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Diffstat (limited to 'src/pybind/cephfs/setup.py')
| -rwxr-xr-x | src/pybind/cephfs/setup.py | 224 |
1 files changed, 224 insertions, 0 deletions
diff --git a/src/pybind/cephfs/setup.py b/src/pybind/cephfs/setup.py new file mode 100755 index 00000000..1f950055 --- /dev/null +++ b/src/pybind/cephfs/setup.py @@ -0,0 +1,224 @@ +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'))] + else: + 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) + +distutils.sysconfig.customize_compiler = monkey_with_compiler + +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 Ceph FS 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 cephfs 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, 'cephfs_dummy.c') + + with open(tmp_file, 'w') as fp: + dummy_prog = textwrap.dedent(""" + #include <stddef.h> + #include "cephfs/libcephfs.h" + + int main(void) { + struct ceph_mount_info *cmount = NULL; + ceph_init(cmount); + 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_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, + extra_preargs=['-iquote{path}'.format(path=os.path.join(CEPH_SRC_DIR, 'include'))] + ) + + compiler.link_executable( + objects=link_objects, + output_progname=os.path.join(tmp_dir, 'cephfs_dummy'), + libraries=['cephfs'], + output_dir=tmp_dir, + ) + + except CompileError: + print('\nCompile Error: Ceph FS development headers not found', file=sys.stderr) + return False + except LinkError: + print('\nLink Error: Ceph FS 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('cephfs.c'): + print('ERROR: Cannot find Cythonized file cephfs.c', file=sys.stderr) + sys.exit(1) + else: + def cythonize(x, **kwargs): + return x + + source = "cephfs.c" +else: + source = "cephfs.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='cephfs', + version=__version__, + description="Python bindings for the Ceph FS library", + long_description=( + "This package contains Python bindings for interacting with the " + "Ceph Filesystem (Ceph FS) library. Ceph FS is a POSIX-compliant " + "filesystem that uses a Ceph Storage Cluster to store its data. The " + "Ceph filesystem uses the same Ceph Storage Cluster system as " + "Ceph Block Devices, Ceph Object Storage with its S3 and Swift APIs, " + "or native bindings (librados)." + ), + url='https://github.com/ceph/ceph/tree/master/src/pybind/cephfs', + license='LGPLv2+', + platforms='Linux', + ext_modules=cythonize( + [ + Extension( + "cephfs", + [source], + include_dirs=flags['cflags']['I'], + library_dirs=flags['ldflags']['L'], + libraries=['cephfs'] + 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, +) |