-# Largely taken from
-# https://blog.kevin-brown.com/programming/2014/09/24/combining-autotools-and-setuptools.html
-import os, sys, os.path
+from __future__ import print_function
-from setuptools.command.egg_info import egg_info
-from distutils.core import setup
-from distutils.extension import Extension
-from Cython.Build import cythonize
-from Cython.Distutils import build_ext
+import os
+import pkgutil
+import shutil
+import subprocess
+import sys
+import tempfile
+import textwrap
+from distutils.ccompiler import new_compiler
+from distutils.errors import CompileError, LinkError
+from distutils.sysconfig import customize_compiler
-def get_version():
- try:
- for line in open(os.path.join(os.path.dirname(__file__), "..", "ceph_ver.h")):
- if "CEPH_GIT_NICE_VER" in line:
- return line.split()[2][1:-1]
+if not pkgutil.find_loader('setuptools'):
+ from distutils.core import setup
+ from distutils.extension import Extension
+else:
+ from setuptools import setup
+ from setuptools.extension import Extension
+
+# PEP 440 versioning of the RBD package on PyPI
+# Bump this version, after every changeset
+
+__version__ = '2.0.0'
+
+
+def get_python_flags():
+ cflags = {'I': [], 'extras': []}
+ ldflags = {'l': [], 'L': [], 'extras': []}
+
+ if os.environ.get('VIRTUAL_ENV', None):
+ python = "python"
+ else:
+ python = 'python' + str(sys.version_info.major) + '.' + str(sys.version_info.minor)
+
+ python_config = python + '-config'
+
+ for cflag in subprocess.check_output(
+ [python_config, "--cflags"]
+ ).strip().decode('utf-8').split():
+ if cflag.startswith('-I'):
+ cflags['I'].append(cflag.replace('-I', ''))
else:
- return "0"
- except IOError:
- return "0"
-
-class EggInfoCommand(egg_info):
- def finalize_options(self):
- egg_info.finalize_options(self)
- if "build" in self.distribution.command_obj:
- build_command = self.distribution.command_obj["build"]
- self.egg_base = build_command.build_base
- self.egg_info = os.path.join(self.egg_base, os.path.basename(self.egg_info))
+ cflags['extras'].append(cflag)
+
+ for ldflag in subprocess.check_output(
+ [python_config, "--ldflags"]
+ ).strip().decode('utf-8').split():
+ if ldflag.startswith('-l'):
+ ldflags['l'].append(ldflag.replace('-l', ''))
+ if ldflag.startswith('-L'):
+ ldflags['L'].append(ldflag.replace('-L', ''))
+ else:
+ ldflags['extras'].append(ldflag)
+
+ return {
+ 'cflags': cflags,
+ 'ldflags': ldflags
+ }
+
+
+def check_sanity():
+ """
+ Test if development headers and library for rbd is available by compiling a dummy C program.
+ """
+ CEPH_SRC_DIR = os.path.join(
+ os.path.dirname(os.path.abspath(__file__)),
+ '..',
+ '..'
+ )
+
+ tmp_dir = tempfile.mkdtemp(dir=os.environ.get('TMPDIR', os.path.dirname(__file__)))
+ tmp_file = os.path.join(tmp_dir, 'rbd_dummy.c')
+
+ with open(tmp_file, 'w') as fp:
+ dummy_prog = textwrap.dedent("""
+ #include <stddef.h>
+ #include <rbd/librbd.h>
+ int main(void) {
+ rados_t cluster;
+ rados_create(&cluster, NULL);
+ return 0;
+ }
+ """)
+ fp.write(dummy_prog)
+
+ compiler = new_compiler()
+ customize_compiler(compiler)
+
+ if {'MAKEFLAGS', 'MFLAGS', 'MAKELEVEL'}.issubset(set(os.environ.keys())):
+ # The setup.py has been invoked by a top-level Ceph make.
+ # Set the appropriate CFLAGS and LDFLAGS
+
+ compiler.set_include_dirs([os.path.join(CEPH_SRC_DIR, 'include')])
+ compiler.set_library_dirs([os.environ.get('CEPH_LIBDIR')])
+
+ try:
+ compiler.define_macro('_FILE_OFFSET_BITS', '64')
+
+ link_objects = compiler.compile(
+ sources=[tmp_file],
+ output_dir=tmp_dir
+ )
+
+ compiler.link_executable(
+ objects=link_objects,
+ output_progname=os.path.join(tmp_dir, 'rbd_dummy'),
+ libraries=['rbd', 'rados'],
+ output_dir=tmp_dir,
+ )
+
+ except CompileError:
+ print('\nCompile Error: RBD development headers not found', file=sys.stderr)
+ return False
+ except LinkError:
+ print('\nLink Error: RBD library not found', file=sys.stderr)
+ return False
+ else:
+ return True
+ finally:
+ shutil.rmtree(tmp_dir)
+
+
+if not check_sanity():
+ sys.exit(1)
+
+cmdclass = {}
+try:
+ from Cython.Build import cythonize
+ from Cython.Distutils import build_ext
+
+ cmdclass = {'build_ext': build_ext}
+except ImportError:
+ print("WARNING: Cython is not installed.")
+
+ if not os.path.isfile('rbd.c'):
+ print('ERROR: Cannot find Cythonized file rbd.c', file=sys.stderr)
+ sys.exit(1)
+ else:
+ def cythonize(x, **kwargs):
+ return x
+
+ source = "rbd.c"
+else:
+ source = "rbd.pyx"
# Disable cythonification if we're not really building anything
if (len(sys.argv) >= 2 and
- any(i in sys.argv[1:] for i in ('--help', 'clean', 'egg_info', '--version')
- )):
+ any(i in sys.argv[1:] for i in ('--help', 'clean', 'egg_info', '--version')
+ )):
def cythonize(x, **kwargs):
return x
+flags = get_python_flags()
+
setup(
- name = 'rbd',
- version = get_version(),
- description = "Python libraries for the Ceph librbd library",
- long_description = (
- "This package contains Python libraries for interacting with Ceph's "
- "RBD block device library."),
- ext_modules = cythonize([
- Extension("rbd",
- ["rbd.pyx"],
- libraries=["rbd"],
+ name='rbd',
+ version=__version__,
+ description="Python bindings for the RBD library",
+ long_description=(
+ "This package contains Python bindings for interacting with the "
+ "RADOS Block Device (RBD) library. rbd is a utility for manipulating "
+ "rados block device images, used by the Linux rbd driver and the rbd "
+ "storage driver for QEMU/KVM. RBD images are simple block devices that "
+ "are striped over objects and stored in a RADOS object store. The size "
+ "of the objects the image is striped over must be a power of two."
+ ),
+ url='https://github.com/ceph/ceph/tree/master/src/pybind/rbd',
+ license='LGPLv2+',
+ platforms='Linux',
+ ext_modules=cythonize(
+ [
+ Extension(
+ "rbd",
+ [source],
+ include_dirs=flags['cflags']['I'],
+ library_dirs=flags['ldflags']['L'],
+ libraries=['rbd', 'rados'] + flags['ldflags']['l'],
+ extra_compile_args=flags['cflags']['extras'] + flags['ldflags']['extras'],
)
- ], build_dir=os.environ.get("CYTHON_BUILD_DIR", None), include_path=[
- os.path.join(os.path.dirname(__file__), "..", "rados")]
+ ],
+ build_dir=os.environ.get("CYTHON_BUILD_DIR", None),
+ include_path=[
+ os.path.join(os.path.dirname(__file__), "..", "rados")
+ ]
),
- cmdclass={
- "egg_info": EggInfoCommand,
- "build_ext": build_ext,
- },
+ classifiers=[
+ 'Intended Audience :: Developers',
+ 'Intended Audience :: System Administrators',
+ 'License :: OSI Approved :: GNU Lesser General Public License v2 or later (LGPLv2+)',
+ 'Operating System :: POSIX :: Linux',
+ 'Programming Language :: Cython',
+ 'Programming Language :: Python :: 2.7',
+ 'Programming Language :: Python :: 3.4',
+ 'Programming Language :: Python :: 3.5'
+ ],
+ cmdclass=cmdclass,
)
projects / ceph.git / commitdiff