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#!/usr/bin/env python3
'''
setup.py
Installation script for Python-LLFUSE.
Copyright (c) 2010 Nikolaus Rath <Nikolaus.org>
This file is part of Python-LLFUSE. This work may be distributed under
the terms of the GNU LGPL.
'''
import sys
import os
import subprocess
import warnings
import re
# Disable Cython support in setuptools. It fails under some conditions
# (http://trac.cython.org/ticket/859), and we have our own build_cython command
# anyway.
try:
import Cython.Distutils.build_ext
except ImportError:
pass
else:
# We can't delete Cython.Distutils.build_ext directly,
# because the build_ext class (that is imported from
# the build_ext module in __init__.py) shadows the
# build_ext module.
module = sys.modules['Cython.Distutils.build_ext']
del module.build_ext
import setuptools
from setuptools import Extension
basedir = os.path.abspath(os.path.dirname(__file__))
sys.path.insert(0, os.path.join(basedir, 'util'))
# when running with DEVELOPER_MODE=1 in the environment:
# enable all warnings, abort on some warnings.
DEVELOPER_MODE = os.getenv('DEVELOPER_MODE', '0') == '1'
if DEVELOPER_MODE:
print('running in developer mode')
warnings.resetwarnings()
warnings.simplefilter('default')
LLFUSE_VERSION = '1.5.0'
def main():
with open(os.path.join(basedir, 'README.rst')) as fh:
long_desc = fh.read()
compile_args = pkg_config('fuse', cflags=True, ldflags=False, min_ver='2.8.0')
compile_args += ['-DFUSE_USE_VERSION=29', '-Wall', '-Wextra', '-Wconversion',
'-Wsign-compare', '-DLLFUSE_VERSION="%s"' % LLFUSE_VERSION]
# We may have unused functions if we compile for older FUSE versions
compile_args.append('-Wno-unused-function')
# Nothing wrong with that if you know what you are doing
# (which Cython does)
compile_args.append('-Wno-implicit-fallthrough')
# Due to platform specific conditions, these are unavoidable
compile_args.append('-Wno-unused-parameter')
# Enable all fatal warnings only when compiling from Mercurial tip.
# (otherwise we break forward compatibility because compilation with newer
# compiler may fail if additional warnings are added)
if DEVELOPER_MODE:
compile_args.append('-Werror')
compile_args.append('-Wfatal-errors')
# Unreachable code is expected because we need to support multiple
# platforms and architectures.
compile_args.append('-Wno-error=unreachable-code')
# Value-changing conversions should always be explicit.
compile_args.append('-Werror=conversion')
# Note that (i > -1) is false if i is unsigned (-1 will be converted to
# a large positive value). We certainly don't want to do this by
# accident.
compile_args.append('-Werror=sign-compare')
link_args = pkg_config('fuse', cflags=False, ldflags=True, min_ver='2.8.0')
link_args.append('-lpthread')
c_sources = ['src/llfuse.c', 'src/lock.c']
if os.uname()[0] in ('Linux', 'GNU/kFreeBSD'):
link_args.append('-lrt')
elif os.uname()[0] == 'Darwin':
c_sources.append('src/darwin_compat.c')
setuptools.setup(
name='llfuse',
zip_safe=True,
version=LLFUSE_VERSION,
description='Python bindings for the low-level FUSE API',
long_description=long_desc,
author='Nikolaus Rath',
author_email='Nikolaus@rath.org',
url='https://github.com/python-llfuse/python-llfuse/',
license='LGPL',
classifiers=['Development Status :: 4 - Beta',
'Intended Audience :: Developers',
'Programming Language :: Python',
'Programming Language :: Python :: 3',
'Programming Language :: Python :: 3.8',
'Programming Language :: Python :: 3.9',
'Programming Language :: Python :: 3.10',
'Programming Language :: Python :: 3.11',
'Programming Language :: Python :: 3.12',
'Topic :: Software Development :: Libraries :: Python Modules',
'Topic :: System :: Filesystems',
'License :: OSI Approved :: GNU Library or Lesser General Public License (LGPL)',
'Operating System :: POSIX :: Linux',
'Operating System :: MacOS :: MacOS X',
'Operating System :: POSIX :: BSD :: FreeBSD'],
platforms=[ 'Linux', 'FreeBSD', 'OS X' ],
keywords=['FUSE', 'python' ],
package_dir={'': 'src'},
packages=setuptools.find_packages('src'),
python_requires='>=3.8',
tests_require=['pytest >= 3.4.0'],
provides=['llfuse'],
ext_modules=[Extension('llfuse', c_sources,
extra_compile_args=compile_args,
extra_link_args=link_args)],
cmdclass={'build_cython': build_cython},
)
def pkg_config(pkg, cflags=True, ldflags=False, min_ver=None):
'''Frontend to ``pkg-config``'''
if min_ver:
cmd = ['pkg-config', pkg, '--atleast-version', min_ver ]
if subprocess.call(cmd) != 0:
cmd = ['pkg-config', '--modversion', pkg ]
proc = subprocess.Popen(cmd, stdout=subprocess.PIPE)
version = proc.communicate()[0].strip()
if not version:
raise SystemExit(2) # pkg-config generates error message already
else:
raise SystemExit('%s version too old (found: %s, required: %s)'
% (pkg, version, min_ver))
cmd = ['pkg-config', pkg ]
if cflags:
cmd.append('--cflags')
if ldflags:
cmd.append('--libs')
proc = subprocess.Popen(cmd, stdout=subprocess.PIPE)
cflags = proc.stdout.readline().rstrip()
proc.stdout.close()
if proc.wait() != 0:
raise SystemExit(2) # pkg-config generates error message already
return cflags.decode('us-ascii').split()
class build_cython(setuptools.Command):
user_options = []
boolean_options = []
description = "Compile .pyx to .c"
def initialize_options(self):
pass
def finalize_options(self):
self.extensions = self.distribution.ext_modules
def run(self):
try:
version = subprocess.check_output(['cython3', '--version'],
universal_newlines=True,
stderr=subprocess.STDOUT)
except OSError:
raise SystemExit('Cython needs to be installed for this command')
print(f"Using {version.strip()}.")
cmd = ['cython3', '-Wextra', '--force', '-3', '--fast-fail',
'--directive', 'embedsignature=True', '--include-dir',
os.path.join(basedir, 'Include'), '--verbose' ]
if DEVELOPER_MODE:
cmd.append('-Werror')
# Work around http://trac.cython.org/cython_trac/ticket/714
cmd += ['-X', 'warn.maybe_uninitialized=False' ]
for extension in self.extensions:
for file_ in extension.sources:
(file_, ext) = os.path.splitext(file_)
path = os.path.join(basedir, file_)
if ext != '.c':
continue
if os.path.exists(path + '.pyx'):
if subprocess.call(cmd + [path + '.pyx']) != 0:
raise SystemExit('Cython compilation failed')
if __name__ == '__main__':
main()
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