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-rwxr-xr-xsrc/pybind/cephfs/setup.py217
1 files changed, 217 insertions, 0 deletions
diff --git a/src/pybind/cephfs/setup.py b/src/pybind/cephfs/setup.py
new file mode 100755
index 000000000..c3d40df05
--- /dev/null
+++ b/src/pybind/cephfs/setup.py
@@ -0,0 +1,217 @@
+from __future__ import print_function
+
+import os
+import pkgutil
+import shutil
+import subprocess
+import sys
+import tempfile
+import textwrap
+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
+from distutils.ccompiler import new_compiler
+from distutils.errors import CompileError, LinkError
+from itertools import filterfalse, takewhile
+import distutils.sysconfig
+
+
+def filter_unsupported_flags(compiler, flags):
+ args = takewhile(lambda argv: not argv.startswith('-'), [compiler] + flags)
+ if any('clang' in arg for arg in args):
+ return list(filterfalse(lambda f:
+ f in ('-mcet',
+ '-fstack-clash-protection',
+ '-fno-var-tracking-assignments',
+ '-Wno-deprecated-register',
+ '-Wno-gnu-designator') or
+ f.startswith('-fcf-protection'),
+ flags))
+ else:
+ return flags
+
+
+def monkey_with_compiler(customize):
+ def patched(compiler):
+ customize(compiler)
+ if compiler.compiler_type != 'unix':
+ return
+ compiler.compiler[1:] = \
+ filter_unsupported_flags(compiler.compiler[0],
+ compiler.compiler[1:])
+ compiler.compiler_so[1:] = \
+ filter_unsupported_flags(compiler.compiler_so[0],
+ compiler.compiler_so[1:])
+ return patched
+
+
+distutils.sysconfig.customize_compiler = \
+ monkey_with_compiler(distutils.sysconfig.customize_compiler)
+
+# PEP 440 versioning of the Ceph FS package on PyPI
+# Bump this version, after every changeset
+
+__version__ = '2.0.0'
+
+
+def get_python_flags(libs):
+ py_libs = sum((libs.split() for libs in
+ distutils.sysconfig.get_config_vars('LIBS', 'SYSLIBS')), [])
+ ldflags = list(filterfalse(lambda lib: lib.startswith('-l'), py_libs))
+ py_libs = [lib.replace('-l', '') for lib in
+ filter(lambda lib: lib.startswith('-l'), py_libs)]
+ compiler = new_compiler()
+ distutils.sysconfig.customize_compiler(compiler)
+ return dict(
+ include_dirs=[distutils.sysconfig.get_python_inc()],
+ library_dirs=distutils.sysconfig.get_config_vars('LIBDIR', 'LIBPL'),
+ libraries=libs + py_libs,
+ extra_compile_args=filter_unsupported_flags(
+ compiler.compiler[0],
+ compiler.compiler[1:] + distutils.sysconfig.get_config_var('CFLAGS').split()),
+ extra_link_args=(distutils.sysconfig.get_config_var('LDFLAGS').split() +
+ 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 'CEPH_LIBDIR' in os.environ:
+ # 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 or 'READTHEDOCS' in os.environ:
+ ext_args = {}
+ cython_constants = dict(BUILD_DOC=True)
+ cythonize_args = dict(compile_time_env=cython_constants)
+elif check_sanity():
+ ext_args = get_python_flags(['cephfs'])
+ cython_constants = dict(BUILD_DOC=False)
+ include_path = [os.path.join(os.path.dirname(__file__), "..", "rados")]
+ cythonize_args = dict(compile_time_env=cython_constants,
+ include_path=include_path)
+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
+
+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],
+ **ext_args
+ )
+ ],
+ compiler_directives={'language_level': sys.version_info.major},
+ build_dir=os.environ.get("CYTHON_BUILD_DIR", None),
+ **cythonize_args
+ ),
+ 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 :: 3',
+ ],
+ cmdclass=cmdclass,
+)