return target_lib
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class build(_build):
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def check_liberasure(self):
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library_basename = "liberasurecode"
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library_version = "1"
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library_url = "https://opendev.org/openstack/liberasurecode"
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found_path = _find_library("erasurecode")
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if found_path:
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libec = ctypes.CDLL(found_path)
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try:
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packed_version = libec.liberasurecode_get_version()
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except AttributeError:
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# If we don't have the version getter, we're probably
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# pre-1.4.0; fall back to some heuristics based on name
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version_parts = [x for x in found_path.split('.')
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if x.isdigit()]
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if not version_parts:
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# A bare .so? Well, we haven't released a 2.x yet... but
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# if we ever do, hopefully it'd still provide a
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# liberasurecode_get_version()
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return
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if version_parts[0] == library_version:
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return
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# else, seems to be an unknown version -- assume it won't work
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else:
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version = (
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packed_version >> 16,
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(packed_version >> 8) & 0xff,
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packed_version & 0xff)
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if (1, 0, 0) <= version < (2, 0, 0):
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return
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if platform_str.find("Darwin") > -1:
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liberasure_file = \
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library_basename + "." + library_version + ".dylib"
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else:
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liberasure_file = \
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library_basename + ".so." + library_version
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print("**************************************************************")
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print("*** ")
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print("*** Can not locate %s" % (liberasure_file))
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print("*** ")
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print("*** Install - ")
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print("*** Manual: %s" % library_url)
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print("*** Fedora/Red Hat variants: liberasurecode-devel")
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print("*** Debian/Ubuntu variants: liberasurecode-dev")
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print("*** ")
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print("**************************************************************")
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sys.exit(-1)
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def run(self):
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self.check_liberasure()
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_build.run(self)
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class clean(_clean):
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def run(self):
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_clean.run(self)
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class install(_install):
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def run(self):
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install_cmd = self.distribution.get_command_obj('install')
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install_lib = self.distribution.get_command_obj('install_lib')
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for cmd in (install_lib, install_cmd):
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cmd.ensure_finalized()
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# ensure that the paths are absolute so we don't get lost
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opts = {'exec_prefix': install_cmd.exec_prefix,
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'root': install_cmd.root}
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for optname, value in list(opts.items()):
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if value is not None:
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opts[optname] = os.path.abspath(value)
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installroot = install_lib.install_dir
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_install.run(self)
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# Another Mac-ism... If the libraries are installed
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# in a strange place, DYLD_LIRBARY_PATH needs to be
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# updated.
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if platform_str.find("Darwin") > -1:
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ldpath_str = "DYLD_LIBRARY_PATH"
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else:
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ldpath_str = "LD_LIBRARY_PATH"
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print("***************************************************")
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print("** ")
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print("** PyECLib libraries have been installed to: ")
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print("** %s" % installroot)
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print("** ")
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print("** Any user using this library must update: ")
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print("** %s" % ldpath_str)
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print("** ")
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print("** Run 'ldconfig' or place this line: ")
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print("** export %s=%s" % (ldpath_str, "%s"
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% installroot))
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print("** ")
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print("** into .bashrc, .profile, or the appropriate shell")
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print("** start-up script! Also look at ldconfig(8) man ")
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print("** page for a more static LD configuration ")
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print("** ")
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print("***************************************************")
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module = Extension('pyeclib_c',
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py_limited_api=True,
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define_macros=[('MAJOR VERSION', '1'),
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('MINOR VERSION', '6')],
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include_dirs=[default_python_incdir,
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'src/c/pyeclib_c',
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'/usr/include',
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'/usr/include/liberasurecode',
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'%s/include/liberasurecode' % sys.prefix,
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'%s/include' % sys.prefix],
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libraries=['erasurecode'],
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library_dirs=['%s/lib' % sys.prefix],
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runtime_library_dirs=['%s/lib' % sys.prefix],
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# The extra arguments are for debugging
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# extra_compile_args=['-g', '-O0'],
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sources=['src/c/pyeclib_c/pyeclib_c.c'])
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setup(name='pyeclib',
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version='1.6.1',
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author='Kevin Greenan',
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author_email='kmgreen2@gmail.com',
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maintainer='Kevin Greenan and Tushar Gohad',
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maintainer_email='kmgreen2@gmail.com, tusharsg@gmail.com',
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url='https://opendev.org/openstack/pyeclib',
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project_urls={
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'Bug Tracker': 'https://bugs.launchpad.net/pyeclib',
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},
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description=('This library provides a simple Python interface for '
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'implementing erasure codes. To obtain the best possible '
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'performance, the underlying erasure code algorithms are '
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'written in C.'),
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classifiers=[
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"Development Status :: 5 - Production/Stable",
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"Programming Language :: Python :: 2",
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"Programming Language :: Python :: 2.7",
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"Programming Language :: Python :: 3",
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"Programming Language :: Python :: 3.5",
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"Programming Language :: Python :: 3.6",
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"Programming Language :: Python :: 3.7",
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"Programming Language :: Python :: 3.8",
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"Programming Language :: Python :: 3.9",
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"Programming Language :: Python :: 3.10",
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"Intended Audience :: Developers",
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"License :: OSI Approved :: BSD License",
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],
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long_description=open('README.rst', 'r').read(),
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long_description_content_type='text/x-rst',
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platforms='Linux',
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license='BSD',
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ext_modules=[module],
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packages=['pyeclib'],
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package_dir={'pyeclib': 'pyeclib'},
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cmdclass={'build': build, 'install': install, 'clean': clean},
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py_modules=['pyeclib.ec_iface', 'pyeclib.core'],
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command_options={
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'build_sphinx': {
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'build_dir': ('setup.py', 'doc/build')}},
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test_suite='test')
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