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from __future__ import print_function
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
import distutils.sysconfig
unwrapped_customize = distutils.sysconfig.customize_compiler
clang = False
def filter_unsupported_flags(flags):
if clang:
return [f for f in flags if not (f == '-mcet' or
f.startswith('-fcf-protection'))]
return flags
def monkey_with_compiler(compiler):
unwrapped_customize(compiler)
if compiler.compiler_type == 'unix':
if compiler.compiler[0].find('clang') != -1:
global clang
clang = True
compiler.compiler = filter_unsupported_flags(compiler.compiler)
compiler.compiler_so = filter_unsupported_flags(
compiler.compiler_so)
# See what you made me do?
distutils.sysconfig.customize_compiler = monkey_with_compiler
import distutils.core
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 RGW 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 filter_unsupported_flags(subprocess.check_output(
[python_config, "--cflags"]).strip().decode('utf-8').split()):
if cflag.startswith('-I'):
cflags['I'].append(cflag.replace('-I', ''))
else:
cflags['extras'].append(cflag)
for ldflag in filter_unsupported_flags(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 rgw 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, 'rgw_dummy.c')
with open(tmp_file, 'w') as fp:
dummy_prog = textwrap.dedent("""
#include <stddef.h>
#include "rados/rgw_file.h"
int main(void) {
rgwfile_version(NULL, NULL, NULL);
return 0;
}
""")
fp.write(dummy_prog)
compiler = new_compiler()
distutils.sysconfig.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, 'rgw_dummy'),
libraries=['rgw', 'rados'],
output_dir=tmp_dir,
)
except CompileError:
print('\nCompile Error: RGW development headers not found', file=sys.stderr)
return False
except LinkError:
print('\nLink Error: RGW library not found', file=sys.stderr)
return False
else:
return True
finally:
shutil.rmtree(tmp_dir)
if 'BUILD_DOC' in os.environ.keys():
pass
elif check_sanity():
pass
else:
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('rgw.c'):
print('ERROR: Cannot find Cythonized file rgw.c', file=sys.stderr)
sys.exit(1)
else:
def cythonize(x, **kwargs):
return x
source = "rgw.c"
else:
source = "rgw.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')
)):
def cythonize(x, **kwargs):
return x
flags = get_python_flags()
setup(
name='rgw',
version=__version__,
description="Python bindings for the RGW library",
long_description=(
"This package contains Python bindings for interacting with the "
"RGW library. RGW is a Object Storage Gateway "
"that uses a Ceph Storage Cluster to store its data. The "
"Ceph Object Storage support S3 and Swift APIs, "
"and file operations."
),
url='https://github.com/ceph/ceph/tree/master/src/pybind/rgw',
license='LGPLv2+',
platforms='Linux',
ext_modules=cythonize(
[
Extension(
"rgw",
[source],
include_dirs=flags['cflags']['I'],
library_dirs=flags['ldflags']['L'],
libraries=['rados', 'rgw'] + 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")
]
),
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,
)
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